[INFO] fetching crate ch57x-keyboard-tool 1.5.4...
[INFO] checking ch57x-keyboard-tool-1.5.4 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate ch57x-keyboard-tool 1.5.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ch57x-keyboard-tool 1.5.4
[INFO] finished tweaking crates.io crate ch57x-keyboard-tool 1.5.4
[INFO] tweaked toml for crates.io crate ch57x-keyboard-tool 1.5.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ch57x-keyboard-tool 1.5.4 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ch57x-keyboard-tool 1.5.4 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ddb7eebfe7b033d0f9b164fc8f1d41b2088a6d43da91aa09cd74b0afc5aa03f
[INFO] running `Command { std: "docker" "start" "-a" "0ddb7eebfe7b033d0f9b164fc8f1d41b2088a6d43da91aa09cd74b0afc5aa03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ddb7eebfe7b033d0f9b164fc8f1d41b2088a6d43da91aa09cd74b0afc5aa03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ddb7eebfe7b033d0f9b164fc8f1d41b2088a6d43da91aa09cd74b0afc5aa03f", kill_on_drop: false }`
[INFO] [stdout] 0ddb7eebfe7b033d0f9b164fc8f1d41b2088a6d43da91aa09cd74b0afc5aa03f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c832ab8b166caf02d57e5376238ecbaf9859afdfd8f026ef785a27f4d37b8e8
[INFO] running `Command { std: "docker" "start" "-a" "6c832ab8b166caf02d57e5376238ecbaf9859afdfd8f026ef785a27f4d37b8e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling rusb v0.9.1
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking unsafe-libyaml v0.2.5
[INFO] [stderr]     Checking ryu v1.0.12
[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 either v1.8.0
[INFO] [stderr]     Checking nom v7.1.2
[INFO] [stderr]     Checking itertools v0.10.5
[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" "6c832ab8b166caf02d57e5376238ecbaf9859afdfd8f026ef785a27f4d37b8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c832ab8b166caf02d57e5376238ecbaf9859afdfd8f026ef785a27f4d37b8e8", kill_on_drop: false }`
[INFO] [stdout] 6c832ab8b166caf02d57e5376238ecbaf9859afdfd8f026ef785a27f4d37b8e8