[INFO] fetching crate cargo-docs 0.1.25...
[INFO] checking cargo-docs-0.1.25 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] extracting crate cargo-docs 0.1.25 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cargo-docs 0.1.25 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate cargo-docs 0.1.25
[INFO] finished tweaking crates.io crate cargo-docs 0.1.25
[INFO] tweaked toml for crates.io crate cargo-docs 0.1.25 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-docs 0.1.25 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-0-tc1/source/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `cargo-book`
[INFO] [stderr]   * `bin` target `cargo-docs`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded console v0.15.5
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded zeroize v1.5.7
[INFO] [stderr]   Downloaded cargo-util v0.2.3
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[INFO] [stderr]   Downloaded commoncrypto-sys v0.2.0
[INFO] [stderr]   Downloaded spki v0.7.1
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[INFO] [stderr]   Downloaded dialoguer v0.10.3
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[INFO] [stderr]   Downloaded toml_edit v0.19.8
[INFO] [stderr]   Downloaded bstr v1.3.0
[INFO] [stderr]   Downloaded git2 v0.16.0
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[INFO] [stderr]   Downloaded cargo v0.70.1
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[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded crates-io v0.36.0
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[INFO] [stderr]   Downloaded home v0.5.4
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[INFO] [stderr]   Downloaded os_str_bytes v6.4.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5dbfc890b3846c0da7fd91ca184a22f746b9705dc546d1f2f1ca0002f85e9d9
[INFO] running `Command { std: "docker" "start" "-a" "e5dbfc890b3846c0da7fd91ca184a22f746b9705dc546d1f2f1ca0002f85e9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5dbfc890b3846c0da7fd91ca184a22f746b9705dc546d1f2f1ca0002f85e9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5dbfc890b3846c0da7fd91ca184a22f746b9705dc546d1f2f1ca0002f85e9d9", kill_on_drop: false }`
[INFO] [stdout] e5dbfc890b3846c0da7fd91ca184a22f746b9705dc546d1f2f1ca0002f85e9d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01aba9f7812a323c79c3bdef8075549a3c550c6a3da4042ee81520df7e6f0211
[INFO] running `Command { std: "docker" "start" "-a" "01aba9f7812a323c79c3bdef8075549a3c550c6a3da4042ee81520df7e6f0211", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `bin` target `cargo-book`
[INFO] [stderr]   * `bin` target `cargo-docs`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking const-oid v0.9.2
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking der v0.7.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "01aba9f7812a323c79c3bdef8075549a3c550c6a3da4042ee81520df7e6f0211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01aba9f7812a323c79c3bdef8075549a3c550c6a3da4042ee81520df7e6f0211", kill_on_drop: false }`
[INFO] [stdout] 01aba9f7812a323c79c3bdef8075549a3c550c6a3da4042ee81520df7e6f0211