[INFO] fetching crate cargo-ebuild 0.5.4...
[INFO] checking cargo-ebuild-0.5.4 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate cargo-ebuild 0.5.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cargo-ebuild 0.5.4 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-ebuild 0.5.4
[INFO] finished tweaking crates.io crate cargo-ebuild 0.5.4
[INFO] tweaked toml for crates.io crate cargo-ebuild 0.5.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-ebuild 0.5.4 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded pest_derive v2.5.2
[INFO] [stderr]   Downloaded tera v1.17.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.5
[INFO] [stderr]   Downloaded pest_meta v2.5.2
[INFO] [stderr]   Downloaded pest_generator v2.5.2
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded pest v2.5.2
[INFO] [stderr]   Downloaded phf v0.11.1
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded phf_shared v0.11.1
[INFO] [stderr]   Downloaded cargo-lock v8.0.3
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded cargo_metadata v0.15.2
[INFO] [stderr]   Downloaded phf_generator v0.11.1
[INFO] [stderr]   Downloaded crates-index v0.18.11
[INFO] [stderr]   Downloaded cvss v2.0.0
[INFO] [stderr]   Downloaded git2 v0.15.0
[INFO] [stderr]   Downloaded libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]   Downloaded humantime-serde v1.1.1
[INFO] [stderr]   Downloaded rustsec v0.26.4
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e0176bc43b7da6911c0b9b5517cfdcce14c7a9507fb43e1a45b017065bcd642
[INFO] running `Command { std: "docker" "start" "-a" "4e0176bc43b7da6911c0b9b5517cfdcce14c7a9507fb43e1a45b017065bcd642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e0176bc43b7da6911c0b9b5517cfdcce14c7a9507fb43e1a45b017065bcd642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0176bc43b7da6911c0b9b5517cfdcce14c7a9507fb43e1a45b017065bcd642", kill_on_drop: false }`
[INFO] [stdout] 4e0176bc43b7da6911c0b9b5517cfdcce14c7a9507fb43e1a45b017065bcd642
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a6c0486100d1c73d3affcd30e5e93b2a14b8bd2cd6b0dc3f85c9a075ea708cb
[INFO] running `Command { std: "docker" "start" "-a" "6a6c0486100d1c73d3affcd30e5e93b2a14b8bd2cd6b0dc3f85c9a075ea708cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking rayon-core v1.10.1
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]    Compiling platforms v3.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking home v0.5.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking fs-err v2.9.0
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 time v0.3.17
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling cc v1.0.78
[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 unic-segment v0.9.0
[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" "6a6c0486100d1c73d3affcd30e5e93b2a14b8bd2cd6b0dc3f85c9a075ea708cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6c0486100d1c73d3affcd30e5e93b2a14b8bd2cd6b0dc3f85c9a075ea708cb", kill_on_drop: false }`
[INFO] [stdout] 6a6c0486100d1c73d3affcd30e5e93b2a14b8bd2cd6b0dc3f85c9a075ea708cb