[INFO] fetching crate pwat 0.1.1... [INFO] testing pwat-0.1.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate pwat 0.1.1 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pwat 0.1.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ab3088ca4c37737429b5bf199db8d89424b0c44626d88ae28b069c9d804c4e00 [INFO] running `Command { std: "docker" "start" "-a" "ab3088ca4c37737429b5bf199db8d89424b0c44626d88ae28b069c9d804c4e00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ab3088ca4c37737429b5bf199db8d89424b0c44626d88ae28b069c9d804c4e00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab3088ca4c37737429b5bf199db8d89424b0c44626d88ae28b069c9d804c4e00", kill_on_drop: false }` [INFO] [stdout] ab3088ca4c37737429b5bf199db8d89424b0c44626d88ae28b069c9d804c4e00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3140758a783dabd4eaffc64ee7d9b3f762f98a68fb16b6136343cc68ee0a143a [INFO] running `Command { std: "docker" "start" "-a" "3140758a783dabd4eaffc64ee7d9b3f762f98a68fb16b6136343cc68ee0a143a", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition 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)]` 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 0.88s [INFO] running `Command { std: "docker" "inspect" "3140758a783dabd4eaffc64ee7d9b3f762f98a68fb16b6136343cc68ee0a143a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3140758a783dabd4eaffc64ee7d9b3f762f98a68fb16b6136343cc68ee0a143a", kill_on_drop: false }` [INFO] [stdout] 3140758a783dabd4eaffc64ee7d9b3f762f98a68fb16b6136343cc68ee0a143a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c668e9df1c2ab0ea44d5415f39d9ae0d554a29097eda85cc6ef1c0809a6e1564 [INFO] running `Command { std: "docker" "start" "-a" "c668e9df1c2ab0ea44d5415f39d9ae0d554a29097eda85cc6ef1c0809a6e1564", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition 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)]` 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 0.30s [INFO] running `Command { std: "docker" "inspect" "c668e9df1c2ab0ea44d5415f39d9ae0d554a29097eda85cc6ef1c0809a6e1564", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c668e9df1c2ab0ea44d5415f39d9ae0d554a29097eda85cc6ef1c0809a6e1564", kill_on_drop: false }` [INFO] [stdout] c668e9df1c2ab0ea44d5415f39d9ae0d554a29097eda85cc6ef1c0809a6e1564 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7eb3743d4e28708d6d81c5149e7a2636789eeb9301c04401f4f64c6092a4a2bd [INFO] running `Command { std: "docker" "start" "-a" "7eb3743d4e28708d6d81c5149e7a2636789eeb9301c04401f4f64c6092a4a2bd", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition 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)]` 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 0.05s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pwat-8d7f9323d39061d2) [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" "7eb3743d4e28708d6d81c5149e7a2636789eeb9301c04401f4f64c6092a4a2bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eb3743d4e28708d6d81c5149e7a2636789eeb9301c04401f4f64c6092a4a2bd", kill_on_drop: false }` [INFO] [stdout] 7eb3743d4e28708d6d81c5149e7a2636789eeb9301c04401f4f64c6092a4a2bd