[INFO] cloning repository https://github.com/21re/microtools-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/21re/microtools-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21re%2Fmicrotools-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21re%2Fmicrotools-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d091c22629266213c6cbc839f9596cdb43548075
[INFO] checking 21re/microtools-rs against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21re%2Fmicrotools-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/21re/microtools-rs on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/21re/microtools-rs
[INFO] finished tweaking git repo https://github.com/21re/microtools-rs
[INFO] tweaked toml for git repo https://github.com/21re/microtools-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/21re/microtools-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "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] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12bbccc3e6902fdf3b2a09a0f0fe2323f118beac793ee9b7f12bdca62000efeb
[INFO] running `Command { std: "docker" "start" "-a" "12bbccc3e6902fdf3b2a09a0f0fe2323f118beac793ee9b7f12bdca62000efeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12bbccc3e6902fdf3b2a09a0f0fe2323f118beac793ee9b7f12bdca62000efeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bbccc3e6902fdf3b2a09a0f0fe2323f118beac793ee9b7f12bdca62000efeb", kill_on_drop: false }`
[INFO] [stdout] 12bbccc3e6902fdf3b2a09a0f0fe2323f118beac793ee9b7f12bdca62000efeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebb1d0a9aef8be3c26059ab1695df3908630a12a0f10b799a9e134edc55d2907
[INFO] running `Command { std: "docker" "start" "-a" "ebb1d0a9aef8be3c26059ab1695df3908630a12a0f10b799a9e134edc55d2907", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking copyless v0.1.5
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[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
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[INFO] [stderr]     Checking net2 v0.2.33
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[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling procinfo v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]    Compiling prometheus v0.5.0
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking base64 v0.12.1
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking actix-rt v2.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling derive_more v0.99.7
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.33
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling actix_derive v0.6.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.111/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=b060fea890b071f0 -C extra-filename=-b060fea890b071f0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0ce00006496cdf46.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-715c742bb6192a5a.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-46f18c55fd904f49.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ebb1d0a9aef8be3c26059ab1695df3908630a12a0f10b799a9e134edc55d2907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb1d0a9aef8be3c26059ab1695df3908630a12a0f10b799a9e134edc55d2907", kill_on_drop: false }`
[INFO] [stdout] ebb1d0a9aef8be3c26059ab1695df3908630a12a0f10b799a9e134edc55d2907