[INFO] fetching crate unchecked_unwrap 3.0.0...
[INFO] testing unchecked_unwrap-3.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate unchecked_unwrap 3.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate unchecked_unwrap 3.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unchecked_unwrap 3.0.0
[INFO] finished tweaking crates.io crate unchecked_unwrap 3.0.0
[INFO] tweaked toml for crates.io crate unchecked_unwrap 3.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 385a6df385358bff8e9196ebbf479a186fa62c07f6441d79f94cc90608a00a33
[INFO] running `Command { std: "docker" "start" "-a" "385a6df385358bff8e9196ebbf479a186fa62c07f6441d79f94cc90608a00a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "385a6df385358bff8e9196ebbf479a186fa62c07f6441d79f94cc90608a00a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "385a6df385358bff8e9196ebbf479a186fa62c07f6441d79f94cc90608a00a33", kill_on_drop: false }`
[INFO] [stdout] 385a6df385358bff8e9196ebbf479a186fa62c07f6441d79f94cc90608a00a33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf880346cfccd55f2cbd4d4acdb55b19ce0418b479634019d4c90cb9132573f1
[INFO] running `Command { std: "docker" "start" "-a" "cf880346cfccd55f2cbd4d4acdb55b19ce0418b479634019d4c90cb9132573f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unchecked_unwrap v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "cf880346cfccd55f2cbd4d4acdb55b19ce0418b479634019d4c90cb9132573f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf880346cfccd55f2cbd4d4acdb55b19ce0418b479634019d4c90cb9132573f1", kill_on_drop: false }`
[INFO] [stdout] cf880346cfccd55f2cbd4d4acdb55b19ce0418b479634019d4c90cb9132573f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc3d0ac6dd02927d39bd03473c5c428cfb838d114c435c86aaa22cd6663e1d7
[INFO] running `Command { std: "docker" "start" "-a" "8bc3d0ac6dd02927d39bd03473c5c428cfb838d114c435c86aaa22cd6663e1d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unchecked_unwrap v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "8bc3d0ac6dd02927d39bd03473c5c428cfb838d114c435c86aaa22cd6663e1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc3d0ac6dd02927d39bd03473c5c428cfb838d114c435c86aaa22cd6663e1d7", kill_on_drop: false }`
[INFO] [stdout] 8bc3d0ac6dd02927d39bd03473c5c428cfb838d114c435c86aaa22cd6663e1d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cea5e2b933f97f0c1be9d2d2d4ecce4dd52ab1899e56145b24c5ad924681bc21
[INFO] running `Command { std: "docker" "start" "-a" "cea5e2b933f97f0c1be9d2d2d4ecce4dd52ab1899e56145b24c5ad924681bc21", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-a7393a94c75ade4f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test option_expect_success ... ok
[INFO] [stdout] test option_unwrap_success ... ok
[INFO] [stdout] test result_expect_success ... ok
[INFO] [stdout] test result_unwrap_success ... ok
[INFO] [stdout] test option_expect_failure - should panic ... ok
[INFO] [stdout] test option_unwrap_failure - should panic ... ok
[INFO] [stdout] test result_expect_failure - should panic ... ok
[INFO] [stdout] test result_unwrap_failure - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unchecked_unwrap
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - UncheckedUnwrap::unchecked_unwrap (line 84) ... ok
[INFO] [stdout] test src/lib.rs - UncheckedUnwrap::unchecked_expect (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cea5e2b933f97f0c1be9d2d2d4ecce4dd52ab1899e56145b24c5ad924681bc21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea5e2b933f97f0c1be9d2d2d4ecce4dd52ab1899e56145b24c5ad924681bc21", kill_on_drop: false }`
[INFO] [stdout] cea5e2b933f97f0c1be9d2d2d4ecce4dd52ab1899e56145b24c5ad924681bc21