[INFO] fetching crate qrg 0.1.1...
[INFO] checking qrg-0.1.1 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113242
[INFO] extracting crate qrg 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate qrg 0.1.1 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qrg 0.1.1
[INFO] finished tweaking crates.io crate qrg 0.1.1
[INFO] tweaked toml for crates.io crate qrg 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate qrg 0.1.1 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-bidi-mirroring v0.1.0
[INFO] [stderr]   Downloaded memory_units v0.4.0
[INFO] [stderr]   Downloaded strict-num v0.1.0
[INFO] [stderr]   Downloaded data-url v0.2.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded imagesize v0.10.1
[INFO] [stderr]   Downloaded rctree v0.5.0
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded clap_lex v0.3.2
[INFO] [stderr]   Downloaded wee_alloc v0.4.5
[INFO] [stderr]   Downloaded simd-adler32 v0.3.4
[INFO] [stderr]   Downloaded is-terminal v0.4.4
[INFO] [stderr]   Downloaded zune-inflate v0.2.50
[INFO] [stderr]   Downloaded unicode-ccc v0.1.2
[INFO] [stderr]   Downloaded qr-rs-lib v0.1.0
[INFO] [stderr]   Downloaded svgtypes v0.8.2
[INFO] [stderr]   Downloaded tempfile v3.4.0
[INFO] [stderr]   Downloaded unicode-general-category v0.6.0
[INFO] [stderr]   Downloaded usvg v0.28.0
[INFO] [stderr]   Downloaded rayon-core v1.10.2
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] [stderr]   Downloaded rustybuzz v0.6.0
[INFO] [stderr]   Downloaded exr v1.5.3
[INFO] [stderr]   Downloaded clap v4.1.8
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded tiny-skia v0.8.3
[INFO] [stderr]   Downloaded ttf-parser v0.17.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.7
[INFO] [stderr]   Downloaded kurbo v0.8.3
[INFO] [stderr]   Downloaded resvg v0.28.0
[INFO] [stderr]   Downloaded fast_qr v0.8.4
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded png v0.17.6
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded qr-rs-common v0.1.0
[INFO] [stderr]   Downloaded fontconfig-parser v0.5.2
[INFO] [stderr]   Downloaded svgfilters v0.4.0
[INFO] [stderr]   Downloaded usvg-text-layout v0.28.0
[INFO] [stderr]   Downloaded roxmltree v0.15.1
[INFO] [stderr]   Downloaded memoffset v0.8.0
[INFO] [stderr]   Downloaded tiny-skia-path v0.8.3
[INFO] [stderr]   Downloaded fontdb v0.10.0
[INFO] [stderr]   Downloaded bit_field v0.10.2
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded clap_derive v4.1.8
[INFO] [stderr]   Downloaded pico-args v0.5.0
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cab4d521329eddfc4eab42137541b91038ace5fe74b2bf84e182baa6428c5c0
[INFO] running `Command { std: "docker" "start" "-a" "9cab4d521329eddfc4eab42137541b91038ace5fe74b2bf84e182baa6428c5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cab4d521329eddfc4eab42137541b91038ace5fe74b2bf84e182baa6428c5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cab4d521329eddfc4eab42137541b91038ace5fe74b2bf84e182baa6428c5c0", kill_on_drop: false }`
[INFO] [stdout] 9cab4d521329eddfc4eab42137541b91038ace5fe74b2bf84e182baa6428c5c0
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c39ddfcce87d1c0c6ab87a24669ef5a1e2215be486d7896183f3c4fb52411a1
[INFO] running `Command { std: "docker" "start" "-a" "5c39ddfcce87d1c0c6ab87a24669ef5a1e2215be486d7896183f3c4fb52411a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking xmlparser v0.13.5
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]     Checking strict-num v0.1.0
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking roxmltree v0.18.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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] [stdout] error: aborting due to 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" "5c39ddfcce87d1c0c6ab87a24669ef5a1e2215be486d7896183f3c4fb52411a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c39ddfcce87d1c0c6ab87a24669ef5a1e2215be486d7896183f3c4fb52411a1", kill_on_drop: false }`
[INFO] [stdout] 5c39ddfcce87d1c0c6ab87a24669ef5a1e2215be486d7896183f3c4fb52411a1