[INFO] cloning repository https://github.com/edwardkads/RShell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edwardkads/RShell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwardkads%2FRShell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwardkads%2FRShell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cff048379d67ade9f913001b3191d3e9708a9702
[INFO] testing edwardkads/RShell against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedwardkads%2FRShell" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edwardkads/RShell on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/edwardkads/RShell
[INFO] finished tweaking git repo https://github.com/edwardkads/RShell
[INFO] tweaked toml for git repo https://github.com/edwardkads/RShell written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/edwardkads/RShell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e9ed4eaa307edc28ef29ec7f4b53ae27cab7f88f1e6d466ec1ee3d6fe7fdd9c
[INFO] running `Command { std: "docker" "start" "-a" "2e9ed4eaa307edc28ef29ec7f4b53ae27cab7f88f1e6d466ec1ee3d6fe7fdd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e9ed4eaa307edc28ef29ec7f4b53ae27cab7f88f1e6d466ec1ee3d6fe7fdd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9ed4eaa307edc28ef29ec7f4b53ae27cab7f88f1e6d466ec1ee3d6fe7fdd9c", kill_on_drop: false }`
[INFO] [stdout] 2e9ed4eaa307edc28ef29ec7f4b53ae27cab7f88f1e6d466ec1ee3d6fe7fdd9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e25f075a5bc4f65f042bad481c6cdb07bee2de8bae8b3eea855cdbb8a9f4613
[INFO] running `Command { std: "docker" "start" "-a" "1e25f075a5bc4f65f042bad481c6cdb07bee2de8bae8b3eea855cdbb8a9f4613", kill_on_drop: false }`
[INFO] [stderr]    Compiling rshell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |             final_command.wait();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e25f075a5bc4f65f042bad481c6cdb07bee2de8bae8b3eea855cdbb8a9f4613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e25f075a5bc4f65f042bad481c6cdb07bee2de8bae8b3eea855cdbb8a9f4613", kill_on_drop: false }`
[INFO] [stdout] 1e25f075a5bc4f65f042bad481c6cdb07bee2de8bae8b3eea855cdbb8a9f4613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 409dd3861d18e7d184232e416cfb3585ed5e2f3f531801859c0f2ccd75f75076
[INFO] running `Command { std: "docker" "start" "-a" "409dd3861d18e7d184232e416cfb3585ed5e2f3f531801859c0f2ccd75f75076", kill_on_drop: false }`
[INFO] [stderr]    Compiling rshell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |             final_command.wait();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rshell-b7157ebce833a2f9)
[INFO] running `Command { std: "docker" "inspect" "409dd3861d18e7d184232e416cfb3585ed5e2f3f531801859c0f2ccd75f75076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409dd3861d18e7d184232e416cfb3585ed5e2f3f531801859c0f2ccd75f75076", kill_on_drop: false }`
[INFO] [stdout] 409dd3861d18e7d184232e416cfb3585ed5e2f3f531801859c0f2ccd75f75076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2b8a47c4aa81fc8498565df242a3af1bb5acf28b159423a92323ce416e2fdd9
[INFO] running `Command { std: "docker" "start" "-a" "a2b8a47c4aa81fc8498565df242a3af1bb5acf28b159423a92323ce416e2fdd9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 13 |         stdout().flush();
[INFO] [stdout] 
[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] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |             final_command.wait();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `rshell` (bin "rshell" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rshell-b7157ebce833a2f9)
[INFO] running `Command { std: "docker" "inspect" "a2b8a47c4aa81fc8498565df242a3af1bb5acf28b159423a92323ce416e2fdd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b8a47c4aa81fc8498565df242a3af1bb5acf28b159423a92323ce416e2fdd9", kill_on_drop: false }`
[INFO] [stdout] a2b8a47c4aa81fc8498565df242a3af1bb5acf28b159423a92323ce416e2fdd9