[INFO] updating cached repository https://github.com/hhatto/cargo-strict
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] 75d68cdc1d4efb8519787a0dbdc5c266f7eb9e03
[INFO] testing hhatto/cargo-strict against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhhatto%2Fcargo-strict" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hhatto/cargo-strict on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hhatto/cargo-strict
[INFO] finished tweaking git repo https://github.com/hhatto/cargo-strict
[INFO] tweaked toml for git repo https://github.com/hhatto/cargo-strict written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/hhatto/cargo-strict already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] da8cd35bfd8d247744d287c6163934c15d60f8e18588c822f48dfc01726ccd8b
[INFO] running `"docker" "start" "-a" "da8cd35bfd8d247744d287c6163934c15d60f8e18588c822f48dfc01726ccd8b"`
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling cargo-strict v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `"docker" "inspect" "da8cd35bfd8d247744d287c6163934c15d60f8e18588c822f48dfc01726ccd8b"`
[INFO] running `"docker" "rm" "-f" "da8cd35bfd8d247744d287c6163934c15d60f8e18588c822f48dfc01726ccd8b"`
[INFO] [stdout] da8cd35bfd8d247744d287c6163934c15d60f8e18588c822f48dfc01726ccd8b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc4464a89deb4ce31693c197e53a6b52b16442201e7789b7c2ced68e06251127
[INFO] running `"docker" "start" "-a" "fc4464a89deb4ce31693c197e53a6b52b16442201e7789b7c2ced68e06251127"`
[INFO] [stderr]    Compiling cargo-strict v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `ignore`
[INFO] [stderr]  --> examples/simple.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let ignore = "s.unwrap();";
[INFO] [stderr]   |         ^^^^^^ help: consider prefixing with an underscore: `_ignore`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "fc4464a89deb4ce31693c197e53a6b52b16442201e7789b7c2ced68e06251127"`
[INFO] running `"docker" "rm" "-f" "fc4464a89deb4ce31693c197e53a6b52b16442201e7789b7c2ced68e06251127"`
[INFO] [stdout] fc4464a89deb4ce31693c197e53a6b52b16442201e7789b7c2ced68e06251127
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 7219160fd07d11bf07d0c5fe32f9e058a02224f861aee87ca06dc27e6d552f9e
[INFO] running `"docker" "start" "-a" "7219160fd07d11bf07d0c5fe32f9e058a02224f861aee87ca06dc27e6d552f9e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_strict-6005db17bdb0a2f8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7219160fd07d11bf07d0c5fe32f9e058a02224f861aee87ca06dc27e6d552f9e"`
[INFO] running `"docker" "rm" "-f" "7219160fd07d11bf07d0c5fe32f9e058a02224f861aee87ca06dc27e6d552f9e"`
[INFO] [stdout] 7219160fd07d11bf07d0c5fe32f9e058a02224f861aee87ca06dc27e6d552f9e