[INFO] cloning repository https://github.com/RussTheAerialist/potinv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RussTheAerialist/potinv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussTheAerialist%2Fpotinv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussTheAerialist%2Fpotinv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fd06664d473b4b06db022d365f6b4c07d25679f
[INFO] testing RussTheAerialist/potinv against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussTheAerialist%2Fpotinv" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RussTheAerialist/potinv on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RussTheAerialist/potinv
[INFO] finished tweaking git repo https://github.com/RussTheAerialist/potinv
[INFO] tweaked toml for git repo https://github.com/RussTheAerialist/potinv written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/RussTheAerialist/potinv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f95225872ade453ddbc71b7a0bb4e50b26c650f75c1a82af873445a83126ffa
[INFO] running `Command { std: "docker" "start" "-a" "7f95225872ade453ddbc71b7a0bb4e50b26c650f75c1a82af873445a83126ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f95225872ade453ddbc71b7a0bb4e50b26c650f75c1a82af873445a83126ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f95225872ade453ddbc71b7a0bb4e50b26c650f75c1a82af873445a83126ffa", kill_on_drop: false }`
[INFO] [stdout] 7f95225872ade453ddbc71b7a0bb4e50b26c650f75c1a82af873445a83126ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90d02f2cd40e3792bc709a18bb0262974c2a91e26cec67a04139a2f6e01aee5a
[INFO] running `Command { std: "docker" "start" "-a" "90d02f2cd40e3792bc709a18bb0262974c2a91e26cec67a04139a2f6e01aee5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.12
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[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-0.6.14/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="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=cd9d0695cc35a42d -C extra-filename=-cd9d0695cc35a42d --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" "90d02f2cd40e3792bc709a18bb0262974c2a91e26cec67a04139a2f6e01aee5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d02f2cd40e3792bc709a18bb0262974c2a91e26cec67a04139a2f6e01aee5a", kill_on_drop: false }`
[INFO] [stdout] 90d02f2cd40e3792bc709a18bb0262974c2a91e26cec67a04139a2f6e01aee5a