[INFO] cloning repository https://github.com/ymc182/rust_neural
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymc182/rust_neural" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymc182%2Frust_neural", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymc182%2Frust_neural'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b5f2a37a08068f025289702541c90c16dbe1c10
[INFO] building ymc182/rust_neural against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymc182%2Frust_neural" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ymc182/rust_neural on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ymc182/rust_neural
[INFO] finished tweaking git repo https://github.com/ymc182/rust_neural
[INFO] tweaked toml for git repo https://github.com/ymc182/rust_neural written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ymc182/rust_neural 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b0b91b669c561f47afb047f104dc4ce97b95b7ec6d93387ccb1663d23d7f8d9
[INFO] running `Command { std: "docker" "start" "-a" "3b0b91b669c561f47afb047f104dc4ce97b95b7ec6d93387ccb1663d23d7f8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b0b91b669c561f47afb047f104dc4ce97b95b7ec6d93387ccb1663d23d7f8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0b91b669c561f47afb047f104dc4ce97b95b7ec6d93387ccb1663d23d7f8d9", kill_on_drop: false }`
[INFO] [stdout] 3b0b91b669c561f47afb047f104dc4ce97b95b7ec6d93387ccb1663d23d7f8d9
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae896416677ff7183921af292ecd21554fd19865f6e8e20309aecbbc4ee58770
[INFO] running `Command { std: "docker" "start" "-a" "ae896416677ff7183921af292ecd21554fd19865f6e8e20309aecbbc4ee58770", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_neural v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/main.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn forward(&self, input: Vec<f32>) -> f32 {
[INFO] [stdout]   |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "ae896416677ff7183921af292ecd21554fd19865f6e8e20309aecbbc4ee58770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae896416677ff7183921af292ecd21554fd19865f6e8e20309aecbbc4ee58770", kill_on_drop: false }`
[INFO] [stdout] ae896416677ff7183921af292ecd21554fd19865f6e8e20309aecbbc4ee58770
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cf034c9be04401bee2b1de38db542608cfee3df3315d99baeea3438417e707b
[INFO] running `Command { std: "docker" "start" "-a" "6cf034c9be04401bee2b1de38db542608cfee3df3315d99baeea3438417e707b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_neural v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/main.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn forward(&self, input: Vec<f32>) -> f32 {
[INFO] [stdout]   |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "6cf034c9be04401bee2b1de38db542608cfee3df3315d99baeea3438417e707b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf034c9be04401bee2b1de38db542608cfee3df3315d99baeea3438417e707b", kill_on_drop: false }`
[INFO] [stdout] 6cf034c9be04401bee2b1de38db542608cfee3df3315d99baeea3438417e707b