[INFO] fetching crate confab 0.2.0...
[INFO] checking confab-0.2.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate confab 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate confab 0.2.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate confab 0.2.0
[INFO] finished tweaking crates.io crate confab 0.2.0
[INFO] tweaked toml for crates.io crate confab 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate confab 0.2.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-rustls v0.24.0
[INFO] [stderr]   Downloaded pin-project-internal v1.1.0
[INFO] [stderr]   Downloaded camino v1.1.4
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.2
[INFO] [stderr]   Downloaded serde-jsonlines v0.4.0
[INFO] [stderr]   Downloaded rustyline-async v0.3.2
[INFO] [stderr]   Downloaded rstest v0.17.0
[INFO] [stderr]   Downloaded unicode-general-category v0.6.0
[INFO] [stderr]   Downloaded rustls-webpki v0.100.1
[INFO] [stderr]   Downloaded mio v0.8.7
[INFO] [stderr]   Downloaded rustls v0.21.1
[INFO] [stderr]   Downloaded web-sys v0.3.63
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] [stderr]   Downloaded expectrl v0.7.0
[INFO] [stderr]   Downloaded openssl-src v111.25.3+1.1.1t
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded tokio v1.28.2
[INFO] [stderr]   Downloaded rstest_macros v0.17.0
[INFO] [stderr]   Downloaded pin-project v1.1.0
[INFO] [stderr]   Downloaded log v0.4.18
[INFO] [stderr]   Downloaded thingbuf v0.1.4
[INFO] [stderr]   Downloaded conpty v0.5.1
[INFO] [stderr]   Downloaded ptyprocess v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a8ab116989e6a5b83368f62adcab6dc6d1df1dbc94d22123bd53ed0a69f19d7
[INFO] running `Command { std: "docker" "start" "-a" "6a8ab116989e6a5b83368f62adcab6dc6d1df1dbc94d22123bd53ed0a69f19d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8ab116989e6a5b83368f62adcab6dc6d1df1dbc94d22123bd53ed0a69f19d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8ab116989e6a5b83368f62adcab6dc6d1df1dbc94d22123bd53ed0a69f19d7", kill_on_drop: false }`
[INFO] [stdout] 6a8ab116989e6a5b83368f62adcab6dc6d1df1dbc94d22123bd53ed0a69f19d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bd964bd564c4e0de026b421080f16b0b38c6fca2b5fc74c56e10899bf61d964
[INFO] running `Command { std: "docker" "start" "-a" "1bd964bd564c4e0de026b421080f16b0b38c6fca2b5fc74c56e10899bf61d964", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.59/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 futures-io v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[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" "1bd964bd564c4e0de026b421080f16b0b38c6fca2b5fc74c56e10899bf61d964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd964bd564c4e0de026b421080f16b0b38c6fca2b5fc74c56e10899bf61d964", kill_on_drop: false }`
[INFO] [stdout] 1bd964bd564c4e0de026b421080f16b0b38c6fca2b5fc74c56e10899bf61d964
