[INFO] fetching crate pwat 0.1.1... [INFO] testing pwat-0.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate pwat 0.1.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate pwat 0.1.1 [INFO] finished tweaking crates.io crate pwat 0.1.1 [INFO] tweaked toml for crates.io crate pwat 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pwat 0.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] [stderr] Adding rpassword v0.0.4 (available: v7.4.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1076051b5866b831063193c86a05f5059877d6470f127a2d233e89a1008cbf19 [INFO] running `Command { std: "docker" "start" "-a" "1076051b5866b831063193c86a05f5059877d6470f127a2d233e89a1008cbf19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1076051b5866b831063193c86a05f5059877d6470f127a2d233e89a1008cbf19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1076051b5866b831063193c86a05f5059877d6470f127a2d233e89a1008cbf19", kill_on_drop: false }` [INFO] [stdout] 1076051b5866b831063193c86a05f5059877d6470f127a2d233e89a1008cbf19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22ebfdf541404c2b6c1384ccf6733d367938bb30265171fa4087b7982d7e81fb [INFO] running `Command { std: "docker" "start" "-a" "22ebfdf541404c2b6c1384ccf6733d367938bb30265171fa4087b7982d7e81fb", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling libc v0.1.12 [INFO] [stderr] Compiling termios v0.0.5 [INFO] [stderr] Compiling rpassword v0.0.4 [INFO] [stderr] Compiling pwat v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | stdout().flush(); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | for n in s.parse::() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 24 - for n in s.parse::() { [INFO] [stdout] 24 + while let Ok(n) = s.parse::() { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 24 - for n in s.parse::() { [INFO] [stdout] 24 + if let Ok(n) = s.parse::() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:25:24 [INFO] [stdout] | [INFO] [stdout] 25 | for c in password.chars().nth(n as usize - 1) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 25 - for c in password.chars().nth(n as usize - 1) { [INFO] [stdout] 25 + while let Some(c) = password.chars().nth(n as usize - 1) { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 25 - for c in password.chars().nth(n as usize - 1) { [INFO] [stdout] 25 + if let Some(c) = password.chars().nth(n as usize - 1) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "22ebfdf541404c2b6c1384ccf6733d367938bb30265171fa4087b7982d7e81fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22ebfdf541404c2b6c1384ccf6733d367938bb30265171fa4087b7982d7e81fb", kill_on_drop: false }` [INFO] [stdout] 22ebfdf541404c2b6c1384ccf6733d367938bb30265171fa4087b7982d7e81fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa38731fa622393da67030f62c8b1c1a0deaa67e196c34c0b1d6882f1075a4d7 [INFO] running `Command { std: "docker" "start" "-a" "aa38731fa622393da67030f62c8b1c1a0deaa67e196c34c0b1d6882f1075a4d7", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling pwat v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | stdout().flush(); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 20 | let _ = stdout().flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | for n in s.parse::() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 24 - for n in s.parse::() { [INFO] [stdout] 24 + while let Ok(n) = s.parse::() { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 24 - for n in s.parse::() { [INFO] [stdout] 24 + if let Ok(n) = s.parse::() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:25:24 [INFO] [stdout] | [INFO] [stdout] 25 | for c in password.chars().nth(n as usize - 1) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 25 - for c in password.chars().nth(n as usize - 1) { [INFO] [stdout] 25 + while let Some(c) = password.chars().nth(n as usize - 1) { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 25 - for c in password.chars().nth(n as usize - 1) { [INFO] [stdout] 25 + if let Some(c) = password.chars().nth(n as usize - 1) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "aa38731fa622393da67030f62c8b1c1a0deaa67e196c34c0b1d6882f1075a4d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa38731fa622393da67030f62c8b1c1a0deaa67e196c34c0b1d6882f1075a4d7", kill_on_drop: false }` [INFO] [stdout] aa38731fa622393da67030f62c8b1c1a0deaa67e196c34c0b1d6882f1075a4d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b88ddadde66b720eb3c82cfaf83f74a36e39feabe96c08e5210eeeefeab582a2 [INFO] running `Command { std: "docker" "start" "-a" "b88ddadde66b720eb3c82cfaf83f74a36e39feabe96c08e5210eeeefeab582a2", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:20:7 [INFO] [stderr] | [INFO] [stderr] 20 | stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 20 | let _ = stdout().flush(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: for loop over a `Result`. This is more readably written as an `if let` statement [INFO] [stderr] --> src/main.rs:24:20 [INFO] [stderr] | [INFO] [stderr] 24 | for n in s.parse::() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stderr] help: to check pattern in a loop use `while let` [INFO] [stderr] | [INFO] [stderr] 24 - for n in s.parse::() { [INFO] [stderr] 24 + while let Ok(n) = s.parse::() { [INFO] [stderr] | [INFO] [stderr] help: consider using `if let` to clear intent [INFO] [stderr] | [INFO] [stderr] 24 - for n in s.parse::() { [INFO] [stderr] 24 + if let Ok(n) = s.parse::() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stderr] --> src/main.rs:25:24 [INFO] [stderr] | [INFO] [stderr] 25 | for c in password.chars().nth(n as usize - 1) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: to check pattern in a loop use `while let` [INFO] [stderr] | [INFO] [stderr] 25 - for c in password.chars().nth(n as usize - 1) { [INFO] [stderr] 25 + while let Some(c) = password.chars().nth(n as usize - 1) { [INFO] [stderr] | [INFO] [stderr] help: consider using `if let` to clear intent [INFO] [stderr] | [INFO] [stderr] 25 - for c in password.chars().nth(n as usize - 1) { [INFO] [stderr] 25 + if let Some(c) = password.chars().nth(n as usize - 1) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `pwat` (bin "pwat" test) generated 3 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pwat-04385459c9abc54e) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b88ddadde66b720eb3c82cfaf83f74a36e39feabe96c08e5210eeeefeab582a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b88ddadde66b720eb3c82cfaf83f74a36e39feabe96c08e5210eeeefeab582a2", kill_on_drop: false }` [INFO] [stdout] b88ddadde66b720eb3c82cfaf83f74a36e39feabe96c08e5210eeeefeab582a2