[INFO] fetching crate practicum 0.0.0...
[INFO] testing practicum-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate practicum 0.0.0 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate practicum 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 practicum 0.0.0
[INFO] finished tweaking crates.io crate practicum 0.0.0
[INFO] tweaked toml for crates.io crate practicum 0.0.0 written to /workspace/builds/worker-79/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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 12f3ca1ab49e8886ef4ac82721f7997f089cf25b1e28c189af615b093911ab7a
[INFO] running `Command { std: "docker" "start" "-a" "12f3ca1ab49e8886ef4ac82721f7997f089cf25b1e28c189af615b093911ab7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f3ca1ab49e8886ef4ac82721f7997f089cf25b1e28c189af615b093911ab7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f3ca1ab49e8886ef4ac82721f7997f089cf25b1e28c189af615b093911ab7a", kill_on_drop: false }`
[INFO] [stdout] 12f3ca1ab49e8886ef4ac82721f7997f089cf25b1e28c189af615b093911ab7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] fc05638628c0eac4c33e173436be39a0140b76265945867c8717403a34bd5700
[INFO] running `Command { std: "docker" "start" "-a" "fc05638628c0eac4c33e173436be39a0140b76265945867c8717403a34bd5700", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling practicum v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "fc05638628c0eac4c33e173436be39a0140b76265945867c8717403a34bd5700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc05638628c0eac4c33e173436be39a0140b76265945867c8717403a34bd5700", kill_on_drop: false }`
[INFO] [stdout] fc05638628c0eac4c33e173436be39a0140b76265945867c8717403a34bd5700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 54be60a5954639043964f976227853082047f5a51f3295c1f3a1a5464f4059b8
[INFO] running `Command { std: "docker" "start" "-a" "54be60a5954639043964f976227853082047f5a51f3295c1f3a1a5464f4059b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling practicum v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "54be60a5954639043964f976227853082047f5a51f3295c1f3a1a5464f4059b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54be60a5954639043964f976227853082047f5a51f3295c1f3a1a5464f4059b8", kill_on_drop: false }`
[INFO] [stdout] 54be60a5954639043964f976227853082047f5a51f3295c1f3a1a5464f4059b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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] 59e9a652838a413c01cf2718f945bb1caf018e5c6348b1a4c0104eb563738b39
[INFO] running `Command { std: "docker" "start" "-a" "59e9a652838a413c01cf2718f945bb1caf018e5c6348b1a4c0104eb563738b39", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/practicum-2780a57ff066f5e7)
[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" "59e9a652838a413c01cf2718f945bb1caf018e5c6348b1a4c0104eb563738b39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e9a652838a413c01cf2718f945bb1caf018e5c6348b1a4c0104eb563738b39", kill_on_drop: false }`
[INFO] [stdout] 59e9a652838a413c01cf2718f945bb1caf018e5c6348b1a4c0104eb563738b39