[INFO] fetching crate yield 0.0.0...
[INFO] testing yield-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate yield 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate yield 0.0.0 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 yield 0.0.0
[INFO] finished tweaking crates.io crate yield 0.0.0
[INFO] tweaked toml for crates.io crate yield 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate yield 0.0.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4fd746aa57804f66c35d08188d7174eb4727c1079c0ec37e639905a4d9addb8d
[INFO] running `Command { std: "docker" "start" "-a" "4fd746aa57804f66c35d08188d7174eb4727c1079c0ec37e639905a4d9addb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fd746aa57804f66c35d08188d7174eb4727c1079c0ec37e639905a4d9addb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fd746aa57804f66c35d08188d7174eb4727c1079c0ec37e639905a4d9addb8d", kill_on_drop: false }`
[INFO] [stdout] 4fd746aa57804f66c35d08188d7174eb4727c1079c0ec37e639905a4d9addb8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9b650c38699b31ff4daeeeefc30f53f24610dfe821942c9dc8eafb32664b3ad8
[INFO] running `Command { std: "docker" "start" "-a" "9b650c38699b31ff4daeeeefc30f53f24610dfe821942c9dc8eafb32664b3ad8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling yield v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "9b650c38699b31ff4daeeeefc30f53f24610dfe821942c9dc8eafb32664b3ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b650c38699b31ff4daeeeefc30f53f24610dfe821942c9dc8eafb32664b3ad8", kill_on_drop: false }`
[INFO] [stdout] 9b650c38699b31ff4daeeeefc30f53f24610dfe821942c9dc8eafb32664b3ad8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 9aa119107fe5c0653f186a2b3886b32b69bd7197236d76dc2f622e4e180ca1af
[INFO] running `Command { std: "docker" "start" "-a" "9aa119107fe5c0653f186a2b3886b32b69bd7197236d76dc2f622e4e180ca1af", kill_on_drop: false }`
[INFO] [stderr]    Compiling yield v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "9aa119107fe5c0653f186a2b3886b32b69bd7197236d76dc2f622e4e180ca1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa119107fe5c0653f186a2b3886b32b69bd7197236d76dc2f622e4e180ca1af", kill_on_drop: false }`
[INFO] [stdout] 9aa119107fe5c0653f186a2b3886b32b69bd7197236d76dc2f622e4e180ca1af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c5307cfec0d9fd804eeaac360b7dc0f3dc20af61e635f7528209c201b1e9fe71
[INFO] running `Command { std: "docker" "start" "-a" "c5307cfec0d9fd804eeaac360b7dc0f3dc20af61e635f7528209c201b1e9fe71", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yield-8d26e9840b06397f)
[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" "c5307cfec0d9fd804eeaac360b7dc0f3dc20af61e635f7528209c201b1e9fe71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5307cfec0d9fd804eeaac360b7dc0f3dc20af61e635f7528209c201b1e9fe71", kill_on_drop: false }`
[INFO] [stdout] c5307cfec0d9fd804eeaac360b7dc0f3dc20af61e635f7528209c201b1e9fe71