[INFO] cloning repository https://github.com/kdrakon/sidle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kdrakon/sidle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdrakon%2Fsidle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdrakon%2Fsidle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52cb4a7268b1915f64bbf42f47c2a5ab208acdea
[INFO] checking kdrakon/sidle against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkdrakon%2Fsidle" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kdrakon/sidle on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kdrakon/sidle
[INFO] finished tweaking git repo https://github.com/kdrakon/sidle
[INFO] tweaked toml for git repo https://github.com/kdrakon/sidle written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kdrakon/sidle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a563b3c690aa08c4d8c1047ff918ad82558d1332417c2be9027747a51e588e7
[INFO] running `Command { std: "docker" "start" "-a" "5a563b3c690aa08c4d8c1047ff918ad82558d1332417c2be9027747a51e588e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a563b3c690aa08c4d8c1047ff918ad82558d1332417c2be9027747a51e588e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a563b3c690aa08c4d8c1047ff918ad82558d1332417c2be9027747a51e588e7", kill_on_drop: false }`
[INFO] [stdout] 5a563b3c690aa08c4d8c1047ff918ad82558d1332417c2be9027747a51e588e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15dc3e92bbdb8dee822d69e01f5041ece705fd67fbd1ff95e2d3824ba6f7ded0
[INFO] running `Command { std: "docker" "start" "-a" "15dc3e92bbdb8dee822d69e01f5041ece705fd67fbd1ff95e2d3824ba6f7ded0", kill_on_drop: false }`
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking sidle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ui.rs:30:88
[INFO] [stdout]    |
[INFO] [stdout] 30 |     print_dir_contents(screen, terminal_line_buffers.as_mut_slice(), state.dir.borrow().deref())?;
[INFO] [stdout]    |                                                                                        ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Dir` does not implement `Deref`, so calling `deref` on `&Dir` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&&Dir` instead of borrowing the inner type
[INFO] [stdout]   --> src/ui.rs:30:79
[INFO] [stdout]    |
[INFO] [stdout] 30 |     print_dir_contents(screen, terminal_line_buffers.as_mut_slice(), state.dir.borrow().deref())?;
[INFO] [stdout]    |                                                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ui.rs:30:88
[INFO] [stdout]    |
[INFO] [stdout] 30 |     print_dir_contents(screen, terminal_line_buffers.as_mut_slice(), state.dir.borrow().deref())?;
[INFO] [stdout]    |                                                                                        ^^^^^^^^ unnecessary method call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Dir` does not implement `Deref`, so calling `deref` on `&Dir` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&&Dir` instead of borrowing the inner type
[INFO] [stdout]   --> src/ui.rs:30:79
[INFO] [stdout]    |
[INFO] [stdout] 30 |     print_dir_contents(screen, terminal_line_buffers.as_mut_slice(), state.dir.borrow().deref())?;
[INFO] [stdout]    |                                                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sidle` (bin "sidle") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sidle` (bin "sidle" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "15dc3e92bbdb8dee822d69e01f5041ece705fd67fbd1ff95e2d3824ba6f7ded0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dc3e92bbdb8dee822d69e01f5041ece705fd67fbd1ff95e2d3824ba6f7ded0", kill_on_drop: false }`
[INFO] [stdout] 15dc3e92bbdb8dee822d69e01f5041ece705fd67fbd1ff95e2d3824ba6f7ded0