[INFO] fetching crate degauss 0.1.8...
[INFO] checking degauss-0.1.8 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate degauss 0.1.8 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate degauss 0.1.8 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate degauss 0.1.8
[INFO] finished tweaking crates.io crate degauss 0.1.8
[INFO] tweaked toml for crates.io crate degauss 0.1.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate degauss 0.1.8 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paw-attributes v1.0.2
[INFO] [stderr]   Downloaded strum v0.23.0
[INFO] [stderr]   Downloaded paw-raw v1.0.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.24
[INFO] [stderr]   Downloaded strum_macros v0.23.1
[INFO] [stderr]   Downloaded tracing v0.1.38
[INFO] [stderr]   Downloaded paw v1.0.0
[INFO] [stderr]   Downloaded isahc v1.7.2
[INFO] [stderr]   Downloaded quad-rand v0.2.1
[INFO] [stderr]   Downloaded zerocopy v0.6.1
[INFO] [stderr]   Downloaded castaway v0.1.2
[INFO] [stderr]   Downloaded sluice v0.5.5
[INFO] [stderr]   Downloaded libflate v1.3.0
[INFO] [stderr]   Downloaded uuid v1.3.1
[INFO] [stderr]   Downloaded comfy-table v6.1.4
[INFO] [stderr]   Downloaded curl v0.4.44
[INFO] [stderr]   Downloaded apache-avro v0.14.0
[INFO] [stderr]   Downloaded regex v1.8.1
[INFO] [stderr]   Downloaded regex-syntax v0.7.1
[INFO] [stderr]   Downloaded zerocopy-derive v0.3.2
[INFO] [stderr]   Downloaded curl-sys v0.4.61+curl-8.0.1
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]   Downloaded openssl-src v111.25.3+1.1.1t
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a5b6f7a9244006438c2b30fd1ccb1ab599fc60a80ff44e874ab25c13638b1b0
[INFO] running `Command { std: "docker" "start" "-a" "9a5b6f7a9244006438c2b30fd1ccb1ab599fc60a80ff44e874ab25c13638b1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5b6f7a9244006438c2b30fd1ccb1ab599fc60a80ff44e874ab25c13638b1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5b6f7a9244006438c2b30fd1ccb1ab599fc60a80ff44e874ab25c13638b1b0", kill_on_drop: false }`
[INFO] [stdout] 9a5b6f7a9244006438c2b30fd1ccb1ab599fc60a80ff44e874ab25c13638b1b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f19b3eb330683a2b37b6a2968bb80ae1f4e15a9238d1c8bf60d1816c393739f
[INFO] running `Command { std: "docker" "start" "-a" "5f19b3eb330683a2b37b6a2968bb80ae1f4e15a9238d1c8bf60d1816c393739f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 rle-decode-fast v1.0.3
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling openssl-src v111.25.3+1.1.1t
[INFO] [stderr]     Checking libflate_lz77 v1.2.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.7.1
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5f19b3eb330683a2b37b6a2968bb80ae1f4e15a9238d1c8bf60d1816c393739f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f19b3eb330683a2b37b6a2968bb80ae1f4e15a9238d1c8bf60d1816c393739f", kill_on_drop: false }`
[INFO] [stdout] 5f19b3eb330683a2b37b6a2968bb80ae1f4e15a9238d1c8bf60d1816c393739f
