[INFO] updating cached repository https://github.com/Rigellute/rust-shell
[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] 4784e8dedf84234408a400620f6ce42572c61ff0
[INFO] testing Rigellute/rust-shell against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FRigellute%2Frust-shell" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rigellute/rust-shell 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/Rigellute/rust-shell
[INFO] finished tweaking git repo https://github.com/Rigellute/rust-shell
[INFO] tweaked toml for git repo https://github.com/Rigellute/rust-shell written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Rigellute/rust-shell 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 10d9e396df7019c91200f50e1b0410e41d6d2f8013019c8757c74e6e541da104
[INFO] running `"docker" "start" "-a" "10d9e396df7019c91200f50e1b0410e41d6d2f8013019c8757c74e6e541da104"`
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         child.wait();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "10d9e396df7019c91200f50e1b0410e41d6d2f8013019c8757c74e6e541da104"`
[INFO] running `"docker" "rm" "-f" "10d9e396df7019c91200f50e1b0410e41d6d2f8013019c8757c74e6e541da104"`
[INFO] [stdout] 10d9e396df7019c91200f50e1b0410e41d6d2f8013019c8757c74e6e541da104
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 4bc6001377344c3f83c4e34884c4ea9c46128739ff40a5e4ede0a85d2fa2a83a
[INFO] running `"docker" "start" "-a" "4bc6001377344c3f83c4e34884c4ea9c46128739ff40a5e4ede0a85d2fa2a83a"`
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:36:25
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         child.wait();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "4bc6001377344c3f83c4e34884c4ea9c46128739ff40a5e4ede0a85d2fa2a83a"`
[INFO] running `"docker" "rm" "-f" "4bc6001377344c3f83c4e34884c4ea9c46128739ff40a5e4ede0a85d2fa2a83a"`
[INFO] [stdout] 4bc6001377344c3f83c4e34884c4ea9c46128739ff40a5e4ede0a85d2fa2a83a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 261fd99604b521f36e02283c1be6cb0d3f612b0c39b57b837f6738a46e2c0f2e
[INFO] running `"docker" "start" "-a" "261fd99604b521f36e02283c1be6cb0d3f612b0c39b57b837f6738a46e2c0f2e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shell-ae7ac171bf4b0c1d
[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" "261fd99604b521f36e02283c1be6cb0d3f612b0c39b57b837f6738a46e2c0f2e"`
[INFO] running `"docker" "rm" "-f" "261fd99604b521f36e02283c1be6cb0d3f612b0c39b57b837f6738a46e2c0f2e"`
[INFO] [stdout] 261fd99604b521f36e02283c1be6cb0d3f612b0c39b57b837f6738a46e2c0f2e