[INFO] fetching crate lxc-idmap 0.7.0...
[INFO] checking lxc-idmap-0.7.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate lxc-idmap 0.7.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lxc-idmap 0.7.0 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] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate lxc-idmap 0.7.0
[INFO] finished tweaking crates.io crate lxc-idmap 0.7.0
[INFO] tweaked toml for crates.io crate lxc-idmap 0.7.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate lxc-idmap 0.7.0 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anstyle v0.3.5
[INFO] [stderr]   Downloaded clap v4.2.1
[INFO] [stderr]   Downloaded anstyle-parse v0.1.1
[INFO] [stderr]   Downloaded anstyle-wincon v0.2.0
[INFO] [stderr]   Downloaded concolor-override v1.0.0
[INFO] [stderr]   Downloaded concolor-query v0.3.3
[INFO] [stderr]   Downloaded anstream v0.2.6
[INFO] [stderr]   Downloaded clap_builder v4.2.1
[INFO] [stderr]   Downloaded syn v2.0.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5936d9a0bc679fb61877ac267fbc6b6210ea7f1a72325232b447b2ab91884afc
[INFO] running `Command { std: "docker" "start" "-a" "5936d9a0bc679fb61877ac267fbc6b6210ea7f1a72325232b447b2ab91884afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5936d9a0bc679fb61877ac267fbc6b6210ea7f1a72325232b447b2ab91884afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5936d9a0bc679fb61877ac267fbc6b6210ea7f1a72325232b447b2ab91884afc", kill_on_drop: false }`
[INFO] [stdout] 5936d9a0bc679fb61877ac267fbc6b6210ea7f1a72325232b447b2ab91884afc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 37654bf5cde9bba689bf22f25fbc3b4be865cb8013611f5af3d188e07623fe7a
[INFO] running `Command { std: "docker" "start" "-a" "37654bf5cde9bba689bf22f25fbc3b4be865cb8013611f5af3d188e07623fe7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]     Checking concolor-override v1.0.0
[INFO] [stderr]     Checking concolor-query v0.3.3
[INFO] [stderr]     Checking anstyle v0.3.5
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]     Checking anstyle-parse v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[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] [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" "37654bf5cde9bba689bf22f25fbc3b4be865cb8013611f5af3d188e07623fe7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37654bf5cde9bba689bf22f25fbc3b4be865cb8013611f5af3d188e07623fe7a", kill_on_drop: false }`
[INFO] [stdout] 37654bf5cde9bba689bf22f25fbc3b4be865cb8013611f5af3d188e07623fe7a
