[INFO] fetching crate signalo 0.6.0...
[INFO] testing signalo-0.6.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate signalo 0.6.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate signalo 0.6.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signalo 0.6.0
[INFO] finished tweaking crates.io crate signalo 0.6.0
[INFO] tweaked toml for crates.io crate signalo 0.6.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22d6fb5fb3bf3f6b8f19311f9e8f29ac865a98b9c42f0e62b90328e3de2d1933
[INFO] running `Command { std: "docker" "start" "-a" "22d6fb5fb3bf3f6b8f19311f9e8f29ac865a98b9c42f0e62b90328e3de2d1933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22d6fb5fb3bf3f6b8f19311f9e8f29ac865a98b9c42f0e62b90328e3de2d1933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d6fb5fb3bf3f6b8f19311f9e8f29ac865a98b9c42f0e62b90328e3de2d1933", kill_on_drop: false }`
[INFO] [stdout] 22d6fb5fb3bf3f6b8f19311f9e8f29ac865a98b9c42f0e62b90328e3de2d1933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56cfba6e0905d52c5699d191f76a35c8717695a98c30558bc6d48ab2860545fa
[INFO] running `Command { std: "docker" "start" "-a" "56cfba6e0905d52c5699d191f76a35c8717695a98c30558bc6d48ab2860545fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling guts v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling signalo_traits v0.5.0
[INFO] [stderr]    Compiling signalo_pipes v0.5.1
[INFO] [stderr]    Compiling signalo_sources v0.5.2
[INFO] [stderr]    Compiling signalo_sinks v0.5.2
[INFO] [stderr]    Compiling signalo_filters v0.6.0
[INFO] [stderr]    Compiling signalo v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "56cfba6e0905d52c5699d191f76a35c8717695a98c30558bc6d48ab2860545fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56cfba6e0905d52c5699d191f76a35c8717695a98c30558bc6d48ab2860545fa", kill_on_drop: false }`
[INFO] [stdout] 56cfba6e0905d52c5699d191f76a35c8717695a98c30558bc6d48ab2860545fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4919c6e8ccb06f1dbe5373aaea6bf0b5cf5526d2efe5dfffa21480c91056cfdb
[INFO] running `Command { std: "docker" "start" "-a" "4919c6e8ccb06f1dbe5373aaea6bf0b5cf5526d2efe5dfffa21480c91056cfdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling signalo v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/signalo-5b123647e3db9ebb)
[INFO] running `Command { std: "docker" "inspect" "4919c6e8ccb06f1dbe5373aaea6bf0b5cf5526d2efe5dfffa21480c91056cfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4919c6e8ccb06f1dbe5373aaea6bf0b5cf5526d2efe5dfffa21480c91056cfdb", kill_on_drop: false }`
[INFO] [stdout] 4919c6e8ccb06f1dbe5373aaea6bf0b5cf5526d2efe5dfffa21480c91056cfdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef2863fe2b35b6f621f99155c28f7a6b567cb673e1cc5feca311cbdfa366eac1
[INFO] running `Command { std: "docker" "start" "-a" "ef2863fe2b35b6f621f99155c28f7a6b567cb673e1cc5feca311cbdfa366eac1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/signalo-5b123647e3db9ebb)
[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] [stderr]    Doc-tests signalo
[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" "ef2863fe2b35b6f621f99155c28f7a6b567cb673e1cc5feca311cbdfa366eac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2863fe2b35b6f621f99155c28f7a6b567cb673e1cc5feca311cbdfa366eac1", kill_on_drop: false }`
[INFO] [stdout] ef2863fe2b35b6f621f99155c28f7a6b567cb673e1cc5feca311cbdfa366eac1