[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] checking yupferris/butterball against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyupferris%2Fbutterball" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yupferris/butterball on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-7/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: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e4227f684fa704aa5a23e92d7ba791df6023bca7a5c46799ebf0e009fd41c40d [INFO] running `Command { std: "docker" "start" "-a" "e4227f684fa704aa5a23e92d7ba791df6023bca7a5c46799ebf0e009fd41c40d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4227f684fa704aa5a23e92d7ba791df6023bca7a5c46799ebf0e009fd41c40d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4227f684fa704aa5a23e92d7ba791df6023bca7a5c46799ebf0e009fd41c40d", kill_on_drop: false }` [INFO] [stdout] e4227f684fa704aa5a23e92d7ba791df6023bca7a5c46799ebf0e009fd41c40d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16d0f751402d331d68e83900511c047c0244af46ea8a2b0af0cd775c7f68a5f4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "16d0f751402d331d68e83900511c047c0244af46ea8a2b0af0cd775c7f68a5f4", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.5 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Checking nom v1.1.0 [INFO] [stderr] Compiling minifb v0.3.1 [INFO] [stderr] Checking dylib v0.0.1 [INFO] [stderr] Checking time v0.1.34 [INFO] [stderr] Checking x11-dl v2.2.1 [INFO] [stderr] Checking butterball v0.1.0 (/opt/rustwide/workdir) [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 Value>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Context, &[Value]) -> Value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [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 Value>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Context, &[Value]) -> Value` [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 [INFO] [stdout] [INFO] [stdout] [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 Value>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Context, &[Value]) -> Value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [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 Value>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Context, &[Value]) -> Value` [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 [INFO] [stdout] [INFO] [stdout] [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: use of deprecated associated function `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: use of deprecated associated function `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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.24s [INFO] running `Command { std: "docker" "inspect" "16d0f751402d331d68e83900511c047c0244af46ea8a2b0af0cd775c7f68a5f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16d0f751402d331d68e83900511c047c0244af46ea8a2b0af0cd775c7f68a5f4", kill_on_drop: false }` [INFO] [stdout] 16d0f751402d331d68e83900511c047c0244af46ea8a2b0af0cd775c7f68a5f4