[INFO] fetching crate hyperpolyglot 0.1.7...
[INFO] checking hyperpolyglot-0.1.7 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate hyperpolyglot 0.1.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hyperpolyglot 0.1.7 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hyperpolyglot 0.1.7
[INFO] finished tweaking crates.io crate hyperpolyglot 0.1.7
[INFO] tweaked toml for crates.io crate hyperpolyglot 0.1.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate hyperpolyglot 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] ab54c8f21591b0bf3fb9cee7526bad70a537b6c2783bbf098a5eba99577ed796
[INFO] running `Command { std: "docker" "start" "-a" "ab54c8f21591b0bf3fb9cee7526bad70a537b6c2783bbf098a5eba99577ed796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab54c8f21591b0bf3fb9cee7526bad70a537b6c2783bbf098a5eba99577ed796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab54c8f21591b0bf3fb9cee7526bad70a537b6c2783bbf098a5eba99577ed796", kill_on_drop: false }`
[INFO] [stdout] ab54c8f21591b0bf3fb9cee7526bad70a537b6c2783bbf098a5eba99577ed796
[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=forbid" "-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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32b59cfc0da2cf6c48a410d0a68be3ba1257d2d6781f701237115d90ff95f6c5
[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" "32b59cfc0da2cf6c48a410d0a68be3ba1257d2d6781f701237115d90ff95f6c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking siphasher v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking polyglot_tokenizer v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling pcre2-sys v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking pcre2 v0.2.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking phf_generator v0.8.0
[INFO] [stderr]     Checking phf_codegen v0.8.0
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking hyperpolyglot v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `hyperpolyglot`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name hyperpolyglot --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=d273d23b1c1a6a34 -C extra-filename=-d273d23b1c1a6a34 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-65c5e2de11e32407.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-5aaf9a8af18fab02.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-37f4104b3862e8b4.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-95a92f050ac67529.rmeta --extern pcre2=/opt/rustwide/target/debug/deps/libpcre2-af71155f1c1b3bd6.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-4ed50975c6a6647e.rmeta --extern phf_codegen=/opt/rustwide/target/debug/deps/libphf_codegen-b666b877580a7503.rmeta --extern polyglot_tokenizer=/opt/rustwide/target/debug/deps/libpolyglot_tokenizer-e4e8f6cffb27bfed.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-82e90b6113c036a8.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e8859f002d0e35aa.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-6ca9958eda28ffbe.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-2beb48ab77b4e51d.rmeta --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu` (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" "32b59cfc0da2cf6c48a410d0a68be3ba1257d2d6781f701237115d90ff95f6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b59cfc0da2cf6c48a410d0a68be3ba1257d2d6781f701237115d90ff95f6c5", kill_on_drop: false }`
[INFO] [stdout] 32b59cfc0da2cf6c48a410d0a68be3ba1257d2d6781f701237115d90ff95f6c5