[INFO] fetching crate cargo-todo 0.2.1... [INFO] checking cargo-todo-0.2.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate cargo-todo 0.2.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate cargo-todo 0.2.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cargo-todo 0.2.1 [INFO] finished tweaking crates.io crate cargo-todo 0.2.1 [INFO] tweaked toml for crates.io crate cargo-todo 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate cargo-todo 0.2.1 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded string-parser v0.1.5 [INFO] [stderr] Downloaded thread_local v1.0.1 [INFO] [stderr] Downloaded rust-argon2 v0.7.0 [INFO] [stderr] Downloaded string_format v0.1.0 [INFO] [stderr] Downloaded blake2b_simd v0.5.10 [INFO] [stderr] Downloaded colored v1.9.3 [INFO] [stderr] Downloaded redox_users v0.3.4 [INFO] [stderr] Downloaded arrayvec v0.5.1 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded aho-corasick v0.7.13 [INFO] [stderr] Downloaded chrono v0.4.13 [INFO] [stderr] Downloaded clap v2.33.1 [INFO] [stderr] Downloaded regex v1.3.9 [INFO] [stderr] Downloaded regex-syntax v0.6.18 [INFO] [stderr] Downloaded libc v0.2.72 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d1a720f8ddf8a6369406b8c0f305d8500f4ca239f53493f4082cf8b8bfebfcf [INFO] running `Command { std: "docker" "start" "-a" "9d1a720f8ddf8a6369406b8c0f305d8500f4ca239f53493f4082cf8b8bfebfcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d1a720f8ddf8a6369406b8c0f305d8500f4ca239f53493f4082cf8b8bfebfcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d1a720f8ddf8a6369406b8c0f305d8500f4ca239f53493f4082cf8b8bfebfcf", kill_on_drop: false }` [INFO] [stdout] 9d1a720f8ddf8a6369406b8c0f305d8500f4ca239f53493f4082cf8b8bfebfcf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 817678ab2c0de21a947e2b83a476e319502b94a30e65370e08d23610749b9dfe [INFO] running `Command { std: "docker" "start" "-a" "817678ab2c0de21a947e2b83a476e319502b94a30e65370e08d23610749b9dfe", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking string_format v0.1.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking string-parser v0.1.5 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking cargo-todo v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:249:25 [INFO] [stdout] | [INFO] [stdout] 249 | &new_tokens.push(i.clone()); [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] 249 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:267:25 [INFO] [stdout] | [INFO] [stdout] 267 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 267 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:281:25 [INFO] [stdout] | [INFO] [stdout] 281 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 281 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 299 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:249:25 [INFO] [stdout] | [INFO] [stdout] 249 | &new_tokens.push(i.clone()); [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] 249 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:267:25 [INFO] [stdout] | [INFO] [stdout] 267 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 267 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:281:25 [INFO] [stdout] | [INFO] [stdout] 281 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 281 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | &new_tokens.push(i.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 299 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.77s [INFO] running `Command { std: "docker" "inspect" "817678ab2c0de21a947e2b83a476e319502b94a30e65370e08d23610749b9dfe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "817678ab2c0de21a947e2b83a476e319502b94a30e65370e08d23610749b9dfe", kill_on_drop: false }` [INFO] [stdout] 817678ab2c0de21a947e2b83a476e319502b94a30e65370e08d23610749b9dfe