[INFO] cloning repository https://github.com/yuniruyuni/lorenz-simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuniruyuni/lorenz-simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuniruyuni%2Florenz-simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuniruyuni%2Florenz-simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b1b45dd29ef40599da908504321d34ee4e19cef
[INFO] checking yuniruyuni/lorenz-simulator against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuniruyuni%2Florenz-simulator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yuniruyuni/lorenz-simulator
[INFO] finished tweaking git repo https://github.com/yuniruyuni/lorenz-simulator
[INFO] tweaked toml for git repo https://github.com/yuniruyuni/lorenz-simulator written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yuniruyuni/lorenz-simulator on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yuniruyuni/lorenz-simulator 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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e3d1c65501f77deeec23401f337efe1cb63c467fff781622eba9d613ae54d9a
[INFO] running `Command { std: "docker" "start" "-a" "8e3d1c65501f77deeec23401f337efe1cb63c467fff781622eba9d613ae54d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e3d1c65501f77deeec23401f337efe1cb63c467fff781622eba9d613ae54d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3d1c65501f77deeec23401f337efe1cb63c467fff781622eba9d613ae54d9a", kill_on_drop: false }`
[INFO] [stdout] 8e3d1c65501f77deeec23401f337efe1cb63c467fff781622eba9d613ae54d9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b433fc01da6d08d7b606bf2c8b5964c0c818e1e138a25927afd51c9969397e94
[INFO] running `Command { std: "docker" "start" "-a" "b433fc01da6d08d7b606bf2c8b5964c0c818e1e138a25927afd51c9969397e94", kill_on_drop: false }`
[INFO] [stderr]     Checking lorenz-simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `EularMethodSimulator` is never constructed
[INFO] [stdout]  --> src/eular.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct EularMethodSimulator<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EularMethodSimulator` is never constructed
[INFO] [stdout]  --> src/eular.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct EularMethodSimulator<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/eular.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> EularMethodSimulator<'a> {
[INFO] [stdout]    | --------------------------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(f: &'a dyn DiffFunc, dx: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/eular.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'a> EularMethodSimulator<'a> {
[INFO] [stdout]    | --------------------------------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(f: &'a dyn DiffFunc, dx: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "b433fc01da6d08d7b606bf2c8b5964c0c818e1e138a25927afd51c9969397e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b433fc01da6d08d7b606bf2c8b5964c0c818e1e138a25927afd51c9969397e94", kill_on_drop: false }`
[INFO] [stdout] b433fc01da6d08d7b606bf2c8b5964c0c818e1e138a25927afd51c9969397e94