[INFO] fetching crate imager-engine 0.0.0...
[INFO] testing imager-engine-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate imager-engine 0.0.0 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate imager-engine 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 imager-engine 0.0.0
[INFO] finished tweaking crates.io crate imager-engine 0.0.0
[INFO] tweaked toml for crates.io crate imager-engine 0.0.0 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate crates.io crate imager-engine 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 34d176e9c015503d4709ac8d74beabac67d103cd321a6c79d926c50ce06c905b
[INFO] running `Command { std: "docker" "start" "-a" "34d176e9c015503d4709ac8d74beabac67d103cd321a6c79d926c50ce06c905b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34d176e9c015503d4709ac8d74beabac67d103cd321a6c79d926c50ce06c905b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d176e9c015503d4709ac8d74beabac67d103cd321a6c79d926c50ce06c905b", kill_on_drop: false }`
[INFO] [stdout] 34d176e9c015503d4709ac8d74beabac67d103cd321a6c79d926c50ce06c905b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 8c09bfd61169cf610f1ed1354d93af8381606e41c8e39e3e8ac4674ce378d28c
[INFO] running `Command { std: "docker" "start" "-a" "8c09bfd61169cf610f1ed1354d93af8381606e41c8e39e3e8ac4674ce378d28c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling imager-engine v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "8c09bfd61169cf610f1ed1354d93af8381606e41c8e39e3e8ac4674ce378d28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c09bfd61169cf610f1ed1354d93af8381606e41c8e39e3e8ac4674ce378d28c", kill_on_drop: false }`
[INFO] [stdout] 8c09bfd61169cf610f1ed1354d93af8381606e41c8e39e3e8ac4674ce378d28c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] 8e93df7b0bc6a0c0fb3cd76b72eb671a5852512d94c077829a6438390ed5dd34
[INFO] running `Command { std: "docker" "start" "-a" "8e93df7b0bc6a0c0fb3cd76b72eb671a5852512d94c077829a6438390ed5dd34", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling imager-engine v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "8e93df7b0bc6a0c0fb3cd76b72eb671a5852512d94c077829a6438390ed5dd34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e93df7b0bc6a0c0fb3cd76b72eb671a5852512d94c077829a6438390ed5dd34", kill_on_drop: false }`
[INFO] [stdout] 8e93df7b0bc6a0c0fb3cd76b72eb671a5852512d94c077829a6438390ed5dd34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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] a2bf28c94203a9925cce59f7a8e91979fb73cb92da0c4e47f1abeaba9c8a3e49
[INFO] running `Command { std: "docker" "start" "-a" "a2bf28c94203a9925cce59f7a8e91979fb73cb92da0c4e47f1abeaba9c8a3e49", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/imager_engine-e1d50cb74a838e47)
[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" "a2bf28c94203a9925cce59f7a8e91979fb73cb92da0c4e47f1abeaba9c8a3e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2bf28c94203a9925cce59f7a8e91979fb73cb92da0c4e47f1abeaba9c8a3e49", kill_on_drop: false }`
[INFO] [stdout] a2bf28c94203a9925cce59f7a8e91979fb73cb92da0c4e47f1abeaba9c8a3e49