[INFO] fetching crate snekdown 0.33.4...
[INFO] testing snekdown-0.33.4 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate snekdown 0.33.4 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate snekdown 0.33.4 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-85/source/rust-toolchain
[INFO] started tweaking crates.io crate snekdown 0.33.4
[INFO] finished tweaking crates.io crate snekdown 0.33.4
[INFO] tweaked toml for crates.io crate snekdown 0.33.4 written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] crate crates.io crate snekdown 0.33.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 nom_locate v2.1.0
[INFO] [stderr]   Downloaded notify v4.0.15
[INFO] [stderr]   Downloaded headless_chrome v0.9.0
[INFO] [stderr]   Downloaded scanlex v0.1.4
[INFO] [stderr]   Downloaded chrono-english v0.1.6
[INFO] [stderr]   Downloaded websocket v0.23.0
[INFO] [stderr]   Downloaded platform-dirs v0.2.0
[INFO] [stderr]   Downloaded bibliographix v0.6.0
[INFO] [stderr]   Downloaded charred v0.3.6
[INFO] [stderr]   Downloaded minify v1.2.0
[INFO] [stderr]   Downloaded gh-emoji v1.0.3
[INFO] [stderr]   Downloaded asciimath-rs v0.5.7
[INFO] [stderr]   Downloaded rsass v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4ca62041b9b0c95c91de55f410c4d8997bb39a8a0437289343f7552980325c2
[INFO] running `Command { std: "docker" "start" "-a" "d4ca62041b9b0c95c91de55f410c4d8997bb39a8a0437289343f7552980325c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4ca62041b9b0c95c91de55f410c4d8997bb39a8a0437289343f7552980325c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ca62041b9b0c95c91de55f410c4d8997bb39a8a0437289343f7552980325c2", kill_on_drop: false }`
[INFO] [stdout] d4ca62041b9b0c95c91de55f410c4d8997bb39a8a0437289343f7552980325c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6313eba9c1baefb26624fcc9e8434bcff655a538870b15722c344c484c029249
[INFO] running `Command { std: "docker" "start" "-a" "6313eba9c1baefb26624fcc9e8434bcff655a538870b15722c344c484c029249", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling weezl v0.1.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling scanlex v0.1.4
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling charred v0.3.6
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling minify v1.2.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling gif v0.11.2
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling asciimath-rs v0.5.7
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.67/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=179828e65b0b359f -C extra-filename=-179828e65b0b359f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "6313eba9c1baefb26624fcc9e8434bcff655a538870b15722c344c484c029249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6313eba9c1baefb26624fcc9e8434bcff655a538870b15722c344c484c029249", kill_on_drop: false }`
[INFO] [stdout] 6313eba9c1baefb26624fcc9e8434bcff655a538870b15722c344c484c029249