[INFO] cloning repository https://github.com/xiaowang7777/react_solution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiaowang7777/react_solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaowang7777%2Freact_solution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaowang7777%2Freact_solution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 517bb9466c42fc2338843157d351648195c796bf [INFO] testing xiaowang7777/react_solution against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiaowang7777%2Freact_solution" "/workspace/builds/worker-26/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xiaowang7777/react_solution on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xiaowang7777/react_solution [INFO] finished tweaking git repo https://github.com/xiaowang7777/react_solution [INFO] tweaked toml for git repo https://github.com/xiaowang7777/react_solution written to /workspace/builds/worker-26/source/Cargo.toml [INFO] crate git repo https://github.com/xiaowang7777/react_solution already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0acf8c5dbfe4f83eda21b1dffe9947221515eee03e63fd4b510e932cb4da1702 [INFO] running `Command { std: "docker" "start" "-a" "0acf8c5dbfe4f83eda21b1dffe9947221515eee03e63fd4b510e932cb4da1702", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0acf8c5dbfe4f83eda21b1dffe9947221515eee03e63fd4b510e932cb4da1702", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0acf8c5dbfe4f83eda21b1dffe9947221515eee03e63fd4b510e932cb4da1702", kill_on_drop: false }` [INFO] [stdout] 0acf8c5dbfe4f83eda21b1dffe9947221515eee03e63fd4b510e932cb4da1702 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 41396e98e4ecb2aa93266b8837c115687f0961844a184c6b73fbf0bd95929a60 [INFO] running `Command { std: "docker" "start" "-a" "41396e98e4ecb2aa93266b8837c115687f0961844a184c6b73fbf0bd95929a60", kill_on_drop: false }` [INFO] [stderr] Compiling rust_solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp::min` [INFO] [stdout] --> src/solution.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::min; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/solution.rs:315:13 [INFO] [stdout] | [INFO] [stdout] 315 | let idx: usize = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "41396e98e4ecb2aa93266b8837c115687f0961844a184c6b73fbf0bd95929a60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41396e98e4ecb2aa93266b8837c115687f0961844a184c6b73fbf0bd95929a60", kill_on_drop: false }` [INFO] [stdout] 41396e98e4ecb2aa93266b8837c115687f0961844a184c6b73fbf0bd95929a60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90c785da7488c2285df2accf1b9edd76699e7427b83bc495b49e3ea3ef2481a7 [INFO] running `Command { std: "docker" "start" "-a" "90c785da7488c2285df2accf1b9edd76699e7427b83bc495b49e3ea3ef2481a7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp::min` [INFO] [stdout] --> src/solution.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::min; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/solution.rs:315:13 [INFO] [stdout] | [INFO] [stdout] 315 | let idx: usize = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::min` [INFO] [stdout] --> src/solution.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::min; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/solution.rs:315:13 [INFO] [stdout] | [INFO] [stdout] 315 | let idx: usize = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.85s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_solution-2e688af1f672f7f5) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_solution-e13fb0a77ecf5161) [INFO] running `Command { std: "docker" "inspect" "90c785da7488c2285df2accf1b9edd76699e7427b83bc495b49e3ea3ef2481a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90c785da7488c2285df2accf1b9edd76699e7427b83bc495b49e3ea3ef2481a7", kill_on_drop: false }` [INFO] [stdout] 90c785da7488c2285df2accf1b9edd76699e7427b83bc495b49e3ea3ef2481a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9a05fd9f43b1613d4d6ed8c3e6615c81aa815ee91b6270dd20444e98dd8676a6 [INFO] running `Command { std: "docker" "start" "-a" "9a05fd9f43b1613d4d6ed8c3e6615c81aa815ee91b6270dd20444e98dd8676a6", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::cmp::min` [INFO] [stderr] --> src/solution.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp::min; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/solution.rs:315:13 [INFO] [stderr] | [INFO] [stderr] 315 | let idx: usize = 0; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust_solution` (lib) generated 2 warnings [INFO] [stderr] warning: `rust_solution` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_solution-2e688af1f672f7f5) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_solution-e13fb0a77ecf5161) [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] [stderr] Doc-tests rust_solution [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" "9a05fd9f43b1613d4d6ed8c3e6615c81aa815ee91b6270dd20444e98dd8676a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a05fd9f43b1613d4d6ed8c3e6615c81aa815ee91b6270dd20444e98dd8676a6", kill_on_drop: false }` [INFO] [stdout] 9a05fd9f43b1613d4d6ed8c3e6615c81aa815ee91b6270dd20444e98dd8676a6