[INFO] fetching crate cargo-ebuild 0.5.4...
[INFO] checking cargo-ebuild-0.5.4 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate cargo-ebuild 0.5.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cargo-ebuild 0.5.4 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-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-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded tera v1.17.1
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded pest_derive v2.5.2
[INFO] [stderr]   Downloaded home v0.5.4
[INFO] [stderr]   Downloaded pest_generator v2.5.2
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded rustsec v0.26.4
[INFO] [stderr]   Downloaded git2 v0.15.0
[INFO] [stderr]   Downloaded pest v2.5.2
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded cargo_metadata v0.15.2
[INFO] [stderr]   Downloaded phf_generator v0.11.1
[INFO] [stderr]   Downloaded phf_shared v0.11.1
[INFO] [stderr]   Downloaded phf v0.11.1
[INFO] [stderr]   Downloaded cargo-lock v8.0.3
[INFO] [stderr]   Downloaded crates-index v0.18.11
[INFO] [stderr]   Downloaded libgit2-sys v0.14.0+1.5.0
[INFO] [stderr]   Downloaded cvss v2.0.0
[INFO] [stderr]   Downloaded humantime-serde v1.1.1
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded pest_meta v2.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cfc7afb23b8fb83420472ec1b896cec22f8e2793247692c7e859e0d4dc7b8513
[INFO] running `Command { std: "docker" "start" "-a" "cfc7afb23b8fb83420472ec1b896cec22f8e2793247692c7e859e0d4dc7b8513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfc7afb23b8fb83420472ec1b896cec22f8e2793247692c7e859e0d4dc7b8513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfc7afb23b8fb83420472ec1b896cec22f8e2793247692c7e859e0d4dc7b8513", kill_on_drop: false }`
[INFO] [stdout] cfc7afb23b8fb83420472ec1b896cec22f8e2793247692c7e859e0d4dc7b8513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cf205814ea9703f72227404bbdeddfa1f85039fb2c4882faa1aae7fb79b39a5d
[INFO] running `Command { std: "docker" "start" "-a" "cf205814ea9703f72227404bbdeddfa1f85039fb2c4882faa1aae7fb79b39a5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling smartstring v1.0.1
[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 once_cell v1.17.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling platforms v3.0.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[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" "cf205814ea9703f72227404bbdeddfa1f85039fb2c4882faa1aae7fb79b39a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf205814ea9703f72227404bbdeddfa1f85039fb2c4882faa1aae7fb79b39a5d", kill_on_drop: false }`
[INFO] [stdout] cf205814ea9703f72227404bbdeddfa1f85039fb2c4882faa1aae7fb79b39a5d
