[INFO] cloning repository https://github.com/staktrace/t_est
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/staktrace/t_est" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstaktrace%2Ft_est", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstaktrace%2Ft_est'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2a8a431599fb47f1ba338c26ae60be7f9448470
[INFO] testing staktrace/t_est 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%2Fstaktrace%2Ft_est" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/staktrace/t_est 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/staktrace/t_est
[INFO] finished tweaking git repo https://github.com/staktrace/t_est
[INFO] tweaked toml for git repo https://github.com/staktrace/t_est written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate git repo https://github.com/staktrace/t_est 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 590bfb2c00fb9be5f0143f8c07a4c708415e0a0fc979b09f5e10057d3f0eb180
[INFO] running `Command { std: "docker" "start" "-a" "590bfb2c00fb9be5f0143f8c07a4c708415e0a0fc979b09f5e10057d3f0eb180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "590bfb2c00fb9be5f0143f8c07a4c708415e0a0fc979b09f5e10057d3f0eb180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590bfb2c00fb9be5f0143f8c07a4c708415e0a0fc979b09f5e10057d3f0eb180", kill_on_drop: false }`
[INFO] [stdout] 590bfb2c00fb9be5f0143f8c07a4c708415e0a0fc979b09f5e10057d3f0eb180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] ef3cf8752e0a8cb78a1950cd836a64d7ce8ae795e1269d46092b59392bf9a0f7
[INFO] running `Command { std: "docker" "start" "-a" "ef3cf8752e0a8cb78a1950cd836a64d7ce8ae795e1269d46092b59392bf9a0f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling t_est v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "ef3cf8752e0a8cb78a1950cd836a64d7ce8ae795e1269d46092b59392bf9a0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3cf8752e0a8cb78a1950cd836a64d7ce8ae795e1269d46092b59392bf9a0f7", kill_on_drop: false }`
[INFO] [stdout] ef3cf8752e0a8cb78a1950cd836a64d7ce8ae795e1269d46092b59392bf9a0f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 5a87899608f7514f32c0cc48f7e90d1f6e834fc3dd01b91e27044c9c4f523b40
[INFO] running `Command { std: "docker" "start" "-a" "5a87899608f7514f32c0cc48f7e90d1f6e834fc3dd01b91e27044c9c4f523b40", kill_on_drop: false }`
[INFO] [stderr]    Compiling t_est v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "5a87899608f7514f32c0cc48f7e90d1f6e834fc3dd01b91e27044c9c4f523b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a87899608f7514f32c0cc48f7e90d1f6e834fc3dd01b91e27044c9c4f523b40", kill_on_drop: false }`
[INFO] [stdout] 5a87899608f7514f32c0cc48f7e90d1f6e834fc3dd01b91e27044c9c4f523b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 4b7931b6a2fdbd98d8bf311e410760747d084e4fa68194a65cad461c6428d874
[INFO] running `Command { std: "docker" "start" "-a" "4b7931b6a2fdbd98d8bf311e410760747d084e4fa68194a65cad461c6428d874", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t_est-cb96f8f4fad908da)
[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" "4b7931b6a2fdbd98d8bf311e410760747d084e4fa68194a65cad461c6428d874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b7931b6a2fdbd98d8bf311e410760747d084e4fa68194a65cad461c6428d874", kill_on_drop: false }`
[INFO] [stdout] 4b7931b6a2fdbd98d8bf311e410760747d084e4fa68194a65cad461c6428d874