[INFO] cloning repository https://github.com/tobloef/neural-network-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tobloef/neural-network-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobloef%2Fneural-network-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobloef%2Fneural-network-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa111c3e2f436f78ddde8df3276d130ca84d2236
[INFO] checking tobloef/neural-network-rust against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobloef%2Fneural-network-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
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Updating files: 100% (4131/4131), done.
[INFO] started tweaking git repo https://github.com/tobloef/neural-network-rust
[INFO] finished tweaking git repo https://github.com/tobloef/neural-network-rust
[INFO] tweaked toml for git repo https://github.com/tobloef/neural-network-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tobloef/neural-network-rust on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tobloef/neural-network-rust 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tobloef/neural-network-rust against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobloef%2Fneural-network-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
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Updating files: 100% (4131/4131), done.
[INFO] started tweaking git repo https://github.com/tobloef/neural-network-rust
[INFO] finished tweaking git repo https://github.com/tobloef/neural-network-rust
[INFO] tweaked toml for git repo https://github.com/tobloef/neural-network-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tobloef/neural-network-rust on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tobloef/neural-network-rust 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tobloef/neural-network-rust against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobloef%2Fneural-network-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
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Updating files: 100% (4131/4131), done.
[INFO] started tweaking git repo https://github.com/tobloef/neural-network-rust
[INFO] finished tweaking git repo https://github.com/tobloef/neural-network-rust
[INFO] tweaked toml for git repo https://github.com/tobloef/neural-network-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tobloef/neural-network-rust on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tobloef/neural-network-rust 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tobloef/neural-network-rust against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobloef%2Fneural-network-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:   1% (45/4131)
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[INFO] started tweaking git repo https://github.com/tobloef/neural-network-rust
[INFO] finished tweaking git repo https://github.com/tobloef/neural-network-rust
[INFO] tweaked toml for git repo https://github.com/tobloef/neural-network-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tobloef/neural-network-rust on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tobloef/neural-network-rust 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tobloef/neural-network-rust against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobloef%2Fneural-network-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/tobloef/neural-network-rust
[INFO] finished tweaking git repo https://github.com/tobloef/neural-network-rust
[INFO] tweaked toml for git repo https://github.com/tobloef/neural-network-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tobloef/neural-network-rust on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tobloef/neural-network-rust 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded bytemuck v1.12.3
[INFO] [stderr]   Downloaded rgb v0.8.34
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded bmp v0.5.0
[INFO] [stderr]   Downloaded drawille v0.3.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.10
[INFO] [stderr]   Downloaded ctrlc v3.2.4
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.85
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.2
[INFO] [stderr]   Downloaded rand_seeder v0.2.3
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded num-complex v0.4.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.14
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.13
[INFO] [stderr]   Downloaded console v0.15.3
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded indicatif v0.17.2
[INFO] [stderr]   Downloaded rayon-core v1.10.1
[INFO] [stderr]   Downloaded bumpalo v3.11.1
[INFO] [stderr]   Downloaded cxx-build v1.0.85
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.85
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.6
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded portable-atomic v0.3.19
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dd31866bc4f0a2888f4e1da679f8431356bd946c76e283c66410e52e0d9a2429
[INFO] running `Command { std: "docker" "start" "dd31866bc4f0a2888f4e1da679f8431356bd946c76e283c66410e52e0d9a2429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd31866bc4f0a2888f4e1da679f8431356bd946c76e283c66410e52e0d9a2429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dd31866bc4f0a2888f4e1da679f8431356bd946c76e283c66410e52e0d9a2429" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd31866bc4f0a2888f4e1da679f8431356bd946c76e283c66410e52e0d9a2429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dd31866bc4f0a2888f4e1da679f8431356bd946c76e283c66410e52e0d9a2429" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking bytemuck v1.12.3
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking rgb v0.8.34
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]     Checking mnist v0.5.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking dyn-clone v1.0.10
[INFO] [stderr]     Checking meval v0.2.0
[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" "dd31866bc4f0a2888f4e1da679f8431356bd946c76e283c66410e52e0d9a2429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd31866bc4f0a2888f4e1da679f8431356bd946c76e283c66410e52e0d9a2429", kill_on_drop: false }`
[INFO] [stdout] dd31866bc4f0a2888f4e1da679f8431356bd946c76e283c66410e52e0d9a2429
