[INFO] crate redox_installer 0.2.6 is already in cache
[INFO] checking redox_installer-0.2.6 against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] extracting crate redox_installer 0.2.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate redox_installer 0.2.6 on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate redox_installer 0.2.6
[INFO] finished tweaking crates.io crate redox_installer 0.2.6
[INFO] tweaked toml for crates.io crate redox_installer 0.2.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate redox_installer 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 983f096c1adaaa090b7646845ffa418d700ed4a50e1bfe969ad3b6838010e6e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "983f096c1adaaa090b7646845ffa418d700ed4a50e1bfe969ad3b6838010e6e5"`
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking redox_liner v0.5.1
[INFO] [stderr]     Checking rust-argon2 v0.6.1
[INFO] [stderr]     Checking hyper-rustls v0.6.2
[INFO] [stderr]     Checking redox_pkgutils v0.1.5
[INFO] [stderr]     Checking redox_installer v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `unwrap_or_prompt`
[INFO] [stderr]   --> src/lib.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn unwrap_or_prompt<T: FromStr>(option: Option<T>, context: &mut liner::Context, prompt: &str) -> Result<T> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unwrap_or_prompt`
[INFO] [stderr]   --> src/lib.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn unwrap_or_prompt<T: FromStr>(option: Option<T>, context: &mut liner::Context, prompt: &str) -> Result<T> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/installer_tui.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |             dir_files(path_trimmed, files);
[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 `std::result::Result` that must be used
[INFO] [stderr]    --> src/bin/installer_tui.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |             dir_files(path_trimmed, files);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 17.36s
[INFO] running `"docker" "inspect" "983f096c1adaaa090b7646845ffa418d700ed4a50e1bfe969ad3b6838010e6e5"`
[INFO] running `"docker" "rm" "-f" "983f096c1adaaa090b7646845ffa418d700ed4a50e1bfe969ad3b6838010e6e5"`
[INFO] [stdout] 983f096c1adaaa090b7646845ffa418d700ed4a50e1bfe969ad3b6838010e6e5