[INFO] fetching crate cepack 0.1.0...
[INFO] testing cepack-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cepack 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cepack 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cepack 0.1.0
[INFO] finished tweaking crates.io crate cepack 0.1.0
[INFO] tweaked toml for crates.io crate cepack 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cepack 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb90c8029a5cf8605817616d89eaa3dcaddb9ea3c1cdc17cc946b3d17541be86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fb90c8029a5cf8605817616d89eaa3dcaddb9ea3c1cdc17cc946b3d17541be86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb90c8029a5cf8605817616d89eaa3dcaddb9ea3c1cdc17cc946b3d17541be86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb90c8029a5cf8605817616d89eaa3dcaddb9ea3c1cdc17cc946b3d17541be86", kill_on_drop: false }`
[INFO] [stdout] fb90c8029a5cf8605817616d89eaa3dcaddb9ea3c1cdc17cc946b3d17541be86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ce51ddd83cd0896fd7a9669316e7af4eb8a2eaf54ca8946910db1a8dfd9481b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ce51ddd83cd0896fd7a9669316e7af4eb8a2eaf54ca8946910db1a8dfd9481b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling derive_pod v0.1.1
[INFO] [stderr]    Compiling no-std-compat v0.4.1
[INFO] [stderr]    Compiling pelite-macros v0.1.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling dataview v0.1.2
[INFO] [stderr]    Compiling pelite v0.9.0
[INFO] [stderr]    Compiling cepack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.62s
[INFO] running `Command { std: "docker" "inspect" "9ce51ddd83cd0896fd7a9669316e7af4eb8a2eaf54ca8946910db1a8dfd9481b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce51ddd83cd0896fd7a9669316e7af4eb8a2eaf54ca8946910db1a8dfd9481b", kill_on_drop: false }`
[INFO] [stdout] 9ce51ddd83cd0896fd7a9669316e7af4eb8a2eaf54ca8946910db1a8dfd9481b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5084a9df871307890fe1945de2b12ce35a31f81ad0330eced8da43bb7ff2ec30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5084a9df871307890fe1945de2b12ce35a31f81ad0330eced8da43bb7ff2ec30", kill_on_drop: false }`
[INFO] [stderr]    Compiling cepack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "5084a9df871307890fe1945de2b12ce35a31f81ad0330eced8da43bb7ff2ec30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5084a9df871307890fe1945de2b12ce35a31f81ad0330eced8da43bb7ff2ec30", kill_on_drop: false }`
[INFO] [stdout] 5084a9df871307890fe1945de2b12ce35a31f81ad0330eced8da43bb7ff2ec30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1827b38880145ac7772fc5c2b0f4085fe57510098d255af7ccfc6e34a6ac48b6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1827b38880145ac7772fc5c2b0f4085fe57510098d255af7ccfc6e34a6ac48b6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cepack-07cc8304ca26d595)
[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" "1827b38880145ac7772fc5c2b0f4085fe57510098d255af7ccfc6e34a6ac48b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1827b38880145ac7772fc5c2b0f4085fe57510098d255af7ccfc6e34a6ac48b6", kill_on_drop: false }`
[INFO] [stdout] 1827b38880145ac7772fc5c2b0f4085fe57510098d255af7ccfc6e34a6ac48b6