[INFO] cloning repository https://github.com/e14tech/largest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/e14tech/largest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe14tech%2Flargest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fe14tech%2Flargest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1efaaa5b970fb4594cb4050aaea6636c0659bbcf
[INFO] testing e14tech/largest 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%2Fe14tech%2Flargest" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/e14tech/largest 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/e14tech/largest
[INFO] finished tweaking git repo https://github.com/e14tech/largest
[INFO] tweaked toml for git repo https://github.com/e14tech/largest written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/e14tech/largest 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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 56ba3529dcf87c99621fc888ceccf2e64d3a3fe810782fe5224a4f68f88091de
[INFO] running `Command { std: "docker" "start" "-a" "56ba3529dcf87c99621fc888ceccf2e64d3a3fe810782fe5224a4f68f88091de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56ba3529dcf87c99621fc888ceccf2e64d3a3fe810782fe5224a4f68f88091de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ba3529dcf87c99621fc888ceccf2e64d3a3fe810782fe5224a4f68f88091de", kill_on_drop: false }`
[INFO] [stdout] 56ba3529dcf87c99621fc888ceccf2e64d3a3fe810782fe5224a4f68f88091de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 39d6e3a3f78bc375ca448cd1198ada5db27b93e42ada2e8eb70018c9ac7dd404
[INFO] running `Command { std: "docker" "start" "-a" "39d6e3a3f78bc375ca448cd1198ada5db27b93e42ada2e8eb70018c9ac7dd404", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling largest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.01s
[INFO] running `Command { std: "docker" "inspect" "39d6e3a3f78bc375ca448cd1198ada5db27b93e42ada2e8eb70018c9ac7dd404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d6e3a3f78bc375ca448cd1198ada5db27b93e42ada2e8eb70018c9ac7dd404", kill_on_drop: false }`
[INFO] [stdout] 39d6e3a3f78bc375ca448cd1198ada5db27b93e42ada2e8eb70018c9ac7dd404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 5f73bc8486a59542c87d2d99dabe98a1bf0410fb29e7944f7eeffbce56d44631
[INFO] running `Command { std: "docker" "start" "-a" "5f73bc8486a59542c87d2d99dabe98a1bf0410fb29e7944f7eeffbce56d44631", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling largest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.56s
[INFO] running `Command { std: "docker" "inspect" "5f73bc8486a59542c87d2d99dabe98a1bf0410fb29e7944f7eeffbce56d44631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f73bc8486a59542c87d2d99dabe98a1bf0410fb29e7944f7eeffbce56d44631", kill_on_drop: false }`
[INFO] [stdout] 5f73bc8486a59542c87d2d99dabe98a1bf0410fb29e7944f7eeffbce56d44631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 5b19ea707c9a3827d4f1c1c67336dc301e5c8ca33a4a1e4197677cc2caf2c20d
[INFO] running `Command { std: "docker" "start" "-a" "5b19ea707c9a3827d4f1c1c67336dc301e5c8ca33a4a1e4197677cc2caf2c20d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/largest-857e5891898595d3)
[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" "5b19ea707c9a3827d4f1c1c67336dc301e5c8ca33a4a1e4197677cc2caf2c20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b19ea707c9a3827d4f1c1c67336dc301e5c8ca33a4a1e4197677cc2caf2c20d", kill_on_drop: false }`
[INFO] [stdout] 5b19ea707c9a3827d4f1c1c67336dc301e5c8ca33a4a1e4197677cc2caf2c20d