[INFO] cloning repository https://github.com/mdietrichstein/rust-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdietrichstein/rust-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdietrichstein%2Frust-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdietrichstein%2Frust-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 658d94f7311839a5315a94d794ac354cf8dc95c4
[INFO] testing mdietrichstein/rust-workspace against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdietrichstein%2Frust-workspace" "/workspace/builds/worker-101/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-101/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdietrichstein/rust-workspace 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/mdietrichstein/rust-workspace
[INFO] finished tweaking git repo https://github.com/mdietrichstein/rust-workspace
[INFO] tweaked toml for git repo https://github.com/mdietrichstein/rust-workspace written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] crate git repo https://github.com/mdietrichstein/rust-workspace 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] accdcedfe881ddec36d81d5fe9023e5e367f2be946436680e23b41d94bd23647
[INFO] running `Command { std: "docker" "start" "-a" "accdcedfe881ddec36d81d5fe9023e5e367f2be946436680e23b41d94bd23647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "accdcedfe881ddec36d81d5fe9023e5e367f2be946436680e23b41d94bd23647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accdcedfe881ddec36d81d5fe9023e5e367f2be946436680e23b41d94bd23647", kill_on_drop: false }`
[INFO] [stdout] accdcedfe881ddec36d81d5fe9023e5e367f2be946436680e23b41d94bd23647
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] a41d1132f5033f6f4c9a50f6a0b5466d32f11a11da0089bc3e9d22baee4722f3
[INFO] running `Command { std: "docker" "start" "-a" "a41d1132f5033f6f4c9a50f6a0b5466d32f11a11da0089bc3e9d22baee4722f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "a41d1132f5033f6f4c9a50f6a0b5466d32f11a11da0089bc3e9d22baee4722f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a41d1132f5033f6f4c9a50f6a0b5466d32f11a11da0089bc3e9d22baee4722f3", kill_on_drop: false }`
[INFO] [stdout] a41d1132f5033f6f4c9a50f6a0b5466d32f11a11da0089bc3e9d22baee4722f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] c3c6efb43129c1ceffc595d2fed2b52d92550e411354ad88d83a6dd3ba038a58
[INFO] running `Command { std: "docker" "start" "-a" "c3c6efb43129c1ceffc595d2fed2b52d92550e411354ad88d83a6dd3ba038a58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "c3c6efb43129c1ceffc595d2fed2b52d92550e411354ad88d83a6dd3ba038a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c6efb43129c1ceffc595d2fed2b52d92550e411354ad88d83a6dd3ba038a58", kill_on_drop: false }`
[INFO] [stdout] c3c6efb43129c1ceffc595d2fed2b52d92550e411354ad88d83a6dd3ba038a58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 3d05969f93b57b0af092e3a2ae13d9f2d657fcf57e135254990934a4f0955a4f
[INFO] running `Command { std: "docker" "start" "-a" "3d05969f93b57b0af092e3a2ae13d9f2d657fcf57e135254990934a4f0955a4f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-e2fa5ae48e2f6583)
[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" "3d05969f93b57b0af092e3a2ae13d9f2d657fcf57e135254990934a4f0955a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d05969f93b57b0af092e3a2ae13d9f2d657fcf57e135254990934a4f0955a4f", kill_on_drop: false }`
[INFO] [stdout] 3d05969f93b57b0af092e3a2ae13d9f2d657fcf57e135254990934a4f0955a4f