[INFO] cloning repository https://github.com/PetrStudynka/SimpleCommander
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PetrStudynka/SimpleCommander" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetrStudynka%2FSimpleCommander", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetrStudynka%2FSimpleCommander'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 034e7d7ca4ce219cb223f6c38fd545d7d43c0244
[INFO] checking PetrStudynka/SimpleCommander against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetrStudynka%2FSimpleCommander" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PetrStudynka/SimpleCommander on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PetrStudynka/SimpleCommander
[INFO] finished tweaking git repo https://github.com/PetrStudynka/SimpleCommander
[INFO] tweaked toml for git repo https://github.com/PetrStudynka/SimpleCommander written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/PetrStudynka/SimpleCommander already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d9de78734f657d610d8e9f6cd35f14cdd4d6c45186e780305368f9914b1c07e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d9de78734f657d610d8e9f6cd35f14cdd4d6c45186e780305368f9914b1c07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d9de78734f657d610d8e9f6cd35f14cdd4d6c45186e780305368f9914b1c07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9de78734f657d610d8e9f6cd35f14cdd4d6c45186e780305368f9914b1c07e", kill_on_drop: false }`
[INFO] [stdout] 0d9de78734f657d610d8e9f6cd35f14cdd4d6c45186e780305368f9914b1c07e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daf4b4d499d71215f3eed83a348cef13659551e54d76df38da05995ca1c09c51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "daf4b4d499d71215f3eed83a348cef13659551e54d76df38da05995ca1c09c51", kill_on_drop: false }`
[INFO] [stderr]     Checking simple_commander v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]    --> src/lib.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use core::panic;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/lib.rs:268:13
[INFO] [stdout]     |
[INFO] [stdout] 268 |         let cmd = Command::new(cmd_vector);
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | /         match dir_entry.metadata() {
[INFO] [stdout] 122 | |             Ok(r) if r.is_file() => match copy(dir_entry.path(), destination_path) {
[INFO] [stdout] 123 | |                 Ok(_) => Ok("File ok".to_string()),
[INFO] [stdout] 124 | |                 Err(_) => Err(format!("Failed to copy: {:?}", dir_entry.file_name())),
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             }
[INFO] [stdout] 149 | |         };
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | /         match dir_entry.metadata() {
[INFO] [stdout] 122 | |             Ok(r) if r.is_file() => match copy(dir_entry.path(), destination_path) {
[INFO] [stdout] 123 | |                 Ok(_) => Ok("File ok".to_string()),
[INFO] [stdout] 124 | |                 Err(_) => Err(format!("Failed to copy: {:?}", dir_entry.file_name())),
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             }
[INFO] [stdout] 149 | |         };
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "daf4b4d499d71215f3eed83a348cef13659551e54d76df38da05995ca1c09c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf4b4d499d71215f3eed83a348cef13659551e54d76df38da05995ca1c09c51", kill_on_drop: false }`
[INFO] [stdout] daf4b4d499d71215f3eed83a348cef13659551e54d76df38da05995ca1c09c51