[INFO] fetching crate mun_skeptic 0.1.0...
[INFO] checking mun_skeptic-0.1.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate mun_skeptic 0.1.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate mun_skeptic 0.1.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mun_skeptic 0.1.0
[INFO] finished tweaking crates.io crate mun_skeptic 0.1.0
[INFO] tweaked toml for crates.io crate mun_skeptic 0.1.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fa44313c818a1e1224d959cb8553645bb7fe8f118d16caccc45c57e60bfb332
[INFO] running `Command { std: "docker" "start" "-a" "6fa44313c818a1e1224d959cb8553645bb7fe8f118d16caccc45c57e60bfb332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fa44313c818a1e1224d959cb8553645bb7fe8f118d16caccc45c57e60bfb332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa44313c818a1e1224d959cb8553645bb7fe8f118d16caccc45c57e60bfb332", kill_on_drop: false }`
[INFO] [stdout] 6fa44313c818a1e1224d959cb8553645bb7fe8f118d16caccc45c57e60bfb332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d745734f66125870a7bd8cc689b7edb6ba03be0549b462b057d44369f66c09a
[INFO] running `Command { std: "docker" "start" "-a" "7d745734f66125870a7bd8cc689b7edb6ba03be0549b462b057d44369f66c09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking relative-path v1.5.0
[INFO] [stderr]    Compiling mun_target v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]    Compiling inkwell v0.1.0-beta.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking by_address v1.0.4
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking yansi-term v0.1.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking annotate-snippets v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking open v1.7.1
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking lockfile v0.2.2
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking mun_paths v0.1.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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=c25dc19d7487cdf7 -C extra-filename=-c25dc19d7487cdf7 --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" "7d745734f66125870a7bd8cc689b7edb6ba03be0549b462b057d44369f66c09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d745734f66125870a7bd8cc689b7edb6ba03be0549b462b057d44369f66c09a", kill_on_drop: false }`
[INFO] [stdout] 7d745734f66125870a7bd8cc689b7edb6ba03be0549b462b057d44369f66c09a