[INFO] updating cached repository https://github.com/ChristianBell1995/rust_functions
[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] 2a7e287cc4842ab8dab40352c62c4f1e5dc893c4
[INFO] testing ChristianBell1995/rust_functions against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristianBell1995%2Frust_functions" "work/builds/worker-9/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChristianBell1995/rust_functions 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/ChristianBell1995/rust_functions
[INFO] finished tweaking git repo https://github.com/ChristianBell1995/rust_functions
[INFO] tweaked toml for git repo https://github.com/ChristianBell1995/rust_functions written to work/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ChristianBell1995/rust_functions 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/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] a7527ec94df759e5cf3bd82c96a10e1025d94af40ef8a1315986cbddb42b7510
[INFO] running `"docker" "start" "-a" "a7527ec94df759e5cf3bd82c96a10e1025d94af40ef8a1315986cbddb42b7510"`
[INFO] [stderr]    Compiling rust_functions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/main.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let x = 5;
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "a7527ec94df759e5cf3bd82c96a10e1025d94af40ef8a1315986cbddb42b7510"`
[INFO] running `"docker" "rm" "-f" "a7527ec94df759e5cf3bd82c96a10e1025d94af40ef8a1315986cbddb42b7510"`
[INFO] [stdout] a7527ec94df759e5cf3bd82c96a10e1025d94af40ef8a1315986cbddb42b7510
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/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] d9849add929f728ff067f966a21379d2c495ba2b93e32a7c31f7d9cca9ebc8b1
[INFO] running `"docker" "start" "-a" "d9849add929f728ff067f966a21379d2c495ba2b93e32a7c31f7d9cca9ebc8b1"`
[INFO] [stderr]    Compiling rust_functions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/main.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let x = 5;
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "d9849add929f728ff067f966a21379d2c495ba2b93e32a7c31f7d9cca9ebc8b1"`
[INFO] running `"docker" "rm" "-f" "d9849add929f728ff067f966a21379d2c495ba2b93e32a7c31f7d9cca9ebc8b1"`
[INFO] [stdout] d9849add929f728ff067f966a21379d2c495ba2b93e32a7c31f7d9cca9ebc8b1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/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] 932c01f8e98d7bbd801016ccecaee3fc0cfadfeb8bdc5ef9462e3f4fe6cdc6f0
[INFO] running `"docker" "start" "-a" "932c01f8e98d7bbd801016ccecaee3fc0cfadfeb8bdc5ef9462e3f4fe6cdc6f0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_functions-af6ec5b64a74aa76
[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" "932c01f8e98d7bbd801016ccecaee3fc0cfadfeb8bdc5ef9462e3f4fe6cdc6f0"`
[INFO] running `"docker" "rm" "-f" "932c01f8e98d7bbd801016ccecaee3fc0cfadfeb8bdc5ef9462e3f4fe6cdc6f0"`
[INFO] [stdout] 932c01f8e98d7bbd801016ccecaee3fc0cfadfeb8bdc5ef9462e3f4fe6cdc6f0