[INFO] fetching crate nifti 0.16.0...
[INFO] checking nifti-0.16.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate nifti 0.16.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nifti 0.16.0 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 nifti 0.16.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nifti 0.16.0
[INFO] tweaked toml for crates.io crate nifti 0.16.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate nifti 0.16.0 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 byteordered v0.6.0
[INFO] [stderr]   Downloaded nalgebra-macros v0.2.0
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded safe_arch v0.6.0
[INFO] [stderr]   Downloaded syn v1.0.104
[INFO] [stderr]   Downloaded wide v0.7.5
[INFO] [stderr]   Downloaded nalgebra v0.32.2
[INFO] [stderr]   Downloaded ndarray v0.15.6
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4edb7fc2df1b1300fd92e5aa80def9f9273e1765824527eb9f7b919787a7e545
[INFO] running `Command { std: "docker" "start" "-a" "4edb7fc2df1b1300fd92e5aa80def9f9273e1765824527eb9f7b919787a7e545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4edb7fc2df1b1300fd92e5aa80def9f9273e1765824527eb9f7b919787a7e545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4edb7fc2df1b1300fd92e5aa80def9f9273e1765824527eb9f7b919787a7e545", kill_on_drop: false }`
[INFO] [stdout] 4edb7fc2df1b1300fd92e5aa80def9f9273e1765824527eb9f7b919787a7e545
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5a94c89b4ad6b29802ae8b3a3901f636918a02b5dac298c384cb95604a75fc2
[INFO] running `Command { std: "docker" "start" "-a" "c5a94c89b4ad6b29802ae8b3a3901f636918a02b5dac298c384cb95604a75fc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking rgb v0.8.36
[INFO] [stderr]     Checking byteordered v0.6.0
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 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" "c5a94c89b4ad6b29802ae8b3a3901f636918a02b5dac298c384cb95604a75fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a94c89b4ad6b29802ae8b3a3901f636918a02b5dac298c384cb95604a75fc2", kill_on_drop: false }`
[INFO] [stdout] c5a94c89b4ad6b29802ae8b3a3901f636918a02b5dac298c384cb95604a75fc2
[INFO] checking nifti-0.16.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate nifti 0.16.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate nifti 0.16.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nifti 0.16.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nifti 0.16.0
[INFO] tweaked toml for crates.io crate nifti 0.16.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate nifti 0.16.0 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c807d5fc0f1311027baa3e7c49983c114872e115dc4eb9afd27f00142f547186
[INFO] running `Command { std: "docker" "start" "-a" "c807d5fc0f1311027baa3e7c49983c114872e115dc4eb9afd27f00142f547186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c807d5fc0f1311027baa3e7c49983c114872e115dc4eb9afd27f00142f547186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c807d5fc0f1311027baa3e7c49983c114872e115dc4eb9afd27f00142f547186", kill_on_drop: false }`
[INFO] [stdout] c807d5fc0f1311027baa3e7c49983c114872e115dc4eb9afd27f00142f547186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f51452ba374cad29c505884edcf15333d2746f36c20641cf6663d5c302d948e7
[INFO] running `Command { std: "docker" "start" "-a" "f51452ba374cad29c505884edcf15333d2746f36c20641cf6663d5c302d948e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking rgb v0.8.36
[INFO] [stderr]     Checking byteordered v0.6.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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 v1.0.25
[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" "f51452ba374cad29c505884edcf15333d2746f36c20641cf6663d5c302d948e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51452ba374cad29c505884edcf15333d2746f36c20641cf6663d5c302d948e7", kill_on_drop: false }`
[INFO] [stdout] f51452ba374cad29c505884edcf15333d2746f36c20641cf6663d5c302d948e7
