[INFO] updating cached repository https://github.com/simon-i1-h/natuconv
[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] f9f1d7cc0e77daaad751cd093f9a6aa920779c44
[INFO] testing simon-i1-h/natuconv against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimon-i1-h%2Fnatuconv" "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/simon-i1-h/natuconv 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/simon-i1-h/natuconv
[INFO] finished tweaking git repo https://github.com/simon-i1-h/natuconv
[INFO] tweaked toml for git repo https://github.com/simon-i1-h/natuconv written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/simon-i1-h/natuconv 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] 23158ede6478782be8cde4bc24a76d5996ae71bd865a43c67a35926b3647b059
[INFO] running `"docker" "start" "-a" "23158ede6478782be8cde4bc24a76d5996ae71bd865a43c67a35926b3647b059"`
[INFO] [stderr]    Compiling natuconv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim_end` that must be used
[INFO] [stderr]  --> src/bin/natuconv.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     buf.trim_end();
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this returns the trimmed string as a new slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "23158ede6478782be8cde4bc24a76d5996ae71bd865a43c67a35926b3647b059"`
[INFO] running `"docker" "rm" "-f" "23158ede6478782be8cde4bc24a76d5996ae71bd865a43c67a35926b3647b059"`
[INFO] [stdout] 23158ede6478782be8cde4bc24a76d5996ae71bd865a43c67a35926b3647b059
[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] 7b6a5739b952907382d39e7c074a023740b1b79d5ce0c1a64700e4e14afd65d7
[INFO] running `"docker" "start" "-a" "7b6a5739b952907382d39e7c074a023740b1b79d5ce0c1a64700e4e14afd65d7"`
[INFO] [stderr]    Compiling natuconv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim_end` that must be used
[INFO] [stderr]  --> src/bin/natuconv.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     buf.trim_end();
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this returns the trimmed string as a new slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "7b6a5739b952907382d39e7c074a023740b1b79d5ce0c1a64700e4e14afd65d7"`
[INFO] running `"docker" "rm" "-f" "7b6a5739b952907382d39e7c074a023740b1b79d5ce0c1a64700e4e14afd65d7"`
[INFO] [stdout] 7b6a5739b952907382d39e7c074a023740b1b79d5ce0c1a64700e4e14afd65d7
[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] b42fc49fa5e88d3999687133b35bc4686637a95b10ec27a60b6ffa8cb04c868c
[INFO] running `"docker" "start" "-a" "b42fc49fa5e88d3999687133b35bc4686637a95b10ec27a60b6ffa8cb04c868c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/natuconv-179cfb96f038e423
[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/natuconv_test-a66312142395d352
[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" "b42fc49fa5e88d3999687133b35bc4686637a95b10ec27a60b6ffa8cb04c868c"`
[INFO] running `"docker" "rm" "-f" "b42fc49fa5e88d3999687133b35bc4686637a95b10ec27a60b6ffa8cb04c868c"`
[INFO] [stdout] b42fc49fa5e88d3999687133b35bc4686637a95b10ec27a60b6ffa8cb04c868c