[INFO] cloning repository https://github.com/yupferris/butterball
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yupferris/butterball" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyupferris%2Fbutterball", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyupferris%2Fbutterball'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3d5876a03fe4a9a8db1f732060646ba9db9c281
[INFO] testing yupferris/butterball against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyupferris%2Fbutterball" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yupferris/butterball on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yupferris/butterball
[INFO] finished tweaking git repo https://github.com/yupferris/butterball
[INFO] tweaked toml for git repo https://github.com/yupferris/butterball written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yupferris/butterball already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11-dl v2.2.1
[INFO] [stderr]   Downloaded nom v1.1.0
[INFO] [stderr]   Downloaded libc v0.2.5
[INFO] [stderr]   Downloaded minifb v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8197ccd740b5f09971284072780e7913495f8a0ac3ede4bed5cda7bb3f6b3e6
[INFO] running `Command { std: "docker" "start" "-a" "a8197ccd740b5f09971284072780e7913495f8a0ac3ede4bed5cda7bb3f6b3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8197ccd740b5f09971284072780e7913495f8a0ac3ede4bed5cda7bb3f6b3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8197ccd740b5f09971284072780e7913495f8a0ac3ede4bed5cda7bb3f6b3e6", kill_on_drop: false }`
[INFO] [stdout] a8197ccd740b5f09971284072780e7913495f8a0ac3ede4bed5cda7bb3f6b3e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07415df58a03e59bf1d303c41eeffc1024d6b6c615654371b862ae1f4eb57122
[INFO] running `Command { std: "docker" "start" "-a" "07415df58a03e59bf1d303c41eeffc1024d6b6c615654371b862ae1f4eb57122", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.5
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]    Compiling winapi v0.2.5
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling nom v1.1.0
[INFO] [stdout] error: failed to write /tmp/rustcgIgbrd/lib.rmeta: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaKSmSOr"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `winapi-build` (lib)
[INFO] [stderr] error: could not compile `gcc` (lib) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta6hzQZo"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetagLpwIC"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nom` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "07415df58a03e59bf1d303c41eeffc1024d6b6c615654371b862ae1f4eb57122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07415df58a03e59bf1d303c41eeffc1024d6b6c615654371b862ae1f4eb57122", kill_on_drop: false }`
[INFO] [stdout] 07415df58a03e59bf1d303c41eeffc1024d6b6c615654371b862ae1f4eb57122
[INFO] testing yupferris/butterball against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyupferris%2Fbutterball" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yupferris/butterball on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yupferris/butterball
[INFO] finished tweaking git repo https://github.com/yupferris/butterball
[INFO] tweaked toml for git repo https://github.com/yupferris/butterball written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yupferris/butterball already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceeaeab4b80bd26d206aa8febc087c2d5ec4b9ed08dc5ca31e2579d1fba70a51
[INFO] running `Command { std: "docker" "start" "-a" "ceeaeab4b80bd26d206aa8febc087c2d5ec4b9ed08dc5ca31e2579d1fba70a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceeaeab4b80bd26d206aa8febc087c2d5ec4b9ed08dc5ca31e2579d1fba70a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceeaeab4b80bd26d206aa8febc087c2d5ec4b9ed08dc5ca31e2579d1fba70a51", kill_on_drop: false }`
[INFO] [stdout] ceeaeab4b80bd26d206aa8febc087c2d5ec4b9ed08dc5ca31e2579d1fba70a51
[INFO] testing yupferris/butterball against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyupferris%2Fbutterball" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yupferris/butterball on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yupferris/butterball
[INFO] finished tweaking git repo https://github.com/yupferris/butterball
[INFO] tweaked toml for git repo https://github.com/yupferris/butterball written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yupferris/butterball already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2681f8e53c5d657b5e0a128e1dd675516ff9de68077af53f6b4b6da8e1e6ba9
[INFO] running `Command { std: "docker" "start" "-a" "f2681f8e53c5d657b5e0a128e1dd675516ff9de68077af53f6b4b6da8e1e6ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2681f8e53c5d657b5e0a128e1dd675516ff9de68077af53f6b4b6da8e1e6ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2681f8e53c5d657b5e0a128e1dd675516ff9de68077af53f6b4b6da8e1e6ba9", kill_on_drop: false }`
[INFO] [stdout] f2681f8e53c5d657b5e0a128e1dd675516ff9de68077af53f6b4b6da8e1e6ba9
[INFO] testing yupferris/butterball against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyupferris%2Fbutterball" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yupferris/butterball on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yupferris/butterball
[INFO] finished tweaking git repo https://github.com/yupferris/butterball
[INFO] tweaked toml for git repo https://github.com/yupferris/butterball written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yupferris/butterball already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 536d0897fb0aada478f89ea1abcdf2f2ff0a11e84a02f4f27efd2fb5e2957839
[INFO] running `Command { std: "docker" "start" "-a" "536d0897fb0aada478f89ea1abcdf2f2ff0a11e84a02f4f27efd2fb5e2957839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536d0897fb0aada478f89ea1abcdf2f2ff0a11e84a02f4f27efd2fb5e2957839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536d0897fb0aada478f89ea1abcdf2f2ff0a11e84a02f4f27efd2fb5e2957839", kill_on_drop: false }`
[INFO] [stdout] 536d0897fb0aada478f89ea1abcdf2f2ff0a11e84a02f4f27efd2fb5e2957839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df465dcfb527c5afee3b6a9356ca71799b88aebf7ea0249849953cceecb6ecbb
[INFO] running `Command { std: "docker" "start" "-a" "df465dcfb527c5afee3b6a9356ca71799b88aebf7ea0249849953cceecb6ecbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.5
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]    Compiling winapi v0.2.5
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling nom v1.1.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling dylib v0.0.1
[INFO] [stderr]    Compiling x11-dl v2.2.1
[INFO] [stderr]    Compiling minifb v0.3.1
[INFO] [stderr]    Compiling time v0.1.34
[INFO] [stderr]    Compiling butterball v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let file_name = try!(get_file_name());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let file = try!(read_file(&file_name));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let ast = try!(parser::parse(&file));
