[INFO] cloning repository https://github.com/shika-blyat/math-eval
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shika-blyat/math-eval" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fmath-eval", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fmath-eval'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23ecc7026169c7871733502cfb26320803df1fd4
[INFO] testing shika-blyat/math-eval against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fmath-eval" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shika-blyat/math-eval on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shika-blyat/math-eval
[INFO] finished tweaking git repo https://github.com/shika-blyat/math-eval
[INFO] tweaked toml for git repo https://github.com/shika-blyat/math-eval written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/shika-blyat/math-eval already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 558e87ab2c41755f1234c2c0e881a39e507b56f1c07d22a33d1f4dcca439cfe0
[INFO] running `Command { std: "docker" "start" "-a" "558e87ab2c41755f1234c2c0e881a39e507b56f1c07d22a33d1f4dcca439cfe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "558e87ab2c41755f1234c2c0e881a39e507b56f1c07d22a33d1f4dcca439cfe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558e87ab2c41755f1234c2c0e881a39e507b56f1c07d22a33d1f4dcca439cfe0", kill_on_drop: false }`
[INFO] [stdout] 558e87ab2c41755f1234c2c0e881a39e507b56f1c07d22a33d1f4dcca439cfe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc308d2bf247d583ce595df609646b1b38317cbb623b3716172c8ffc0e94a818
[INFO] running `Command { std: "docker" "start" "-a" "bc308d2bf247d583ce595df609646b1b38317cbb623b3716172c8ffc0e94a818", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling small-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `Op`
[INFO] [stdout]  --> src/evaluation/eval_math.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::parser::tok_ast::{Error, Expr, Lit, Op, OpKind};
[INFO] [stdout]   |                              ^^^^^             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "bc308d2bf247d583ce595df609646b1b38317cbb623b3716172c8ffc0e94a818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc308d2bf247d583ce595df609646b1b38317cbb623b3716172c8ffc0e94a818", kill_on_drop: false }`
[INFO] [stdout] bc308d2bf247d583ce595df609646b1b38317cbb623b3716172c8ffc0e94a818
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64efc9a7a7f7c9b07b6a5f3a6280fec6a923fb71c8ee7f76f87da727b696805a
[INFO] running `Command { std: "docker" "start" "-a" "64efc9a7a7f7c9b07b6a5f3a6280fec6a923fb71c8ee7f76f87da727b696805a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling small-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `Op`
[INFO] [stdout]  --> src/evaluation/eval_math.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::parser::tok_ast::{Error, Expr, Lit, Op, OpKind};
[INFO] [stdout]   |                              ^^^^^             ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64efc9a7a7f7c9b07b6a5f3a6280fec6a923fb71c8ee7f76f87da727b696805a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64efc9a7a7f7c9b07b6a5f3a6280fec6a923fb71c8ee7f76f87da727b696805a", kill_on_drop: false }`
[INFO] [stdout] 64efc9a7a7f7c9b07b6a5f3a6280fec6a923fb71c8ee7f76f87da727b696805a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58a8e732183f8bc6f823543044aa0d2047cb5b6b172193bfaaed1d3e3c2acf8c
[INFO] running `Command { std: "docker" "start" "-a" "58a8e732183f8bc6f823543044aa0d2047cb5b6b172193bfaaed1d3e3c2acf8c", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Error`, `Op`
[INFO] [stderr]  --> src/evaluation/eval_math.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::parser::tok_ast::{Error, Expr, Lit, Op, OpKind};
[INFO] [stderr]   |                              ^^^^^             ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `small-lang` (bin "small-lang" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/small_lang-09ba85635059b040)
[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" "58a8e732183f8bc6f823543044aa0d2047cb5b6b172193bfaaed1d3e3c2acf8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a8e732183f8bc6f823543044aa0d2047cb5b6b172193bfaaed1d3e3c2acf8c", kill_on_drop: false }`
[INFO] [stdout] 58a8e732183f8bc6f823543044aa0d2047cb5b6b172193bfaaed1d3e3c2acf8c