[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcLazyZombie%2Fcalc_rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cLazyZombie/calc_rs on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7125d0cabf62070f5e07e917765590d8d85b7724340e73c3f23f93a44a3534c6
[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" "7125d0cabf62070f5e07e917765590d8d85b7724340e73c3f23f93a44a3534c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7125d0cabf62070f5e07e917765590d8d85b7724340e73c3f23f93a44a3534c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7125d0cabf62070f5e07e917765590d8d85b7724340e73c3f23f93a44a3534c6", kill_on_drop: false }`
[INFO] [stdout] 7125d0cabf62070f5e07e917765590d8d85b7724340e73c3f23f93a44a3534c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8551fc9e02a0476260fe27284ec4d31982342550febc947affc48f5d8ded17cd
[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" "8551fc9e02a0476260fe27284ec4d31982342550febc947affc48f5d8ded17cd", 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 0.61s
[INFO] running `Command { std: "docker" "inspect" "8551fc9e02a0476260fe27284ec4d31982342550febc947affc48f5d8ded17cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8551fc9e02a0476260fe27284ec4d31982342550febc947affc48f5d8ded17cd", kill_on_drop: false }`
[INFO] [stdout] 8551fc9e02a0476260fe27284ec4d31982342550febc947affc48f5d8ded17cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 54bdc13a7b1a613a1e54bb1becb38a331f226a586a1bbf3d51a8a61ad2d61393
[INFO] running `Command { std: "docker" "start" "-a" "54bdc13a7b1a613a1e54bb1becb38a331f226a586a1bbf3d51a8a61ad2d61393", 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 0.73s
[INFO] running `Command { std: "docker" "inspect" "54bdc13a7b1a613a1e54bb1becb38a331f226a586a1bbf3d51a8a61ad2d61393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54bdc13a7b1a613a1e54bb1becb38a331f226a586a1bbf3d51a8a61ad2d61393", kill_on_drop: false }`
[INFO] [stdout] 54bdc13a7b1a613a1e54bb1becb38a331f226a586a1bbf3d51a8a61ad2d61393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9af43c22466cf658e41081a6312061e83eeb75299ebfc63e75e56188feafe6e6
[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" "9af43c22466cf658e41081a6312061e83eeb75299ebfc63e75e56188feafe6e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calc_2020_07_25-a2f5a2e958068f8d)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test calculator::tests::add_two ... ok
[INFO] [stdout] test calculator::tests::infix_to_postfix_test1 ... 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::infix_to_postfix_with_parenthesis ... ok
[INFO] [stdout] test calculator::tests::minus_two ... ok
[INFO] [stdout] test calculator::tests::single_argument ... ok
[INFO] [stdout] test calculator::tests::tokenize_add ... ok
[INFO] [stdout] test calculator::tests::tokenize_number_and_add ... ok
[INFO] [stdout] test calculator::tests::tokenize_without_spaces ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9af43c22466cf658e41081a6312061e83eeb75299ebfc63e75e56188feafe6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af43c22466cf658e41081a6312061e83eeb75299ebfc63e75e56188feafe6e6", kill_on_drop: false }`
[INFO] [stdout] 9af43c22466cf658e41081a6312061e83eeb75299ebfc63e75e56188feafe6e6