[INFO] cloning repository https://github.com/proxin187/te [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/proxin187/te" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproxin187%2Fte", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproxin187%2Fte'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a9d32a5349008128b2e23bc19c52e28ed0fdbd9 [INFO] checking proxin187/te against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproxin187%2Fte" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/proxin187/te 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/proxin187/te [INFO] finished tweaking git repo https://github.com/proxin187/te [INFO] tweaked toml for git repo https://github.com/proxin187/te written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/proxin187/te 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lib-lexin v0.3.6 [INFO] [stderr] Downloaded argin v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4d5a8aa1a3324f04cf5fb0e1bf060a0bf37b44929a9247c02dc6e988d0c0208b [INFO] running `Command { std: "docker" "start" "-a" "4d5a8aa1a3324f04cf5fb0e1bf060a0bf37b44929a9247c02dc6e988d0c0208b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d5a8aa1a3324f04cf5fb0e1bf060a0bf37b44929a9247c02dc6e988d0c0208b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d5a8aa1a3324f04cf5fb0e1bf060a0bf37b44929a9247c02dc6e988d0c0208b", kill_on_drop: false }` [INFO] [stdout] 4d5a8aa1a3324f04cf5fb0e1bf060a0bf37b44929a9247c02dc6e988d0c0208b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e5eb310ffe1d92344ad9c82086d862a886442d4a076c3864f3c1f954f2da1409 [INFO] running `Command { std: "docker" "start" "-a" "e5eb310ffe1d92344ad9c82086d862a886442d4a076c3864f3c1f954f2da1409", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking argin v0.1.0 [INFO] [stderr] Checking lib-lexin v0.3.6 [INFO] [stderr] Checking termion v2.0.3 [INFO] [stderr] Checking console v0.15.7 [INFO] [stderr] Checking te v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/editor/mod.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Write` is already imported here [INFO] [stdout] 8 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/editor/mod.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Write` is already imported here [INFO] [stdout] 8 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/editor/mod.rs:576:17 [INFO] [stdout] | [INFO] [stdout] 576 | manager.close_buffer(self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 576 | let _ = manager.close_buffer(self); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/editor/mod.rs:576:17 [INFO] [stdout] | [INFO] [stdout] 576 | manager.close_buffer(self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 576 | let _ = manager.close_buffer(self); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.98s [INFO] running `Command { std: "docker" "inspect" "e5eb310ffe1d92344ad9c82086d862a886442d4a076c3864f3c1f954f2da1409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5eb310ffe1d92344ad9c82086d862a886442d4a076c3864f3c1f954f2da1409", kill_on_drop: false }` [INFO] [stdout] e5eb310ffe1d92344ad9c82086d862a886442d4a076c3864f3c1f954f2da1409 [INFO] checking proxin187/te against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproxin187%2Fte" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/proxin187/te on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/proxin187/te [INFO] finished tweaking git repo https://github.com/proxin187/te [INFO] tweaked toml for git repo https://github.com/proxin187/te written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/proxin187/te 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aaa2f56bc30867e34b570da2084ef72bd38c22f453509be931668224c775a970 [INFO] running `Command { std: "docker" "start" "-a" "aaa2f56bc30867e34b570da2084ef72bd38c22f453509be931668224c775a970", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aaa2f56bc30867e34b570da2084ef72bd38c22f453509be931668224c775a970", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aaa2f56bc30867e34b570da2084ef72bd38c22f453509be931668224c775a970", kill_on_drop: false }` [INFO] [stdout] aaa2f56bc30867e34b570da2084ef72bd38c22f453509be931668224c775a970 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 408f3815b5c5ef0d8a07c591bd45bc5157eecb434386b6cd7d679f97f2f4a844 [INFO] running `Command { std: "docker" "start" "-a" "408f3815b5c5ef0d8a07c591bd45bc5157eecb434386b6cd7d679f97f2f4a844", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling serde v1.0.189 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking argin v0.1.0 [INFO] [stderr] Checking lib-lexin v0.3.6 [INFO] [stderr] Checking console v0.15.7 [INFO] [stderr] Checking termion v2.0.3 [INFO] [stderr] Checking te v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/editor/mod.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Write` is already imported here [INFO] [stdout] 8 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/editor/mod.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `Write` is already imported here [INFO] [stdout] 8 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/editor/mod.rs:576:17 [INFO] [stdout] | [INFO] [stdout] 576 | manager.close_buffer(self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 576 | let _ = manager.close_buffer(self); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/editor/mod.rs:576:17 [INFO] [stdout] | [INFO] [stdout] 576 | manager.close_buffer(self); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 576 | let _ = manager.close_buffer(self); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.28s [INFO] running `Command { std: "docker" "inspect" "408f3815b5c5ef0d8a07c591bd45bc5157eecb434386b6cd7d679f97f2f4a844", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "408f3815b5c5ef0d8a07c591bd45bc5157eecb434386b6cd7d679f97f2f4a844", kill_on_drop: false }` [INFO] [stdout] 408f3815b5c5ef0d8a07c591bd45bc5157eecb434386b6cd7d679f97f2f4a844