[INFO] crate ising_lib 0.3.0 is already in cache
[INFO] checking ising_lib-0.3.0 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate ising_lib 0.3.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate ising_lib 0.3.0 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ising_lib 0.3.0
[INFO] finished tweaking crates.io crate ising_lib 0.3.0
[INFO] tweaked toml for crates.io crate ising_lib 0.3.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ising_lib 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b74ad11cb04764b5c57ffa371f1b37aa1e975ce8f4f02b95dba1a597c47d350c
[INFO] running `"docker" "start" "-a" "b74ad11cb04764b5c57ffa371f1b37aa1e975ce8f4f02b95dba1a597c47d350c"`
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rand_pcg v0.2.0
[INFO] [stderr]     Checking bstr v0.2.7
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.1
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking ising_lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr] warning: unused variable: `probability`
[INFO] [stderr]   --> benches/lattice.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let probability = calc_flip_probability(E_diff, 1.0);
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: consider prefixing with an underscore: `_probability`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `E`
[INFO] [stderr]   --> benches/lattice.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |             let E = lattice.measure_E();
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_E`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `"docker" "inspect" "b74ad11cb04764b5c57ffa371f1b37aa1e975ce8f4f02b95dba1a597c47d350c"`
[INFO] running `"docker" "rm" "-f" "b74ad11cb04764b5c57ffa371f1b37aa1e975ce8f4f02b95dba1a597c47d350c"`
[INFO] [stdout] b74ad11cb04764b5c57ffa371f1b37aa1e975ce8f4f02b95dba1a597c47d350c