[INFO] cloning repository https://github.com/LionelBeato/rust-by-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LionelBeato/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLionelBeato%2Frust-by-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLionelBeato%2Frust-by-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20cc96ef56cb143ccd7d47c7f75cba83039cb7f6
[INFO] testing LionelBeato/rust-by-example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLionelBeato%2Frust-by-example" "/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/LionelBeato/rust-by-example on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LionelBeato/rust-by-example
[INFO] finished tweaking git repo https://github.com/LionelBeato/rust-by-example
[INFO] tweaked toml for git repo https://github.com/LionelBeato/rust-by-example written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/LionelBeato/rust-by-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4db6db954c2756dc86a73f2cf2a047633b350cab17232a7204c561d2f5e6d568
[INFO] running `Command { std: "docker" "start" "-a" "4db6db954c2756dc86a73f2cf2a047633b350cab17232a7204c561d2f5e6d568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4db6db954c2756dc86a73f2cf2a047633b350cab17232a7204c561d2f5e6d568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db6db954c2756dc86a73f2cf2a047633b350cab17232a7204c561d2f5e6d568", kill_on_drop: false }`
[INFO] [stdout] 4db6db954c2756dc86a73f2cf2a047633b350cab17232a7204c561d2f5e6d568
[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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4a5ea7d5edcffe126c66ff01335cdd3cfa694e28c8be33363540592ed8b79ee
[INFO] running `Command { std: "docker" "start" "-a" "a4a5ea7d5edcffe126c66ff01335cdd3cfa694e28c8be33363540592ed8b79ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling examp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "a4a5ea7d5edcffe126c66ff01335cdd3cfa694e28c8be33363540592ed8b79ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a5ea7d5edcffe126c66ff01335cdd3cfa694e28c8be33363540592ed8b79ee", kill_on_drop: false }`
[INFO] [stdout] a4a5ea7d5edcffe126c66ff01335cdd3cfa694e28c8be33363540592ed8b79ee
[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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3acddde04c526b70f177ade916ff4689959eceb80a6961e49577afd6d4649839
[INFO] running `Command { std: "docker" "start" "-a" "3acddde04c526b70f177ade916ff4689959eceb80a6961e49577afd6d4649839", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling examp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "3acddde04c526b70f177ade916ff4689959eceb80a6961e49577afd6d4649839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3acddde04c526b70f177ade916ff4689959eceb80a6961e49577afd6d4649839", kill_on_drop: false }`
[INFO] [stdout] 3acddde04c526b70f177ade916ff4689959eceb80a6961e49577afd6d4649839
[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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec30affb647773732751482d9d2c5e4533ee515a8e2c505169d7a1d1c6d0fdcf
[INFO] running `Command { std: "docker" "start" "-a" "ec30affb647773732751482d9d2c5e4533ee515a8e2c505169d7a1d1c6d0fdcf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.81s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/examp-efe9f1d544d982f6)
[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" "ec30affb647773732751482d9d2c5e4533ee515a8e2c505169d7a1d1c6d0fdcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec30affb647773732751482d9d2c5e4533ee515a8e2c505169d7a1d1c6d0fdcf", kill_on_drop: false }`
[INFO] [stdout] ec30affb647773732751482d9d2c5e4533ee515a8e2c505169d7a1d1c6d0fdcf