[INFO] cloning repository https://github.com/yoshitsugu/kilo_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshitsugu/kilo_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshitsugu%2Fkilo_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshitsugu%2Fkilo_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c909540399f99e38645fe6cc38cf9e3608237e45
[INFO] checking yoshitsugu/kilo_rust against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshitsugu%2Fkilo_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yoshitsugu/kilo_rust
[INFO] finished tweaking git repo https://github.com/yoshitsugu/kilo_rust
[INFO] tweaked toml for git repo https://github.com/yoshitsugu/kilo_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yoshitsugu/kilo_rust on toolchain ba7e63b63871a429533c189adbfb1d9a6337e000
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yoshitsugu/kilo_rust 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" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d29c05725fe3d083a56b221be9a81498cacfefcf0bd08e2f9c49d35b64239097
[INFO] running `Command { std: "docker" "start" "-a" "d29c05725fe3d083a56b221be9a81498cacfefcf0bd08e2f9c49d35b64239097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d29c05725fe3d083a56b221be9a81498cacfefcf0bd08e2f9c49d35b64239097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29c05725fe3d083a56b221be9a81498cacfefcf0bd08e2f9c49d35b64239097", kill_on_drop: false }`
[INFO] [stdout] d29c05725fe3d083a56b221be9a81498cacfefcf0bd08e2f9c49d35b64239097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b0bf2a1e0337aca5d04a51a8eaa0b67baf6230b70d6141fd8de98aa04ea3a0b
[INFO] running `Command { std: "docker" "start" "-a" "0b0bf2a1e0337aca5d04a51a8eaa0b67baf6230b70d6141fd8de98aa04ea3a0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking kilo_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/file_syntax.rs:174:51
[INFO] [stdout]     |
[INFO] [stdout] 174 |             result.insert(std::ffi::OsStr::new(ext.clone()), s);
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]    --> src/file_syntax.rs:174:51
[INFO] [stdout]     |
[INFO] [stdout] 174 |             result.insert(std::ffi::OsStr::new(ext.clone()), s);
[INFO] [stdout]     |                                                   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kilo_rust` (bin "kilo_rust" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/ba7e63b63871a429533c189adbfb1d9a6337e000/bin/rustc --crate-name kilo_rust --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=077b9466d663437e -C extra-filename=-90ab4040ac2a8574 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-00fc5e4c50e5fd81.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-3d13878ee22af60c.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-7808d6552110722a.rmeta --extern termios=/opt/rustwide/target/debug/deps/libtermios-07a06a308b88e8e9.rmeta --cap-lints=forbid` (exit status: 0)
[INFO] running `Command { std: "docker" "inspect" "0b0bf2a1e0337aca5d04a51a8eaa0b67baf6230b70d6141fd8de98aa04ea3a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0bf2a1e0337aca5d04a51a8eaa0b67baf6230b70d6141fd8de98aa04ea3a0b", kill_on_drop: false }`
[INFO] [stdout] 0b0bf2a1e0337aca5d04a51a8eaa0b67baf6230b70d6141fd8de98aa04ea3a0b