[INFO] fetching crate racker 0.1.2...
[INFO] checking racker-0.1.2 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate racker 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate racker 0.1.2 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 racker 0.1.2
[INFO] finished tweaking crates.io crate racker 0.1.2
[INFO] tweaked toml for crates.io crate racker 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate racker 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" "+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 racker-plugin v0.1.0
[INFO] [stderr]   Downloaded racker-common v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 22e108369c78ed14e629f60c1f9eaccbc4978d487c763f91547788ecd6cb8da8
[INFO] running `Command { std: "docker" "start" "-a" "22e108369c78ed14e629f60c1f9eaccbc4978d487c763f91547788ecd6cb8da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22e108369c78ed14e629f60c1f9eaccbc4978d487c763f91547788ecd6cb8da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e108369c78ed14e629f60c1f9eaccbc4978d487c763f91547788ecd6cb8da8", kill_on_drop: false }`
[INFO] [stdout] 22e108369c78ed14e629f60c1f9eaccbc4978d487c763f91547788ecd6cb8da8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 485e784362bbc49a90a2f15b413949098222092df5a0de490d4a7e9bd8c21b03
[INFO] running `Command { std: "docker" "start" "-a" "485e784362bbc49a90a2f15b413949098222092df5a0de490d4a7e9bd8c21b03", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[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" "485e784362bbc49a90a2f15b413949098222092df5a0de490d4a7e9bd8c21b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485e784362bbc49a90a2f15b413949098222092df5a0de490d4a7e9bd8c21b03", kill_on_drop: false }`
[INFO] [stdout] 485e784362bbc49a90a2f15b413949098222092df5a0de490d4a7e9bd8c21b03
[INFO] checking racker-0.1.2 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate racker 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate racker 0.1.2 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 racker 0.1.2
[INFO] finished tweaking crates.io crate racker 0.1.2
[INFO] tweaked toml for crates.io crate racker 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate racker 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a2af2b02c47929d94572eea269e35a2d865c17f18fddbb8a2ccd72e162f50ea
[INFO] running `Command { std: "docker" "start" "-a" "6a2af2b02c47929d94572eea269e35a2d865c17f18fddbb8a2ccd72e162f50ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a2af2b02c47929d94572eea269e35a2d865c17f18fddbb8a2ccd72e162f50ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2af2b02c47929d94572eea269e35a2d865c17f18fddbb8a2ccd72e162f50ea", kill_on_drop: false }`
[INFO] [stdout] 6a2af2b02c47929d94572eea269e35a2d865c17f18fddbb8a2ccd72e162f50ea
[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 -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] 404bbd9df4339c0b9e1eda8983a753c9728c9e103029dbe69a9f421f9af0dc38
[INFO] running `Command { std: "docker" "start" "-a" "404bbd9df4339c0b9e1eda8983a753c9728c9e103029dbe69a9f421f9af0dc38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 v0.1.37
[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" "404bbd9df4339c0b9e1eda8983a753c9728c9e103029dbe69a9f421f9af0dc38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404bbd9df4339c0b9e1eda8983a753c9728c9e103029dbe69a9f421f9af0dc38", kill_on_drop: false }`
[INFO] [stdout] 404bbd9df4339c0b9e1eda8983a753c9728c9e103029dbe69a9f421f9af0dc38
