[INFO] cloning repository https://github.com/spikegrobstein/super-tiny-compiler-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spikegrobstein/super-tiny-compiler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspikegrobstein%2Fsuper-tiny-compiler-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspikegrobstein%2Fsuper-tiny-compiler-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03011c16686786f91436b1dc18a749962535f8d4
[INFO] testing spikegrobstein/super-tiny-compiler-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspikegrobstein%2Fsuper-tiny-compiler-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spikegrobstein/super-tiny-compiler-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spikegrobstein/super-tiny-compiler-rs
[INFO] finished tweaking git repo https://github.com/spikegrobstein/super-tiny-compiler-rs
[INFO] tweaked toml for git repo https://github.com/spikegrobstein/super-tiny-compiler-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/spikegrobstein/super-tiny-compiler-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 7e944eadce0ae2c9ed949edfd913a0ac1f70bfbfbe456da833f67e27b631fa5b
[INFO] running `Command { std: "docker" "start" "-a" "7e944eadce0ae2c9ed949edfd913a0ac1f70bfbfbe456da833f67e27b631fa5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e944eadce0ae2c9ed949edfd913a0ac1f70bfbfbe456da833f67e27b631fa5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e944eadce0ae2c9ed949edfd913a0ac1f70bfbfbe456da833f67e27b631fa5b", kill_on_drop: false }`
[INFO] [stdout] 7e944eadce0ae2c9ed949edfd913a0ac1f70bfbfbe456da833f67e27b631fa5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] fd2fe7ab90a4861e484fb39c6bc65d4599123fa05466e76e7b6de1cc981d0b37
[INFO] running `Command { std: "docker" "start" "-a" "fd2fe7ab90a4861e484fb39c6bc65d4599123fa05466e76e7b6de1cc981d0b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/main.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     CallExpression { name: String, params: Vec<Ast> },
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `params`
[INFO] [stdout]   --> src/main.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     CallExpression { name: String, params: Vec<Ast> },
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "fd2fe7ab90a4861e484fb39c6bc65d4599123fa05466e76e7b6de1cc981d0b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2fe7ab90a4861e484fb39c6bc65d4599123fa05466e76e7b6de1cc981d0b37", kill_on_drop: false }`
[INFO] [stdout] fd2fe7ab90a4861e484fb39c6bc65d4599123fa05466e76e7b6de1cc981d0b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] 396e5cab2f25a3b2e93400b69614fdeebb5b1bfc1614f7bfdb3f56f1db2ad6b0
[INFO] running `Command { std: "docker" "start" "-a" "396e5cab2f25a3b2e93400b69614fdeebb5b1bfc1614f7bfdb3f56f1db2ad6b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/main.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     CallExpression { name: String, params: Vec<Ast> },
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `params`
[INFO] [stdout]   --> src/main.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     CallExpression { name: String, params: Vec<Ast> },
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tiny_compiler-2decbcce6c517a30)
[INFO] running `Command { std: "docker" "inspect" "396e5cab2f25a3b2e93400b69614fdeebb5b1bfc1614f7bfdb3f56f1db2ad6b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396e5cab2f25a3b2e93400b69614fdeebb5b1bfc1614f7bfdb3f56f1db2ad6b0", kill_on_drop: false }`
[INFO] [stdout] 396e5cab2f25a3b2e93400b69614fdeebb5b1bfc1614f7bfdb3f56f1db2ad6b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", 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] c09177794139dae643bcc6c25cb10d246665cc4c3680f67320c87ff74dd00490
[INFO] running `Command { std: "docker" "start" "-a" "c09177794139dae643bcc6c25cb10d246665cc4c3680f67320c87ff74dd00490", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/main.rs:25:22
[INFO] [stderr]    |
[INFO] [stderr] 25 |     CallExpression { name: String, params: Vec<Ast> },
[INFO] [stderr]    |                      ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `params`
[INFO] [stderr]   --> src/main.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 |     CallExpression { name: String, params: Vec<Ast> },
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Ast` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny-compiler` (bin "tiny-compiler" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tiny_compiler-2decbcce6c517a30)
[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" "c09177794139dae643bcc6c25cb10d246665cc4c3680f67320c87ff74dd00490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09177794139dae643bcc6c25cb10d246665cc4c3680f67320c87ff74dd00490", kill_on_drop: false }`
[INFO] [stdout] c09177794139dae643bcc6c25cb10d246665cc4c3680f67320c87ff74dd00490