[INFO] cloning repository https://github.com/yaymukund/unicode-crossterm-behavior
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaymukund/unicode-crossterm-behavior" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaymukund%2Funicode-crossterm-behavior"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaymukund%2Funicode-crossterm-behavior'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bb2635b6cbb84bdd979fcd0c3efcc3b530eacf22
[INFO] checking yaymukund/unicode-crossterm-behavior against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaymukund%2Funicode-crossterm-behavior" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaymukund/unicode-crossterm-behavior on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yaymukund/unicode-crossterm-behavior
[INFO] finished tweaking git repo https://github.com/yaymukund/unicode-crossterm-behavior
[INFO] tweaked toml for git repo https://github.com/yaymukund/unicode-crossterm-behavior written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/yaymukund/unicode-crossterm-behavior already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 81e7d906cc39efc3241c6a56a27ce79aa003bfc4bb5b8eac4b4f7d80b0bb4d6a
[INFO] running `"docker" "start" "-a" "81e7d906cc39efc3241c6a56a27ce79aa003bfc4bb5b8eac4b4f7d80b0bb4d6a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking signal-hook v0.1.14
[INFO] [stderr]     Checking crossterm v0.17.4
[INFO] [stderr]     Checking crossterm-unicode-behavior v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     execute!(
[INFO] [stderr] 27 | |         stdout(),
[INFO] [stderr] 28 | |         Clear(ClearType::All),
[INFO] [stderr] 29 | |         MoveTo(0, 0),
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |         MoveTo(0, 4),
[INFO] [stderr] 38 | |     );
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     execute!(
[INFO] [stderr] 27 | |         stdout(),
[INFO] [stderr] 28 | |         Clear(ClearType::All),
[INFO] [stderr] 29 | |         MoveTo(0, 0),
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |         MoveTo(0, 4),
[INFO] [stderr] 38 | |     );
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `"docker" "inspect" "81e7d906cc39efc3241c6a56a27ce79aa003bfc4bb5b8eac4b4f7d80b0bb4d6a"`
[INFO] running `"docker" "rm" "-f" "81e7d906cc39efc3241c6a56a27ce79aa003bfc4bb5b8eac4b4f7d80b0bb4d6a"`
[INFO] [stdout] 81e7d906cc39efc3241c6a56a27ce79aa003bfc4bb5b8eac4b4f7d80b0bb4d6a