[INFO] updating cached repository https://github.com/stillinbeta/rust_examples
[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] 90dfcfd6394a780aa1fc81cb8fa6b2ed5e27a254
[INFO] testing stillinbeta/rust_examples against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstillinbeta%2Frust_examples" "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/stillinbeta/rust_examples 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/stillinbeta/rust_examples
[INFO] finished tweaking git repo https://github.com/stillinbeta/rust_examples
[INFO] tweaked toml for git repo https://github.com/stillinbeta/rust_examples written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/stillinbeta/rust_examples 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] be23f8a474c55839885589977adff8c572c3e7120764cd3fa45921657ae65a6d
[INFO] running `"docker" "start" "-a" "be23f8a474c55839885589977adff8c572c3e7120764cd3fa45921657ae65a6d"`
[INFO] [stderr]    Compiling fc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "be23f8a474c55839885589977adff8c572c3e7120764cd3fa45921657ae65a6d"`
[INFO] running `"docker" "rm" "-f" "be23f8a474c55839885589977adff8c572c3e7120764cd3fa45921657ae65a6d"`
[INFO] [stdout] be23f8a474c55839885589977adff8c572c3e7120764cd3fa45921657ae65a6d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 1344fcbb012fc2332094be6a8f71ca6ce32a54d01e14cb8f82d67b9640fe9344
[INFO] running `"docker" "start" "-a" "1344fcbb012fc2332094be6a8f71ca6ce32a54d01e14cb8f82d67b9640fe9344"`
[INFO] [stderr]    Compiling fc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "1344fcbb012fc2332094be6a8f71ca6ce32a54d01e14cb8f82d67b9640fe9344"`
[INFO] running `"docker" "rm" "-f" "1344fcbb012fc2332094be6a8f71ca6ce32a54d01e14cb8f82d67b9640fe9344"`
[INFO] [stdout] 1344fcbb012fc2332094be6a8f71ca6ce32a54d01e14cb8f82d67b9640fe9344
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] a88fbcb1da5e93babe4c0cd9204556a6b84f6f48255fdb04cd9dd0ff967bdeb5
[INFO] running `"docker" "start" "-a" "a88fbcb1da5e93babe4c0cd9204556a6b84f6f48255fdb04cd9dd0ff967bdeb5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fc-b7c9f725b7af5768
[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/fc-a09a3a8f8d08f50e
[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]    Doc-tests fc
[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" "a88fbcb1da5e93babe4c0cd9204556a6b84f6f48255fdb04cd9dd0ff967bdeb5"`
[INFO] running `"docker" "rm" "-f" "a88fbcb1da5e93babe4c0cd9204556a6b84f6f48255fdb04cd9dd0ff967bdeb5"`
[INFO] [stdout] a88fbcb1da5e93babe4c0cd9204556a6b84f6f48255fdb04cd9dd0ff967bdeb5