[INFO] cloning repository https://github.com/cLazyZombie/calc_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cLazyZombie/calc_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcLazyZombie%2Fcalc_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcLazyZombie%2Fcalc_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7a0f87cc768ad18ed01e04b2cdefa037d1d707b
[INFO] testing cLazyZombie/calc_rs 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%2FcLazyZombie%2Fcalc_rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cLazyZombie/calc_rs 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/cLazyZombie/calc_rs
[INFO] finished tweaking git repo https://github.com/cLazyZombie/calc_rs
[INFO] tweaked toml for git repo https://github.com/cLazyZombie/calc_rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/cLazyZombie/calc_rs 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 96b6aa1bcefd3ecf898bc6dd35b5f4354661416a4b31addf5b39ad5bd501ed4e
[INFO] running `Command { std: "docker" "start" "-a" "96b6aa1bcefd3ecf898bc6dd35b5f4354661416a4b31addf5b39ad5bd501ed4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96b6aa1bcefd3ecf898bc6dd35b5f4354661416a4b31addf5b39ad5bd501ed4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b6aa1bcefd3ecf898bc6dd35b5f4354661416a4b31addf5b39ad5bd501ed4e", kill_on_drop: false }`
[INFO] [stdout] 96b6aa1bcefd3ecf898bc6dd35b5f4354661416a4b31addf5b39ad5bd501ed4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0bd79e7c58c77a3d494e97cbd59429ec37eacaa77a1343503ed4ae366234a7b2
[INFO] running `Command { std: "docker" "start" "-a" "0bd79e7c58c77a3d494e97cbd59429ec37eacaa77a1343503ed4ae366234a7b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling calc_2020_07_25 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `tokens_to_string`
[INFO] [stdout]    --> src/calculator.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn tokens_to_string(tokens :&[Token]) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_str`
[INFO] [stdout]    --> src/calculator.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn to_str(&self) -> &'static str {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "0bd79e7c58c77a3d494e97cbd59429ec37eacaa77a1343503ed4ae366234a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd79e7c58c77a3d494e97cbd59429ec37eacaa77a1343503ed4ae366234a7b2", kill_on_drop: false }`
[INFO] [stdout] 0bd79e7c58c77a3d494e97cbd59429ec37eacaa77a1343503ed4ae366234a7b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7a19b9935534cc96bbd9405abbc854cdfee5ffdc833ae70b18113ff570890b2b
[INFO] running `Command { std: "docker" "start" "-a" "7a19b9935534cc96bbd9405abbc854cdfee5ffdc833ae70b18113ff570890b2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling calc_2020_07_25 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "7a19b9935534cc96bbd9405abbc854cdfee5ffdc833ae70b18113ff570890b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a19b9935534cc96bbd9405abbc854cdfee5ffdc833ae70b18113ff570890b2b", kill_on_drop: false }`
[INFO] [stdout] 7a19b9935534cc96bbd9405abbc854cdfee5ffdc833ae70b18113ff570890b2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 101cb6693d29f5a77e318af3a50d4710efe47de2fcb52b2d7fcb4e1fb952cbb4
[INFO] running `Command { std: "docker" "start" "-a" "101cb6693d29f5a77e318af3a50d4710efe47de2fcb52b2d7fcb4e1fb952cbb4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calc_2020_07_25-5c9ca574d86e2e50)
[INFO] [stdout] running 10 tests
[INFO] [stdout] test calculator::tests::single_argument ... ok
[INFO] [stdout] test calculator::tests::infix_to_postfix_with_parenthesis ... ok
[INFO] [stdout] test calculator::tests::infix_to_postfix_test1 ... ok
[INFO] [stdout] test calculator::tests::add_two ... ok
[INFO] [stdout] test calculator::tests::tokenize_add ... ok
[INFO] [stdout] test calculator::tests::calc_with_parenthesis ... ok
[INFO] [stdout] test calculator::tests::infix_to_postfix_test2 ... ok
[INFO] [stdout] test calculator::tests::tokenize_without_spaces ... ok
[INFO] [stdout] test calculator::tests::minus_two ... ok
[INFO] [stdout] test calculator::tests::tokenize_number_and_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "101cb6693d29f5a77e318af3a50d4710efe47de2fcb52b2d7fcb4e1fb952cbb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101cb6693d29f5a77e318af3a50d4710efe47de2fcb52b2d7fcb4e1fb952cbb4", kill_on_drop: false }`
[INFO] [stdout] 101cb6693d29f5a77e318af3a50d4710efe47de2fcb52b2d7fcb4e1fb952cbb4