[INFO] fetching crate doc_item 0.2.5...
[INFO] building doc_item-0.2.5 against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] extracting crate doc_item 0.2.5 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate doc_item 0.2.5 on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate doc_item 0.2.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate doc_item 0.2.5
[INFO] tweaked toml for crates.io crate doc_item 0.2.5 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate crates.io crate doc_item 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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 ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.23
[INFO] [stderr]   Downloaded pin-project-internal v1.0.6
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded async-trait v0.1.48
[INFO] [stderr]   Downloaded displaydoc v0.1.7
[INFO] [stderr]   Downloaded tokio-util v0.6.5
[INFO] [stderr]   Downloaded trybuild v1.0.42
[INFO] [stderr]   Downloaded pin-project v1.0.6
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded substring v1.4.5
[INFO] [stderr]   Downloaded http-body v0.4.1
[INFO] [stderr]   Downloaded darling_core v0.12.3
[INFO] [stderr]   Downloaded darling_macro v0.12.3
[INFO] [stderr]   Downloaded darling v0.12.3
[INFO] [stderr]   Downloaded reqwest v0.11.2
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] [stderr]   Downloaded urlparse v0.7.3
[INFO] [stderr]   Downloaded h2 v0.3.2
[INFO] [stderr]   Downloaded hyper v0.14.5
[INFO] [stderr]   Downloaded thirtyfour_sync v0.23.0
[INFO] [stderr]   Downloaded thirtyfour v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 588fed4ca4ff5826a99d04ecf7bb9ab91f5a5ad2a4d2bb1e0a239d41cee8da25
[INFO] running `Command { std: "docker" "start" "-a" "588fed4ca4ff5826a99d04ecf7bb9ab91f5a5ad2a4d2bb1e0a239d41cee8da25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588fed4ca4ff5826a99d04ecf7bb9ab91f5a5ad2a4d2bb1e0a239d41cee8da25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588fed4ca4ff5826a99d04ecf7bb9ab91f5a5ad2a4d2bb1e0a239d41cee8da25", kill_on_drop: false }`
[INFO] [stdout] 588fed4ca4ff5826a99d04ecf7bb9ab91f5a5ad2a4d2bb1e0a239d41cee8da25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8da3cad113c50c69bce69734a169ef6ce987e644a221094f813dfc9e87192d1
[INFO] running `Command { std: "docker" "start" "-a" "d8da3cad113c50c69bce69734a169ef6ce987e644a221094f813dfc9e87192d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling darling_core v0.12.3
[INFO] [stderr]    Compiling darling_macro v0.12.3
[INFO] [stderr]    Compiling darling v0.12.3
[INFO] [stderr]    Compiling doc_item v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.05s
[INFO] running `Command { std: "docker" "inspect" "d8da3cad113c50c69bce69734a169ef6ce987e644a221094f813dfc9e87192d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8da3cad113c50c69bce69734a169ef6ce987e644a221094f813dfc9e87192d1", kill_on_drop: false }`
[INFO] [stdout] d8da3cad113c50c69bce69734a169ef6ce987e644a221094f813dfc9e87192d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc5da093a9093bcc8476e987197a49e298fdcfe904419405119bce89b8440633
[INFO] running `Command { std: "docker" "start" "-a" "cc5da093a9093bcc8476e987197a49e298fdcfe904419405119bce89b8440633", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling urlparse v0.7.3
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr] error: could not compile `thiserror-impl`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name thiserror_impl --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/thiserror-impl-1.0.24/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=75bb571715703696 -C extra-filename=-75bb571715703696 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-35966716800d5979.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-517f35ba2cdda52b.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-6e0debb443fd09fc.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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cc5da093a9093bcc8476e987197a49e298fdcfe904419405119bce89b8440633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc5da093a9093bcc8476e987197a49e298fdcfe904419405119bce89b8440633", kill_on_drop: false }`
[INFO] [stdout] cc5da093a9093bcc8476e987197a49e298fdcfe904419405119bce89b8440633