[INFO] fetching crate nitrogen-lib 0.2.1...
[INFO] checking nitrogen-lib-0.2.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate nitrogen-lib 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate nitrogen-lib 0.2.1 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 nitrogen-lib 0.2.1
[INFO] finished tweaking crates.io crate nitrogen-lib 0.2.1
[INFO] tweaked toml for crates.io crate nitrogen-lib 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate nitrogen-lib 0.2.1 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 rust-embed-utils v7.3.0
[INFO] [stderr]   Downloaded clap_derive v4.0.18
[INFO] [stderr]   Downloaded rust-embed-impl v6.3.1
[INFO] [stderr]   Downloaded clap v4.0.18
[INFO] [stderr]   Downloaded rust-embed v6.4.2
[INFO] [stderr]   Downloaded aws-sdk-cloudformation v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c7b2ccd80bfbbf25c53466e1e17dcfea8df019cfa971fb360910eb5b7efb4797
[INFO] running `Command { std: "docker" "start" "-a" "c7b2ccd80bfbbf25c53466e1e17dcfea8df019cfa971fb360910eb5b7efb4797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7b2ccd80bfbbf25c53466e1e17dcfea8df019cfa971fb360910eb5b7efb4797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b2ccd80bfbbf25c53466e1e17dcfea8df019cfa971fb360910eb5b7efb4797", kill_on_drop: false }`
[INFO] [stdout] c7b2ccd80bfbbf25c53466e1e17dcfea8df019cfa971fb360910eb5b7efb4797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f669441ace542077bd5d9502e52dcafcfa18ec9920e27a42fcfaf0e6ebe1779f
[INFO] running `Command { std: "docker" "start" "-a" "f669441ace542077bd5d9502e52dcafcfa18ec9920e27a42fcfaf0e6ebe1779f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 semver v1.0.14
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.27
[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" "f669441ace542077bd5d9502e52dcafcfa18ec9920e27a42fcfaf0e6ebe1779f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f669441ace542077bd5d9502e52dcafcfa18ec9920e27a42fcfaf0e6ebe1779f", kill_on_drop: false }`
[INFO] [stdout] f669441ace542077bd5d9502e52dcafcfa18ec9920e27a42fcfaf0e6ebe1779f
[INFO] checking nitrogen-lib-0.2.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate nitrogen-lib 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate nitrogen-lib 0.2.1 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 nitrogen-lib 0.2.1
[INFO] finished tweaking crates.io crate nitrogen-lib 0.2.1
[INFO] tweaked toml for crates.io crate nitrogen-lib 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate nitrogen-lib 0.2.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 50c4aa6aebd5b8a0760fecba3ff8ee7405d73baeafffb5205ca2f64889c75949
[INFO] running `Command { std: "docker" "start" "-a" "50c4aa6aebd5b8a0760fecba3ff8ee7405d73baeafffb5205ca2f64889c75949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50c4aa6aebd5b8a0760fecba3ff8ee7405d73baeafffb5205ca2f64889c75949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c4aa6aebd5b8a0760fecba3ff8ee7405d73baeafffb5205ca2f64889c75949", kill_on_drop: false }`
[INFO] [stdout] 50c4aa6aebd5b8a0760fecba3ff8ee7405d73baeafffb5205ca2f64889c75949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f045b454fb801a69328c30e1268744c2d5076268607c3cae6c4fcc32367e9869
[INFO] running `Command { std: "docker" "start" "-a" "f045b454fb801a69328c30e1268744c2d5076268607c3cae6c4fcc32367e9869", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 semver v1.0.14
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking regex-syntax v0.6.27
[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" "f045b454fb801a69328c30e1268744c2d5076268607c3cae6c4fcc32367e9869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f045b454fb801a69328c30e1268744c2d5076268607c3cae6c4fcc32367e9869", kill_on_drop: false }`
[INFO] [stdout] f045b454fb801a69328c30e1268744c2d5076268607c3cae6c4fcc32367e9869
