[INFO] fetching crate possibly_uninit 0.1.0...
[INFO] testing possibly_uninit-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate possibly_uninit 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate possibly_uninit 0.1.0 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 possibly_uninit 0.1.0
[INFO] finished tweaking crates.io crate possibly_uninit 0.1.0
[INFO] tweaked toml for crates.io crate possibly_uninit 0.1.0 written to /workspace/builds/worker-1/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] 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9cc6153d761af725d083191d788b55e8422bc6a1c4ef7bc956494122a86abe53
[INFO] running `Command { std: "docker" "start" "-a" "9cc6153d761af725d083191d788b55e8422bc6a1c4ef7bc956494122a86abe53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cc6153d761af725d083191d788b55e8422bc6a1c4ef7bc956494122a86abe53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc6153d761af725d083191d788b55e8422bc6a1c4ef7bc956494122a86abe53", kill_on_drop: false }`
[INFO] [stdout] 9cc6153d761af725d083191d788b55e8422bc6a1c4ef7bc956494122a86abe53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c0815685381fcf825bf5c5f291cbc9963351fe2a4bf4c80deb616bd00754cbce
[INFO] running `Command { std: "docker" "start" "-a" "c0815685381fcf825bf5c5f291cbc9963351fe2a4bf4c80deb616bd00754cbce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling possibly_uninit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "c0815685381fcf825bf5c5f291cbc9963351fe2a4bf4c80deb616bd00754cbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0815685381fcf825bf5c5f291cbc9963351fe2a4bf4c80deb616bd00754cbce", kill_on_drop: false }`
[INFO] [stdout] c0815685381fcf825bf5c5f291cbc9963351fe2a4bf4c80deb616bd00754cbce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] ecf82cedf0d91c7201018934264f0d3f9abfcbbb5a838d16f4eec1557de7ae9e
[INFO] running `Command { std: "docker" "start" "-a" "ecf82cedf0d91c7201018934264f0d3f9abfcbbb5a838d16f4eec1557de7ae9e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling possibly_uninit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "ecf82cedf0d91c7201018934264f0d3f9abfcbbb5a838d16f4eec1557de7ae9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf82cedf0d91c7201018934264f0d3f9abfcbbb5a838d16f4eec1557de7ae9e", kill_on_drop: false }`
[INFO] [stdout] ecf82cedf0d91c7201018934264f0d3f9abfcbbb5a838d16f4eec1557de7ae9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 11bb29b7b3fee5d0513a5d86750603dc361375a644789c187591584eb172630f
[INFO] running `Command { std: "docker" "start" "-a" "11bb29b7b3fee5d0513a5d86750603dc361375a644789c187591584eb172630f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/possibly_uninit-ce4b6bf813488f1b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests possibly_uninit
[INFO] [stdout] test slice::cursor::test::arr ... ok
[INFO] [stdout] test slice::cursor::test::slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Out (line 48) ... FAILED
[INFO] [stdout] test src/slice/mod.rs - slice::OutSlice (line 51) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Out (line 48) stdout ----
[INFO] [stdout] Test executable succeeded, but it's marked `should_panic`.
[INFO] [stdout] ---- src/slice/mod.rs - slice::OutSlice (line 51) stdout ----
[INFO] [stdout] Test executable succeeded, but it's marked `should_panic`.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Out (line 48)
[INFO] [stdout]     src/slice/mod.rs - slice::OutSlice (line 51)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "11bb29b7b3fee5d0513a5d86750603dc361375a644789c187591584eb172630f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11bb29b7b3fee5d0513a5d86750603dc361375a644789c187591584eb172630f", kill_on_drop: false }`
[INFO] [stdout] 11bb29b7b3fee5d0513a5d86750603dc361375a644789c187591584eb172630f