[INFO] fetching crate yeast 0.20.2...
[INFO] testing yeast-0.20.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate yeast 0.20.2 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate yeast 0.20.2 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 yeast 0.20.2
[INFO] finished tweaking crates.io crate yeast 0.20.2
[INFO] tweaked toml for crates.io crate yeast 0.20.2 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate yeast 0.20.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded redox_syscall v0.1.44
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 8193c76c0644fc8630407cffc5fcac7079f62c45c3a9f2e62aee0c0c41a41130
[INFO] running `Command { std: "docker" "start" "-a" "8193c76c0644fc8630407cffc5fcac7079f62c45c3a9f2e62aee0c0c41a41130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8193c76c0644fc8630407cffc5fcac7079f62c45c3a9f2e62aee0c0c41a41130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8193c76c0644fc8630407cffc5fcac7079f62c45c3a9f2e62aee0c0c41a41130", kill_on_drop: false }`
[INFO] [stdout] 8193c76c0644fc8630407cffc5fcac7079f62c45c3a9f2e62aee0c0c41a41130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 1eca29cc8a84e2640703e3d8c3a3fe1e97f456338677913e2cf3e4aa657b2428
[INFO] running `Command { std: "docker" "start" "-a" "1eca29cc8a84e2640703e3d8c3a3fe1e97f456338677913e2cf3e4aa657b2428", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling yeast v0.20.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.37s
[INFO] running `Command { std: "docker" "inspect" "1eca29cc8a84e2640703e3d8c3a3fe1e97f456338677913e2cf3e4aa657b2428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eca29cc8a84e2640703e3d8c3a3fe1e97f456338677913e2cf3e4aa657b2428", kill_on_drop: false }`
[INFO] [stdout] 1eca29cc8a84e2640703e3d8c3a3fe1e97f456338677913e2cf3e4aa657b2428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] f79238acb37dec4ef7fd3b0b26a0d8dd17a9418ef8603c9727315dbdf8793290
[INFO] running `Command { std: "docker" "start" "-a" "f79238acb37dec4ef7fd3b0b26a0d8dd17a9418ef8603c9727315dbdf8793290", kill_on_drop: false }`
[INFO] [stderr]    Compiling yeast v0.20.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "f79238acb37dec4ef7fd3b0b26a0d8dd17a9418ef8603c9727315dbdf8793290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79238acb37dec4ef7fd3b0b26a0d8dd17a9418ef8603c9727315dbdf8793290", kill_on_drop: false }`
[INFO] [stdout] f79238acb37dec4ef7fd3b0b26a0d8dd17a9418ef8603c9727315dbdf8793290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 6ceb7f281ccf77365c61d6c1614b5836856767717181bb0ce6e233a1c33abeb8
[INFO] running `Command { std: "docker" "start" "-a" "6ceb7f281ccf77365c61d6c1614b5836856767717181bb0ce6e233a1c33abeb8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yeast-2686775f484aca54)
[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" "6ceb7f281ccf77365c61d6c1614b5836856767717181bb0ce6e233a1c33abeb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ceb7f281ccf77365c61d6c1614b5836856767717181bb0ce6e233a1c33abeb8", kill_on_drop: false }`
[INFO] [stdout] 6ceb7f281ccf77365c61d6c1614b5836856767717181bb0ce6e233a1c33abeb8