[INFO] fetching crate cargo-doc-ngrok 0.1.1...
[INFO] checking cargo-doc-ngrok-0.1.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate cargo-doc-ngrok 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cargo-doc-ngrok 0.1.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-doc-ngrok 0.1.1
[INFO] finished tweaking crates.io crate cargo-doc-ngrok 0.1.1
[INFO] tweaked toml for crates.io crate cargo-doc-ngrok 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-doc-ngrok 0.1.1 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.9.6
[INFO] [stderr]   Downloaded project-origins v1.2.0
[INFO] [stderr]   Downloaded notify v5.1.0
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[INFO] [stderr]   Downloaded semver v1.0.16
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[INFO] [stderr]   Downloaded camino v1.1.2
[INFO] [stderr]   Downloaded tower-http v0.3.5
[INFO] [stderr]   Downloaded rustix v0.36.7
[INFO] [stderr]   Downloaded bstr v1.1.0
[INFO] [stderr]   Downloaded axum v0.6.4
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[INFO] [stderr]   Downloaded clearscreen v2.0.0
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[INFO] [stderr]   Downloaded io-lifetimes v1.0.4
[INFO] [stderr]   Downloaded muxado v0.1.1
[INFO] [stderr]   Downloaded ngrok v0.8.0
[INFO] [stderr]   Downloaded terminfo v0.7.5
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[INFO] [stderr]   Downloaded cargo_metadata v0.15.3
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[INFO] [stderr]   Downloaded hyper-staticfile v0.9.5
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[INFO] [stderr]   Downloaded async-recursion v1.0.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51c5be9c1219a44ad275c3b5754d75afe600f26a1effe49b7c1869293f0d0427
[INFO] running `Command { std: "docker" "start" "-a" "51c5be9c1219a44ad275c3b5754d75afe600f26a1effe49b7c1869293f0d0427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51c5be9c1219a44ad275c3b5754d75afe600f26a1effe49b7c1869293f0d0427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c5be9c1219a44ad275c3b5754d75afe600f26a1effe49b7c1869293f0d0427", kill_on_drop: false }`
[INFO] [stdout] 51c5be9c1219a44ad275c3b5754d75afe600f26a1effe49b7c1869293f0d0427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 021b8367ff3a4cd4893e8c4185caced6c0101ae9e506452e90db827131a457c8
[INFO] running `Command { std: "docker" "start" "-a" "021b8367ff3a4cd4893e8c4185caced6c0101ae9e506452e90db827131a457c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 tinyvec_macros v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking bstr v1.1.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "021b8367ff3a4cd4893e8c4185caced6c0101ae9e506452e90db827131a457c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "021b8367ff3a4cd4893e8c4185caced6c0101ae9e506452e90db827131a457c8", kill_on_drop: false }`
[INFO] [stdout] 021b8367ff3a4cd4893e8c4185caced6c0101ae9e506452e90db827131a457c8
