[INFO] fetching crate signalo 0.6.0...
[INFO] testing signalo-0.6.0 against 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signalo_sinks v0.5.2
[INFO] [stderr]   Downloaded signalo_pipes v0.5.1
[INFO] [stderr]   Downloaded signalo_sources v0.5.2
[INFO] [stderr]   Downloaded signalo_filters v0.6.0
[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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ef3422a823cd513a95f1bab7ce5e3455d4f95d9f96b16ae6f09b45c222a5adc
[INFO] running `Command { std: "docker" "start" "-a" "5ef3422a823cd513a95f1bab7ce5e3455d4f95d9f96b16ae6f09b45c222a5adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ef3422a823cd513a95f1bab7ce5e3455d4f95d9f96b16ae6f09b45c222a5adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef3422a823cd513a95f1bab7ce5e3455d4f95d9f96b16ae6f09b45c222a5adc", kill_on_drop: false }`
[INFO] [stdout] 5ef3422a823cd513a95f1bab7ce5e3455d4f95d9f96b16ae6f09b45c222a5adc
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e95825824b2ca747db36c4c70b85e48c668c7ddf8de4702a354aa9b8fcc6cad9
[INFO] running `Command { std: "docker" "start" "-a" "e95825824b2ca747db36c4c70b85e48c668c7ddf8de4702a354aa9b8fcc6cad9", 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_filters v0.6.0
[INFO] [stderr]    Compiling signalo_sinks v0.5.2
[INFO] [stderr]    Compiling signalo_sources v0.5.2
[INFO] [stderr]    Compiling signalo v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "e95825824b2ca747db36c4c70b85e48c668c7ddf8de4702a354aa9b8fcc6cad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95825824b2ca747db36c4c70b85e48c668c7ddf8de4702a354aa9b8fcc6cad9", kill_on_drop: false }`
[INFO] [stdout] e95825824b2ca747db36c4c70b85e48c668c7ddf8de4702a354aa9b8fcc6cad9
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7abba40ca2d0d823db31e021b56cda9111495f7b8f9773abddf568dede3d24d0
[INFO] running `Command { std: "docker" "start" "-a" "7abba40ca2d0d823db31e021b56cda9111495f7b8f9773abddf568dede3d24d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling signalo v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "7abba40ca2d0d823db31e021b56cda9111495f7b8f9773abddf568dede3d24d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abba40ca2d0d823db31e021b56cda9111495f7b8f9773abddf568dede3d24d0", kill_on_drop: false }`
[INFO] [stdout] 7abba40ca2d0d823db31e021b56cda9111495f7b8f9773abddf568dede3d24d0
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 944876e7106d457c9821ab6f9242f4decb4b522170ce8a48e6b51c86b13f18b2
[INFO] running `Command { std: "docker" "start" "-a" "944876e7106d457c9821ab6f9242f4decb4b522170ce8a48e6b51c86b13f18b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/signalo-0ed09d9fd96da6d9)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests signalo
[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 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" "944876e7106d457c9821ab6f9242f4decb4b522170ce8a48e6b51c86b13f18b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944876e7106d457c9821ab6f9242f4decb4b522170ce8a48e6b51c86b13f18b2", kill_on_drop: false }`
[INFO] [stdout] 944876e7106d457c9821ab6f9242f4decb4b522170ce8a48e6b51c86b13f18b2