[INFO] crate hyperbuild 0.0.44 is already in cache
[INFO] testing hyperbuild-0.0.44 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate hyperbuild 0.0.44 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hyperbuild 0.0.44 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hyperbuild 0.0.44
[INFO] finished tweaking crates.io crate hyperbuild 0.0.44
[INFO] tweaked toml for crates.io crate hyperbuild 0.0.44 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate hyperbuild 0.0.44 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7108b5e919a43cc5bb833b8c647ed2e52a970f1ac3a405d901541d10b1ed2c49
[INFO] running `"docker" "start" "-a" "7108b5e919a43cc5bb833b8c647ed2e52a970f1ac3a405d901541d10b1ed2c49"`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fastrie v0.0.6
[INFO] [stderr]    Compiling cascade v0.1.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.10
[INFO] [stderr]    Compiling proc-macro-error v0.4.10
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling structopt v0.3.9
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling hyperbuild v0.0.44 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `name_words`
[INFO] [stderr]   --> build.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn name_words(n: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `snake_case`
[INFO] [stderr]   --> build.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn snake_case(n: &Vec<String>) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `camel_case`
[INFO] [stderr]   --> build.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn camel_case(n: &Vec<String>) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `hyperbuild`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name hyperbuild --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=e5b7682814dc3577 -C extra-filename=-e5b7682814dc3577 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cascade=/opt/rustwide/target/debug/deps/libcascade-80fe8f135ffef824.rmeta --extern fastrie=/opt/rustwide/target/debug/deps/libfastrie-6709f11adb9c40e1.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-549dad48438e4c6f.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-29072c0104ba9dab.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "7108b5e919a43cc5bb833b8c647ed2e52a970f1ac3a405d901541d10b1ed2c49"`
[INFO] running `"docker" "rm" "-f" "7108b5e919a43cc5bb833b8c647ed2e52a970f1ac3a405d901541d10b1ed2c49"`
[INFO] [stdout] 7108b5e919a43cc5bb833b8c647ed2e52a970f1ac3a405d901541d10b1ed2c49