[INFO] fetching crate possibly_uninit 0.1.0...
[INFO] testing possibly_uninit-0.1.0 against 1.77.0 for beta-1.78-1
[INFO] extracting crate possibly_uninit 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate possibly_uninit 0.1.0 on toolchain 1.77.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cdd9fcbeec84931ec841785dca74309f6e01ad4eca47a69ac1f2bdf4030cf9a
[INFO] running `Command { std: "docker" "start" "-a" "8cdd9fcbeec84931ec841785dca74309f6e01ad4eca47a69ac1f2bdf4030cf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cdd9fcbeec84931ec841785dca74309f6e01ad4eca47a69ac1f2bdf4030cf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdd9fcbeec84931ec841785dca74309f6e01ad4eca47a69ac1f2bdf4030cf9a", kill_on_drop: false }`
[INFO] [stdout] 8cdd9fcbeec84931ec841785dca74309f6e01ad4eca47a69ac1f2bdf4030cf9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d89d531c2ab70b1d79fabc2305b2f9c6968e3fdc635d0732b13718f1ef052b77
[INFO] running `Command { std: "docker" "start" "-a" "d89d531c2ab70b1d79fabc2305b2f9c6968e3fdc635d0732b13718f1ef052b77", kill_on_drop: false }`
[INFO] [stderr]    Compiling possibly_uninit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "d89d531c2ab70b1d79fabc2305b2f9c6968e3fdc635d0732b13718f1ef052b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d89d531c2ab70b1d79fabc2305b2f9c6968e3fdc635d0732b13718f1ef052b77", kill_on_drop: false }`
[INFO] [stdout] d89d531c2ab70b1d79fabc2305b2f9c6968e3fdc635d0732b13718f1ef052b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3406814be9bdee9303ce7156043c79a38b61d7c38a7f0456e5654cf40e1c776c
[INFO] running `Command { std: "docker" "start" "-a" "3406814be9bdee9303ce7156043c79a38b61d7c38a7f0456e5654cf40e1c776c", kill_on_drop: false }`
[INFO] [stderr]    Compiling possibly_uninit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "3406814be9bdee9303ce7156043c79a38b61d7c38a7f0456e5654cf40e1c776c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3406814be9bdee9303ce7156043c79a38b61d7c38a7f0456e5654cf40e1c776c", kill_on_drop: false }`
[INFO] [stdout] 3406814be9bdee9303ce7156043c79a38b61d7c38a7f0456e5654cf40e1c776c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55fec1d33b31a25ad4064f462a043457927e6f15f5e8c96e511e914d1a98e7d5
[INFO] running `Command { std: "docker" "start" "-a" "55fec1d33b31a25ad4064f462a043457927e6f15f5e8c96e511e914d1a98e7d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/possibly_uninit-be498ad010912653)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests possibly_uninit
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Out (line 48) ... ok
[INFO] [stdout] test src/slice/mod.rs - slice::OutSlice (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55fec1d33b31a25ad4064f462a043457927e6f15f5e8c96e511e914d1a98e7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55fec1d33b31a25ad4064f462a043457927e6f15f5e8c96e511e914d1a98e7d5", kill_on_drop: false }`
[INFO] [stdout] 55fec1d33b31a25ad4064f462a043457927e6f15f5e8c96e511e914d1a98e7d5