[INFO] fetching crate guzuta 0.5.0...
[INFO] checking guzuta-0.5.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate guzuta 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate guzuta 0.5.0 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 guzuta 0.5.0
[INFO] finished tweaking crates.io crate guzuta 0.5.0
[INFO] tweaked toml for crates.io crate guzuta 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate guzuta 0.5.0 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd-safe v6.0.4+zstd.1.5.4
[INFO] [stderr]   Downloaded gpg-error v0.6.0
[INFO] [stderr]   Downloaded libgpg-error-sys v0.6.0
[INFO] [stderr]   Downloaded futures v0.3.27
[INFO] [stderr]   Downloaded aws-smithy-query v0.54.4
[INFO] [stderr]   Downloaded aws-credential-types v0.54.1
[INFO] [stderr]   Downloaded aws-http v0.54.1
[INFO] [stderr]   Downloaded aws-endpoint v0.54.1
[INFO] [stderr]   Downloaded aws-sigv4 v0.54.1
[INFO] [stderr]   Downloaded aws-smithy-checksums v0.54.4
[INFO] [stderr]   Downloaded aws-smithy-client v0.54.4
[INFO] [stderr]   Downloaded aws-sdk-sso v0.24.0
[INFO] [stderr]   Downloaded aws-config v0.54.1
[INFO] [stderr]   Downloaded aws-sdk-s3 v0.24.0
[INFO] [stderr]   Downloaded clap v4.1.11
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]   Downloaded syn v2.0.5
[INFO] [stderr]   Downloaded regex v1.7.2
[INFO] [stderr]   Downloaded rust-lzma v0.5.1
[INFO] [stderr]   Downloaded aws-sdk-sts v0.24.0
[INFO] [stderr]   Downloaded aws-smithy-http v0.54.4
[INFO] [stderr]   Downloaded aws-smithy-types v0.54.4
[INFO] [stderr]   Downloaded futures-executor v0.3.27
[INFO] [stderr]   Downloaded aws-sig-auth v0.54.1
[INFO] [stderr]   Downloaded aws-smithy-json v0.54.4
[INFO] [stderr]   Downloaded aws-smithy-async v0.54.4
[INFO] [stderr]   Downloaded aws-smithy-protocol-test v0.54.4
[INFO] [stderr]   Downloaded aws-types v0.54.1
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded crc32c v0.6.3
[INFO] [stderr]   Downloaded aws-smithy-xml v0.54.4
[INFO] [stderr]   Downloaded bytes-utils v0.1.3
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.54.4
[INFO] [stderr]   Downloaded aws-smithy-eventstream v0.54.4
[INFO] [stderr]   Downloaded futures-macro v0.3.27
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 528f2f304387b18c4d177ed18412f42e2fe5e8a16bb353dc515d6e9c042b8945
[INFO] running `Command { std: "docker" "start" "-a" "528f2f304387b18c4d177ed18412f42e2fe5e8a16bb353dc515d6e9c042b8945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528f2f304387b18c4d177ed18412f42e2fe5e8a16bb353dc515d6e9c042b8945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528f2f304387b18c4d177ed18412f42e2fe5e8a16bb353dc515d6e9c042b8945", kill_on_drop: false }`
[INFO] [stdout] 528f2f304387b18c4d177ed18412f42e2fe5e8a16bb353dc515d6e9c042b8945
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f8aeaf9b2d93e5c40930ad0842310df8f1e860969ec140a7451971b2423b294
[INFO] running `Command { std: "docker" "start" "-a" "5f8aeaf9b2d93e5c40930ad0842310df8f1e860969ec140a7451971b2423b294", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking outref v0.5.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.53/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]     Checking either v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking regex v1.7.2
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking bytes-utils v0.1.3
[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" "5f8aeaf9b2d93e5c40930ad0842310df8f1e860969ec140a7451971b2423b294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8aeaf9b2d93e5c40930ad0842310df8f1e860969ec140a7451971b2423b294", kill_on_drop: false }`
[INFO] [stdout] 5f8aeaf9b2d93e5c40930ad0842310df8f1e860969ec140a7451971b2423b294
