[INFO] cloning repository https://github.com/cmi-dair/neurothumb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmi-dair/neurothumb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmi-dair%2Fneurothumb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmi-dair%2Fneurothumb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ce2d5509cd8722308d1aa819441d3eb12ceb525
[INFO] checking cmi-dair/neurothumb against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmi-dair%2Fneurothumb" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cmi-dair/neurothumb
[INFO] finished tweaking git repo https://github.com/cmi-dair/neurothumb
[INFO] tweaked toml for git repo https://github.com/cmi-dair/neurothumb written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cmi-dair/neurothumb on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cmi-dair/neurothumb 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteordered v0.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.85
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.85
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.85
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded safe-transmute v0.11.2
[INFO] [stderr]   Downloaded nifti v0.15.0
[INFO] [stderr]   Downloaded js-sys v0.3.62
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.85
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.85
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4660979d413b68a69c048f5458af1055fd9572ac624d7a283f916c0def5ca476
[INFO] running `Command { std: "docker" "start" "-a" "4660979d413b68a69c048f5458af1055fd9572ac624d7a283f916c0def5ca476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4660979d413b68a69c048f5458af1055fd9572ac624d7a283f916c0def5ca476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4660979d413b68a69c048f5458af1055fd9572ac624d7a283f916c0def5ca476", kill_on_drop: false }`
[INFO] [stdout] 4660979d413b68a69c048f5458af1055fd9572ac624d7a283f916c0def5ca476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21e27242789971119c175fbc7ef5225dfe93e22234068117d46dd57d7924fd5b
[INFO] running `Command { std: "docker" "start" "-a" "21e27242789971119c175fbc7ef5225dfe93e22234068117d46dd57d7924fd5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking byteordered v0.6.0
[INFO] [stderr]     Checking safe-transmute v0.11.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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 flate2 v1.0.26
[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" "21e27242789971119c175fbc7ef5225dfe93e22234068117d46dd57d7924fd5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e27242789971119c175fbc7ef5225dfe93e22234068117d46dd57d7924fd5b", kill_on_drop: false }`
[INFO] [stdout] 21e27242789971119c175fbc7ef5225dfe93e22234068117d46dd57d7924fd5b