[INFO] cloning repository https://github.com/KaitlynEthylia/number-noticing-neural-network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KaitlynEthylia/number-noticing-neural-network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaitlynEthylia%2Fnumber-noticing-neural-network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaitlynEthylia%2Fnumber-noticing-neural-network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a7800151c3b9925c548f919ab93350d7270c4d4
[INFO] checking KaitlynEthylia/number-noticing-neural-network/4a7800151c3b9925c548f919ab93350d7270c4d4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaitlynEthylia%2Fnumber-noticing-neural-network" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KaitlynEthylia/number-noticing-neural-network on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KaitlynEthylia/number-noticing-neural-network
[INFO] finished tweaking git repo https://github.com/KaitlynEthylia/number-noticing-neural-network
[INFO] tweaked toml for git repo https://github.com/KaitlynEthylia/number-noticing-neural-network written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/KaitlynEthylia/number-noticing-neural-network 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a244d4916e6125b10cf052e036e69bcd97dea8073d0caf66edfa85ae11bdb00b
[INFO] running `Command { std: "docker" "start" "-a" "a244d4916e6125b10cf052e036e69bcd97dea8073d0caf66edfa85ae11bdb00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a244d4916e6125b10cf052e036e69bcd97dea8073d0caf66edfa85ae11bdb00b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a244d4916e6125b10cf052e036e69bcd97dea8073d0caf66edfa85ae11bdb00b", kill_on_drop: false }`
[INFO] [stdout] a244d4916e6125b10cf052e036e69bcd97dea8073d0caf66edfa85ae11bdb00b
[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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5976bb41ca71d3046c3bf9079c66abaf73871640588cdcc17e2238cd3f2b249
[INFO] running `Command { std: "docker" "start" "-a" "a5976bb41ca71d3046c3bf9079c66abaf73871640588cdcc17e2238cd3f2b249", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking activation_functions v0.1.1
[INFO] [stderr]     Checking mnist v0.5.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking number-noticing-neural-network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "a5976bb41ca71d3046c3bf9079c66abaf73871640588cdcc17e2238cd3f2b249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5976bb41ca71d3046c3bf9079c66abaf73871640588cdcc17e2238cd3f2b249", kill_on_drop: false }`
[INFO] [stdout] a5976bb41ca71d3046c3bf9079c66abaf73871640588cdcc17e2238cd3f2b249