[INFO] cloning repository https://github.com/dmrolfs/proctor-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmrolfs/proctor-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmrolfs%2Fproctor-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmrolfs%2Fproctor-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae0f22c1b44aac1361c8d5d019d6eefc21f7b31c
[INFO] testing dmrolfs/proctor-rs against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmrolfs%2Fproctor-rs" "/workspace/builds/worker-97/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-97/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmrolfs/proctor-rs on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmrolfs/proctor-rs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/dmrolfs/proctor-rs
[INFO] tweaked toml for git repo https://github.com/dmrolfs/proctor-rs written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate git repo https://github.com/dmrolfs/proctor-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/dmrolfs/pretty-snowflake-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded if_chain v1.0.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded tracing-bunyan-formatter v0.3.1
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded symbolic-common v8.5.0
[INFO] [stderr]   Downloaded findshlibs v0.10.2
[INFO] [stderr]   Downloaded claim v0.5.0
[INFO] [stderr]   Downloaded enum-display-derive v0.1.1
[INFO] [stderr]   Downloaded rand_distr v0.4.2
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded ena v0.14.0
[INFO] [stderr]   Downloaded string_cache v0.8.2
[INFO] [stderr]   Downloaded tailcall-impl v0.1.6
[INFO] [stderr]   Downloaded reqwest-retry v0.1.3
[INFO] [stderr]   Downloaded handlebars v4.1.5
[INFO] [stderr]   Downloaded flexbuffers v2.0.0
[INFO] [stderr]   Downloaded rs-snowflake v0.5.0
[INFO] [stderr]   Downloaded ascii-canvas v3.0.0
[INFO] [stderr]   Downloaded oso-derive v0.24.0
[INFO] [stderr]   Downloaded lalrpop-util v0.19.6
[INFO] [stderr]   Downloaded polar-core v0.24.0
[INFO] [stderr]   Downloaded pretty-type-name v1.0.0
[INFO] [stderr]   Downloaded cast_trait_object_macros v0.1.3
[INFO] [stderr]   Downloaded trim-margin v0.1.0
[INFO] [stderr]   Downloaded cast_trait_object v0.1.3
[INFO] [stderr]   Downloaded oso v0.24.0
[INFO] [stderr]   Downloaded validator_types v0.14.0
[INFO] [stderr]   Downloaded validator v0.14.0
[INFO] [stderr]   Downloaded validator_derive v0.14.0
[INFO] [stderr]   Downloaded protobuf v2.25.2
[INFO] [stderr]   Downloaded tailcall v0.1.6
[INFO] [stderr]   Downloaded ron v0.7.0
[INFO] [stderr]   Downloaded prometheus-static-metric v0.5.1
[INFO] [stderr]   Downloaded retry-policies v0.1.1
[INFO] [stderr]   Downloaded serde-transcode v1.1.1
[INFO] [stderr]   Downloaded lalrpop v0.19.6
[INFO] [stderr]   Downloaded inferno v0.10.8
[INFO] [stderr]   Downloaded pprof v0.6.1
[INFO] [stderr]   Downloaded debugid v0.7.2
[INFO] [stderr]   Downloaded paste v1.0.6
[INFO] [stderr]   Downloaded cpp_demangle v0.3.4
[INFO] [stderr]   Downloaded rgb v0.8.29
[INFO] [stderr]   Downloaded procfs v0.10.1
[INFO] [stderr]   Downloaded prometheus v0.13.0
[INFO] [stderr]   Downloaded symbolic-demangle v8.5.0
[INFO] [stderr]   Downloaded reqwest-middleware v0.1.2
[INFO] [stderr]   Downloaded task-local-extensions v0.1.1
[INFO] [stderr]   Downloaded tracing-flame v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6484b79243e2da4c02e5ea525c5afbac2b478bae1bb58557bd65d753dbbdb068
[INFO] running `Command { std: "docker" "start" "-a" "6484b79243e2da4c02e5ea525c5afbac2b478bae1bb58557bd65d753dbbdb068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6484b79243e2da4c02e5ea525c5afbac2b478bae1bb58557bd65d753dbbdb068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6484b79243e2da4c02e5ea525c5afbac2b478bae1bb58557bd65d753dbbdb068", kill_on_drop: false }`
[INFO] [stdout] 6484b79243e2da4c02e5ea525c5afbac2b478bae1bb58557bd65d753dbbdb068
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c02a6ca1622190f188455f6aedc180b092b5843bd6c5d7fd9c4a7da671bb4c
[INFO] running `Command { std: "docker" "start" "-a" "37c02a6ca1622190f188455f6aedc180b092b5843bd6c5d7fd9c4a7da671bb4c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling lalrpop-util v0.19.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling prometheus v0.13.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling pretty-type-name v1.0.0
[INFO] [stderr]    Compiling rs-snowflake v0.5.0
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling trim-margin v0.1.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling ena v0.14.0
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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=c25dc19d7487cdf7 -C extra-filename=-c25dc19d7487cdf7 --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" "37c02a6ca1622190f188455f6aedc180b092b5843bd6c5d7fd9c4a7da671bb4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c02a6ca1622190f188455f6aedc180b092b5843bd6c5d7fd9c4a7da671bb4c", kill_on_drop: false }`
[INFO] [stdout] 37c02a6ca1622190f188455f6aedc180b092b5843bd6c5d7fd9c4a7da671bb4c