[INFO] fetching crate covers 0.1.0-beta.7...
[INFO] testing covers-0.1.0-beta.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate covers 0.1.0-beta.7 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate covers 0.1.0-beta.7 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 crates.io crate covers 0.1.0-beta.7
[INFO] finished tweaking crates.io crate covers 0.1.0-beta.7
[INFO] tweaked toml for crates.io crate covers 0.1.0-beta.7 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] e2d820f1256a6937a44d540ad3f67e5750eb7a3bccbcf91cc9b0d26cfff4f351
[INFO] running `Command { std: "docker" "start" "-a" "e2d820f1256a6937a44d540ad3f67e5750eb7a3bccbcf91cc9b0d26cfff4f351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2d820f1256a6937a44d540ad3f67e5750eb7a3bccbcf91cc9b0d26cfff4f351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d820f1256a6937a44d540ad3f67e5750eb7a3bccbcf91cc9b0d26cfff4f351", kill_on_drop: false }`
[INFO] [stdout] e2d820f1256a6937a44d540ad3f67e5750eb7a3bccbcf91cc9b0d26cfff4f351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 5ba13a8d4f786453b8893e1a504fe69d5f57f89d13fe110185da19bedd1a74d4
[INFO] running `Command { std: "docker" "start" "-a" "5ba13a8d4f786453b8893e1a504fe69d5f57f89d13fe110185da19bedd1a74d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling covers v0.1.0-beta.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "5ba13a8d4f786453b8893e1a504fe69d5f57f89d13fe110185da19bedd1a74d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba13a8d4f786453b8893e1a504fe69d5f57f89d13fe110185da19bedd1a74d4", kill_on_drop: false }`
[INFO] [stdout] 5ba13a8d4f786453b8893e1a504fe69d5f57f89d13fe110185da19bedd1a74d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 784822c837dc66c2fc58eb9e3d132a8239bfb04647d5b4ab5bef884824f77962
[INFO] running `Command { std: "docker" "start" "-a" "784822c837dc66c2fc58eb9e3d132a8239bfb04647d5b4ab5bef884824f77962", kill_on_drop: false }`
[INFO] [stderr]    Compiling covers v0.1.0-beta.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "784822c837dc66c2fc58eb9e3d132a8239bfb04647d5b4ab5bef884824f77962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784822c837dc66c2fc58eb9e3d132a8239bfb04647d5b4ab5bef884824f77962", kill_on_drop: false }`
[INFO] [stdout] 784822c837dc66c2fc58eb9e3d132a8239bfb04647d5b4ab5bef884824f77962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] f4559b06791ef7791569b7ec24b1c1b6a2000e1d4be9e5be34c95829b42015b5
[INFO] running `Command { std: "docker" "start" "-a" "f4559b06791ef7791569b7ec24b1c1b6a2000e1d4be9e5be34c95829b42015b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/covers-a86348b299578eaa)
[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" "f4559b06791ef7791569b7ec24b1c1b6a2000e1d4be9e5be34c95829b42015b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4559b06791ef7791569b7ec24b1c1b6a2000e1d4be9e5be34c95829b42015b5", kill_on_drop: false }`
[INFO] [stdout] f4559b06791ef7791569b7ec24b1c1b6a2000e1d4be9e5be34c95829b42015b5