[INFO] cloning repository https://github.com/aQaTL/rss-notifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aQaTL/rss-notifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaQaTL%2Frss-notifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaQaTL%2Frss-notifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a36b5921d6d1bc0cd8c4594bcf7f9d32557e155
[INFO] checking aQaTL/rss-notifier against master#1204400ab8da9830f6f77a5e40e7ad3ea459676a for pr-94295
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FaQaTL%2Frss-notifier" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aQaTL/rss-notifier on toolchain 1204400ab8da9830f6f77a5e40e7ad3ea459676a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aQaTL/rss-notifier
[INFO] finished tweaking git repo https://github.com/aQaTL/rss-notifier
[INFO] tweaked toml for git repo https://github.com/aQaTL/rss-notifier written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/aQaTL/rss-notifier already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ddd39381f6b796a8619109232659c7fbf68102fb1bfe0c86ebc99fe54377b56
[INFO] running `Command { std: "docker" "start" "-a" "9ddd39381f6b796a8619109232659c7fbf68102fb1bfe0c86ebc99fe54377b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ddd39381f6b796a8619109232659c7fbf68102fb1bfe0c86ebc99fe54377b56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ddd39381f6b796a8619109232659c7fbf68102fb1bfe0c86ebc99fe54377b56", kill_on_drop: false }`
[INFO] [stdout] 9ddd39381f6b796a8619109232659c7fbf68102fb1bfe0c86ebc99fe54377b56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1204400ab8da9830f6f77a5e40e7ad3ea459676a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80ee835dc461ecb7ea5279000d58d608002d2db168eac27eacff09cb06574d68
[INFO] running `Command { std: "docker" "start" "-a" "80ee835dc461ecb7ea5279000d58d608002d2db168eac27eacff09cb06574d68", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking http v0.2.1
[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-0.6.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --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=32be3be563f85566 -C extra-filename=-32be3be563f85566 --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" "80ee835dc461ecb7ea5279000d58d608002d2db168eac27eacff09cb06574d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ee835dc461ecb7ea5279000d58d608002d2db168eac27eacff09cb06574d68", kill_on_drop: false }`
[INFO] [stdout] 80ee835dc461ecb7ea5279000d58d608002d2db168eac27eacff09cb06574d68