[INFO] cloning repository https://github.com/musale/gijon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/musale/gijon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmusale%2Fgijon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmusale%2Fgijon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b59c97c341e128a2e9b678dbbcb49effedd14a08
[INFO] documenting musale/gijon against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmusale%2Fgijon" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/musale/gijon
[INFO] finished tweaking git repo https://github.com/musale/gijon
[INFO] tweaked toml for git repo https://github.com/musale/gijon written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/musale/gijon on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/musale/gijon 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-big-array v0.4.1
[INFO] [stderr]   Downloaded fatfs v0.3.6
[INFO] [stderr]   Downloaded async-process v1.7.0
[INFO] [stderr]   Downloaded bootloader-boot-config v0.11.3
[INFO] [stderr]   Downloaded llvm-tools v0.1.1
[INFO] [stderr]   Downloaded mbrman v0.5.2
[INFO] [stderr]   Downloaded bootloader v0.11.3
[INFO] [stderr]   Downloaded futures-concurrency v7.2.1
[INFO] [stderr]   Downloaded gpt v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b065c01dfc47fc5a4da2b3bcbb7454628d93ae19d65e611163a51ba723312a6
[INFO] running `Command { std: "docker" "start" "-a" "0b065c01dfc47fc5a4da2b3bcbb7454628d93ae19d65e611163a51ba723312a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b065c01dfc47fc5a4da2b3bcbb7454628d93ae19d65e611163a51ba723312a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b065c01dfc47fc5a4da2b3bcbb7454628d93ae19d65e611163a51ba723312a6", kill_on_drop: false }`
[INFO] [stdout] 0b065c01dfc47fc5a4da2b3bcbb7454628d93ae19d65e611163a51ba723312a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 693a22e83e7b465994ffe13437b80aa072e8d8252b866eaf508e1a5fd039d649
[INFO] running `Command { std: "docker" "start" "-a" "693a22e83e7b465994ffe13437b80aa072e8d8252b866eaf508e1a5fd039d649", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking v2.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling async-lock v2.7.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling async-process v1.7.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.58/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling llvm-tools v0.1.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "693a22e83e7b465994ffe13437b80aa072e8d8252b866eaf508e1a5fd039d649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693a22e83e7b465994ffe13437b80aa072e8d8252b866eaf508e1a5fd039d649", kill_on_drop: false }`
[INFO] [stdout] 693a22e83e7b465994ffe13437b80aa072e8d8252b866eaf508e1a5fd039d649
