[INFO] updating cached repository https://github.com/Vagelis-Prokopiou/rs_fibonacci
[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] 795f75602f4469f1abb5b8039fa687b1952511d8
[INFO] testing Vagelis-Prokopiou/rs_fibonacci against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FVagelis-Prokopiou%2Frs_fibonacci" "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/Vagelis-Prokopiou/rs_fibonacci 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/Vagelis-Prokopiou/rs_fibonacci
[INFO] finished tweaking git repo https://github.com/Vagelis-Prokopiou/rs_fibonacci
[INFO] tweaked toml for git repo https://github.com/Vagelis-Prokopiou/rs_fibonacci written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Vagelis-Prokopiou/rs_fibonacci 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] 9980294fcfd6f4272114ade58550b56b547f12b1a50395c808c71c02abf3d928
[INFO] running `"docker" "start" "-a" "9980294fcfd6f4272114ade58550b56b547f12b1a50395c808c71c02abf3d928"`
[INFO] [stderr]    Compiling rust_fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "9980294fcfd6f4272114ade58550b56b547f12b1a50395c808c71c02abf3d928"`
[INFO] running `"docker" "rm" "-f" "9980294fcfd6f4272114ade58550b56b547f12b1a50395c808c71c02abf3d928"`
[INFO] [stdout] 9980294fcfd6f4272114ade58550b56b547f12b1a50395c808c71c02abf3d928
[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] ee7f166089d3994b1eee286f8ab03e784d74f8aeaa06e5c79c5b3c3e4eb7d434
[INFO] running `"docker" "start" "-a" "ee7f166089d3994b1eee286f8ab03e784d74f8aeaa06e5c79c5b3c3e4eb7d434"`
[INFO] [stderr]    Compiling rust_fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "ee7f166089d3994b1eee286f8ab03e784d74f8aeaa06e5c79c5b3c3e4eb7d434"`
[INFO] running `"docker" "rm" "-f" "ee7f166089d3994b1eee286f8ab03e784d74f8aeaa06e5c79c5b3c3e4eb7d434"`
[INFO] [stdout] ee7f166089d3994b1eee286f8ab03e784d74f8aeaa06e5c79c5b3c3e4eb7d434
[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] 5f26057970447f36eeef0e6e4c1e1ad0e5c9ad86f29f9a0bda31b8ad3f8f959c
[INFO] running `"docker" "start" "-a" "5f26057970447f36eeef0e6e4c1e1ad0e5c9ad86f29f9a0bda31b8ad3f8f959c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fibonacci-2e904627684212fb
[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] [stderr]      Running /opt/rustwide/target/debug/deps/tests-100d0fe0749f85ab
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_fibonacci_iterative ... ok
[INFO] [stdout] test test_fibonacci_with_array_memoization ... ok
[INFO] [stdout] test test_fibonacci_with_hashmap_memoization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fibonacci
[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" "5f26057970447f36eeef0e6e4c1e1ad0e5c9ad86f29f9a0bda31b8ad3f8f959c"`
[INFO] running `"docker" "rm" "-f" "5f26057970447f36eeef0e6e4c1e1ad0e5c9ad86f29f9a0bda31b8ad3f8f959c"`
[INFO] [stdout] 5f26057970447f36eeef0e6e4c1e1ad0e5c9ad86f29f9a0bda31b8ad3f8f959c