[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7a0f87cc768ad18ed01e04b2cdefa037d1d707b
[INFO] testing cLazyZombie/calc_rs against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcLazyZombie%2Fcalc_rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cLazyZombie/calc_rs on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] ef4632066574be2a9eb57c2f607ab97c050e32cc4a3add8ef056bf160c84858a
[INFO] running `Command { std: "docker" "start" "-a" "ef4632066574be2a9eb57c2f607ab97c050e32cc4a3add8ef056bf160c84858a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef4632066574be2a9eb57c2f607ab97c050e32cc4a3add8ef056bf160c84858a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4632066574be2a9eb57c2f607ab97c050e32cc4a3add8ef056bf160c84858a", kill_on_drop: false }`
[INFO] [stdout] ef4632066574be2a9eb57c2f607ab97c050e32cc4a3add8ef056bf160c84858a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] f6614f1338585ce624b6430f0b7db9dd961473c866faca386b56a2087e9dd1f4
[INFO] running `Command { std: "docker" "start" "-a" "f6614f1338585ce624b6430f0b7db9dd961473c866faca386b56a2087e9dd1f4", 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 0.97s
[INFO] running `Command { std: "docker" "inspect" "f6614f1338585ce624b6430f0b7db9dd961473c866faca386b56a2087e9dd1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6614f1338585ce624b6430f0b7db9dd961473c866faca386b56a2087e9dd1f4", kill_on_drop: false }`
[INFO] [stdout] f6614f1338585ce624b6430f0b7db9dd961473c866faca386b56a2087e9dd1f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c10e5f6a499d70ec6ace5bad25f4182d6e0c25ea25eb3711b89d55d895a4c1da
[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" "c10e5f6a499d70ec6ace5bad25f4182d6e0c25ea25eb3711b89d55d895a4c1da", 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 1.21s
[INFO] running `Command { std: "docker" "inspect" "c10e5f6a499d70ec6ace5bad25f4182d6e0c25ea25eb3711b89d55d895a4c1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10e5f6a499d70ec6ace5bad25f4182d6e0c25ea25eb3711b89d55d895a4c1da", kill_on_drop: false }`
[INFO] [stdout] c10e5f6a499d70ec6ace5bad25f4182d6e0c25ea25eb3711b89d55d895a4c1da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73e9edcb97d948bb11824da56efc8f3545d6384c398e31530f9754f0d2bf5488
[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" "73e9edcb97d948bb11824da56efc8f3545d6384c398e31530f9754f0d2bf5488", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calc_2020_07_25-23fb15ca9aa75b35
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test calculator::tests::infix_to_postfix_test2 ... ok
[INFO] [stdout] test calculator::tests::infix_to_postfix_with_parenthesis ... ok
[INFO] [stdout] test calculator::tests::tokenize_number_and_add ... ok
[INFO] [stdout] test calculator::tests::tokenize_add ... ok
[INFO] [stdout] test calculator::tests::infix_to_postfix_test1 ... ok
[INFO] [stdout] test calculator::tests::single_argument ... ok
[INFO] [stdout] test calculator::tests::tokenize_without_spaces ... ok
[INFO] [stdout] test calculator::tests::minus_two ... ok
[INFO] [stdout] test calculator::tests::add_two ... ok
[INFO] [stdout] test calculator::tests::calc_with_parenthesis ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73e9edcb97d948bb11824da56efc8f3545d6384c398e31530f9754f0d2bf5488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e9edcb97d948bb11824da56efc8f3545d6384c398e31530f9754f0d2bf5488", kill_on_drop: false }`
[INFO] [stdout] 73e9edcb97d948bb11824da56efc8f3545d6384c398e31530f9754f0d2bf5488