[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#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenleadbeater%2Fbinary-search-exercises" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stevenleadbeater/binary-search-exercises on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stevenleadbeater/binary-search-exercises 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b56618da4f302bf37c306492e29e3541f6a415e3af35e07aaea9555a51bc994
[INFO] running `Command { std: "docker" "start" "-a" "2b56618da4f302bf37c306492e29e3541f6a415e3af35e07aaea9555a51bc994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b56618da4f302bf37c306492e29e3541f6a415e3af35e07aaea9555a51bc994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b56618da4f302bf37c306492e29e3541f6a415e3af35e07aaea9555a51bc994", kill_on_drop: false }`
[INFO] [stdout] 2b56618da4f302bf37c306492e29e3541f6a415e3af35e07aaea9555a51bc994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 337bf2c13020a1ec2ce253094efbe86e0e66c061a4bba5fbaa981105c16b53f0
[INFO] running `Command { std: "docker" "start" "-a" "337bf2c13020a1ec2ce253094efbe86e0e66c061a4bba5fbaa981105c16b53f0", 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:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut mid = high / 2;
[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: struct `BinarySearch` is never constructed
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `search` are never used
[INFO] [stdout]   --> src/binary_search.rs:6:8
[INFO] [stdout]    |
[INFO] [stdout]  5 | impl BinarySearch {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout]  6 |     fn new(array: Vec<i64>) -> BinarySearch {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn search(&self, target: i64) -> i64 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "337bf2c13020a1ec2ce253094efbe86e0e66c061a4bba5fbaa981105c16b53f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337bf2c13020a1ec2ce253094efbe86e0e66c061a4bba5fbaa981105c16b53f0", kill_on_drop: false }`
[INFO] [stdout] 337bf2c13020a1ec2ce253094efbe86e0e66c061a4bba5fbaa981105c16b53f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a7d03d15dea581a3273c667b8d1c948f307301effdfcd8ed25a51e901273087
[INFO] running `Command { std: "docker" "start" "-a" "0a7d03d15dea581a3273c667b8d1c948f307301effdfcd8ed25a51e901273087", 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:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut mid = high / 2;
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "0a7d03d15dea581a3273c667b8d1c948f307301effdfcd8ed25a51e901273087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7d03d15dea581a3273c667b8d1c948f307301effdfcd8ed25a51e901273087", kill_on_drop: false }`
[INFO] [stdout] 0a7d03d15dea581a3273c667b8d1c948f307301effdfcd8ed25a51e901273087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0721ce48c9eba57014925c7bcdf42a91cdf3542ed23e14e0ee56438be9ccdbb
[INFO] running `Command { std: "docker" "start" "-a" "d0721ce48c9eba57014925c7bcdf42a91cdf3542ed23e14e0ee56438be9ccdbb", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `mid` is never read
[INFO] [stderr]   --> src/binary_search.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut mid = high / 2;
[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: `binary-search` (bin "binary-search" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/binary_search-b348690478c8cd4d)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test binary_search::tests::not_found_left ... ok
[INFO] [stdout] test binary_search::tests::center ... ok
[INFO] [stdout] test binary_search::tests::not_found_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::right ... ok
[INFO] [stdout] test binary_search::tests::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" "d0721ce48c9eba57014925c7bcdf42a91cdf3542ed23e14e0ee56438be9ccdbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0721ce48c9eba57014925c7bcdf42a91cdf3542ed23e14e0ee56438be9ccdbb", kill_on_drop: false }`
[INFO] [stdout] d0721ce48c9eba57014925c7bcdf42a91cdf3542ed23e14e0ee56438be9ccdbb