[INFO] updating cached repository https://github.com/mexus/k-nucleotide-experiments
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c37f2eee2e698c96bc8ccf1a72cfa358a5be3731
[INFO] checking mexus/k-nucleotide-experiments against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fk-nucleotide-experiments" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mexus/k-nucleotide-experiments on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mexus/k-nucleotide-experiments
[INFO] finished tweaking git repo https://github.com/mexus/k-nucleotide-experiments
[INFO] tweaked toml for git repo https://github.com/mexus/k-nucleotide-experiments written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mexus/k-nucleotide-experiments already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9bd44b5a96cc3b3757db184d8092c014c534cf59fba29888b296ac10ab60cd90
[INFO] running `"docker" "start" "-a" "9bd44b5a96cc3b3757db184d8092c014c534cf59fba29888b296ac10ab60cd90"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking rust-4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.44s
[INFO] running `"docker" "inspect" "9bd44b5a96cc3b3757db184d8092c014c534cf59fba29888b296ac10ab60cd90"`
[INFO] running `"docker" "rm" "-f" "9bd44b5a96cc3b3757db184d8092c014c534cf59fba29888b296ac10ab60cd90"`
[INFO] [stdout] 9bd44b5a96cc3b3757db184d8092c014c534cf59fba29888b296ac10ab60cd90