[INFO] fetching crate hck 0.7.1...
[INFO] building hck-0.7.1 against try#8aaecdf5df68a6fbc126704e44d399ba2fe66bf2 for pr-94962
[INFO] extracting crate hck 0.7.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate hck 0.7.1 on toolchain 8aaecdf5df68a6fbc126704e44d399ba2fe66bf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hck 0.7.1
[INFO] finished tweaking crates.io crate hck 0.7.1
[INFO] tweaked toml for crates.io crate hck 0.7.1 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate hck 0.7.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96f17dc1d6291895c4cda7285b9151e764abbd5df8c5545a41bfc7ce2accc4d9
[INFO] running `Command { std: "docker" "start" "-a" "96f17dc1d6291895c4cda7285b9151e764abbd5df8c5545a41bfc7ce2accc4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96f17dc1d6291895c4cda7285b9151e764abbd5df8c5545a41bfc7ce2accc4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f17dc1d6291895c4cda7285b9151e764abbd5df8c5545a41bfc7ce2accc4d9", kill_on_drop: false }`
[INFO] [stdout] 96f17dc1d6291895c4cda7285b9151e764abbd5df8c5545a41bfc7ce2accc4d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd2414568009b53a8321008f4f93bd170532c8fe0252393b63423b307d4a5eca
[INFO] running `Command { std: "docker" "start" "-a" "cd2414568009b53a8321008f4f93bd170532c8fe0252393b63423b307d4a5eca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling core_affinity v0.5.10
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling ripline v0.1.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0
[INFO] [stderr]    Compiling libdeflate-sys v0.7.3
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling libdeflater v0.7.3
[INFO] [stderr]    Compiling grep-cli v0.1.6
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr] error: could not compile `clap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/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 --cfg 'feature="ansi_term"' --cfg 'feature="atty"' --cfg 'feature="color"' --cfg 'feature="default"' --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --cfg 'feature="vec_map"' -C metadata=d529b4e9e08e0624 -C extra-filename=-d529b4e9e08e0624 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-76ca62e328105e50.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-f5f4cc8512c7fb69.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6d05264d59b50f7f.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-c0d73e3d44b574a0.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-5fec79f426ca26e0.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-6da279cd4f865ec2.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-dab3909866655c61.rmeta --cap-lints allow --cap-lints=forbid` (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" "cd2414568009b53a8321008f4f93bd170532c8fe0252393b63423b307d4a5eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2414568009b53a8321008f4f93bd170532c8fe0252393b63423b307d4a5eca", kill_on_drop: false }`
[INFO] [stdout] cd2414568009b53a8321008f4f93bd170532c8fe0252393b63423b307d4a5eca