[INFO] fetching crate cargo-todo 0.2.0... [INFO] testing cargo-todo-0.2.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate cargo-todo 0.2.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate cargo-todo 0.2.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cargo-todo 0.2.0 [INFO] finished tweaking crates.io crate cargo-todo 0.2.0 [INFO] tweaked toml for crates.io crate cargo-todo 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate cargo-todo 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded string-parser v0.1.5 [INFO] [stderr] Downloaded string_format v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4d7356cabcd551ae0a06bff5f21ab9983872c9dc0f81b630b797a8412d4be40 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b4d7356cabcd551ae0a06bff5f21ab9983872c9dc0f81b630b797a8412d4be40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4d7356cabcd551ae0a06bff5f21ab9983872c9dc0f81b630b797a8412d4be40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4d7356cabcd551ae0a06bff5f21ab9983872c9dc0f81b630b797a8412d4be40", kill_on_drop: false }` [INFO] [stdout] b4d7356cabcd551ae0a06bff5f21ab9983872c9dc0f81b630b797a8412d4be40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98fcc1c81f442fb244f30d9d2a459c69df56a02fe171fcbda32ce6a8397a15eb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "98fcc1c81f442fb244f30d9d2a459c69df56a02fe171fcbda32ce6a8397a15eb", kill_on_drop: false }` [INFO] [stderr] Compiling string_format v0.1.0 [INFO] [stderr] Compiling string-parser v0.1.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling cargo-todo v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:246:25 [INFO] [stdout] | [INFO] [stdout] 246 | &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] 246 | 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:264:25 [INFO] [stdout] | [INFO] [stdout] 264 | &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] 264 | 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:278:25 [INFO] [stdout] | [INFO] [stdout] 278 | &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] 278 | 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:296:25 [INFO] [stdout] | [INFO] [stdout] 296 | &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] 296 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.36s [INFO] running `Command { std: "docker" "inspect" "98fcc1c81f442fb244f30d9d2a459c69df56a02fe171fcbda32ce6a8397a15eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98fcc1c81f442fb244f30d9d2a459c69df56a02fe171fcbda32ce6a8397a15eb", kill_on_drop: false }` [INFO] [stdout] 98fcc1c81f442fb244f30d9d2a459c69df56a02fe171fcbda32ce6a8397a15eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82079bb395212ca0c44759e12ad847aed99de730d00f08b1f50c2f26f3a48b8f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "82079bb395212ca0c44759e12ad847aed99de730d00f08b1f50c2f26f3a48b8f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cargo-todo v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:246:25 [INFO] [stdout] | [INFO] [stdout] 246 | &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] 246 | 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:264:25 [INFO] [stdout] | [INFO] [stdout] 264 | &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] 264 | 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:278:25 [INFO] [stdout] | [INFO] [stdout] 278 | &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] 278 | 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:296:25 [INFO] [stdout] | [INFO] [stdout] 296 | &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] 296 | let _ = &new_tokens.push(i.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "82079bb395212ca0c44759e12ad847aed99de730d00f08b1f50c2f26f3a48b8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82079bb395212ca0c44759e12ad847aed99de730d00f08b1f50c2f26f3a48b8f", kill_on_drop: false }` [INFO] [stdout] 82079bb395212ca0c44759e12ad847aed99de730d00f08b1f50c2f26f3a48b8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a7911d28ff01a2a7b875857555489852f4a611033f8d202e7964068b23f019d0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a7911d28ff01a2a7b875857555489852f4a611033f8d202e7964068b23f019d0", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:246:25 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 246 | &new_tokens.push(i.clone()); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 246 | let _ = &new_tokens.push(i.clone()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:264:25 [INFO] [stderr] | [INFO] [stderr] 264 | &new_tokens.push(i.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 264 | let _ = &new_tokens.push(i.clone()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:278:25 [INFO] [stderr] | [INFO] [stderr] 278 | &new_tokens.push(i.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 278 | let _ = &new_tokens.push(i.clone()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:296:25 [INFO] [stderr] | [INFO] [stderr] 296 | &new_tokens.push(i.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 296 | let _ = &new_tokens.push(i.clone()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `cargo-todo` (bin "cargo-todo" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cargo_todo-2a9a5d4d581d92a1) [INFO] running `Command { std: "docker" "inspect" "a7911d28ff01a2a7b875857555489852f4a611033f8d202e7964068b23f019d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7911d28ff01a2a7b875857555489852f4a611033f8d202e7964068b23f019d0", kill_on_drop: false }` [INFO] [stdout] a7911d28ff01a2a7b875857555489852f4a611033f8d202e7964068b23f019d0