[INFO] fetching crate hyperpolyglot 0.1.7...
[INFO] testing hyperpolyglot-0.1.7 against master#6c20ab744b0f82646d90ce9d25894823abc9c669 for pr-99093
[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 6c20ab744b0f82646d90ce9d25894823abc9c669
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "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" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded siphasher v0.3.1
[INFO] [stderr]   Downloaded pcre2 v0.2.3
[INFO] [stderr]   Downloaded regex v1.3.5
[INFO] [stderr]   Downloaded ignore v0.4.14
[INFO] [stderr]   Downloaded pcre2-sys v0.2.2
[INFO] [stderr]   Downloaded polyglot_tokenizer v0.2.1
[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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b58c67b69102aecbdeba75c7470a3cd31dab6c5d86974a9f37af3f821f2fac20
[INFO] running `Command { std: "docker" "start" "-a" "b58c67b69102aecbdeba75c7470a3cd31dab6c5d86974a9f37af3f821f2fac20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b58c67b69102aecbdeba75c7470a3cd31dab6c5d86974a9f37af3f821f2fac20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58c67b69102aecbdeba75c7470a3cd31dab6c5d86974a9f37af3f821f2fac20", kill_on_drop: false }`
[INFO] [stdout] b58c67b69102aecbdeba75c7470a3cd31dab6c5d86974a9f37af3f821f2fac20
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67f1b6930d36877020c13825941f27d92de95d56d199da7fa79d85d288b95f29
[INFO] running `Command { std: "docker" "start" "-a" "67f1b6930d36877020c13825941f27d92de95d56d199da7fa79d85d288b95f29", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling polyglot_tokenizer v0.2.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling pcre2-sys v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.0
[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 pcre2 v0.2.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling ignore v0.4.14
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling 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,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=93fff1f977e5156a -C extra-filename=-93fff1f977e5156a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-840c0266a0711316.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-20765f4d3799dd0c.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-70e9f68b90b714fd.rmeta --extern pcre2=/opt/rustwide/target/debug/deps/libpcre2-60a4c6a161255066.rmeta --extern phf=/opt/rustwide/target/debug/deps/libphf-ccafddb47718b1e0.rmeta --extern phf_codegen=/opt/rustwide/target/debug/deps/libphf_codegen-f3ee1578d218c8ce.rmeta --extern polyglot_tokenizer=/opt/rustwide/target/debug/deps/libpolyglot_tokenizer-122a9fccb13cc373.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-f5a377243fa5b693.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b44ea64ed6870209.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-09b44d65f3f97e74.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-b35edffea0b33e4c.rmeta --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "67f1b6930d36877020c13825941f27d92de95d56d199da7fa79d85d288b95f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f1b6930d36877020c13825941f27d92de95d56d199da7fa79d85d288b95f29", kill_on_drop: false }`
[INFO] [stdout] 67f1b6930d36877020c13825941f27d92de95d56d199da7fa79d85d288b95f29