[INFO] cloning repository https://github.com/mozilla/hglib-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mozilla/hglib-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fhglib-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fhglib-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ddcdecf98a60bb29557a339cbbb248542d3c6bfc
[INFO] testing mozilla/hglib-rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fhglib-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/hglib-rust on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mozilla/hglib-rust
[INFO] finished tweaking git repo https://github.com/mozilla/hglib-rust
[INFO] tweaked toml for git repo https://github.com/mozilla/hglib-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mozilla/hglib-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3e8c87e9c3fc451cf452425dd0ff0e7fa1ce8a8780db3c9e0b6cc16cc35cebd
[INFO] running `Command { std: "docker" "start" "-a" "a3e8c87e9c3fc451cf452425dd0ff0e7fa1ce8a8780db3c9e0b6cc16cc35cebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3e8c87e9c3fc451cf452425dd0ff0e7fa1ce8a8780db3c9e0b6cc16cc35cebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e8c87e9c3fc451cf452425dd0ff0e7fa1ce8a8780db3c9e0b6cc16cc35cebd", kill_on_drop: false }`
[INFO] [stdout] a3e8c87e9c3fc451cf452425dd0ff0e7fa1ce8a8780db3c9e0b6cc16cc35cebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccb598dbb84f8096f2f884affe2e5afd32fae9157605807521fc6079357b6c08
[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" "ccb598dbb84f8096f2f884affe2e5afd32fae9157605807521fc6079357b6c08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling subprocess v0.1.20
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling hglib-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]   --> src/client.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     msg: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `HglibError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/client.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.76s
[INFO] running `Command { std: "docker" "inspect" "ccb598dbb84f8096f2f884affe2e5afd32fae9157605807521fc6079357b6c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb598dbb84f8096f2f884affe2e5afd32fae9157605807521fc6079357b6c08", kill_on_drop: false }`
[INFO] [stdout] ccb598dbb84f8096f2f884affe2e5afd32fae9157605807521fc6079357b6c08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cecd15cecd6f05b78d75531c00cc83f22baed08a86b0ed2f8ec36cd9a1ed1c13
[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" "cecd15cecd6f05b78d75531c00cc83f22baed08a86b0ed2f8ec36cd9a1ed1c13", kill_on_drop: false }`
[INFO] [stderr]    Compiling hglib-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `msg`
[INFO] [stdout]   --> src/client.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     msg: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `HglibError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/client.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hglib-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name hglib --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=ff9838ef457c700e -C extra-filename=-ff9838ef457c700e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-a74b9be1416e611b.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-2b076215939be5de.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-3edcb84d12615a88.rlib --extern subprocess=/opt/rustwide/target/debug/deps/libsubprocess-c7a0453ad81993b2.rlib --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" "cecd15cecd6f05b78d75531c00cc83f22baed08a86b0ed2f8ec36cd9a1ed1c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cecd15cecd6f05b78d75531c00cc83f22baed08a86b0ed2f8ec36cd9a1ed1c13", kill_on_drop: false }`
[INFO] [stdout] cecd15cecd6f05b78d75531c00cc83f22baed08a86b0ed2f8ec36cd9a1ed1c13