[INFO] fetching crate spsa 0.2.1...
[INFO] checking spsa-0.2.1 against try#e3fba958e26aa56a364ba6d36376f1800cd40fa5 for pr-101437
[INFO] extracting crate spsa 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate spsa 0.2.1 on toolchain e3fba958e26aa56a364ba6d36376f1800cd40fa5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3fba958e26aa56a364ba6d36376f1800cd40fa5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spsa 0.2.1
[INFO] finished tweaking crates.io crate spsa 0.2.1
[INFO] tweaked toml for crates.io crate spsa 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3fba958e26aa56a364ba6d36376f1800cd40fa5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3fba958e26aa56a364ba6d36376f1800cd40fa5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+e3fba958e26aa56a364ba6d36376f1800cd40fa5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99e50b7621300d74701c3ed59e24449bf0b4d375770de9f707f72eae2e66eac6
[INFO] running `Command { std: "docker" "start" "-a" "99e50b7621300d74701c3ed59e24449bf0b4d375770de9f707f72eae2e66eac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99e50b7621300d74701c3ed59e24449bf0b4d375770de9f707f72eae2e66eac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e50b7621300d74701c3ed59e24449bf0b4d375770de9f707f72eae2e66eac6", kill_on_drop: false }`
[INFO] [stdout] 99e50b7621300d74701c3ed59e24449bf0b4d375770de9f707f72eae2e66eac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+e3fba958e26aa56a364ba6d36376f1800cd40fa5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97f2c46fcfd6d895ca6e4e23a00df6f5661d09f93bb9d1614cfe60633b89a570
[INFO] running `Command { std: "docker" "start" "-a" "97f2c46fcfd6d895ca6e4e23a00df6f5661d09f93bb9d1614cfe60633b89a570", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling packed_simd_2 v0.3.8
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking spsa v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `minimize`
[INFO] [stdout]  --> tests/test.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use spsa::{minimize, Optimizer, Options, Target, TargetExt};
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.41s
[INFO] running `Command { std: "docker" "inspect" "97f2c46fcfd6d895ca6e4e23a00df6f5661d09f93bb9d1614cfe60633b89a570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f2c46fcfd6d895ca6e4e23a00df6f5661d09f93bb9d1614cfe60633b89a570", kill_on_drop: false }`
[INFO] [stdout] 97f2c46fcfd6d895ca6e4e23a00df6f5661d09f93bb9d1614cfe60633b89a570