[INFO] fetching crate lepton_jpeg 0.3.0...
[INFO] checking lepton_jpeg-0.3.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate lepton_jpeg 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate lepton_jpeg 0.3.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate lepton_jpeg 0.3.0
[INFO] finished tweaking crates.io crate lepton_jpeg 0.3.0
[INFO] tweaked toml for crates.io crate lepton_jpeg 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate lepton_jpeg 0.3.0 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded default-boxed v0.2.0
[INFO] [stderr]   Downloaded default-boxed-derive v0.2.0
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded time-macros v0.2.8
[INFO] [stderr]   Downloaded rstest_macros v0.16.0
[INFO] [stderr]   Downloaded rstest v0.16.0
[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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f0ecf150f9baa469d90d64241c0784c51ac4c770fe3e15545154080ef62857e
[INFO] running `Command { std: "docker" "start" "-a" "5f0ecf150f9baa469d90d64241c0784c51ac4c770fe3e15545154080ef62857e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f0ecf150f9baa469d90d64241c0784c51ac4c770fe3e15545154080ef62857e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f0ecf150f9baa469d90d64241c0784c51ac4c770fe3e15545154080ef62857e", kill_on_drop: false }`
[INFO] [stdout] 5f0ecf150f9baa469d90d64241c0784c51ac4c770fe3e15545154080ef62857e
[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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ad4dfdb475c0caf0b16dc1381aecac1ff5ed0e5ddec088fa323b9246a01cbd5
[INFO] running `Command { std: "docker" "start" "-a" "3ad4dfdb475c0caf0b16dc1381aecac1ff5ed0e5ddec088fa323b9246a01cbd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.22
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking object v0.30.3
[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] 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" "3ad4dfdb475c0caf0b16dc1381aecac1ff5ed0e5ddec088fa323b9246a01cbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad4dfdb475c0caf0b16dc1381aecac1ff5ed0e5ddec088fa323b9246a01cbd5", kill_on_drop: false }`
[INFO] [stdout] 3ad4dfdb475c0caf0b16dc1381aecac1ff5ed0e5ddec088fa323b9246a01cbd5
