[INFO] updating cached repository https://github.com/kolgotko/forkpty
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8413e7f4e6068243c9c899c8b6e315f85cca9006
[INFO] checking kolgotko/forkpty against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolgotko%2Fforkpty" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kolgotko/forkpty on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kolgotko/forkpty
[INFO] finished tweaking git repo https://github.com/kolgotko/forkpty
[INFO] tweaked toml for git repo https://github.com/kolgotko/forkpty written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kolgotko/forkpty already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f919b8c93bfe12e549a26cb76676ac85f198f3f18aa5b655449aa4cccd3fea88
[INFO] running `"docker" "start" "-a" "f919b8c93bfe12e549a26cb76676ac85f198f3f18aa5b655449aa4cccd3fea88"`
[INFO] [stderr]     Checking forkpty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `open`
[INFO] [stderr]   --> src/lib.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 | use nix::fcntl::{OFlag, open, fcntl, FcntlArg};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:343:47
[INFO] [stderr]     |
[INFO] [stderr] 343 | pub fn forkpty() -> Result<ForkPtyResult, Box<Error>> {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `open`
[INFO] [stderr]   --> src/lib.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 | use nix::fcntl::{OFlag, open, fcntl, FcntlArg};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:343:47
[INFO] [stderr]     |
[INFO] [stderr] 343 | pub fn forkpty() -> Result<ForkPtyResult, Box<Error>> {
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             Ok(-1) => {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |             Ok(-1) => {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |             Ok(-1) => {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/lib.rs:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |             Ok(-1) => {
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:362:13
[INFO] [stderr]     |
[INFO] [stderr] 362 |             close(slave_fd);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:362:13
[INFO] [stderr]     |
[INFO] [stderr] 362 |             close(slave_fd);
[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/lib.rs:376:13
[INFO] [stderr]     |
[INFO] [stderr] 376 |             close(stdin.as_raw_fd());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/lib.rs:377:13
[INFO] [stderr]     |
[INFO] [stderr] 377 |             close(stdout.as_raw_fd());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/lib.rs:378:13
[INFO] [stderr]     |
[INFO] [stderr] 378 |             close(stderr.as_raw_fd());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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/lib.rs:376:13
[INFO] [stderr]     |
[INFO] [stderr] 376 |             close(stdin.as_raw_fd());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/lib.rs:377:13
[INFO] [stderr]     |
[INFO] [stderr] 377 |             close(stdout.as_raw_fd());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/lib.rs:378:13
[INFO] [stderr]     |
[INFO] [stderr] 378 |             close(stderr.as_raw_fd());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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 1.15s
[INFO] running `"docker" "inspect" "f919b8c93bfe12e549a26cb76676ac85f198f3f18aa5b655449aa4cccd3fea88"`
[INFO] running `"docker" "rm" "-f" "f919b8c93bfe12e549a26cb76676ac85f198f3f18aa5b655449aa4cccd3fea88"`
[INFO] [stdout] f919b8c93bfe12e549a26cb76676ac85f198f3f18aa5b655449aa4cccd3fea88