[INFO] fetching crate mp2c 0.1.2...
[INFO] testing mp2c-0.1.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mp2c 0.1.2 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate mp2c 0.1.2 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 mp2c 0.1.2
[INFO] finished tweaking crates.io crate mp2c 0.1.2
[INFO] tweaked toml for crates.io crate mp2c 0.1.2 written to /workspace/builds/worker-21/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] eeb0e971811d021e823a3f7cdab2cff876e1b290f9afb57dff24f50a0f7a9d61
[INFO] running `Command { std: "docker" "start" "-a" "eeb0e971811d021e823a3f7cdab2cff876e1b290f9afb57dff24f50a0f7a9d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb0e971811d021e823a3f7cdab2cff876e1b290f9afb57dff24f50a0f7a9d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb0e971811d021e823a3f7cdab2cff876e1b290f9afb57dff24f50a0f7a9d61", kill_on_drop: false }`
[INFO] [stdout] eeb0e971811d021e823a3f7cdab2cff876e1b290f9afb57dff24f50a0f7a9d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 165aca1dac49753ea6028443148bdcde179c4aa5e16e97083e4a80f191085662
[INFO] running `Command { std: "docker" "start" "-a" "165aca1dac49753ea6028443148bdcde179c4aa5e16e97083e4a80f191085662", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mp2c v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "165aca1dac49753ea6028443148bdcde179c4aa5e16e97083e4a80f191085662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165aca1dac49753ea6028443148bdcde179c4aa5e16e97083e4a80f191085662", kill_on_drop: false }`
[INFO] [stdout] 165aca1dac49753ea6028443148bdcde179c4aa5e16e97083e4a80f191085662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] ead42ef317c5301daeee215a80ffe36b5115ac1e8753001038645df81c4afaaa
[INFO] running `Command { std: "docker" "start" "-a" "ead42ef317c5301daeee215a80ffe36b5115ac1e8753001038645df81c4afaaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling mp2c v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "ead42ef317c5301daeee215a80ffe36b5115ac1e8753001038645df81c4afaaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead42ef317c5301daeee215a80ffe36b5115ac1e8753001038645df81c4afaaa", kill_on_drop: false }`
[INFO] [stdout] ead42ef317c5301daeee215a80ffe36b5115ac1e8753001038645df81c4afaaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 845204bfdee026503d1645b99af166d30e0e46fdc26e34dbddc7238acb27dad7
[INFO] running `Command { std: "docker" "start" "-a" "845204bfdee026503d1645b99af166d30e0e46fdc26e34dbddc7238acb27dad7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mp2c-83dacc4498b57185)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test asynch::tests::multi_producer ... ok
[INFO] [stdout] test asynch::tests::basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mp2c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/asynch.rs - asynch::Carousel (line 128) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "845204bfdee026503d1645b99af166d30e0e46fdc26e34dbddc7238acb27dad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845204bfdee026503d1645b99af166d30e0e46fdc26e34dbddc7238acb27dad7", kill_on_drop: false }`
[INFO] [stdout] 845204bfdee026503d1645b99af166d30e0e46fdc26e34dbddc7238acb27dad7