[INFO] fetching crate mdbook-toc 0.7.0...
[INFO] checking mdbook-toc-0.7.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate mdbook-toc 0.7.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mdbook-toc 0.7.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-toc 0.7.0
[INFO] finished tweaking crates.io crate mdbook-toc 0.7.0
[INFO] tweaked toml for crates.io crate mdbook-toc 0.7.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate mdbook-toc 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36a3b8bc4b388dac75349ce0e1ebbb67ce176113a33664359d5faf06a2648e9f
[INFO] running `Command { std: "docker" "start" "-a" "36a3b8bc4b388dac75349ce0e1ebbb67ce176113a33664359d5faf06a2648e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36a3b8bc4b388dac75349ce0e1ebbb67ce176113a33664359d5faf06a2648e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a3b8bc4b388dac75349ce0e1ebbb67ce176113a33664359d5faf06a2648e9f", kill_on_drop: false }`
[INFO] [stdout] 36a3b8bc4b388dac75349ce0e1ebbb67ce176113a33664359d5faf06a2648e9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09f6fdc465e4208534e9a56187b3d8a7f372f300d9bc7ad7e7e3e3ffe46e8bac
[INFO] running `Command { std: "docker" "start" "-a" "09f6fdc465e4208534e9a56187b3d8a7f372f300d9bc7ad7e7e3e3ffe46e8bac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking shlex v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking gitignore v1.0.7
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr] error: could not compile `http`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.2.4/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=865455b9d368a194 -C extra-filename=-865455b9d368a194 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-415711830f3be7b8.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-8119fe42070d7285.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-7f596774c33c4a87.rmeta --cap-lints allow --cap-lints=warn` (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" "09f6fdc465e4208534e9a56187b3d8a7f372f300d9bc7ad7e7e3e3ffe46e8bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f6fdc465e4208534e9a56187b3d8a7f372f300d9bc7ad7e7e3e3ffe46e8bac", kill_on_drop: false }`
[INFO] [stdout] 09f6fdc465e4208534e9a56187b3d8a7f372f300d9bc7ad7e7e3e3ffe46e8bac
