[INFO] cloning repository https://github.com/j-rock/fortress
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-rock/fortress" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-rock%2Ffortress", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-rock%2Ffortress'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23b71bbd75afe75370b59e2117893f1023142c17
[INFO] checking j-rock/fortress against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-rock%2Ffortress" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j-rock/fortress 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 git repo https://github.com/j-rock/fortress
[INFO] finished tweaking git repo https://github.com/j-rock/fortress
[INFO] tweaked toml for git repo https://github.com/j-rock/fortress written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/j-rock/fortress 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 9d264adea0ca338a8893b73186aabba86f1d1500232c478d6b0805186eae6df7
[INFO] running `Command { std: "docker" "start" "-a" "9d264adea0ca338a8893b73186aabba86f1d1500232c478d6b0805186eae6df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d264adea0ca338a8893b73186aabba86f1d1500232c478d6b0805186eae6df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d264adea0ca338a8893b73186aabba86f1d1500232c478d6b0805186eae6df7", kill_on_drop: false }`
[INFO] [stdout] 9d264adea0ca338a8893b73186aabba86f1d1500232c478d6b0805186eae6df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 494db746a3a6038ee99df76d76149bbf9bffa8e02c1995234f0f14fbebd5b4e6
[INFO] running `Command { std: "docker" "start" "-a" "494db746a3a6038ee99df76d76149bbf9bffa8e02c1995234f0f14fbebd5b4e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rect_packer v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking slotmap v0.4.0
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking generational_slab v0.5.0 (/opt/rustwide/workdir/generational_slab)
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]     Checking generational-arena v0.2.7
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rustc_serialize /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C opt-level=2 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on -C metadata=fb2d9894b62e0125 -C extra-filename=-fb2d9894b62e0125 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "494db746a3a6038ee99df76d76149bbf9bffa8e02c1995234f0f14fbebd5b4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494db746a3a6038ee99df76d76149bbf9bffa8e02c1995234f0f14fbebd5b4e6", kill_on_drop: false }`
[INFO] [stdout] 494db746a3a6038ee99df76d76149bbf9bffa8e02c1995234f0f14fbebd5b4e6
