[INFO] fetching crate ustar 0.0.0-stub...
[INFO] testing ustar-0.0.0-stub against 1.55.0 for beta-1.56-1
[INFO] extracting crate ustar 0.0.0-stub into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate ustar 0.0.0-stub 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 ustar 0.0.0-stub
[INFO] finished tweaking crates.io crate ustar 0.0.0-stub
[INFO] tweaked toml for crates.io crate ustar 0.0.0-stub written to /workspace/builds/worker-67/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] [stderr]     Blocking waiting for file lock on package cache
[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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 0019d52a7e7de494513f73f2ae306dbe55a6ba9261c3cccd9f237f7bad126e53
[INFO] running `Command { std: "docker" "start" "-a" "0019d52a7e7de494513f73f2ae306dbe55a6ba9261c3cccd9f237f7bad126e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0019d52a7e7de494513f73f2ae306dbe55a6ba9261c3cccd9f237f7bad126e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0019d52a7e7de494513f73f2ae306dbe55a6ba9261c3cccd9f237f7bad126e53", kill_on_drop: false }`
[INFO] [stdout] 0019d52a7e7de494513f73f2ae306dbe55a6ba9261c3cccd9f237f7bad126e53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 46910e96f04a23e53a39bff6f47ff21e05150382355e3bb5df8e89326b1b4635
[INFO] running `Command { std: "docker" "start" "-a" "46910e96f04a23e53a39bff6f47ff21e05150382355e3bb5df8e89326b1b4635", kill_on_drop: false }`
[INFO] [stderr]    Compiling ustar v0.0.0-stub (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "46910e96f04a23e53a39bff6f47ff21e05150382355e3bb5df8e89326b1b4635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46910e96f04a23e53a39bff6f47ff21e05150382355e3bb5df8e89326b1b4635", kill_on_drop: false }`
[INFO] [stdout] 46910e96f04a23e53a39bff6f47ff21e05150382355e3bb5df8e89326b1b4635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] fa52749cbd6d358089f20cff453b6f1c5d85716f533805890845faebb04eba8f
[INFO] running `Command { std: "docker" "start" "-a" "fa52749cbd6d358089f20cff453b6f1c5d85716f533805890845faebb04eba8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ustar v0.0.0-stub (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "fa52749cbd6d358089f20cff453b6f1c5d85716f533805890845faebb04eba8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa52749cbd6d358089f20cff453b6f1c5d85716f533805890845faebb04eba8f", kill_on_drop: false }`
[INFO] [stdout] fa52749cbd6d358089f20cff453b6f1c5d85716f533805890845faebb04eba8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] a43a7e46cc557db289f79b4b141ad8a2afdfde7e954e266618043258f831d45c
[INFO] running `Command { std: "docker" "start" "-a" "a43a7e46cc557db289f79b4b141ad8a2afdfde7e954e266618043258f831d45c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ustar-a24ee431a908b57b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ustar
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "a43a7e46cc557db289f79b4b141ad8a2afdfde7e954e266618043258f831d45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a43a7e46cc557db289f79b4b141ad8a2afdfde7e954e266618043258f831d45c", kill_on_drop: false }`
[INFO] [stdout] a43a7e46cc557db289f79b4b141ad8a2afdfde7e954e266618043258f831d45c