[INFO] fetching crate pmfpack 0.1.0...
[INFO] testing pmfpack-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate pmfpack 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pmfpack 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 pmfpack 0.1.0
[INFO] finished tweaking crates.io crate pmfpack 0.1.0
[INFO] tweaked toml for crates.io crate pmfpack 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pmfpack 0.1.0 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-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 640147d275424707944d836eedc050f0be8b4a2ebb81bb96f3af923c94ba5be7
[INFO] running `Command { std: "docker" "start" "-a" "640147d275424707944d836eedc050f0be8b4a2ebb81bb96f3af923c94ba5be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640147d275424707944d836eedc050f0be8b4a2ebb81bb96f3af923c94ba5be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640147d275424707944d836eedc050f0be8b4a2ebb81bb96f3af923c94ba5be7", kill_on_drop: false }`
[INFO] [stdout] 640147d275424707944d836eedc050f0be8b4a2ebb81bb96f3af923c94ba5be7
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15cb0eb104c5869e733a55ce0a91fb08ad515ecf5ec40c97485072e32ecfe537
[INFO] running `Command { std: "docker" "start" "-a" "15cb0eb104c5869e733a55ce0a91fb08ad515ecf5ec40c97485072e32ecfe537", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tar v0.4.33
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling libpolymesh v1.0.0
[INFO] [stderr]    Compiling pmfpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.10s
[INFO] running `Command { std: "docker" "inspect" "15cb0eb104c5869e733a55ce0a91fb08ad515ecf5ec40c97485072e32ecfe537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cb0eb104c5869e733a55ce0a91fb08ad515ecf5ec40c97485072e32ecfe537", kill_on_drop: false }`
[INFO] [stdout] 15cb0eb104c5869e733a55ce0a91fb08ad515ecf5ec40c97485072e32ecfe537
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c03b2c9fbf30198e2c0c72b8d10d2bd54e35951326a1f414d8204c44edae0e
[INFO] running `Command { std: "docker" "start" "-a" "64c03b2c9fbf30198e2c0c72b8d10d2bd54e35951326a1f414d8204c44edae0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pmfpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "64c03b2c9fbf30198e2c0c72b8d10d2bd54e35951326a1f414d8204c44edae0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c03b2c9fbf30198e2c0c72b8d10d2bd54e35951326a1f414d8204c44edae0e", kill_on_drop: false }`
[INFO] [stdout] 64c03b2c9fbf30198e2c0c72b8d10d2bd54e35951326a1f414d8204c44edae0e
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22e4e9b474a4ce0c978b7b72d11aaa27a752504aa1418dd23f1a2f99bd3ac81e
[INFO] running `Command { std: "docker" "start" "-a" "22e4e9b474a4ce0c978b7b72d11aaa27a752504aa1418dd23f1a2f99bd3ac81e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pmfpack-ced98c5f39a543dc)
[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" "22e4e9b474a4ce0c978b7b72d11aaa27a752504aa1418dd23f1a2f99bd3ac81e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e4e9b474a4ce0c978b7b72d11aaa27a752504aa1418dd23f1a2f99bd3ac81e", kill_on_drop: false }`
[INFO] [stdout] 22e4e9b474a4ce0c978b7b72d11aaa27a752504aa1418dd23f1a2f99bd3ac81e