[INFO] fetching crate wterm 0.3.0...
[INFO] testing wterm-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate wterm 0.3.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate wterm 0.3.0 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 wterm 0.3.0
[INFO] finished tweaking crates.io crate wterm 0.3.0
[INFO] tweaked toml for crates.io crate wterm 0.3.0 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate crates.io crate wterm 0.3.0 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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] b64a46901b804b90eb991621f4477f3d586e5938756d73093bc0264e190058d0
[INFO] running `Command { std: "docker" "start" "-a" "b64a46901b804b90eb991621f4477f3d586e5938756d73093bc0264e190058d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b64a46901b804b90eb991621f4477f3d586e5938756d73093bc0264e190058d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64a46901b804b90eb991621f4477f3d586e5938756d73093bc0264e190058d0", kill_on_drop: false }`
[INFO] [stdout] b64a46901b804b90eb991621f4477f3d586e5938756d73093bc0264e190058d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] f28cf5fa634d91a7c43c8eb36ff3c9b9e0be10aa9b27f95bf11d07c32f339e05
[INFO] running `Command { std: "docker" "start" "-a" "f28cf5fa634d91a7c43c8eb36ff3c9b9e0be10aa9b27f95bf11d07c32f339e05", 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]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling actix-service v0.4.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling url v2.2.0
[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 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.21/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=a59b32f817cf8cc0 -C extra-filename=-a59b32f817cf8cc0 --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" "f28cf5fa634d91a7c43c8eb36ff3c9b9e0be10aa9b27f95bf11d07c32f339e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28cf5fa634d91a7c43c8eb36ff3c9b9e0be10aa9b27f95bf11d07c32f339e05", kill_on_drop: false }`
[INFO] [stdout] f28cf5fa634d91a7c43c8eb36ff3c9b9e0be10aa9b27f95bf11d07c32f339e05