[INFO] fetching crate img2irc 0.3.0...
[INFO] checking img2irc-0.3.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate img2irc 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate img2irc 0.3.0 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 img2irc 0.3.0
[INFO] finished tweaking crates.io crate img2irc 0.3.0
[INFO] tweaked toml for crates.io crate img2irc 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate img2irc 0.3.0 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 oklab v1.0.0
[INFO] [stderr]   Downloaded rgb v0.8.34
[INFO] [stderr]   Downloaded clap_derive v4.0.7
[INFO] [stderr]   Downloaded spin v0.9.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded exr v1.5.1
[INFO] [stderr]   Downloaded clap v4.0.7
[INFO] [stderr]   Downloaded tiff v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 871b3415db52863fbc5c93985751a20085dedf3de1d70c593b465d8a7d7aebac
[INFO] running `Command { std: "docker" "start" "-a" "871b3415db52863fbc5c93985751a20085dedf3de1d70c593b465d8a7d7aebac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "871b3415db52863fbc5c93985751a20085dedf3de1d70c593b465d8a7d7aebac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871b3415db52863fbc5c93985751a20085dedf3de1d70c593b465d8a7d7aebac", kill_on_drop: false }`
[INFO] [stdout] 871b3415db52863fbc5c93985751a20085dedf3de1d70c593b465d8a7d7aebac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] eb2e8cf34cbcdc31c9e122bc5d40ad26b330362c9dca505280c42dc3e546e526
[INFO] running `Command { std: "docker" "start" "-a" "eb2e8cf34cbcdc31c9e122bc5d40ad26b330362c9dca505280c42dc3e546e526", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking rgb v0.8.34
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking oklab v1.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 flate2 v1.0.24
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[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" "eb2e8cf34cbcdc31c9e122bc5d40ad26b330362c9dca505280c42dc3e546e526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2e8cf34cbcdc31c9e122bc5d40ad26b330362c9dca505280c42dc3e546e526", kill_on_drop: false }`
[INFO] [stdout] eb2e8cf34cbcdc31c9e122bc5d40ad26b330362c9dca505280c42dc3e546e526
[INFO] checking img2irc-0.3.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate img2irc 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate img2irc 0.3.0 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 img2irc 0.3.0
[INFO] finished tweaking crates.io crate img2irc 0.3.0
[INFO] tweaked toml for crates.io crate img2irc 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate img2irc 0.3.0 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]     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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62c7aea91a2617eda5c1fb5cbc59a2a2c470f5fe12436a59f32fc4de6743b099
[INFO] running `Command { std: "docker" "start" "-a" "62c7aea91a2617eda5c1fb5cbc59a2a2c470f5fe12436a59f32fc4de6743b099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62c7aea91a2617eda5c1fb5cbc59a2a2c470f5fe12436a59f32fc4de6743b099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c7aea91a2617eda5c1fb5cbc59a2a2c470f5fe12436a59f32fc4de6743b099", kill_on_drop: false }`
[INFO] [stdout] 62c7aea91a2617eda5c1fb5cbc59a2a2c470f5fe12436a59f32fc4de6743b099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunexpected_cfgs" "-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" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 7a7fd134471a53197d2378f653ac8d286fd165893a36268fb3260b85b9def084
[INFO] running `Command { std: "docker" "start" "-a" "7a7fd134471a53197d2378f653ac8d286fd165893a36268fb3260b85b9def084", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking bytemuck v1.12.1
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking rgb v0.8.34
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking oklab v1.0.0
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.46/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 crossbeam-channel v0.5.6
[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" "7a7fd134471a53197d2378f653ac8d286fd165893a36268fb3260b85b9def084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7fd134471a53197d2378f653ac8d286fd165893a36268fb3260b85b9def084", kill_on_drop: false }`
[INFO] [stdout] 7a7fd134471a53197d2378f653ac8d286fd165893a36268fb3260b85b9def084
