[INFO] cloning repository https://github.com/juanibiapina/king
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juanibiapina/king" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanibiapina%2Fking", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanibiapina%2Fking'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c5a00fcd5ea423eba6579a8a7d7146f9b7e0d55
[INFO] checking juanibiapina/king against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanibiapina%2Fking" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juanibiapina/king on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juanibiapina/king
[INFO] finished tweaking git repo https://github.com/juanibiapina/king
[INFO] tweaked toml for git repo https://github.com/juanibiapina/king written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/juanibiapina/king already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ncurses v5.87.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57d22457e93727adbdbd495ca749f72fbb4b58125be26b97b4935f30bbc0dd80
[INFO] running `Command { std: "docker" "start" "-a" "57d22457e93727adbdbd495ca749f72fbb4b58125be26b97b4935f30bbc0dd80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57d22457e93727adbdbd495ca749f72fbb4b58125be26b97b4935f30bbc0dd80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d22457e93727adbdbd495ca749f72fbb4b58125be26b97b4935f30bbc0dd80", kill_on_drop: false }`
[INFO] [stdout] 57d22457e93727adbdbd495ca749f72fbb4b58125be26b97b4935f30bbc0dd80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd3d97517b196dead310f3da536a197ae981fb55ca32941effd873600dffd4c8
[INFO] running `Command { std: "docker" "start" "-a" "bd3d97517b196dead310f3da536a197ae981fb55ca32941effd873600dffd4c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling ncurses v5.87.0
[INFO] [stderr]     Checking king v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/buffer.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |         self.contents.insert((y + 1), rest);
[INFO] [stdout]    |                              ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/buffer.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |         self.contents.insert((y + 1), rest);
[INFO] [stdout]    |                              ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `splice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/buffer.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 self.contents[y].splice(offset..(offset+grapheme.len()), "");
[INFO] [stdout]    |                                  ^^^^^^ help: there is an associated function with a similar name: `split`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `splice` found for struct `String` in the current scope
[INFO] [stdout]   --> src/buffer.rs:79:34
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 self.contents[y].splice(offset..(offset+grapheme.len()), "");
[INFO] [stdout]    |                                  ^^^^^^ help: there is an associated function with a similar name: `split`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `king`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bd3d97517b196dead310f3da536a197ae981fb55ca32941effd873600dffd4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd3d97517b196dead310f3da536a197ae981fb55ca32941effd873600dffd4c8", kill_on_drop: false }`
[INFO] [stdout] bd3d97517b196dead310f3da536a197ae981fb55ca32941effd873600dffd4c8