[INFO] cloning repository https://github.com/hukumka/ranger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hukumka/ranger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhukumka%2Franger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhukumka%2Franger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0dba9ca352e1b3a04467b7662f64b339ba910e52
[INFO] checking hukumka/ranger against 4d7f6614d0baa7689bd05eba340114667db4d5b7 for pr-133502-28
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhukumka%2Franger" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hukumka/ranger
[INFO] finished tweaking git repo https://github.com/hukumka/ranger
[INFO] tweaked toml for git repo https://github.com/hukumka/ranger written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hukumka/ranger on toolchain 4d7f6614d0baa7689bd05eba340114667db4d5b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hukumka/ranger 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" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0e10eb081e5de47ebbc0421de72cc5921f3bcf90ff59017833ea517f843d9fa8
[INFO] running `Command { std: "docker" "start" "0e10eb081e5de47ebbc0421de72cc5921f3bcf90ff59017833ea517f843d9fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e10eb081e5de47ebbc0421de72cc5921f3bcf90ff59017833ea517f843d9fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0e10eb081e5de47ebbc0421de72cc5921f3bcf90ff59017833ea517f843d9fa8" "/opt/rustwide/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e10eb081e5de47ebbc0421de72cc5921f3bcf90ff59017833ea517f843d9fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0e10eb081e5de47ebbc0421de72cc5921f3bcf90ff59017833ea517f843d9fa8" "/opt/rustwide/cargo-home/bin/cargo" "+4d7f6614d0baa7689bd05eba340114667db4d5b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking ranger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `stdin` is never read
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct App<W: io::Write, R> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     stdin: R,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/widget/flex.rs:30:61
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 let size = child.layout(remaining_size, data.clone());
[INFO] [stdout]    |                                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `T` does not implement `Clone`, so calling `clone` on `&T` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stdin` is never read
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct App<W: io::Write, R> {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     stdin: R,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/widget/flex.rs:30:61
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 let size = child.layout(remaining_size, data.clone());
[INFO] [stdout]    |                                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `T` does not implement `Clone`, so calling `clone` on `&T` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "0e10eb081e5de47ebbc0421de72cc5921f3bcf90ff59017833ea517f843d9fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e10eb081e5de47ebbc0421de72cc5921f3bcf90ff59017833ea517f843d9fa8", kill_on_drop: false }`
[INFO] [stdout] 0e10eb081e5de47ebbc0421de72cc5921f3bcf90ff59017833ea517f843d9fa8
