[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 try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenleadbeater%2Fbinary-search-exercises" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stevenleadbeater/binary-search-exercises on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-9/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3d64cd70469e4588b1ab2181246017019cae12e0795776580cdef54ca892c5a [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" "a3d64cd70469e4588b1ab2181246017019cae12e0795776580cdef54ca892c5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3d64cd70469e4588b1ab2181246017019cae12e0795776580cdef54ca892c5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3d64cd70469e4588b1ab2181246017019cae12e0795776580cdef54ca892c5a", kill_on_drop: false }` [INFO] [stdout] a3d64cd70469e4588b1ab2181246017019cae12e0795776580cdef54ca892c5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f776930d9b2cba3c97b45f5ad5351da6336cc2755b8f9472ac7b0b5ad505fbaa [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" "f776930d9b2cba3c97b45f5ad5351da6336cc2755b8f9472ac7b0b5ad505fbaa", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 1.28s [INFO] running `Command { std: "docker" "inspect" "f776930d9b2cba3c97b45f5ad5351da6336cc2755b8f9472ac7b0b5ad505fbaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f776930d9b2cba3c97b45f5ad5351da6336cc2755b8f9472ac7b0b5ad505fbaa", kill_on_drop: false }` [INFO] [stdout] f776930d9b2cba3c97b45f5ad5351da6336cc2755b8f9472ac7b0b5ad505fbaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d8df870fc3d424836a86cfa679597c41bfdc7869fb1a42ec2f64275ec74d84b [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" "6d8df870fc3d424836a86cfa679597c41bfdc7869fb1a42ec2f64275ec74d84b", 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 0.87s [INFO] running `Command { std: "docker" "inspect" "6d8df870fc3d424836a86cfa679597c41bfdc7869fb1a42ec2f64275ec74d84b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d8df870fc3d424836a86cfa679597c41bfdc7869fb1a42ec2f64275ec74d84b", kill_on_drop: false }` [INFO] [stdout] 6d8df870fc3d424836a86cfa679597c41bfdc7869fb1a42ec2f64275ec74d84b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 08cdff05e7d91003a81f8d1818c72c41dd2de77ddf0e9ab2dbe7df485cc03524 [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" "08cdff05e7d91003a81f8d1818c72c41dd2de77ddf0e9ab2dbe7df485cc03524", kill_on_drop: false }` [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 0.01s [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::far_right ... ok [INFO] [stdout] test binary_search::tests::not_found_left ... ok [INFO] [stdout] test binary_search::tests::not_found_right ... ok [INFO] [stdout] test binary_search::tests::right ... ok [INFO] [stdout] test binary_search::tests::left ... ok [INFO] [stdout] test binary_search::tests::far_left ... 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" "08cdff05e7d91003a81f8d1818c72c41dd2de77ddf0e9ab2dbe7df485cc03524", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08cdff05e7d91003a81f8d1818c72c41dd2de77ddf0e9ab2dbe7df485cc03524", kill_on_drop: false }` [INFO] [stdout] 08cdff05e7d91003a81f8d1818c72c41dd2de77ddf0e9ab2dbe7df485cc03524