[INFO] fetching crate holds 0.1.0...
[INFO] testing holds-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate holds 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate holds 0.1.0 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 holds 0.1.0
[INFO] finished tweaking crates.io crate holds 0.1.0
[INFO] tweaked toml for crates.io crate holds 0.1.0 written to /workspace/builds/worker-29/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] 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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] e322a7c4e4b224c56e6bef70cec7677be0aaf494ff287d95ae47876b21f13917
[INFO] running `Command { std: "docker" "start" "-a" "e322a7c4e4b224c56e6bef70cec7677be0aaf494ff287d95ae47876b21f13917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e322a7c4e4b224c56e6bef70cec7677be0aaf494ff287d95ae47876b21f13917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e322a7c4e4b224c56e6bef70cec7677be0aaf494ff287d95ae47876b21f13917", kill_on_drop: false }`
[INFO] [stdout] e322a7c4e4b224c56e6bef70cec7677be0aaf494ff287d95ae47876b21f13917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] cb6cf046ac950a494d747d59a93f974f17a3f3d7b2281efe2942e9f294a29f0f
[INFO] running `Command { std: "docker" "start" "-a" "cb6cf046ac950a494d747d59a93f974f17a3f3d7b2281efe2942e9f294a29f0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling holds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "cb6cf046ac950a494d747d59a93f974f17a3f3d7b2281efe2942e9f294a29f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6cf046ac950a494d747d59a93f974f17a3f3d7b2281efe2942e9f294a29f0f", kill_on_drop: false }`
[INFO] [stdout] cb6cf046ac950a494d747d59a93f974f17a3f3d7b2281efe2942e9f294a29f0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 76ded5e532d36892209288cf107de9c136384b46a48ae4dadf31a9614156bbac
[INFO] running `Command { std: "docker" "start" "-a" "76ded5e532d36892209288cf107de9c136384b46a48ae4dadf31a9614156bbac", kill_on_drop: false }`
[INFO] [stderr]    Compiling holds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "76ded5e532d36892209288cf107de9c136384b46a48ae4dadf31a9614156bbac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ded5e532d36892209288cf107de9c136384b46a48ae4dadf31a9614156bbac", kill_on_drop: false }`
[INFO] [stdout] 76ded5e532d36892209288cf107de9c136384b46a48ae4dadf31a9614156bbac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 2d6bffca8ed5c9c6cd0f0c9b4a6c240982adc5f64f14fb52f1c11767c03bcac2
[INFO] running `Command { std: "docker" "start" "-a" "2d6bffca8ed5c9c6cd0f0c9b4a6c240982adc5f64f14fb52f1c11767c03bcac2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/holds-278a524ec7659818)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests holds
[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" "2d6bffca8ed5c9c6cd0f0c9b4a6c240982adc5f64f14fb52f1c11767c03bcac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6bffca8ed5c9c6cd0f0c9b4a6c240982adc5f64f14fb52f1c11767c03bcac2", kill_on_drop: false }`
[INFO] [stdout] 2d6bffca8ed5c9c6cd0f0c9b4a6c240982adc5f64f14fb52f1c11767c03bcac2