[INFO] cloning repository https://github.com/sq5rix/todo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sq5rix/todo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsq5rix%2Ftodo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsq5rix%2Ftodo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db5eb41787c85bb79e8d9bef1a4cb95867fc1fa8 [INFO] checking sq5rix/todo against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsq5rix%2Ftodo" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sq5rix/todo 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/sq5rix/todo [INFO] finished tweaking git repo https://github.com/sq5rix/todo [INFO] tweaked toml for git repo https://github.com/sq5rix/todo written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sq5rix/todo 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.40 [INFO] [stderr] Downloaded serde v1.0.97 [INFO] [stderr] Downloaded ryu v1.0.0 [INFO] [stderr] Downloaded quote v0.6.13 [INFO] [stderr] Downloaded unicode-xid v0.1.0 [INFO] [stderr] Downloaded proc-macro2 v0.4.30 [INFO] [stderr] Downloaded serde_derive v1.0.97 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded xdg v2.2.0 [INFO] [stderr] Downloaded syn v0.15.40 [INFO] [stderr] Downloaded ole32-sys v0.2.0 [INFO] [stderr] Downloaded shell32-sys v0.1.2 [INFO] [stderr] Downloaded app_dirs v1.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8c733c5cd98e601d81d7fb38a327625bef777ee57b58faf226cb6da6a20e7212 [INFO] running `Command { std: "docker" "start" "-a" "8c733c5cd98e601d81d7fb38a327625bef777ee57b58faf226cb6da6a20e7212", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c733c5cd98e601d81d7fb38a327625bef777ee57b58faf226cb6da6a20e7212", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c733c5cd98e601d81d7fb38a327625bef777ee57b58faf226cb6da6a20e7212", kill_on_drop: false }` [INFO] [stdout] 8c733c5cd98e601d81d7fb38a327625bef777ee57b58faf226cb6da6a20e7212 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7ff8388ae199f93c94add0f25c3f120f67db5ca389bac83d8474a4f552b2dd6d [INFO] running `Command { std: "docker" "start" "-a" "7ff8388ae199f93c94add0f25c3f120f67db5ca389bac83d8474a4f552b2dd6d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling syn v0.15.40 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking app_dirs v1.2.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling serde_derive v1.0.97 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking todo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | &self.data_list.retain(|i| i != &v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 186 | let _ = &self.data_list.retain(|i| i != &v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:187:9 [INFO] [stdout] | [INFO] [stdout] 187 | &self.data_list.push(v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 187 | let _ = &self.data_list.push(v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | &self.data_list.retain(|i| i != v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 191 | let _ = &self.data_list.retain(|i| i != v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | &self.data_list.retain(|i| i != &v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 186 | let _ = &self.data_list.retain(|i| i != &v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:187:9 [INFO] [stdout] | [INFO] [stdout] 187 | &self.data_list.push(v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 187 | let _ = &self.data_list.push(v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | &self.data_list.retain(|i| i != v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 191 | let _ = &self.data_list.retain(|i| i != v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.75s [INFO] running `Command { std: "docker" "inspect" "7ff8388ae199f93c94add0f25c3f120f67db5ca389bac83d8474a4f552b2dd6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ff8388ae199f93c94add0f25c3f120f67db5ca389bac83d8474a4f552b2dd6d", kill_on_drop: false }` [INFO] [stdout] 7ff8388ae199f93c94add0f25c3f120f67db5ca389bac83d8474a4f552b2dd6d [INFO] checking sq5rix/todo against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsq5rix%2Ftodo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sq5rix/todo on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sq5rix/todo [INFO] finished tweaking git repo https://github.com/sq5rix/todo [INFO] tweaked toml for git repo https://github.com/sq5rix/todo written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sq5rix/todo 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 611e79ac0838fcc85658b2e0d5422a3a91c9d5b80d374ce76fa7ccc681673aaa [INFO] running `Command { std: "docker" "start" "-a" "611e79ac0838fcc85658b2e0d5422a3a91c9d5b80d374ce76fa7ccc681673aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "611e79ac0838fcc85658b2e0d5422a3a91c9d5b80d374ce76fa7ccc681673aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "611e79ac0838fcc85658b2e0d5422a3a91c9d5b80d374ce76fa7ccc681673aaa", kill_on_drop: false }` [INFO] [stdout] 611e79ac0838fcc85658b2e0d5422a3a91c9d5b80d374ce76fa7ccc681673aaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7a728661705b035b83af0b6da9336e48fbfbf832506cc93896fb3550166c952 [INFO] running `Command { std: "docker" "start" "-a" "d7a728661705b035b83af0b6da9336e48fbfbf832506cc93896fb3550166c952", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.40 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking app_dirs v1.2.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling serde_derive v1.0.97 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking todo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | &self.data_list.retain(|i| i != &v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 186 | let _ = &self.data_list.retain(|i| i != &v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:187:9 [INFO] [stdout] | [INFO] [stdout] 187 | &self.data_list.push(v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 187 | let _ = &self.data_list.push(v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | &self.data_list.retain(|i| i != v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 191 | let _ = &self.data_list.retain(|i| i != v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:186:9 [INFO] [stdout] | [INFO] [stdout] 186 | &self.data_list.retain(|i| i != &v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 186 | let _ = &self.data_list.retain(|i| i != &v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:187:9 [INFO] [stdout] | [INFO] [stdout] 187 | &self.data_list.push(v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 187 | let _ = &self.data_list.push(v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | &self.data_list.retain(|i| i != v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 191 | let _ = &self.data_list.retain(|i| i != v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.13s [INFO] running `Command { std: "docker" "inspect" "d7a728661705b035b83af0b6da9336e48fbfbf832506cc93896fb3550166c952", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7a728661705b035b83af0b6da9336e48fbfbf832506cc93896fb3550166c952", kill_on_drop: false }` [INFO] [stdout] d7a728661705b035b83af0b6da9336e48fbfbf832506cc93896fb3550166c952