[INFO] cloning repository https://github.com/Meganaa999/pr_requests_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Meganaa999/pr_requests_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeganaa999%2Fpr_requests_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeganaa999%2Fpr_requests_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a26a0a4eecfad888d38afb266cf8544d906edbe2
[INFO] checking Meganaa999/pr_requests_demo against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeganaa999%2Fpr_requests_demo" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Meganaa999/pr_requests_demo on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Meganaa999/pr_requests_demo
[INFO] finished tweaking git repo https://github.com/Meganaa999/pr_requests_demo
[INFO] tweaked toml for git repo https://github.com/Meganaa999/pr_requests_demo written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Meganaa999/pr_requests_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 071c60c03458f20a5be551dfd458c2edcf5e8ff7001b4b7e9e74dbb206db0863
[INFO] running `Command { std: "docker" "start" "-a" "071c60c03458f20a5be551dfd458c2edcf5e8ff7001b4b7e9e74dbb206db0863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "071c60c03458f20a5be551dfd458c2edcf5e8ff7001b4b7e9e74dbb206db0863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071c60c03458f20a5be551dfd458c2edcf5e8ff7001b4b7e9e74dbb206db0863", kill_on_drop: false }`
[INFO] [stdout] 071c60c03458f20a5be551dfd458c2edcf5e8ff7001b4b7e9e74dbb206db0863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df6132ad0ab2a080be5345f028de4db528e204ebc28e6d9ed1344fbe03aa8e47
[INFO] running `Command { std: "docker" "start" "-a" "df6132ad0ab2a080be5345f028de4db528e204ebc28e6d9ed1344fbe03aa8e47", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking futures-core v0.3.10
[INFO] [stderr]     Checking futures-sink v0.3.10
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.10
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking heed-traits v0.7.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking deunicode v1.1.1
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking slice-group-by v0.2.6
[INFO] [stderr]     Checking cow-utils v0.1.2
[INFO] [stderr]     Checking sdset v0.4.0
[INFO] [stderr]     Checking compact_arena v0.4.1
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking chunked_transfer v1.3.0
[INFO] [stderr]     Checking main_error v0.1.1
[INFO] [stderr]     Checking whoami v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking futures-channel v0.3.10
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking futures-task v0.3.10
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking cedarwood v0.4.4
[INFO] [stderr]     Checking intervaltree v0.2.6
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]    Compiling standback v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling time v0.2.24
[INFO] [stderr]    Compiling cookie v0.14.3
[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 im v14.3.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking pest v2.1.3 (https://github.com/pest-parser/pest.git?rev=51fd1d49f1041f7839975664ef71fe15c7dcaf67#51fd1d49)
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[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-0.6.22/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=7e4751b993abafcb -C extra-filename=-7e4751b993abafcb --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" "df6132ad0ab2a080be5345f028de4db528e204ebc28e6d9ed1344fbe03aa8e47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6132ad0ab2a080be5345f028de4db528e204ebc28e6d9ed1344fbe03aa8e47", kill_on_drop: false }`
[INFO] [stdout] df6132ad0ab2a080be5345f028de4db528e204ebc28e6d9ed1344fbe03aa8e47