[INFO] fetching crate basic-http-server 0.8.1...
[INFO] testing basic-http-server-0.8.1 against try#ddc023471205c186b40f4bf8ffb598008dbf4885 for pr-87041-1
[INFO] extracting crate basic-http-server 0.8.1 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate basic-http-server 0.8.1 on toolchain ddc023471205c186b40f4bf8ffb598008dbf4885
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basic-http-server 0.8.1
[INFO] finished tweaking crates.io crate basic-http-server 0.8.1
[INFO] tweaked toml for crates.io crate basic-http-server 0.8.1 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate basic-http-server 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5146529227ab2c8a20a636e89c8af1f39a278961406c792b1f7066f585cb7a4
[INFO] running `Command { std: "docker" "start" "-a" "a5146529227ab2c8a20a636e89c8af1f39a278961406c792b1f7066f585cb7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5146529227ab2c8a20a636e89c8af1f39a278961406c792b1f7066f585cb7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5146529227ab2c8a20a636e89c8af1f39a278961406c792b1f7066f585cb7a4", kill_on_drop: false }`
[INFO] [stdout] a5146529227ab2c8a20a636e89c8af1f39a278961406c792b1f7066f585cb7a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ddc023471205c186b40f4bf8ffb598008dbf4885" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73a81c2e80b8ab392019d6008818e9da22a1bc60bdca4bfc7fe56b2fc6c58242
[INFO] running `Command { std: "docker" "start" "-a" "73a81c2e80b8ab392019d6008818e9da22a1bc60bdca4bfc7fe56b2fc6c58242", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling tower-service v0.3.0-alpha.2
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[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-0.6.12/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --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=4055627397d2cec7 -C extra-filename=-4055627397d2cec7 --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" "73a81c2e80b8ab392019d6008818e9da22a1bc60bdca4bfc7fe56b2fc6c58242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73a81c2e80b8ab392019d6008818e9da22a1bc60bdca4bfc7fe56b2fc6c58242", kill_on_drop: false }`
[INFO] [stdout] 73a81c2e80b8ab392019d6008818e9da22a1bc60bdca4bfc7fe56b2fc6c58242