[INFO] fetching crate discord_channel_cleaner 0.1.2...
[INFO] checking discord_channel_cleaner-0.1.2 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate discord_channel_cleaner 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate discord_channel_cleaner 0.1.2
[INFO] finished tweaking crates.io crate discord_channel_cleaner 0.1.2
[INFO] tweaked toml for crates.io crate discord_channel_cleaner 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate discord_channel_cleaner 0.1.2 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate discord_channel_cleaner 0.1.2 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.33
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.1
[INFO] [stderr]   Downloaded pest_generator v2.5.2
[INFO] [stderr]   Downloaded pest_meta v2.5.2
[INFO] [stderr]   Downloaded pest_derive v2.5.2
[INFO] [stderr]   Downloaded toml v0.5.10
[INFO] [stderr]   Downloaded futures v0.3.25
[INFO] [stderr]   Downloaded async-trait v0.1.61
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded pest v2.5.2
[INFO] [stderr]   Downloaded reqwest v0.11.13
[INFO] [stderr]   Downloaded nom v7.1.2
[INFO] [stderr]   Downloaded rustls v0.20.7
[INFO] [stderr]   Downloaded serenity v0.11.5
[INFO] [stderr]   Downloaded tokio v1.24.1
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05c185fbf605b7a8de88cd4473c7f08992608165905553aae2ba98528f3681e4
[INFO] running `Command { std: "docker" "start" "-a" "05c185fbf605b7a8de88cd4473c7f08992608165905553aae2ba98528f3681e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c185fbf605b7a8de88cd4473c7f08992608165905553aae2ba98528f3681e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c185fbf605b7a8de88cd4473c7f08992608165905553aae2ba98528f3681e4", kill_on_drop: false }`
[INFO] [stdout] 05c185fbf605b7a8de88cd4473c7f08992608165905553aae2ba98528f3681e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e8cf0379e5c6fccdb81f3a1b9f8a1e968424b36b4c3b07921032c84dc74d2c1
[INFO] running `Command { std: "docker" "start" "-a" "9e8cf0379e5c6fccdb81f3a1b9f8a1e968424b36b4c3b07921032c84dc74d2c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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 tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-util v0.3.25
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9e8cf0379e5c6fccdb81f3a1b9f8a1e968424b36b4c3b07921032c84dc74d2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e8cf0379e5c6fccdb81f3a1b9f8a1e968424b36b4c3b07921032c84dc74d2c1", kill_on_drop: false }`
[INFO] [stdout] 9e8cf0379e5c6fccdb81f3a1b9f8a1e968424b36b4c3b07921032c84dc74d2c1