[INFO] fetching crate mdbook-linkcheck 0.7.7...
[INFO] testing mdbook-linkcheck-0.7.7 against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051
[INFO] extracting crate mdbook-linkcheck 0.7.7 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mdbook-linkcheck 0.7.7 on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate mdbook-linkcheck 0.7.7
[INFO] finished tweaking crates.io crate mdbook-linkcheck 0.7.7
[INFO] tweaked toml for crates.io crate mdbook-linkcheck 0.7.7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate mdbook-linkcheck 0.7.7 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" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linkcheck v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3264e3d648e49a56f7093a6bdd4c200b15eff1c6ee6e7011e035c9b9e7645203
[INFO] running `Command { std: "docker" "start" "-a" "3264e3d648e49a56f7093a6bdd4c200b15eff1c6ee6e7011e035c9b9e7645203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3264e3d648e49a56f7093a6bdd4c200b15eff1c6ee6e7011e035c9b9e7645203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3264e3d648e49a56f7093a6bdd4c200b15eff1c6ee6e7011e035c9b9e7645203", kill_on_drop: false }`
[INFO] [stdout] 3264e3d648e49a56f7093a6bdd4c200b15eff1c6ee6e7011e035c9b9e7645203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--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@sha256:9042d5c95763f71f7b0904716b98ccadf9fc47b0f382ee962aaaed2ac70c9b8d" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06f19fa084aa6307fcea35a729793f8e89872cce6f871bdf0da25bdb69107c3b
[INFO] running `Command { std: "docker" "start" "-a" "06f19fa084aa6307fcea35a729793f8e89872cce6f871bdf0da25bdb69107c3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-sink v0.3.24
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling openssl-src v111.22.0+1.1.1q
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling futures-io v0.3.24
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tracing v0.1.36
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling textwrap v0.15.1
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling clap v3.2.22
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.50
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.21.2/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 debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="winapi"' -C metadata=a8858eb6449c133c -C extra-filename=-a8858eb6449c133c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-5e6b89f5bbd0cc67.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-bb0933dcfda1f144.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-4fce41623cec2314.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-cf265d256c1f1f3f.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-ba0edb25cdfb0b08.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-f2671a56a138cdc1.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-980985d8092d6e55.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "06f19fa084aa6307fcea35a729793f8e89872cce6f871bdf0da25bdb69107c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f19fa084aa6307fcea35a729793f8e89872cce6f871bdf0da25bdb69107c3b", kill_on_drop: false }`
[INFO] [stdout] 06f19fa084aa6307fcea35a729793f8e89872cce6f871bdf0da25bdb69107c3b