[INFO] cloning repository https://github.com/nikhiljha/blockcampus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikhiljha/blockcampus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhiljha%2Fblockcampus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhiljha%2Fblockcampus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 034de8d513faa09d148e80e3c02adb95c507057c
[INFO] testing nikhiljha/blockcampus against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhiljha%2Fblockcampus" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikhiljha/blockcampus on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikhiljha/blockcampus
[INFO] finished tweaking git repo https://github.com/nikhiljha/blockcampus
[INFO] tweaked toml for git repo https://github.com/nikhiljha/blockcampus written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nikhiljha/blockcampus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97fa3d8c03b1b978af5aed645c41aedb6655d5c2853b18d95044e37f2c1dfbf2
[INFO] running `Command { std: "docker" "start" "-a" "97fa3d8c03b1b978af5aed645c41aedb6655d5c2853b18d95044e37f2c1dfbf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97fa3d8c03b1b978af5aed645c41aedb6655d5c2853b18d95044e37f2c1dfbf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fa3d8c03b1b978af5aed645c41aedb6655d5c2853b18d95044e37f2c1dfbf2", kill_on_drop: false }`
[INFO] [stdout] 97fa3d8c03b1b978af5aed645c41aedb6655d5c2853b18d95044e37f2c1dfbf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e53c7f0ce2332fc7eee5217869ac005756877b6a77808a3751cb704a883f2de
[INFO] running `Command { std: "docker" "start" "-a" "8e53c7f0ce2332fc7eee5217869ac005756877b6a77808a3751cb704a883f2de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.24
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling pin-project-lite v0.1.8
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling v_escape v0.13.1
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling v_htmlescape v0.10.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling ascii_utils v0.9.3
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.16
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling bytestring v0.1.5
[INFO] [stderr]    Compiling buf-min v0.1.1
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling fast_chemail v0.9.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling generic-array v0.14.4
[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-0.6.18/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=0bf2c0c5f07aac96 -C extra-filename=-0bf2c0c5f07aac96 --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" "8e53c7f0ce2332fc7eee5217869ac005756877b6a77808a3751cb704a883f2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e53c7f0ce2332fc7eee5217869ac005756877b6a77808a3751cb704a883f2de", kill_on_drop: false }`
[INFO] [stdout] 8e53c7f0ce2332fc7eee5217869ac005756877b6a77808a3751cb704a883f2de