[INFO] fetching crate halt 2.0.1...
[INFO] testing halt-2.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate halt 2.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate halt 2.0.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate halt 2.0.1
[INFO] finished tweaking crates.io crate halt 2.0.1
[INFO] tweaked toml for crates.io crate halt 2.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45c521829883b976e3177af3faea995ced5eb8eba5598a4411dc9e8c4370f69e
[INFO] running `Command { std: "docker" "start" "-a" "45c521829883b976e3177af3faea995ced5eb8eba5598a4411dc9e8c4370f69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45c521829883b976e3177af3faea995ced5eb8eba5598a4411dc9e8c4370f69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c521829883b976e3177af3faea995ced5eb8eba5598a4411dc9e8c4370f69e", kill_on_drop: false }`
[INFO] [stdout] 45c521829883b976e3177af3faea995ced5eb8eba5598a4411dc9e8c4370f69e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a383c7234fb5ee3bd0d140d9c3c65cef1307e50c5c9342c8578fd39797fa444b
[INFO] running `Command { std: "docker" "start" "-a" "a383c7234fb5ee3bd0d140d9c3c65cef1307e50c5c9342c8578fd39797fa444b", kill_on_drop: false }`
[INFO] [stderr]    Compiling halt v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "a383c7234fb5ee3bd0d140d9c3c65cef1307e50c5c9342c8578fd39797fa444b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a383c7234fb5ee3bd0d140d9c3c65cef1307e50c5c9342c8578fd39797fa444b", kill_on_drop: false }`
[INFO] [stdout] a383c7234fb5ee3bd0d140d9c3c65cef1307e50c5c9342c8578fd39797fa444b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 650162b219391445a58d96bc5494ca109adb07193b43ff0a74c55c8bda921f56
[INFO] running `Command { std: "docker" "start" "-a" "650162b219391445a58d96bc5494ca109adb07193b43ff0a74c55c8bda921f56", kill_on_drop: false }`
[INFO] [stderr]    Compiling halt v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "650162b219391445a58d96bc5494ca109adb07193b43ff0a74c55c8bda921f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650162b219391445a58d96bc5494ca109adb07193b43ff0a74c55c8bda921f56", kill_on_drop: false }`
[INFO] [stdout] 650162b219391445a58d96bc5494ca109adb07193b43ff0a74c55c8bda921f56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0dc2e9cf67ecd43f0eb1499014b53517b0aa2a1b124cab47d78ab3b122bdb52d
[INFO] running `Command { std: "docker" "start" "-a" "0dc2e9cf67ecd43f0eb1499014b53517b0aa2a1b124cab47d78ab3b122bdb52d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/halt-17ff471bf8652ee0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests halt
[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 4 tests
[INFO] [stdout] test src/lib.rs - (line 3) - compile ... ok
[INFO] [stdout] test src/lib.rs - new (line 27) ... ok
[INFO] [stdout] test src/lib.rs - Remote (line 201) ... ok
[INFO] [stdout] test src/lib.rs - Halt (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0dc2e9cf67ecd43f0eb1499014b53517b0aa2a1b124cab47d78ab3b122bdb52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc2e9cf67ecd43f0eb1499014b53517b0aa2a1b124cab47d78ab3b122bdb52d", kill_on_drop: false }`
[INFO] [stdout] 0dc2e9cf67ecd43f0eb1499014b53517b0aa2a1b124cab47d78ab3b122bdb52d