[INFO] cloning repository https://github.com/kil0meters/sentinel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kil0meters/sentinel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkil0meters%2Fsentinel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkil0meters%2Fsentinel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 563439e8e58bda0b92a9a2c87958f6dff7a2e19b
[INFO] testing kil0meters/sentinel against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkil0meters%2Fsentinel" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kil0meters/sentinel on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kil0meters/sentinel
[INFO] finished tweaking git repo https://github.com/kil0meters/sentinel
[INFO] tweaked toml for git repo https://github.com/kil0meters/sentinel written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/kil0meters/sentinel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c37c306e5afa780557571acc1c472c9e437ed92b4fc2cb9265ab9af7ebd44df7
[INFO] running `Command { std: "docker" "start" "-a" "c37c306e5afa780557571acc1c472c9e437ed92b4fc2cb9265ab9af7ebd44df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c37c306e5afa780557571acc1c472c9e437ed92b4fc2cb9265ab9af7ebd44df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37c306e5afa780557571acc1c472c9e437ed92b4fc2cb9265ab9af7ebd44df7", kill_on_drop: false }`
[INFO] [stdout] c37c306e5afa780557571acc1c472c9e437ed92b4fc2cb9265ab9af7ebd44df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd1eee12a514b67bc93d091216129c14ebe1b56d4c08b6577c615a933e131ea2
[INFO] running `Command { std: "docker" "start" "-a" "dd1eee12a514b67bc93d091216129c14ebe1b56d4c08b6577c615a933e131ea2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling futures v0.1.21
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling byteorder v1.2.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling gio v0.4.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling cairo-rs v0.4.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.4.0
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling c_vec v1.2.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling gdk v0.8.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling gtk v0.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling sentinel-gtk v0.1.0 (/opt/rustwide/workdir/sentinel-gtk)
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> sentinel-gtk/build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::Command;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[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 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=1348073dc5ce83ba -C extra-filename=-1348073dc5ce83ba --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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dd1eee12a514b67bc93d091216129c14ebe1b56d4c08b6577c615a933e131ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1eee12a514b67bc93d091216129c14ebe1b56d4c08b6577c615a933e131ea2", kill_on_drop: false }`
[INFO] [stdout] dd1eee12a514b67bc93d091216129c14ebe1b56d4c08b6577c615a933e131ea2
