[INFO] fetching crate git-stack 0.2.7...
[INFO] testing git-stack-0.2.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate git-stack 0.2.7 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate git-stack 0.2.7 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 git-stack 0.2.7
[INFO] finished tweaking crates.io crate git-stack 0.2.7
[INFO] tweaked toml for crates.io crate git-stack 0.2.7 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate git-stack 0.2.7 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 77755f3583e29fa3a8a9800af1dae23cd4a0b8f74dbdd834ce2af4e63a907b78
[INFO] running `Command { std: "docker" "start" "-a" "77755f3583e29fa3a8a9800af1dae23cd4a0b8f74dbdd834ce2af4e63a907b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77755f3583e29fa3a8a9800af1dae23cd4a0b8f74dbdd834ce2af4e63a907b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77755f3583e29fa3a8a9800af1dae23cd4a0b8f74dbdd834ce2af4e63a907b78", kill_on_drop: false }`
[INFO] [stdout] 77755f3583e29fa3a8a9800af1dae23cd4a0b8f74dbdd834ce2af4e63a907b78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6202ad45669c14585a93287c6f917f7299ec7fd818ccfe05d601e0c965958bf0
[INFO] running `Command { std: "docker" "start" "-a" "6202ad45669c14585a93287c6f917f7299ec7fd818ccfe05d601e0c965958bf0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling proc-exit v1.0.2
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling libgit2-sys v0.12.22+1.1.0
[INFO] [stderr]    Compiling os_type v2.3.0
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling git2 v0.13.21
[INFO] [stderr]    Compiling git-config-env v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling clap-verbosity-flag v0.3.2
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling human-panic v1.0.3
[INFO] [stderr]    Compiling git-stack v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.11s
[INFO] running `Command { std: "docker" "inspect" "6202ad45669c14585a93287c6f917f7299ec7fd818ccfe05d601e0c965958bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6202ad45669c14585a93287c6f917f7299ec7fd818ccfe05d601e0c965958bf0", kill_on_drop: false }`
[INFO] [stdout] 6202ad45669c14585a93287c6f917f7299ec7fd818ccfe05d601e0c965958bf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 28deed3709bc84c50d2254c8239101503ccb1cdfccce269a7cb8fe652d57a367
[INFO] running `Command { std: "docker" "start" "-a" "28deed3709bc84c50d2254c8239101503ccb1cdfccce269a7cb8fe652d57a367", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling schemars v0.8.3
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling predicates-tree v1.0.3
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling predicates v2.0.2
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling assert_cmd v1.0.8
[INFO] [stderr]    Compiling assert_fs v1.0.4
[INFO] [stderr]    Compiling schemars_derive v0.8.3
[INFO] [stderr]    Compiling serde_yaml v0.8.20
[INFO] [stderr]    Compiling git-fixture v0.1.0
[INFO] [stderr]    Compiling git-stack v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.58s
[INFO] running `Command { std: "docker" "inspect" "28deed3709bc84c50d2254c8239101503ccb1cdfccce269a7cb8fe652d57a367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28deed3709bc84c50d2254c8239101503ccb1cdfccce269a7cb8fe652d57a367", kill_on_drop: false }`
[INFO] [stdout] 28deed3709bc84c50d2254c8239101503ccb1cdfccce269a7cb8fe652d57a367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 3777efd17c234589c67fe3d7987daad11e13fc7f095f5c4e484908bce53a19f7
[INFO] running `Command { std: "docker" "start" "-a" "3777efd17c234589c67fe3d7987daad11e13fc7f095f5c4e484908bce53a19f7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_stack-575baaeda2a5d9d9)
[INFO] [stdout] test git::protect::test::negation_patterns ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_branch_backup-b6874a0f9660baa1)
[INFO] [stdout] test git::protect::test::protect_branch ... ok
[INFO] [stdout] test git::protect::test::empty_allows_all ... ok
[INFO] [stdout] test git::protect::test::folders ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_stack-090057d2d560f98e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests git-stack
[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] [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] [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" "3777efd17c234589c67fe3d7987daad11e13fc7f095f5c4e484908bce53a19f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3777efd17c234589c67fe3d7987daad11e13fc7f095f5c4e484908bce53a19f7", kill_on_drop: false }`
[INFO] [stdout] 3777efd17c234589c67fe3d7987daad11e13fc7f095f5c4e484908bce53a19f7