[INFO] updating cached repository https://github.com/rustomax/rust-iterators
[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] 8b7023cb4a34d9d6fe70603328d139aa02056504
[INFO] testing rustomax/rust-iterators against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustomax%2Frust-iterators" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustomax/rust-iterators 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/rustomax/rust-iterators
[INFO] finished tweaking git repo https://github.com/rustomax/rust-iterators
[INFO] tweaked toml for git repo https://github.com/rustomax/rust-iterators written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rustomax/rust-iterators 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 88c7661b40d8cfe4fba8bba738e85dbcd13d0967b4cd2fff7abfe80cb77c3349
[INFO] running `"docker" "start" "-a" "88c7661b40d8cfe4fba8bba738e85dbcd13d0967b4cd2fff7abfe80cb77c3349"`
[INFO] [stderr]    Compiling char-iter v0.1.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `"docker" "inspect" "88c7661b40d8cfe4fba8bba738e85dbcd13d0967b4cd2fff7abfe80cb77c3349"`
[INFO] running `"docker" "rm" "-f" "88c7661b40d8cfe4fba8bba738e85dbcd13d0967b4cd2fff7abfe80cb77c3349"`
[INFO] [stdout] 88c7661b40d8cfe4fba8bba738e85dbcd13d0967b4cd2fff7abfe80cb77c3349
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] d4ca6f4dead8f8d712a7c11e36b4b52023a7b7b165a6ef0c1c137d381c491884
[INFO] running `"docker" "start" "-a" "d4ca6f4dead8f8d712a7c11e36b4b52023a7b7b165a6ef0c1c137d381c491884"`
[INFO] [stderr]    Compiling iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "d4ca6f4dead8f8d712a7c11e36b4b52023a7b7b165a6ef0c1c137d381c491884"`
[INFO] running `"docker" "rm" "-f" "d4ca6f4dead8f8d712a7c11e36b4b52023a7b7b165a6ef0c1c137d381c491884"`
[INFO] [stdout] d4ca6f4dead8f8d712a7c11e36b4b52023a7b7b165a6ef0c1c137d381c491884
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 2f2d7176ba17039fd793891eba4ab008acb012c65685e07d58ccfb6ede40d4cf
[INFO] running `"docker" "start" "-a" "2f2d7176ba17039fd793891eba4ab008acb012c65685e07d58ccfb6ede40d4cf"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iterators-4ca86596288eafd1
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_ftc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2f2d7176ba17039fd793891eba4ab008acb012c65685e07d58ccfb6ede40d4cf"`
[INFO] running `"docker" "rm" "-f" "2f2d7176ba17039fd793891eba4ab008acb012c65685e07d58ccfb6ede40d4cf"`
[INFO] [stdout] 2f2d7176ba17039fd793891eba4ab008acb012c65685e07d58ccfb6ede40d4cf