[INFO] fetching crate chris 0.0.4...
[INFO] checking chris-0.0.4 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate chris 0.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate chris 0.0.4 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chris 0.0.4
[INFO] finished tweaking crates.io crate chris 0.0.4
[INFO] tweaked toml for crates.io crate chris 0.0.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded tokio-rustls v0.23.4
[INFO] [stderr]   Downloaded names v0.13.0
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 960a134cb0ba6de26d1d5a54a7f57df358b2d1abf7821b275aa2a076a8077ae6
[INFO] running `Command { std: "docker" "start" "-a" "960a134cb0ba6de26d1d5a54a7f57df358b2d1abf7821b275aa2a076a8077ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "960a134cb0ba6de26d1d5a54a7f57df358b2d1abf7821b275aa2a076a8077ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960a134cb0ba6de26d1d5a54a7f57df358b2d1abf7821b275aa2a076a8077ae6", kill_on_drop: false }`
[INFO] [stdout] 960a134cb0ba6de26d1d5a54a7f57df358b2d1abf7821b275aa2a076a8077ae6
[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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddfc7791996487a29f9b65afc48cb880422ac69463b110608c3c78ca7c1beb8f
[INFO] running `Command { std: "docker" "start" "-a" "ddfc7791996487a29f9b65afc48cb880422ac69463b110608c3c78ca7c1beb8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.2
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ipnet v2.5.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking async-task v4.2.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling names v0.13.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.5.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking socket2 v0.4.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]    Compiling aliri_braid_impl v0.1.10
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling shrinkwraprs v0.3.0
[INFO] [stderr] error: could not compile `tracing-attributes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.21/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 -C metadata=58ac75fb88639d51 -C extra-filename=-58ac75fb88639d51 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-340c3866980476f9.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-b91d651afdef8ac4.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-9dc9d16ab69b263c.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" "ddfc7791996487a29f9b65afc48cb880422ac69463b110608c3c78ca7c1beb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfc7791996487a29f9b65afc48cb880422ac69463b110608c3c78ca7c1beb8f", kill_on_drop: false }`
[INFO] [stdout] ddfc7791996487a29f9b65afc48cb880422ac69463b110608c3c78ca7c1beb8f