[INFO] cloning repository https://github.com/furuhama/trash_can
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/furuhama/trash_can" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Ftrash_can", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Ftrash_can'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 568c361727339dfb80ccc8d8a3d8f0a11907db6c
[INFO] testing furuhama/trash_can against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuruhama%2Ftrash_can" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/furuhama/trash_can on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/furuhama/trash_can
[INFO] finished tweaking git repo https://github.com/furuhama/trash_can
[INFO] tweaked toml for git repo https://github.com/furuhama/trash_can written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/furuhama/trash_can already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7e3a91cfdb547fd8af2b8e84ae5891d8a62664e83b6072297e34e13dfd0dff2
[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" "f7e3a91cfdb547fd8af2b8e84ae5891d8a62664e83b6072297e34e13dfd0dff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e3a91cfdb547fd8af2b8e84ae5891d8a62664e83b6072297e34e13dfd0dff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e3a91cfdb547fd8af2b8e84ae5891d8a62664e83b6072297e34e13dfd0dff2", kill_on_drop: false }`
[INFO] [stdout] f7e3a91cfdb547fd8af2b8e84ae5891d8a62664e83b6072297e34e13dfd0dff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 256be55441a442a654b32188f3db435769336ee2de0467ce2560f1c9bd118559
[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" "256be55441a442a654b32188f3db435769336ee2de0467ce2560f1c9bd118559", kill_on_drop: false }`
[INFO] [stderr]    Compiling string v0.1.2
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling encoding_rs v0.8.12
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling rand_isaac v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling smallvec v0.6.6
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling mustache v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.3/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=d631db29567fb151 -C extra-filename=-d631db29567fb151 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-cc1f90e57010ca73.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" "256be55441a442a654b32188f3db435769336ee2de0467ce2560f1c9bd118559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256be55441a442a654b32188f3db435769336ee2de0467ce2560f1c9bd118559", kill_on_drop: false }`
[INFO] [stdout] 256be55441a442a654b32188f3db435769336ee2de0467ce2560f1c9bd118559