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     try!(file.read_to_string(&mut ret));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut file = try!(File::open(file_name));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/impls.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub function: Box<Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub function: Box<dyn Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/impls.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         function: Box<Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |         function: Box<dyn Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:60:45
[INFO] [stdout]    |
[INFO] [stdout] 60 |     read_file_impl(file_name).map_err(|x| x.description().to_string())
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/ast.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Include(String),
[INFO] [stdout]   |     ------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Include(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     TypeDecl(TypeDecl),
[INFO] [stdout]    |     -------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 |     TypeDecl(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `fields` are never read
[INFO] [stdout]   --> src/ast.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct TypeDecl {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 22 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 23 |     pub fields: Vec<Field>
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `type_specifier`, and `array_size` are never read
[INFO] [stdout]   --> src/ast.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Field {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 28 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 29 |     pub type_specifier: Option<TypeSpecifier>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     pub array_size: Option<i32>
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Custom(String)
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Custom(())
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_specifier` is never read
[INFO] [stdout]   --> src/ast.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct FunctionDecl {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 64 |     pub name: String,
[INFO] [stdout] 65 |     pub type_specifier: Option<TypeSpecifier>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionDecl` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_specifier` is never read
[INFO] [stdout]   --> src/ast.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct FunctionCallOrArrayElemRef {
[INFO] [stdout]    |            -------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub type_specifier: Option<TypeSpecifier>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionCallOrArrayElemRef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     Repeat(Repeat),
[INFO] [stdout]     |     ------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 146 |     Repeat(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     Select(Select),
[INFO] [stdout]     |     ------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 148 |     Select(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `body` is never read
[INFO] [stdout]    --> src/ast.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct Repeat {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 178 |     pub body: StatementList
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Repeat` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `arms` are never read
[INFO] [stdout]    --> src/ast.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 209 | pub struct Select {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 210 |     pub expr: Box<Expr>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 211 |     pub arms: Vec<CaseArm>
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Select` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `body` are never read
[INFO] [stdout]    --> src/ast.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct CaseArm {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 216 |     pub value: Box<Expr>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 217 |     pub body: StatementList
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CaseArm` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_const` is never read
[INFO] [stdout]   --> src/il.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct SingleVariable {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 38 |     pub name: String,
[INFO] [stdout] 39 |     pub is_const: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SingleVariable` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `locals` is never read
[INFO] [stdout]   --> src/il.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Function {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 57 |     pub signature: FunctionSignature,
[INFO] [stdout] 58 |     pub locals: Vec<Variable>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/il.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct FunctionSignature {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 65 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionSignature` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value_type` is never read
[INFO] [stdout]   --> src/interpreter.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct SingleVariable {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 97 |     value: Value,
[INFO] [stdout] 98 |     value_type: ValueType
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SingleVariable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value_type` is never read
[INFO] [stdout]    --> src/interpreter.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Array {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 105 |     value_type: ValueType
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Array` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "df465dcfb527c5afee3b6a9356ca71799b88aebf7ea0249849953cceecb6ecbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df465dcfb527c5afee3b6a9356ca71799b88aebf7ea0249849953cceecb6ecbb", kill_on_drop: false }`
[INFO] [stdout] df465dcfb527c5afee3b6a9356ca71799b88aebf7ea0249849953cceecb6ecbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69c7d960e21b029247d6b3356c78fc84c720576b02eb6e9eda568a1dcedb7245
[INFO] running `Command { std: "docker" "start" "-a" "69c7d960e21b029247d6b3356c78fc84c720576b02eb6e9eda568a1dcedb7245", kill_on_drop: false }`
[INFO] [stderr]    Compiling butterball v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let file_name = try!(get_file_name());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let file = try!(read_file(&file_name));
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let ast = try!(parser::parse(&file));
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     try!(file.read_to_string(&mut ret));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let mut file = try!(File::open(file_name));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/impls.rs:17:23
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub function: Box<Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub function: Box<dyn Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/impls.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         function: Box<Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 |         function: Box<dyn Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:60:45
