[INFO] cloning repository https://github.com/rohankumardubey/grex [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rohankumardubey/grex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fgrex", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fgrex'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8b384c98f8a094344393181b425187465b783a66 [INFO] testing rohankumardubey/grex against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frohankumardubey%2Fgrex" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rohankumardubey/grex [INFO] finished tweaking git repo https://github.com/rohankumardubey/grex [INFO] tweaked toml for git repo https://github.com/rohankumardubey/grex written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rohankumardubey/grex on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rohankumardubey/grex already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59b95aed80bf98f8c15338bb286cb9a71faa45dd3ebd22ecd57116fa4152c2da [INFO] running `Command { std: "docker" "start" "-a" "59b95aed80bf98f8c15338bb286cb9a71faa45dd3ebd22ecd57116fa4152c2da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59b95aed80bf98f8c15338bb286cb9a71faa45dd3ebd22ecd57116fa4152c2da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59b95aed80bf98f8c15338bb286cb9a71faa45dd3ebd22ecd57116fa4152c2da", kill_on_drop: false }` [INFO] [stdout] 59b95aed80bf98f8c15338bb286cb9a71faa45dd3ebd22ecd57116fa4152c2da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0983aeff6ae0f70469b1706d0e195dd9eb19cb3e771caaef230ce7c535615292 [INFO] running `Command { std: "docker" "start" "-a" "0983aeff6ae0f70469b1706d0e195dd9eb19cb3e771caaef230ce7c535615292", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling unic-common v0.9.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling unic-char-range v0.9.0 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling fixedbitset v0.4.0 [INFO] [stderr] Compiling unic-char-property v0.9.0 [INFO] [stderr] Compiling unic-ucd-version v0.9.0 [INFO] [stderr] Compiling matrixmultiply v0.3.2 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling unic-ucd-category v0.9.0 [INFO] [stderr] Compiling clap_lex v0.2.2 [INFO] [stderr] Compiling petgraph v0.6.2 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling ndarray v0.15.6 [INFO] [stderr] Compiling clap_derive v3.2.15 [INFO] [stderr] Compiling clap v3.2.16 [INFO] [stderr] Compiling grex v1.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dfa.rs:69:34 [INFO] [stdout] | [INFO] [stdout] 69 | pub(crate) fn outgoing_edges(&self, state: State) -> Edges { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 69 | pub(crate) fn outgoing_edges(&self, state: State) -> Edges<'_, Grapheme, Directed> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.28s [INFO] running `Command { std: "docker" "inspect" "0983aeff6ae0f70469b1706d0e195dd9eb19cb3e771caaef230ce7c535615292", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0983aeff6ae0f70469b1706d0e195dd9eb19cb3e771caaef230ce7c535615292", kill_on_drop: false }` [INFO] [stdout] 0983aeff6ae0f70469b1706d0e195dd9eb19cb3e771caaef230ce7c535615292 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ecde3b4b98deccc8b18f39a5e18945f73e37e3056b96a9d94143d54f8ee3aff [INFO] running `Command { std: "docker" "start" "-a" "2ecde3b4b98deccc8b18f39a5e18945f73e37e3056b96a9d94143d54f8ee3aff", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling rayon-core v1.9.2 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling serde_json v1.0.80 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling rayon v1.5.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling fastrand v1.6.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling predicates-core v1.0.1 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling ndarray v0.15.6 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling float-cmp v0.9.0 [INFO] [stderr] Compiling difflib v0.4.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling rstest_macros v0.14.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling predicates-tree v1.0.1 [INFO] [stderr] Compiling rusty-fork v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling rand_xorshift v0.3.0 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling quick-error v2.0.0 [INFO] [stderr] Compiling indoc v1.0.7 [INFO] [stderr] Compiling proptest v1.0.0 [INFO] [stderr] Compiling predicates v2.1.1 [INFO] [stderr] error: could not compile `syn` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.86/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=196e9bd8aa7bb5a0 -C extra-filename=-1536fcae427062a6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9d599b053c0fc8fb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1bf12afc0ad0a4a9.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-467b3a2737902552.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2ecde3b4b98deccc8b18f39a5e18945f73e37e3056b96a9d94143d54f8ee3aff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ecde3b4b98deccc8b18f39a5e18945f73e37e3056b96a9d94143d54f8ee3aff", kill_on_drop: false }` [INFO] [stdout] 2ecde3b4b98deccc8b18f39a5e18945f73e37e3056b96a9d94143d54f8ee3aff