[INFO] fetching crate datman 0.1.0...
[INFO] testing datman-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate datman 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate datman 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 datman 0.1.0
[INFO] finished tweaking crates.io crate datman 0.1.0
[INFO] tweaked toml for crates.io crate datman 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate datman 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8ceeeedffe8bdacbfb75f9770bec0dac18a4a291a5294ddd310e500ffe19fbdb
[INFO] running `Command { std: "docker" "start" "-a" "8ceeeedffe8bdacbfb75f9770bec0dac18a4a291a5294ddd310e500ffe19fbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ceeeedffe8bdacbfb75f9770bec0dac18a4a291a5294ddd310e500ffe19fbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ceeeedffe8bdacbfb75f9770bec0dac18a4a291a5294ddd310e500ffe19fbdb", kill_on_drop: false }`
[INFO] [stdout] 8ceeeedffe8bdacbfb75f9770bec0dac18a4a291a5294ddd310e500ffe19fbdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cd7a2c4da1c62cdc836bf95d6d5436c1d99dcad59ae8f71fdad2a8a9a273b16b
[INFO] running `Command { std: "docker" "start" "-a" "cd7a2c4da1c62cdc836bf95d6d5436c1d99dcad59ae8f71fdad2a8a9a273b16b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling shell-escape v0.1.5
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling fastcdc v1.0.5
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]    Compiling blake v2.0.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling hashlink v0.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling sshish v0.1.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rusqlite v0.24.2
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling sled v0.34.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling zstd-sys v1.4.20+zstd.1.4.9
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling indicatif v0.14.0
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.19.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=862dc36d7b367c29 -C extra-filename=-862dc36d7b367c29 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dece450273084492.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-65e95353095d946c.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cd7a2c4da1c62cdc836bf95d6d5436c1d99dcad59ae8f71fdad2a8a9a273b16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7a2c4da1c62cdc836bf95d6d5436c1d99dcad59ae8f71fdad2a8a9a273b16b", kill_on_drop: false }`
[INFO] [stdout] cd7a2c4da1c62cdc836bf95d6d5436c1d99dcad59ae8f71fdad2a8a9a273b16b