[INFO] fetching crate choice 0.0.2...
[INFO] testing choice-0.0.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate choice 0.0.2 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate choice 0.0.2 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 choice 0.0.2
[INFO] finished tweaking crates.io crate choice 0.0.2
[INFO] tweaked toml for crates.io crate choice 0.0.2 written to /workspace/builds/worker-88/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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] e7e7233724e78e6e64936fcc80c0f3423649af5e593a7c468df54caf2472ec2d
[INFO] running `Command { std: "docker" "start" "-a" "e7e7233724e78e6e64936fcc80c0f3423649af5e593a7c468df54caf2472ec2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7e7233724e78e6e64936fcc80c0f3423649af5e593a7c468df54caf2472ec2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e7233724e78e6e64936fcc80c0f3423649af5e593a7c468df54caf2472ec2d", kill_on_drop: false }`
[INFO] [stdout] e7e7233724e78e6e64936fcc80c0f3423649af5e593a7c468df54caf2472ec2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 0ac8fe4d14841f5e6f281f448c8ed72ecba308f32b150eace9bed22862e038dc
[INFO] running `Command { std: "docker" "start" "-a" "0ac8fe4d14841f5e6f281f448c8ed72ecba308f32b150eace9bed22862e038dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling choice v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "0ac8fe4d14841f5e6f281f448c8ed72ecba308f32b150eace9bed22862e038dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac8fe4d14841f5e6f281f448c8ed72ecba308f32b150eace9bed22862e038dc", kill_on_drop: false }`
[INFO] [stdout] 0ac8fe4d14841f5e6f281f448c8ed72ecba308f32b150eace9bed22862e038dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 7be79e6bf664e29d911655fa9066f9326ec8ccf85b2bde4d5fe4fb9c7dcabc90
[INFO] running `Command { std: "docker" "start" "-a" "7be79e6bf664e29d911655fa9066f9326ec8ccf85b2bde4d5fe4fb9c7dcabc90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling choice v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "7be79e6bf664e29d911655fa9066f9326ec8ccf85b2bde4d5fe4fb9c7dcabc90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be79e6bf664e29d911655fa9066f9326ec8ccf85b2bde4d5fe4fb9c7dcabc90", kill_on_drop: false }`
[INFO] [stdout] 7be79e6bf664e29d911655fa9066f9326ec8ccf85b2bde4d5fe4fb9c7dcabc90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 0353c42ca0abb0435535176c98e9c1e606fbc09b2701d7c132911e2f244b29ea
[INFO] running `Command { std: "docker" "start" "-a" "0353c42ca0abb0435535176c98e9c1e606fbc09b2701d7c132911e2f244b29ea", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/choice-84e1c195650cf1f3)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::can_compare ... ok
[INFO] [stdout] test test::can_destructure ... ok
[INFO] [stdout] test test::can_debug ... ok
[INFO] [stdout] test test::can_display ... ok
[INFO] [stdout] test test::smoke_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests choice
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - choice (line 224) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/lib.rs - (line 124) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 69) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 111) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0353c42ca0abb0435535176c98e9c1e606fbc09b2701d7c132911e2f244b29ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0353c42ca0abb0435535176c98e9c1e606fbc09b2701d7c132911e2f244b29ea", kill_on_drop: false }`
[INFO] [stdout] 0353c42ca0abb0435535176c98e9c1e606fbc09b2701d7c132911e2f244b29ea