[INFO] cloning repository https://github.com/weixinZhang12/rust_practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weixinZhang12/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FweixinZhang12%2Frust_practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FweixinZhang12%2Frust_practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 412ece60caf2427be41f92dc81eeeb44e52a0757 [INFO] testing weixinZhang12/rust_practice against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FweixinZhang12%2Frust_practice" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/weixinZhang12/rust_practice [INFO] finished tweaking git repo https://github.com/weixinZhang12/rust_practice [INFO] tweaked toml for git repo https://github.com/weixinZhang12/rust_practice written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/weixinZhang12/rust_practice on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/weixinZhang12/rust_practice 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 44c34ad63429e3efef2f1c9335f0e3f14f0547955e554135aa3e0ef974f5a5f1 [INFO] running `Command { std: "docker" "start" "-a" "44c34ad63429e3efef2f1c9335f0e3f14f0547955e554135aa3e0ef974f5a5f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44c34ad63429e3efef2f1c9335f0e3f14f0547955e554135aa3e0ef974f5a5f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44c34ad63429e3efef2f1c9335f0e3f14f0547955e554135aa3e0ef974f5a5f1", kill_on_drop: false }` [INFO] [stdout] 44c34ad63429e3efef2f1c9335f0e3f14f0547955e554135aa3e0ef974f5a5f1 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d4615e43873e17a51946915110a896ccba14fae9a5bb424e3cf9bb34dc4ea59 [INFO] running `Command { std: "docker" "start" "-a" "1d4615e43873e17a51946915110a896ccba14fae9a5bb424e3cf9bb34dc4ea59", kill_on_drop: false }` [INFO] [stderr] Compiling colored v2.1.0 [INFO] [stderr] Compiling rust_practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `l171` [INFO] [stdout] --> src/main.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::leetcode::{l171, l389}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> src/leetcode/l283.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/leetcode/l389.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | xor ^= (c as u8) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5 - xor ^= (c as u8) [INFO] [stdout] 5 + xor ^= c as u8 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/leetcode/l389.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | xor ^= (c as u8) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 8 - xor ^= (c as u8) [INFO] [stdout] 8 + xor ^= c as u8 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `temp` is never read [INFO] [stdout] --> src/leetcode/l283.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | let mut temp = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mid` is never read [INFO] [stdout] --> src/leetcode/l35.rs:5:26 [INFO] [stdout] | [INFO] [stdout] 5 | let mut mid: usize = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "1d4615e43873e17a51946915110a896ccba14fae9a5bb424e3cf9bb34dc4ea59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d4615e43873e17a51946915110a896ccba14fae9a5bb424e3cf9bb34dc4ea59", kill_on_drop: false }` [INFO] [stdout] 1d4615e43873e17a51946915110a896ccba14fae9a5bb424e3cf9bb34dc4ea59 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0cde2e98a64c3a15db9a76a4c8b4679bab320558ac50bfdb39d289d5399f64e4 [INFO] running `Command { std: "docker" "start" "-a" "0cde2e98a64c3a15db9a76a4c8b4679bab320558ac50bfdb39d289d5399f64e4", kill_on_drop: false }` [INFO] [stderr] Compiling rust_practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `l171` [INFO] [stdout] --> src/main.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::leetcode::{l171, l389}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> src/leetcode/l283.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/leetcode/l389.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | xor ^= (c as u8) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 5 - xor ^= (c as u8) [INFO] [stdout] 5 + xor ^= c as u8 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/leetcode/l389.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | xor ^= (c as u8) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 8 - xor ^= (c as u8) [INFO] [stdout] 8 + xor ^= c as u8 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `temp` is never read [INFO] [stdout] --> src/leetcode/l283.rs:5:20 [INFO] [stdout] | [INFO] [stdout] 5 | let mut temp = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `mid` is never read [INFO] [stdout] --> src/leetcode/l35.rs:5:26 [INFO] [stdout] | [INFO] [stdout] 5 | let mut mid: usize = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "0cde2e98a64c3a15db9a76a4c8b4679bab320558ac50bfdb39d289d5399f64e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cde2e98a64c3a15db9a76a4c8b4679bab320558ac50bfdb39d289d5399f64e4", kill_on_drop: false }` [INFO] [stdout] 0cde2e98a64c3a15db9a76a4c8b4679bab320558ac50bfdb39d289d5399f64e4 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] eb9034b0b327ba2cf7f641499809a0b0c27aa6a704cfe62cdf4e6f97d44496aa [INFO] running `Command { std: "docker" "start" "-a" "eb9034b0b327ba2cf7f641499809a0b0c27aa6a704cfe62cdf4e6f97d44496aa", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `l171` [INFO] [stderr] --> src/main.rs:6:23 [INFO] [stderr] | [INFO] [stderr] 6 | use crate::leetcode::{l171, l389}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::num` [INFO] [stderr] --> src/leetcode/l283.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use core::num; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/leetcode/l389.rs:5:20 [INFO] [stderr] | [INFO] [stderr] 5 | xor ^= (c as u8) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 5 - xor ^= (c as u8) [INFO] [stderr] 5 + xor ^= c as u8 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/leetcode/l389.rs:8:20 [INFO] [stderr] | [INFO] [stderr] 8 | xor ^= (c as u8) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 8 - xor ^= (c as u8) [INFO] [stderr] 8 + xor ^= c as u8 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: value assigned to `temp` is never read [INFO] [stderr] --> src/leetcode/l283.rs:5:20 [INFO] [stderr] | [INFO] [stderr] 5 | let mut temp = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `mid` is never read [INFO] [stderr] --> src/leetcode/l35.rs:5:26 [INFO] [stderr] | [INFO] [stderr] 5 | let mut mid: usize = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `rust_practice` (bin "rust_practice" test) generated 6 warnings (run `cargo fix --bin "rust_practice" -p rust_practice --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_practice-9d335b99dff103f0) [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" "eb9034b0b327ba2cf7f641499809a0b0c27aa6a704cfe62cdf4e6f97d44496aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb9034b0b327ba2cf7f641499809a0b0c27aa6a704cfe62cdf4e6f97d44496aa", kill_on_drop: false }` [INFO] [stdout] eb9034b0b327ba2cf7f641499809a0b0c27aa6a704cfe62cdf4e6f97d44496aa