[INFO] fetching crate hyperbuild 0.0.45...
[INFO] checking hyperbuild-0.0.45 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate hyperbuild 0.0.45 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hyperbuild 0.0.45 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hyperbuild 0.0.45
[INFO] finished tweaking crates.io crate hyperbuild 0.0.45
[INFO] tweaked toml for crates.io crate hyperbuild 0.0.45 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate hyperbuild 0.0.45 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15d4c09ef0a2f9099bead1a5addc4ee0f92df5d52918826e9c865a40c828439c
[INFO] running `"docker" "start" "-a" "15d4c09ef0a2f9099bead1a5addc4ee0f92df5d52918826e9c865a40c828439c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking cascade v0.1.4
[INFO] [stderr]     Checking fastrie v0.0.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[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 v1.0.110
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling hyperbuild v0.0.45 (/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 -Cembed-bitcode=no -C debuginfo=2 -C metadata=742589dd5b8df940 -C extra-filename=-742589dd5b8df940 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cascade=/opt/rustwide/target/debug/deps/libcascade-2bd0a55aa7319f97.rmeta --extern fastrie=/opt/rustwide/target/debug/deps/libfastrie-8860a8c053e2f71c.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-975293d0cd08f0dc.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-1a9b8d46211878d5.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=610bdb603534fc6d -C extra-filename=-610bdb603534fc6d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cascade=/opt/rustwide/target/debug/deps/libcascade-2bd0a55aa7319f97.rmeta --extern fastrie=/opt/rustwide/target/debug/deps/libfastrie-8860a8c053e2f71c.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-975293d0cd08f0dc.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-1a9b8d46211878d5.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "15d4c09ef0a2f9099bead1a5addc4ee0f92df5d52918826e9c865a40c828439c"`
[INFO] running `"docker" "rm" "-f" "15d4c09ef0a2f9099bead1a5addc4ee0f92df5d52918826e9c865a40c828439c"`
[INFO] [stdout] 15d4c09ef0a2f9099bead1a5addc4ee0f92df5d52918826e9c865a40c828439c