[INFO] cloning repository https://github.com/faraazahmad/loop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faraazahmad/loop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaraazahmad%2Floop", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaraazahmad%2Floop'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 20193529bd6c77eab44a785f00a7cfc2f73ac08a [INFO] checking faraazahmad/loop against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaraazahmad%2Floop" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/faraazahmad/loop on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/faraazahmad/loop [INFO] finished tweaking git repo https://github.com/faraazahmad/loop [INFO] tweaked toml for git repo https://github.com/faraazahmad/loop written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/faraazahmad/loop 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6661edc0950009be675a8bb25920eeb1362b877dde9cd190812a71a1fc9b68c2 [INFO] running `Command { std: "docker" "start" "-a" "6661edc0950009be675a8bb25920eeb1362b877dde9cd190812a71a1fc9b68c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6661edc0950009be675a8bb25920eeb1362b877dde9cd190812a71a1fc9b68c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6661edc0950009be675a8bb25920eeb1362b877dde9cd190812a71a1fc9b68c2", kill_on_drop: false }` [INFO] [stdout] 6661edc0950009be675a8bb25920eeb1362b877dde9cd190812a71a1fc9b68c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c802167895f34112ad8157025c4c610b9039ffb7b030c19e544a6f958c9183f [INFO] running `Command { std: "docker" "start" "-a" "0c802167895f34112ad8157025c4c610b9039ffb7b030c19e544a6f958c9183f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking loop v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/editor.rs:235:13 [INFO] [stdout] | [INFO] [stdout] 235 | let mut offset = &mut self.offset; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/document.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | let mut x = after.x; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_color` is never used [INFO] [stdout] --> src/highlighting.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl Type { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 9 | fn to_color(&self) -> impl color::Color { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/editor.rs:441:12 [INFO] [stdout] | [INFO] [stdout] 441 | panic!(e); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 441 | panic!("{}", e); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 441 | std::panic::panic_any(e); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/editor.rs:235:13 [INFO] [stdout] | [INFO] [stdout] 235 | let mut offset = &mut self.offset; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/document.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | let mut x = after.x; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_color` is never used [INFO] [stdout] --> src/highlighting.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl Type { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] 9 | fn to_color(&self) -> impl color::Color { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/editor.rs:441:12 [INFO] [stdout] | [INFO] [stdout] 441 | panic!(e); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 441 | panic!("{}", e); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 441 | std::panic::panic_any(e); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s [INFO] running `Command { std: "docker" "inspect" "0c802167895f34112ad8157025c4c610b9039ffb7b030c19e544a6f958c9183f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c802167895f34112ad8157025c4c610b9039ffb7b030c19e544a6f958c9183f", kill_on_drop: false }` [INFO] [stdout] 0c802167895f34112ad8157025c4c610b9039ffb7b030c19e544a6f958c9183f