[INFO] updating cached repository https://github.com/kornysietsma/rust-101-sample
[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] 3ec0de9a0f0000030a27e4e73bbd7ada9059fc82
[INFO] testing kornysietsma/rust-101-sample against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkornysietsma%2Frust-101-sample" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kornysietsma/rust-101-sample 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/kornysietsma/rust-101-sample
[INFO] finished tweaking git repo https://github.com/kornysietsma/rust-101-sample
[INFO] tweaked toml for git repo https://github.com/kornysietsma/rust-101-sample written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kornysietsma/rust-101-sample 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 37b4f2e239235240afecc7271cba2b0ad408e79c4e7ee77bfec112661c1ccf93
[INFO] running `"docker" "start" "-a" "37b4f2e239235240afecc7271cba2b0ad408e79c4e7ee77bfec112661c1ccf93"`
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling rust_101 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `fib`
[INFO] [stderr]  --> src/step_1_fibs.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn fib(n: u32) -> u128 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.73s
[INFO] running `"docker" "inspect" "37b4f2e239235240afecc7271cba2b0ad408e79c4e7ee77bfec112661c1ccf93"`
[INFO] running `"docker" "rm" "-f" "37b4f2e239235240afecc7271cba2b0ad408e79c4e7ee77bfec112661c1ccf93"`
[INFO] [stdout] 37b4f2e239235240afecc7271cba2b0ad408e79c4e7ee77bfec112661c1ccf93
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 9a1b304abadc737b1a19bf0fe0f1438d28949448d2aa5e23f99bf835a0f7d376
[INFO] running `"docker" "start" "-a" "9a1b304abadc737b1a19bf0fe0f1438d28949448d2aa5e23f99bf835a0f7d376"`
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling rust_101 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `"docker" "inspect" "9a1b304abadc737b1a19bf0fe0f1438d28949448d2aa5e23f99bf835a0f7d376"`
[INFO] running `"docker" "rm" "-f" "9a1b304abadc737b1a19bf0fe0f1438d28949448d2aa5e23f99bf835a0f7d376"`
[INFO] [stdout] 9a1b304abadc737b1a19bf0fe0f1438d28949448d2aa5e23f99bf835a0f7d376
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] a73b56c220463b5892eda5a370e6c7cba2bfbdc6b9a15e99cc007be841a04e65
[INFO] running `"docker" "start" "-a" "a73b56c220463b5892eda5a370e6c7cba2bfbdc6b9a15e99cc007be841a04e65"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_101-a256d621fdfca357
[INFO] [stdout] running 5 tests
[INFO] [stdout] test step_2_fizzbuzz::test::should_fizz_buzz ... ignored
[INFO] [stdout] test test::true_is_true ... ok
[INFO] [stdout] test step_1_fibs::test::fibs ... ok
[INFO] [stdout] test step_2_fizzbuzz::test::should_fizz_or_buzz ... ok
[INFO] [stdout] test test::foo_is_foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_101-aa406f0dc9c065f4
[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] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_tests-ce7b1764ad35181f
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rust_101
[INFO] [stdout] test foo_is_foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "a73b56c220463b5892eda5a370e6c7cba2bfbdc6b9a15e99cc007be841a04e65"`
[INFO] running `"docker" "rm" "-f" "a73b56c220463b5892eda5a370e6c7cba2bfbdc6b9a15e99cc007be841a04e65"`
[INFO] [stdout] a73b56c220463b5892eda5a370e6c7cba2bfbdc6b9a15e99cc007be841a04e65