[INFO] cloning repository https://github.com/Lagoja/mentat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lagoja/mentat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLagoja%2Fmentat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLagoja%2Fmentat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bcf80eee30a5dcbc325683cefdd221e95103f70
[INFO] checking Lagoja/mentat against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLagoja%2Fmentat" "/workspace/builds/worker-113/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lagoja/mentat 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/Lagoja/mentat
[INFO] finished tweaking git repo https://github.com/Lagoja/mentat
[INFO] tweaked toml for git repo https://github.com/Lagoja/mentat written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate git repo https://github.com/Lagoja/mentat 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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] 030eb1eab6f48aa5bdac4c8d8272192797fba482e17cd2d85bc6cf5406fdc3eb
[INFO] running `Command { std: "docker" "start" "-a" "030eb1eab6f48aa5bdac4c8d8272192797fba482e17cd2d85bc6cf5406fdc3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "030eb1eab6f48aa5bdac4c8d8272192797fba482e17cd2d85bc6cf5406fdc3eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030eb1eab6f48aa5bdac4c8d8272192797fba482e17cd2d85bc6cf5406fdc3eb", kill_on_drop: false }`
[INFO] [stdout] 030eb1eab6f48aa5bdac4c8d8272192797fba482e17cd2d85bc6cf5406fdc3eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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] a9c81589f7c0d8463539ba26b1630689aec3f1b68d02180919fa31bfcd1e9b55
[INFO] running `Command { std: "docker" "start" "-a" "a9c81589f7c0d8463539ba26b1630689aec3f1b68d02180919fa31bfcd1e9b55", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling cc v1.0.14
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking serde v1.0.43
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling pear v0.0.16
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling ordermap v0.2.13
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.43/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 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=27984a880ff1a8b6 -C extra-filename=-27984a880ff1a8b6 --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" "a9c81589f7c0d8463539ba26b1630689aec3f1b68d02180919fa31bfcd1e9b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c81589f7c0d8463539ba26b1630689aec3f1b68d02180919fa31bfcd1e9b55", kill_on_drop: false }`
[INFO] [stdout] a9c81589f7c0d8463539ba26b1630689aec3f1b68d02180919fa31bfcd1e9b55
