[INFO] fetching crate rbtw 1.0.2...
[INFO] checking rbtw-1.0.2 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate rbtw 1.0.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rbtw 1.0.2 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] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rbtw 1.0.2
[INFO] finished tweaking crates.io crate rbtw 1.0.2
[INFO] tweaked toml for crates.io crate rbtw 1.0.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate rbtw 1.0.2 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 sudo v0.6.0
[INFO] [stderr]   Downloaded efi-loadopt v0.1.0
[INFO] [stderr]   Downloaded efibootnext v0.3.1
[INFO] [stderr]   Downloaded efivar v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d2d5eadff386de0c7e187f173a1af3095e1b6bb65fc650b140b783142513dc31
[INFO] running `Command { std: "docker" "start" "-a" "d2d5eadff386de0c7e187f173a1af3095e1b6bb65fc650b140b783142513dc31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d5eadff386de0c7e187f173a1af3095e1b6bb65fc650b140b783142513dc31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d5eadff386de0c7e187f173a1af3095e1b6bb65fc650b140b783142513dc31", kill_on_drop: false }`
[INFO] [stdout] d2d5eadff386de0c7e187f173a1af3095e1b6bb65fc650b140b783142513dc31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 73d42eff2a433ec6068abe1f2a911e5a4b8b1cf044b28ce3ababa3949ee82d26
[INFO] running `Command { std: "docker" "start" "-a" "73d42eff2a433ec6068abe1f2a911e5a4b8b1cf044b28ce3ababa3949ee82d26", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.53/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 rustc_version v0.4.0
[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" "73d42eff2a433ec6068abe1f2a911e5a4b8b1cf044b28ce3ababa3949ee82d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d42eff2a433ec6068abe1f2a911e5a4b8b1cf044b28ce3ababa3949ee82d26", kill_on_drop: false }`
[INFO] [stdout] 73d42eff2a433ec6068abe1f2a911e5a4b8b1cf044b28ce3ababa3949ee82d26
[INFO] checking rbtw-1.0.2 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate rbtw 1.0.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rbtw 1.0.2 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] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rbtw 1.0.2
[INFO] finished tweaking crates.io crate rbtw 1.0.2
[INFO] tweaked toml for crates.io crate rbtw 1.0.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate rbtw 1.0.2 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 44988b9057a188f99e4a7ec89ea408caa882bc7ac183e956b3ebb9b64e51c12c
[INFO] running `Command { std: "docker" "start" "-a" "44988b9057a188f99e4a7ec89ea408caa882bc7ac183e956b3ebb9b64e51c12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44988b9057a188f99e4a7ec89ea408caa882bc7ac183e956b3ebb9b64e51c12c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44988b9057a188f99e4a7ec89ea408caa882bc7ac183e956b3ebb9b64e51c12c", kill_on_drop: false }`
[INFO] [stdout] 44988b9057a188f99e4a7ec89ea408caa882bc7ac183e956b3ebb9b64e51c12c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ba2980b83a9e3472d7c8abbb91bb32a34606137b090f0132c2bb669b0aa53820
[INFO] running `Command { std: "docker" "start" "-a" "ba2980b83a9e3472d7c8abbb91bb32a34606137b090f0132c2bb669b0aa53820", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.53/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 rustc_version v0.4.0
[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" "ba2980b83a9e3472d7c8abbb91bb32a34606137b090f0132c2bb669b0aa53820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2980b83a9e3472d7c8abbb91bb32a34606137b090f0132c2bb669b0aa53820", kill_on_drop: false }`
[INFO] [stdout] ba2980b83a9e3472d7c8abbb91bb32a34606137b090f0132c2bb669b0aa53820
