[INFO] fetching crate medea 0.2.0...
[INFO] checking medea-0.2.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate medea 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate medea 0.2.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate medea 0.2.0
[INFO] removed 2 missing tests
[INFO] finished tweaking crates.io crate medea 0.2.0
[INFO] tweaked toml for crates.io crate medea 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate medea 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded linked-hash-map v0.5.4
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded sha-1 v0.9.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded take_mut v0.2.2
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded futures-task v0.3.13
[INFO] [stderr]   Downloaded futures-io v0.3.13
[INFO] [stderr]   Downloaded slog-envlogger v2.2.0
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded form_urlencoded v1.0.1
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded tracing-futures v0.2.5
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded slog-json v2.3.0
[INFO] [stderr]   Downloaded async-trait v0.1.48
[INFO] [stderr]   Downloaded dtoa v0.4.8
[INFO] [stderr]   Downloaded foreign-types-shared v0.1.1
[INFO] [stderr]   Downloaded slog v2.7.0
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded rand v0.8.3
[INFO] [stderr]   Downloaded tempfile v3.2.0
[INFO] [stderr]   Downloaded prost v0.6.1
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
[INFO] [stderr]   Downloaded net2 v0.2.37
[INFO] [stderr]   Downloaded pin-project-lite v0.2.6
[INFO] [stderr]   Downloaded tower-util v0.3.1
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded http-body v0.3.1
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded futures v0.3.13
[INFO] [stderr]   Downloaded serde_derive v1.0.125
[INFO] [stderr]   Downloaded futures-core v0.3.13
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded urlencoding v1.1.1
[INFO] [stderr]   Downloaded tower-balance v0.3.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded tower-load v0.3.0
[INFO] [stderr]   Downloaded cookie v0.12.0
[INFO] [stderr]   Downloaded headers-core v0.2.0
[INFO] [stderr]   Downloaded matches v0.1.8
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded warp v0.2.5
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.73
[INFO] [stderr]   Downloaded tracing v0.1.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d0639ed26e1775b62d061e0c91256620863bd754cfe5c2ab48592a23477a96e
[INFO] running `Command { std: "docker" "start" "-a" "1d0639ed26e1775b62d061e0c91256620863bd754cfe5c2ab48592a23477a96e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d0639ed26e1775b62d061e0c91256620863bd754cfe5c2ab48592a23477a96e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0639ed26e1775b62d061e0c91256620863bd754cfe5c2ab48592a23477a96e", kill_on_drop: false }`
[INFO] [stdout] 1d0639ed26e1775b62d061e0c91256620863bd754cfe5c2ab48592a23477a96e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e90d3ee63c833b4400e455a6b44c4b9de6a33659d88cb49e1d36a44112bb9e27
[INFO] running `Command { std: "docker" "start" "-a" "e90d3ee63c833b4400e455a6b44c4b9de6a33659d88cb49e1d36a44112bb9e27", kill_on_drop: false }`
[INFO] [stderr] warning: profile package spec `medea-jason` in profile `release` did not match any packages
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling const_fn v0.4.6
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking vec-arena v1.1.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[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-0.6.23/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -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=0182220545070812 -C extra-filename=-0182220545070812 --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" "e90d3ee63c833b4400e455a6b44c4b9de6a33659d88cb49e1d36a44112bb9e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90d3ee63c833b4400e455a6b44c4b9de6a33659d88cb49e1d36a44112bb9e27", kill_on_drop: false }`
[INFO] [stdout] e90d3ee63c833b4400e455a6b44c4b9de6a33659d88cb49e1d36a44112bb9e27