[INFO] fetching crate gfold 1.4.1...
[INFO] testing gfold-1.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gfold 1.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate gfold 1.4.1 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 gfold 1.4.1
[INFO] finished tweaking crates.io crate gfold 1.4.1
[INFO] tweaked toml for crates.io crate gfold 1.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate gfold 1.4.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5b5ea706bc48be180aa21c660a7fd782c48e95e6a829d8779654961d7f3a0f85
[INFO] running `Command { std: "docker" "start" "-a" "5b5ea706bc48be180aa21c660a7fd782c48e95e6a829d8779654961d7f3a0f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b5ea706bc48be180aa21c660a7fd782c48e95e6a829d8779654961d7f3a0f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5ea706bc48be180aa21c660a7fd782c48e95e6a829d8779654961d7f3a0f85", kill_on_drop: false }`
[INFO] [stdout] 5b5ea706bc48be180aa21c660a7fd782c48e95e6a829d8779654961d7f3a0f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1025f2fba72948588a06fa050de97079542d344c8629498ca579eab4f189bf49
[INFO] running `Command { std: "docker" "start" "-a" "1025f2fba72948588a06fa050de97079542d344c8629498ca579eab4f189bf49", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling git2 v0.13.20
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling gfold v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.24s
[INFO] running `Command { std: "docker" "inspect" "1025f2fba72948588a06fa050de97079542d344c8629498ca579eab4f189bf49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1025f2fba72948588a06fa050de97079542d344c8629498ca579eab4f189bf49", kill_on_drop: false }`
[INFO] [stdout] 1025f2fba72948588a06fa050de97079542d344c8629498ca579eab4f189bf49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5ed74123c08c9714ec1bbd272a127308f94f51fd7cfddd12b37c34833e2020df
[INFO] running `Command { std: "docker" "start" "-a" "5ed74123c08c9714ec1bbd272a127308f94f51fd7cfddd12b37c34833e2020df", kill_on_drop: false }`
[INFO] [stderr]    Compiling gfold v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "5ed74123c08c9714ec1bbd272a127308f94f51fd7cfddd12b37c34833e2020df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed74123c08c9714ec1bbd272a127308f94f51fd7cfddd12b37c34833e2020df", kill_on_drop: false }`
[INFO] [stdout] 5ed74123c08c9714ec1bbd272a127308f94f51fd7cfddd12b37c34833e2020df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4d4b62b2469eb36382744b73a20a9d808c758880538972c9878a04b275e6882e
[INFO] running `Command { std: "docker" "start" "-a" "4d4b62b2469eb36382744b73a20a9d808c758880538972c9878a04b275e6882e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::current_directory ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gfold-4a2baa64a6ff284a)
[INFO] [stdout] test tests::parent_directory ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gfold-d551f60701938940)
[INFO] [stdout] test tests::parent_directory_all_options ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 59.58s
[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] [stderr]    Doc-tests gfold
[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" "4d4b62b2469eb36382744b73a20a9d808c758880538972c9878a04b275e6882e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4b62b2469eb36382744b73a20a9d808c758880538972c9878a04b275e6882e", kill_on_drop: false }`
[INFO] [stdout] 4d4b62b2469eb36382744b73a20a9d808c758880538972c9878a04b275e6882e