[INFO] [stdout]    |
[INFO] [stdout] 60 |     read_file_impl(file_name).map_err(|x| x.description().to_string())
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/ast.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Include(String),
[INFO] [stdout]   |     ------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Include(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     TypeDecl(TypeDecl),
[INFO] [stdout]    |     -------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 |     TypeDecl(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `fields` are never read
[INFO] [stdout]   --> src/ast.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct TypeDecl {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 22 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 23 |     pub fields: Vec<Field>
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TypeDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `type_specifier`, and `array_size` are never read
[INFO] [stdout]   --> src/ast.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Field {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 28 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 29 |     pub type_specifier: Option<TypeSpecifier>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     pub array_size: Option<i32>
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/ast.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Custom(String)
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Custom(())
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_specifier` is never read
[INFO] [stdout]   --> src/ast.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct FunctionDecl {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 64 |     pub name: String,
[INFO] [stdout] 65 |     pub type_specifier: Option<TypeSpecifier>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionDecl` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `type_specifier` is never read
[INFO] [stdout]   --> src/ast.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct FunctionCallOrArrayElemRef {
[INFO] [stdout]    |            -------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub type_specifier: Option<TypeSpecifier>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionCallOrArrayElemRef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     Repeat(Repeat),
[INFO] [stdout]     |     ------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 146 |     Repeat(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     Select(Select),
[INFO] [stdout]     |     ------ ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 148 |     Select(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `body` is never read
[INFO] [stdout]    --> src/ast.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub struct Repeat {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 178 |     pub body: StatementList
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Repeat` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expr` and `arms` are never read
[INFO] [stdout]    --> src/ast.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 209 | pub struct Select {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 210 |     pub expr: Box<Expr>,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 211 |     pub arms: Vec<CaseArm>
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Select` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `value` and `body` are never read
[INFO] [stdout]    --> src/ast.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub struct CaseArm {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 216 |     pub value: Box<Expr>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 217 |     pub body: StatementList
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CaseArm` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_const` is never read
[INFO] [stdout]   --> src/il.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct SingleVariable {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 38 |     pub name: String,
[INFO] [stdout] 39 |     pub is_const: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SingleVariable` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `locals` is never read
[INFO] [stdout]   --> src/il.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Function {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 57 |     pub signature: FunctionSignature,
[INFO] [stdout] 58 |     pub locals: Vec<Variable>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/il.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct FunctionSignature {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 65 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FunctionSignature` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value_type` is never read
[INFO] [stdout]   --> src/interpreter.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct SingleVariable {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 97 |     value: Value,
[INFO] [stdout] 98 |     value_type: ValueType
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SingleVariable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value_type` is never read
[INFO] [stdout]    --> src/interpreter.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Array {
[INFO] [stdout]     |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 105 |     value_type: ValueType
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Array` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "69c7d960e21b029247d6b3356c78fc84c720576b02eb6e9eda568a1dcedb7245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c7d960e21b029247d6b3356c78fc84c720576b02eb6e9eda568a1dcedb7245", kill_on_drop: false }`
[INFO] [stdout] 69c7d960e21b029247d6b3356c78fc84c720576b02eb6e9eda568a1dcedb7245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1260bf9da487b03bfb573c7ad373c1b149dabee4e70093a6d2d196d594c80f5c
[INFO] running `Command { std: "docker" "start" "-a" "1260bf9da487b03bfb573c7ad373c1b149dabee4e70093a6d2d196d594c80f5c", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let file_name = try!(get_file_name());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:32:16
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let file = try!(read_file(&file_name));
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:35:15
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let ast = try!(parser::parse(&file));
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     try!(file.read_to_string(&mut ret));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:64:20
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let mut file = try!(File::open(file_name));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/impls.rs:17:23
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub function: Box<Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub function: Box<dyn Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stderr]    |                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/impls.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |         function: Box<Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is an object-safe trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 24 |         function: Box<dyn Fn(&mut Context, &[Value]) -> Value>,
