[INFO] cloning repository https://github.com/Programatic/Rackett
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Programatic/Rackett" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProgramatic%2FRackett", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProgramatic%2FRackett'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53ffabad2f9df61025dd6fbae071ce690704b638
[INFO] testing Programatic/Rackett against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProgramatic%2FRackett" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Programatic/Rackett on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Programatic/Rackett
[INFO] finished tweaking git repo https://github.com/Programatic/Rackett
[INFO] tweaked toml for git repo https://github.com/Programatic/Rackett written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Programatic/Rackett already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e53ba388919794ce27e4291dc1fd8cfb6f5fc1149e68fc54b0ecc061497115e
[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" "1e53ba388919794ce27e4291dc1fd8cfb6f5fc1149e68fc54b0ecc061497115e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e53ba388919794ce27e4291dc1fd8cfb6f5fc1149e68fc54b0ecc061497115e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e53ba388919794ce27e4291dc1fd8cfb6f5fc1149e68fc54b0ecc061497115e", kill_on_drop: false }`
[INFO] [stdout] 1e53ba388919794ce27e4291dc1fd8cfb6f5fc1149e68fc54b0ecc061497115e
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c87ac41bcaac407e567e01c0acca13400d8e2391140179dff8af340c938a293
[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" "7c87ac41bcaac407e567e01c0acca13400d8e2391140179dff8af340c938a293", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling derive_more v0.99.3
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling actix-web-codegen v0.2.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling tokio v0.2.11
[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-0.6.16/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=b3c3d2b8f539120d -C extra-filename=-b3c3d2b8f539120d --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" "7c87ac41bcaac407e567e01c0acca13400d8e2391140179dff8af340c938a293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c87ac41bcaac407e567e01c0acca13400d8e2391140179dff8af340c938a293", kill_on_drop: false }`
[INFO] [stdout] 7c87ac41bcaac407e567e01c0acca13400d8e2391140179dff8af340c938a293