[INFO] fetching crate mkbook 0.3.0...
[INFO] testing mkbook-0.3.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate mkbook 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mkbook 0.3.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mkbook 0.3.0
[INFO] finished tweaking crates.io crate mkbook 0.3.0
[INFO] tweaked toml for crates.io crate mkbook 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate mkbook 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ws v0.9.1
[INFO] [stderr]   Downloaded humansize v1.1.0
[INFO] [stderr]   Downloaded bincode v1.2.0
[INFO] [stderr]   Downloaded inotify v0.6.1
[INFO] [stderr]   Downloaded pest_meta v2.1.2
[INFO] [stderr]   Downloaded askama_derive v0.8.0
[INFO] [stderr]   Downloaded filetime v0.2.8
[INFO] [stderr]   Downloaded onig v5.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.103
[INFO] [stderr]   Downloaded pest v2.1.2
[INFO] [stderr]   Downloaded bstr v0.2.8
[INFO] [stderr]   Downloaded syntect v3.3.0
[INFO] [stderr]   Downloaded onig_sys v69.2.0
[INFO] [stderr]   Downloaded serde v1.0.103
[INFO] [stderr]   Downloaded notify v4.0.14
[INFO] [stderr]   Downloaded comrak v0.6.2
[INFO] [stderr]   Downloaded serde_json v1.0.42
[INFO] [stderr]   Downloaded ignore v0.4.10
[INFO] [stderr]   Downloaded pest_generator v2.1.1
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded sha-1 v0.8.1
[INFO] [stderr]   Downloaded sass-rs v0.2.2
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded askama_shared v0.8.0
[INFO] [stderr]   Downloaded mio-extras v2.0.5
[INFO] [stderr]   Downloaded askama v0.8.0
[INFO] [stderr]   Downloaded smallvec v1.0.0
[INFO] [stderr]   Downloaded plist v0.4.2
[INFO] [stderr]   Downloaded askama_escape v0.2.0
[INFO] [stderr]   Downloaded sass-sys v0.4.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cda3bf3dd6d33122859386bba0253b153c5fedf4a4089eeb185ab6ac06ee9fdc
[INFO] running `Command { std: "docker" "start" "-a" "cda3bf3dd6d33122859386bba0253b153c5fedf4a4089eeb185ab6ac06ee9fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cda3bf3dd6d33122859386bba0253b153c5fedf4a4089eeb185ab6ac06ee9fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda3bf3dd6d33122859386bba0253b153c5fedf4a4089eeb185ab6ac06ee9fdc", kill_on_drop: false }`
[INFO] [stdout] cda3bf3dd6d33122859386bba0253b153c5fedf4a4089eeb185ab6ac06ee9fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e3145a89b841ebab8853c0479d34434511b87b5bf6e5f0dd4410958d9d29450
[INFO] running `Command { std: "docker" "start" "-a" "0e3145a89b841ebab8853c0479d34434511b87b5bf6e5f0dd4410958d9d29450", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling smallvec v1.0.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling sass-sys v0.4.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-syntax-0.6.12/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="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=cd03ea55b36d1a9b -C extra-filename=-cd03ea55b36d1a9b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `clap` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name clap /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/clap-2.33.0/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=c68571d2d65efc32 -C extra-filename=-c68571d2d65efc32 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-0f11d90fd72c9653.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-9c9469d60ef43ecb.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6fb85bbad47a2529.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-79aff9b43535514a.rmeta --extern textwrap=/opt/rustwide/target/debug/deps/libtextwrap-767970e2ad9d78aa.rmeta --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-28933dec150c3b8d.rmeta --extern vec_map=/opt/rustwide/target/debug/deps/libvec_map-be909406558ce880.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.8/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=5315e2d0cb49ae24 -C extra-filename=-5315e2d0cb49ae24 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8e211c6c1a006c48.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6eecd4ebe190b67a.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-8f3c8e5bbb493050.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `pest_meta` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name pest_meta /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/pest_meta-2.1.2/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 metadata=30fa2d0c9c898c22 -C extra-filename=-30fa2d0c9c898c22 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-d9a79bcb63fc5878.rmeta --extern pest=/opt/rustwide/target/debug/deps/libpest-582e11e455ebb2fc.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `clang-sys` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name clang_sys /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/clang-sys-0.28.1/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 --cfg 'feature="clang_6_0"' --cfg 'feature="gte_clang_3_6"' --cfg 'feature="gte_clang_3_7"' --cfg 'feature="gte_clang_3_8"' --cfg 'feature="gte_clang_3_9"' --cfg 'feature="gte_clang_4_0"' --cfg 'feature="gte_clang_5_0"' --cfg 'feature="gte_clang_6_0"' --cfg 'feature="libloading"' --cfg 'feature="runtime"' -C metadata=0a794e0752a9c6b4 -C extra-filename=-0a794e0752a9c6b4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern glob=/opt/rustwide/target/debug/deps/libglob-75c7fd398ccc3c18.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-35c4b165760d42cd.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-5ea2e40fef5e1bb3.rmeta --cap-lints allow --cap-lints=warn -L native=/opt/rustwide/target/debug/build/libloading-30db8041f3826240/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `regex` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.1/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="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=4a77d0dc4e21fac9 -C extra-filename=-4a77d0dc4e21fac9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-399c1f00726415c3.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-59fb7c0764fc10a8.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-cd03ea55b36d1a9b.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-90c0d77ff8fe148e.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-0.15.44/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=3d1a00533f9463de -C extra-filename=-3d1a00533f9463de --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ab4cb50a84d89681.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5fbc4bc6500a2a94.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-104a77c0510d5d45.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "0e3145a89b841ebab8853c0479d34434511b87b5bf6e5f0dd4410958d9d29450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3145a89b841ebab8853c0479d34434511b87b5bf6e5f0dd4410958d9d29450", kill_on_drop: false }`
[INFO] [stdout] 0e3145a89b841ebab8853c0479d34434511b87b5bf6e5f0dd4410958d9d29450
