[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 master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPetrStudynka%2FSimpleCommander" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PetrStudynka/SimpleCommander on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-17/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7be0c4717f2a6af682ea00f6434f1cd12e7e68ec7c8af84fdf0ed59978901c5
[INFO] running `Command { std: "docker" "start" "-a" "e7be0c4717f2a6af682ea00f6434f1cd12e7e68ec7c8af84fdf0ed59978901c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7be0c4717f2a6af682ea00f6434f1cd12e7e68ec7c8af84fdf0ed59978901c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7be0c4717f2a6af682ea00f6434f1cd12e7e68ec7c8af84fdf0ed59978901c5", kill_on_drop: false }`
[INFO] [stdout] e7be0c4717f2a6af682ea00f6434f1cd12e7e68ec7c8af84fdf0ed59978901c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad1c7e658e95b2f223647114a1e0fb46b3f85f26c692156e494f429da1802730
[INFO] running `Command { std: "docker" "start" "-a" "ad1c7e658e95b2f223647114a1e0fb46b3f85f26c692156e494f429da1802730", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "ad1c7e658e95b2f223647114a1e0fb46b3f85f26c692156e494f429da1802730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad1c7e658e95b2f223647114a1e0fb46b3f85f26c692156e494f429da1802730", kill_on_drop: false }`
[INFO] [stdout] ad1c7e658e95b2f223647114a1e0fb46b3f85f26c692156e494f429da1802730