[INFO] fetching crate mangadex-fs 0.2.1...
[INFO] checking mangadex-fs-0.2.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate mangadex-fs 0.2.1 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate mangadex-fs 0.2.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mangadex-fs 0.2.1
[INFO] finished tweaking crates.io crate mangadex-fs 0.2.1
[INFO] tweaked toml for crates.io crate mangadex-fs 0.2.1 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate crates.io crate mangadex-fs 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2c079ca088d81fd397c6c895fc5b0111db56f3d447bde6e4208e3039d81677b
[INFO] running `Command { std: "docker" "start" "-a" "f2c079ca088d81fd397c6c895fc5b0111db56f3d447bde6e4208e3039d81677b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2c079ca088d81fd397c6c895fc5b0111db56f3d447bde6e4208e3039d81677b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c079ca088d81fd397c6c895fc5b0111db56f3d447bde6e4208e3039d81677b", kill_on_drop: false }`
[INFO] [stdout] f2c079ca088d81fd397c6c895fc5b0111db56f3d447bde6e4208e3039d81677b
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6131be35af8955a150d7d761691932d36ac0c8304f744dc28002095ec4a6397b
[INFO] running `Command { std: "docker" "start" "-a" "6131be35af8955a150d7d761691932d36ac0c8304f744dc28002095ec4a6397b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking tracing-core v0.1.12
[INFO] [stderr]     Checking thread_local v1.0.1
[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-0.6.18/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=dc17503f11bd0b3d -C extra-filename=-dc17503f11bd0b3d --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" "6131be35af8955a150d7d761691932d36ac0c8304f744dc28002095ec4a6397b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6131be35af8955a150d7d761691932d36ac0c8304f744dc28002095ec4a6397b", kill_on_drop: false }`
[INFO] [stdout] 6131be35af8955a150d7d761691932d36ac0c8304f744dc28002095ec4a6397b