[INFO] cloning repository https://github.com/amscotti/rust_balanced_brackets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amscotti/rust_balanced_brackets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famscotti%2Frust_balanced_brackets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famscotti%2Frust_balanced_brackets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eca8dc8dedb54326a0968fc9ce47991c662eb41f
[INFO] testing amscotti/rust_balanced_brackets 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%2Famscotti%2Frust_balanced_brackets" "/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/amscotti/rust_balanced_brackets 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/amscotti/rust_balanced_brackets
[INFO] finished tweaking git repo https://github.com/amscotti/rust_balanced_brackets
[INFO] tweaked toml for git repo https://github.com/amscotti/rust_balanced_brackets written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/amscotti/rust_balanced_brackets 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] [stderr]     Blocking waiting for file lock on package cache
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb255d5925b1d1425fb4e5f07d8ea1b2ca401e8f280ba56e83556e632d78f11c
[INFO] running `Command { std: "docker" "start" "-a" "fb255d5925b1d1425fb4e5f07d8ea1b2ca401e8f280ba56e83556e632d78f11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb255d5925b1d1425fb4e5f07d8ea1b2ca401e8f280ba56e83556e632d78f11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb255d5925b1d1425fb4e5f07d8ea1b2ca401e8f280ba56e83556e632d78f11c", kill_on_drop: false }`
[INFO] [stdout] fb255d5925b1d1425fb4e5f07d8ea1b2ca401e8f280ba56e83556e632d78f11c
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17751f9493b8720a6b120062bd25f2ad63ca3c1f5f0cebfcacf207efbb7adeec
[INFO] running `Command { std: "docker" "start" "-a" "17751f9493b8720a6b120062bd25f2ad63ca3c1f5f0cebfcacf207efbb7adeec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling smallvec v0.4.0
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.4.4
[INFO] [stderr]    Compiling console v0.7.5
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling indicatif v0.11.0
[INFO] [stderr]    Compiling rust_balanced_brackets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.79s
[INFO] running `Command { std: "docker" "inspect" "17751f9493b8720a6b120062bd25f2ad63ca3c1f5f0cebfcacf207efbb7adeec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17751f9493b8720a6b120062bd25f2ad63ca3c1f5f0cebfcacf207efbb7adeec", kill_on_drop: false }`
[INFO] [stdout] 17751f9493b8720a6b120062bd25f2ad63ca3c1f5f0cebfcacf207efbb7adeec
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 463e37acd709532b5cc045c20418868065bfb46ebf26918dd6d4cf8c864dd15f
[INFO] running `Command { std: "docker" "start" "-a" "463e37acd709532b5cc045c20418868065bfb46ebf26918dd6d4cf8c864dd15f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_balanced_brackets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "463e37acd709532b5cc045c20418868065bfb46ebf26918dd6d4cf8c864dd15f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463e37acd709532b5cc045c20418868065bfb46ebf26918dd6d4cf8c864dd15f", kill_on_drop: false }`
[INFO] [stdout] 463e37acd709532b5cc045c20418868065bfb46ebf26918dd6d4cf8c864dd15f
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26a0ffeefb5cb8ada7a5a682cb76cb1d45c12752adf9b830044f4745b5152236
[INFO] running `Command { std: "docker" "start" "-a" "26a0ffeefb5cb8ada7a5a682cb76cb1d45c12752adf9b830044f4745b5152236", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_balanced_brackets-083d001737127003)
[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" "26a0ffeefb5cb8ada7a5a682cb76cb1d45c12752adf9b830044f4745b5152236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a0ffeefb5cb8ada7a5a682cb76cb1d45c12752adf9b830044f4745b5152236", kill_on_drop: false }`
[INFO] [stdout] 26a0ffeefb5cb8ada7a5a682cb76cb1d45c12752adf9b830044f4745b5152236