[INFO] [stderr]    |                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:60:45
[INFO] [stderr]    |
[INFO] [stderr] 60 |     read_file_impl(file_name).map_err(|x| x.description().to_string())
[INFO] [stderr]    |                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/ast.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Include(String),
[INFO] [stderr]   |     ------- ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Include(()),
[INFO] [stderr]   |             ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/ast.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |     TypeDecl(TypeDecl),
[INFO] [stderr]    |     -------- ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 10 |     TypeDecl(()),
[INFO] [stderr]    |              ~~
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `fields` are never read
[INFO] [stderr]   --> src/ast.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct TypeDecl {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 22 |     pub name: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 23 |     pub fields: Vec<Field>
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TypeDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name`, `type_specifier`, and `array_size` are never read
[INFO] [stderr]   --> src/ast.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct Field {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 28 |     pub name: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 29 |     pub type_specifier: Option<TypeSpecifier>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 30 |     pub array_size: Option<i32>
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Field` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/ast.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Custom(String)
[INFO] [stderr]    |     ------ ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Custom(())
[INFO] [stderr]    |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `type_specifier` is never read
[INFO] [stderr]   --> src/ast.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub struct FunctionDecl {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 64 |     pub name: String,
[INFO] [stderr] 65 |     pub type_specifier: Option<TypeSpecifier>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FunctionDecl` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `type_specifier` is never read
[INFO] [stderr]   --> src/ast.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub struct FunctionCallOrArrayElemRef {
[INFO] [stderr]    |            -------------------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 86 |     pub type_specifier: Option<TypeSpecifier>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FunctionCallOrArrayElemRef` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/ast.rs:146:12
[INFO] [stderr]     |
[INFO] [stderr] 146 |     Repeat(Repeat),
[INFO] [stderr]     |     ------ ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 146 |     Repeat(()),
[INFO] [stderr]     |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/ast.rs:148:12
[INFO] [stderr]     |
[INFO] [stderr] 148 |     Select(Select),
[INFO] [stderr]     |     ------ ^^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 148 |     Select(()),
[INFO] [stderr]     |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `body` is never read
[INFO] [stderr]    --> src/ast.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 177 | pub struct Repeat {
[INFO] [stderr]     |            ------ field in this struct
[INFO] [stderr] 178 |     pub body: StatementList
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Repeat` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `expr` and `arms` are never read
[INFO] [stderr]    --> src/ast.rs:210:9
[INFO] [stderr]     |
[INFO] [stderr] 209 | pub struct Select {
[INFO] [stderr]     |            ------ fields in this struct
[INFO] [stderr] 210 |     pub expr: Box<Expr>,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 211 |     pub arms: Vec<CaseArm>
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Select` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `value` and `body` are never read
[INFO] [stderr]    --> src/ast.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 215 | pub struct CaseArm {
[INFO] [stderr]     |            ------- fields in this struct
[INFO] [stderr] 216 |     pub value: Box<Expr>,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 217 |     pub body: StatementList
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CaseArm` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `is_const` is never read
[INFO] [stderr]   --> src/il.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct SingleVariable {
[INFO] [stderr]    |            -------------- field in this struct
[INFO] [stderr] 38 |     pub name: String,
[INFO] [stderr] 39 |     pub is_const: bool,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SingleVariable` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `locals` is never read
[INFO] [stderr]   --> src/il.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub struct Function {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] 57 |     pub signature: FunctionSignature,
[INFO] [stderr] 58 |     pub locals: Vec<Variable>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Function` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/il.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub struct FunctionSignature {
[INFO] [stderr]    |            ----------------- field in this struct
[INFO] [stderr] 65 |     pub name: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FunctionSignature` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `value_type` is never read
[INFO] [stderr]   --> src/interpreter.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 96 | struct SingleVariable {
[INFO] [stderr]    |        -------------- field in this struct
[INFO] [stderr] 97 |     value: Value,
[INFO] [stderr] 98 |     value_type: ValueType
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SingleVariable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `value_type` is never read
[INFO] [stderr]    --> src/interpreter.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 102 | struct Array {
[INFO] [stderr]     |        ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 105 |     value_type: ValueType
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Array` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `butterball` (bin "butterball" test) generated 25 warnings (run `cargo fix --bin "butterball" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/butterball-47b9748579749b1d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1260bf9da487b03bfb573c7ad373c1b149dabee4e70093a6d2d196d594c80f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1260bf9da487b03bfb573c7ad373c1b149dabee4e70093a6d2d196d594c80f5c", kill_on_drop: false }`
[INFO] [stdout] 1260bf9da487b03bfb573c7ad373c1b149dabee4e70093a6d2d196d594c80f5c
