[INFO] cloning repository https://github.com/stevenleadbeater/binary-search-exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevenleadbeater/binary-search-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenleadbeater%2Fbinary-search-exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenleadbeater%2Fbinary-search-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6438adb785bb5e6f99f3e1b4840c541bdcc600ce [INFO] testing stevenleadbeater/binary-search-exercises against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenleadbeater%2Fbinary-search-exercises" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stevenleadbeater/binary-search-exercises on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/stevenleadbeater/binary-search-exercises [INFO] finished tweaking git repo https://github.com/stevenleadbeater/binary-search-exercises [INFO] tweaked toml for git repo https://github.com/stevenleadbeater/binary-search-exercises written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/stevenleadbeater/binary-search-exercises already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ee8c0c7519b687636ae96606610a94ff7bc193c2a72a55166f071b1cc5166ea [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" "8ee8c0c7519b687636ae96606610a94ff7bc193c2a72a55166f071b1cc5166ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ee8c0c7519b687636ae96606610a94ff7bc193c2a72a55166f071b1cc5166ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ee8c0c7519b687636ae96606610a94ff7bc193c2a72a55166f071b1cc5166ea", kill_on_drop: false }` [INFO] [stdout] 8ee8c0c7519b687636ae96606610a94ff7bc193c2a72a55166f071b1cc5166ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5376069478c4f571331b57fd38fe09e52d33d0f6f300c26f774e3559a6d2e419 [INFO] running `Command { std: "docker" "start" "-a" "5376069478c4f571331b57fd38fe09e52d33d0f6f300c26f774e3559a6d2e419", kill_on_drop: false }` [INFO] [stderr] Compiling binary-search v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `mid` is never read [INFO] [stdout] --> src/binary_search.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut mid = high / 2; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `BinarySearch` [INFO] [stdout] --> src/binary_search.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct BinarySearch { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/binary_search.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | fn new(array: Vec) -> BinarySearch { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `search` [INFO] [stdout] --> src/binary_search.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | fn search(&self, target: i64) -> i64 { [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 0.55s [INFO] running `Command { std: "docker" "inspect" "5376069478c4f571331b57fd38fe09e52d33d0f6f300c26f774e3559a6d2e419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5376069478c4f571331b57fd38fe09e52d33d0f6f300c26f774e3559a6d2e419", kill_on_drop: false }` [INFO] [stdout] 5376069478c4f571331b57fd38fe09e52d33d0f6f300c26f774e3559a6d2e419 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd7d5cd381a44fbe581d97c78bec660e88134a4c3a6000089a4251699dfd6496 [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" "cd7d5cd381a44fbe581d97c78bec660e88134a4c3a6000089a4251699dfd6496", kill_on_drop: false }` [INFO] [stderr] Compiling binary-search v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `mid` is never read [INFO] [stdout] --> src/binary_search.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut mid = high / 2; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "cd7d5cd381a44fbe581d97c78bec660e88134a4c3a6000089a4251699dfd6496", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd7d5cd381a44fbe581d97c78bec660e88134a4c3a6000089a4251699dfd6496", kill_on_drop: false }` [INFO] [stdout] cd7d5cd381a44fbe581d97c78bec660e88134a4c3a6000089a4251699dfd6496 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 29098c568b4e9d2a038abf9e428d734ce4e6ebfc689e59c67cb134314ca0667b [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" "29098c568b4e9d2a038abf9e428d734ce4e6ebfc689e59c67cb134314ca0667b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: value assigned to `mid` is never read [INFO] [stderr] --> src/binary_search.rs:18:17 [INFO] [stderr] | [INFO] [stderr] 18 | let mut mid = high / 2; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: `binary-search` (bin "binary-search" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/binary_search-8a098b621ed64f65) [INFO] [stdout] running 7 tests [INFO] [stdout] test binary_search::tests::center ... ok [INFO] [stdout] test binary_search::tests::left ... ok [INFO] [stdout] test binary_search::tests::not_found_left ... ok [INFO] [stdout] test binary_search::tests::right ... ok [INFO] [stdout] test binary_search::tests::far_left ... ok [INFO] [stdout] test binary_search::tests::far_right ... ok [INFO] [stdout] test binary_search::tests::not_found_right ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "29098c568b4e9d2a038abf9e428d734ce4e6ebfc689e59c67cb134314ca0667b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29098c568b4e9d2a038abf9e428d734ce4e6ebfc689e59c67cb134314ca0667b", kill_on_drop: false }` [INFO] [stdout] 29098c568b4e9d2a038abf9e428d734ce4e6ebfc689e59c67cb134314ca0667b