[INFO] fetching crate mineflake 0.2.2...
[INFO] checking mineflake-0.2.2 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate mineflake 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mineflake 0.2.2 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mineflake 0.2.2
[INFO] finished tweaking crates.io crate mineflake 0.2.2
[INFO] tweaked toml for crates.io crate mineflake 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mineflake 0.2.2 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded sha256 v1.1.1
[INFO] [stderr]   Downloaded zip v0.6.3
[INFO] [stderr]   Downloaded clap v4.0.30
[INFO] [stderr]   Downloaded rustix v0.36.5
[INFO] [stderr]   Downloaded zstd-sys v2.0.4+zstd.1.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7156b9f77ccfedc52d71158a98c3232a8efa74e44edd08c43477771f36e502e7
[INFO] running `Command { std: "docker" "start" "-a" "7156b9f77ccfedc52d71158a98c3232a8efa74e44edd08c43477771f36e502e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7156b9f77ccfedc52d71158a98c3232a8efa74e44edd08c43477771f36e502e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7156b9f77ccfedc52d71158a98c3232a8efa74e44edd08c43477771f36e502e7", kill_on_drop: false }`
[INFO] [stdout] 7156b9f77ccfedc52d71158a98c3232a8efa74e44edd08c43477771f36e502e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2470d0b3acf4124b8b2bd9681b5d0325f06db7883e816cc91a977997705816b6
[INFO] running `Command { std: "docker" "start" "-a" "2470d0b3acf4124b8b2bd9681b5d0325f06db7883e816cc91a977997705816b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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 bytes v1.3.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.151
[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" "2470d0b3acf4124b8b2bd9681b5d0325f06db7883e816cc91a977997705816b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2470d0b3acf4124b8b2bd9681b5d0325f06db7883e816cc91a977997705816b6", kill_on_drop: false }`
[INFO] [stdout] 2470d0b3acf4124b8b2bd9681b5d0325f06db7883e816cc91a977997705816b6
