[INFO] fetching crate euc 0.5.3...
[INFO] testing euc-0.5.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate euc 0.5.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate euc 0.5.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate euc 0.5.3
[INFO] finished tweaking crates.io crate euc 0.5.3
[INFO] tweaked toml for crates.io crate euc 0.5.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate euc 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbe47dfa610221438b81d4ad65ed314ae2bf2142b5e4023c537470ae22aba8cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dbe47dfa610221438b81d4ad65ed314ae2bf2142b5e4023c537470ae22aba8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe47dfa610221438b81d4ad65ed314ae2bf2142b5e4023c537470ae22aba8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe47dfa610221438b81d4ad65ed314ae2bf2142b5e4023c537470ae22aba8cc", kill_on_drop: false }`
[INFO] [stdout] dbe47dfa610221438b81d4ad65ed314ae2bf2142b5e4023c537470ae22aba8cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3fce187c53579422d131bb5964288c60476ad2ef992fadc281705770a08b1bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3fce187c53579422d131bb5964288c60476ad2ef992fadc281705770a08b1bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling vek v0.14.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling euc v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 44.51s
[INFO] running `Command { std: "docker" "inspect" "c3fce187c53579422d131bb5964288c60476ad2ef992fadc281705770a08b1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3fce187c53579422d131bb5964288c60476ad2ef992fadc281705770a08b1bb", kill_on_drop: false }`
[INFO] [stdout] c3fce187c53579422d131bb5964288c60476ad2ef992fadc281705770a08b1bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831852dc0fc3c0a14c2f0012daa532d6c3e4fa3b61d2a1eac8c3128624f68759
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "831852dc0fc3c0a14c2f0012daa532d6c3e4fa3b61d2a1eac8c3128624f68759", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling once_cell v1.6.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling weezl v0.1.4
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling tobj v2.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling clang-sys v1.1.1
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling minifb v0.19.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling env_logger v0.8.3
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.22/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --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=800fa821347995f5 -C extra-filename=-800fa821347995f5 --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" "831852dc0fc3c0a14c2f0012daa532d6c3e4fa3b61d2a1eac8c3128624f68759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831852dc0fc3c0a14c2f0012daa532d6c3e4fa3b61d2a1eac8c3128624f68759", kill_on_drop: false }`
[INFO] [stdout] 831852dc0fc3c0a14c2f0012daa532d6c3e4fa3b61d2a1eac8c3128624f68759