[INFO] cloning repository https://github.com/LairdWT/dicom_to_exr_convertor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LairdWT/dicom_to_exr_convertor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLairdWT%2Fdicom_to_exr_convertor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLairdWT%2Fdicom_to_exr_convertor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c88eb02256581576f95ea148f28b3f69e3c2cbd
[INFO] checking LairdWT/dicom_to_exr_convertor/9c88eb02256581576f95ea148f28b3f69e3c2cbd against master#3cdcdaf31b45f8045164aae9604573d23091970b for pr-122267
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLairdWT%2Fdicom_to_exr_convertor" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LairdWT/dicom_to_exr_convertor on toolchain 3cdcdaf31b45f8045164aae9604573d23091970b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LairdWT/dicom_to_exr_convertor
[INFO] finished tweaking git repo https://github.com/LairdWT/dicom_to_exr_convertor
[INFO] tweaked toml for git repo https://github.com/LairdWT/dicom_to_exr_convertor written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LairdWT/dicom_to_exr_convertor 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" "+3cdcdaf31b45f8045164aae9604573d23091970b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dicom-transfer-syntax-registry v0.5.1
[INFO] [stderr]   Downloaded dicom-pixeldata v0.1.5
[INFO] [stderr]   Downloaded byteordered v0.6.0
[INFO] [stderr]   Downloaded dicom v0.5.4
[INFO] [stderr]   Downloaded dicom-encoding v0.5.3
[INFO] [stderr]   Downloaded dicom-ul v0.4.4
[INFO] [stderr]   Downloaded dicom-parser v0.5.3
[INFO] [stderr]   Downloaded dicom-core v0.5.3
[INFO] [stderr]   Downloaded dicom-dictionary-std v0.5.0
[INFO] [stderr]   Downloaded dicom-object v0.5.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e0379b2e3ee842c7a775fe9257b67f195e8ba27d35e30e8392a406bc8ac55a2
[INFO] running `Command { std: "docker" "start" "-a" "6e0379b2e3ee842c7a775fe9257b67f195e8ba27d35e30e8392a406bc8ac55a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e0379b2e3ee842c7a775fe9257b67f195e8ba27d35e30e8392a406bc8ac55a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0379b2e3ee842c7a775fe9257b67f195e8ba27d35e30e8392a406bc8ac55a2", kill_on_drop: false }`
[INFO] [stdout] 6e0379b2e3ee842c7a775fe9257b67f195e8ba27d35e30e8392a406bc8ac55a2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f4550327a460d71f7f70f948b49f01646f5bfcd1428c04eea9bf3eaeab405a8
[INFO] running `Command { std: "docker" "start" "-a" "2f4550327a460d71f7f70f948b49f01646f5bfcd1428c04eea9bf3eaeab405a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking iana-time-zone v0.1.54
[INFO] [stderr]     Checking safe-transmute v0.11.2
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking byteordered v0.6.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking lock_api v0.4.9
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking zune-inflate v0.2.53
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.55/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 num-complex v0.4.3
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[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]     Checking time v0.1.45
[INFO] [stderr]     Checking getrandom v0.2.8
[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" "2f4550327a460d71f7f70f948b49f01646f5bfcd1428c04eea9bf3eaeab405a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4550327a460d71f7f70f948b49f01646f5bfcd1428c04eea9bf3eaeab405a8", kill_on_drop: false }`
[INFO] [stdout] 2f4550327a460d71f7f70f948b49f01646f5bfcd1428c04eea9bf3eaeab405a8