[INFO] cloning repository https://github.com/dbradf/shrub-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbradf/shrub-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbradf%2Fshrub-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbradf%2Fshrub-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a2a9f4885dcf73377d847b35c026b2b89e5b6e2
[INFO] testing dbradf/shrub-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbradf%2Fshrub-rs" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbradf/shrub-rs 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/dbradf/shrub-rs
[INFO] finished tweaking git repo https://github.com/dbradf/shrub-rs
[INFO] tweaked toml for git repo https://github.com/dbradf/shrub-rs written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/dbradf/shrub-rs 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-error v0.2.3
[INFO] [stderr]   Downloaded yaml-merge-keys v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] e17e3383f1bc0ed0b6f96031becf8d2e962c0ddbeac9079fcd45116cfdde74f0
[INFO] running `Command { std: "docker" "start" "-a" "e17e3383f1bc0ed0b6f96031becf8d2e962c0ddbeac9079fcd45116cfdde74f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e17e3383f1bc0ed0b6f96031becf8d2e962c0ddbeac9079fcd45116cfdde74f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17e3383f1bc0ed0b6f96031becf8d2e962c0ddbeac9079fcd45116cfdde74f0", kill_on_drop: false }`
[INFO] [stdout] e17e3383f1bc0ed0b6f96031becf8d2e962c0ddbeac9079fcd45116cfdde74f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] f774a72f7bfe50ca0e3fd09b87ad0238a141c76e50ba3bb1940b62350631917d
[INFO] running `Command { std: "docker" "start" "-a" "f774a72f7bfe50ca0e3fd09b87ad0238a141c76e50ba3bb1940b62350631917d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling simple-error v0.2.3
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling yaml-merge-keys v0.4.1
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling shrub-rs v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.03s
[INFO] running `Command { std: "docker" "inspect" "f774a72f7bfe50ca0e3fd09b87ad0238a141c76e50ba3bb1940b62350631917d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f774a72f7bfe50ca0e3fd09b87ad0238a141c76e50ba3bb1940b62350631917d", kill_on_drop: false }`
[INFO] [stdout] f774a72f7bfe50ca0e3fd09b87ad0238a141c76e50ba3bb1940b62350631917d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 3322a135f2b3e1cdbdfcf1224cce3b8f9f62ac51fc1716deb603973425fd5e6c
[INFO] running `Command { std: "docker" "start" "-a" "3322a135f2b3e1cdbdfcf1224cce3b8f9f62ac51fc1716deb603973425fd5e6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling shrub-rs v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.77s
[INFO] running `Command { std: "docker" "inspect" "3322a135f2b3e1cdbdfcf1224cce3b8f9f62ac51fc1716deb603973425fd5e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3322a135f2b3e1cdbdfcf1224cce3b8f9f62ac51fc1716deb603973425fd5e6c", kill_on_drop: false }`
[INFO] [stdout] 3322a135f2b3e1cdbdfcf1224cce3b8f9f62ac51fc1716deb603973425fd5e6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 981c0387488c4f6b7e721226e92849b372b054d1b538089bdb1da2f26a3b10e7
[INFO] running `Command { std: "docker" "start" "-a" "981c0387488c4f6b7e721226e92849b372b054d1b538089bdb1da2f26a3b10e7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test models::builtin::timeout_value_tests::test_string_to_timeout_value ... ok
[INFO] [stdout] test models::project::test::test_an_empty_document_fails ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shrub_rs-5f93a28d0a08d89b)
[INFO] [stderr]    Doc-tests shrub-rs
[INFO] [stdout] test models::project::test::test_invalid_yaml_fails ... ok
[INFO] [stdout] test models::builtin::timeout_value_tests::test_int_to_timeout_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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" "981c0387488c4f6b7e721226e92849b372b054d1b538089bdb1da2f26a3b10e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981c0387488c4f6b7e721226e92849b372b054d1b538089bdb1da2f26a3b10e7", kill_on_drop: false }`
[INFO] [stdout] 981c0387488c4f6b7e721226e92849b372b054d1b538089bdb1da2f26a3b10e7