[INFO] cloning repository https://github.com/MelvinSam2000/neural-networks-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MelvinSam2000/neural-networks-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelvinSam2000%2Fneural-networks-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelvinSam2000%2Fneural-networks-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b134245fc97446e5b07f59ad05f1541a55768022
[INFO] checking MelvinSam2000/neural-networks-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelvinSam2000%2Fneural-networks-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MelvinSam2000/neural-networks-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MelvinSam2000/neural-networks-rs
[INFO] finished tweaking git repo https://github.com/MelvinSam2000/neural-networks-rs
[INFO] tweaked toml for git repo https://github.com/MelvinSam2000/neural-networks-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MelvinSam2000/neural-networks-rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.17
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.16
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[INFO] [stderr]   Downloaded curl v0.4.44
[INFO] [stderr]   Downloaded curl-sys v0.4.70+curl-8.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c427c0ab2ffa751a457f7c38731bca07ab42b636bbce5810003f44b508dd4214
[INFO] running `Command { std: "docker" "start" "-a" "c427c0ab2ffa751a457f7c38731bca07ab42b636bbce5810003f44b508dd4214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c427c0ab2ffa751a457f7c38731bca07ab42b636bbce5810003f44b508dd4214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c427c0ab2ffa751a457f7c38731bca07ab42b636bbce5810003f44b508dd4214", kill_on_drop: false }`
[INFO] [stdout] c427c0ab2ffa751a457f7c38731bca07ab42b636bbce5810003f44b508dd4214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4296ade6c1d32258fe89060728f7da5f9addd3857c23493e0ae00f29e7716942
[INFO] running `Command { std: "docker" "start" "-a" "4296ade6c1d32258fe89060728f7da5f9addd3857c23493e0ae00f29e7716942", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
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[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking equivalent v1.0.1
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]     Checking winnow v0.5.28
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking wide v0.7.13
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[INFO] [stderr]    Compiling anyhow v1.0.75
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[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking rayon-core v1.12.0
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[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling curl-sys v0.4.70+curl-8.5.0
[INFO] [stderr]     Checking simba v0.8.1
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[INFO] [stderr]    Compiling serde_derive v1.0.193
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[INFO] [stderr]     Checking reductive v0.9.0
[INFO] [stderr]     Checking nalgebra v0.32.3
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[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking toml_edit v0.21.0
[INFO] [stderr]     Checking toml v0.8.8
[INFO] [stderr]     Checking finalfusion v0.18.0
[INFO] [stderr]     Checking ann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.20s
[INFO] running `Command { std: "docker" "inspect" "4296ade6c1d32258fe89060728f7da5f9addd3857c23493e0ae00f29e7716942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4296ade6c1d32258fe89060728f7da5f9addd3857c23493e0ae00f29e7716942", kill_on_drop: false }`
[INFO] [stdout] 4296ade6c1d32258fe89060728f7da5f9addd3857c23493e0ae00f29e7716942
[INFO] checking MelvinSam2000/neural-networks-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMelvinSam2000%2Fneural-networks-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MelvinSam2000/neural-networks-rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MelvinSam2000/neural-networks-rs
[INFO] finished tweaking git repo https://github.com/MelvinSam2000/neural-networks-rs
[INFO] tweaked toml for git repo https://github.com/MelvinSam2000/neural-networks-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MelvinSam2000/neural-networks-rs 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 622b04131e0e654896f75334e64fbb451b637f68acf3ce19ce870076abf9718a
[INFO] running `Command { std: "docker" "start" "-a" "622b04131e0e654896f75334e64fbb451b637f68acf3ce19ce870076abf9718a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "622b04131e0e654896f75334e64fbb451b637f68acf3ce19ce870076abf9718a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622b04131e0e654896f75334e64fbb451b637f68acf3ce19ce870076abf9718a", kill_on_drop: false }`
[INFO] [stdout] 622b04131e0e654896f75334e64fbb451b637f68acf3ce19ce870076abf9718a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9488cc4dee720bb5ee1f865210910125685e7569a824c8627b2071aec1e94822
[INFO] running `Command { std: "docker" "start" "-a" "9488cc4dee720bb5ee1f865210910125685e7569a824c8627b2071aec1e94822", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking either v1.9.0
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking winnow v0.5.28
[INFO] [stderr]     Checking miniz_oxide v0.7.1
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[INFO] [stderr]     Checking finalfusion v0.18.0
[INFO] [stderr]     Checking ann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.83s
[INFO] running `Command { std: "docker" "inspect" "9488cc4dee720bb5ee1f865210910125685e7569a824c8627b2071aec1e94822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9488cc4dee720bb5ee1f865210910125685e7569a824c8627b2071aec1e94822", kill_on_drop: false }`
[INFO] [stdout] 9488cc4dee720bb5ee1f865210910125685e7569a824c8627b2071aec1e94822