[INFO] cloning repository https://github.com/jcaesar/ftp2mfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcaesar/ftp2mfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcaesar%2Fftp2mfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcaesar%2Fftp2mfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 778e53ed47b811e27a9858cca6675c2bb71b53e8
[INFO] checking jcaesar/ftp2mfs against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcaesar%2Fftp2mfs" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcaesar/ftp2mfs on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jcaesar/ftp2mfs
[INFO] finished tweaking git repo https://github.com/jcaesar/ftp2mfs
[INFO] tweaked toml for git repo https://github.com/jcaesar/ftp2mfs written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/jcaesar/ftp2mfs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-multipart-rfc7578 v0.4.0-rc
[INFO] [stderr]   Downloaded common-multipart-rfc7578 v0.2.0-rc
[INFO] [stderr]   Downloaded common-multipart-rfc7578 v0.3.0
[INFO] [stderr]   Downloaded async-compression v0.3.8
[INFO] [stderr]   Downloaded atomic-shim v0.1.0
[INFO] [stderr]   Downloaded priority-queue v1.1.1
[INFO] [stderr]   Downloaded ipfs-api v0.11.0
[INFO] [stderr]   Downloaded hexdump v0.1.1
[INFO] [stderr]   Downloaded unix_mode v0.1.1
[INFO] [stderr]   Downloaded async_ftp v5.0.0
[INFO] [stderr]   Downloaded ipfs-api v0.8.0-rc.2
[INFO] [stderr]   Downloaded hyper-multipart-rfc7578 v0.5.0
[INFO] [stderr]   Downloaded serde-humantime v0.1.1
[INFO] [stderr]   Downloaded cht v0.4.1
[INFO] [stderr]   Downloaded raw-cpuid v9.1.1
[INFO] [stderr]   Downloaded quanta v0.7.2
[INFO] [stderr]   Downloaded moka v0.3.1
[INFO] [stderr]   Downloaded typed-builder v0.9.0
[INFO] [stderr]   Downloaded proxy-protocol v0.3.0
[INFO] [stderr]   Downloaded libunftp v0.17.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d7c326a72850b90dd786210051c5a49e79f2b49e44dbbe34c9640c6ee0f3e89
[INFO] running `Command { std: "docker" "start" "-a" "6d7c326a72850b90dd786210051c5a49e79f2b49e44dbbe34c9640c6ee0f3e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d7c326a72850b90dd786210051c5a49e79f2b49e44dbbe34c9640c6ee0f3e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7c326a72850b90dd786210051c5a49e79f2b49e44dbbe34c9640c6ee0f3e89", kill_on_drop: false }`
[INFO] [stdout] 6d7c326a72850b90dd786210051c5a49e79f2b49e44dbbe34c9640c6ee0f3e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05f3802a113367eccd93a24d66739316f4188e48d3ba80b7280962db57da793
[INFO] running `Command { std: "docker" "start" "-a" "e05f3802a113367eccd93a24d66739316f4188e48d3ba80b7280962db57da793", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling protobuf v2.24.1
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling moka v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking arc-swap v1.3.0
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking unix_mode v0.1.1
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling priority-queue v1.1.1
[INFO] [stderr]     Checking brotli-decompressor v2.3.1
[INFO] [stderr]     Checking raw-cpuid v9.1.1
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking rand v0.3.23
[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 --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=c3aa7da090b61135 -C extra-filename=-c3aa7da090b61135 --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" "e05f3802a113367eccd93a24d66739316f4188e48d3ba80b7280962db57da793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05f3802a113367eccd93a24d66739316f4188e48d3ba80b7280962db57da793", kill_on_drop: false }`
[INFO] [stdout] e05f3802a113367eccd93a24d66739316f4188e48d3ba80b7280962db57da793