[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 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenleadbeater%2Fbinary-search-exercises" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevenleadbeater/binary-search-exercises on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-16/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" "+1.59.0" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa9e42360177dd86b2490e96cd1d9b4aa987dcd3e1311286ccddf98317fc0b58
[INFO] running `Command { std: "docker" "start" "-a" "fa9e42360177dd86b2490e96cd1d9b4aa987dcd3e1311286ccddf98317fc0b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa9e42360177dd86b2490e96cd1d9b4aa987dcd3e1311286ccddf98317fc0b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9e42360177dd86b2490e96cd1d9b4aa987dcd3e1311286ccddf98317fc0b58", kill_on_drop: false }`
[INFO] [stdout] fa9e42360177dd86b2490e96cd1d9b4aa987dcd3e1311286ccddf98317fc0b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4bc31b054d106f30890428e895d7acba12c3c26f21218cfefb29059928ae558
[INFO] running `Command { std: "docker" "start" "-a" "b4bc31b054d106f30890428e895d7acba12c3c26f21218cfefb29059928ae558", 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<i64>) -> 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4bc31b054d106f30890428e895d7acba12c3c26f21218cfefb29059928ae558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4bc31b054d106f30890428e895d7acba12c3c26f21218cfefb29059928ae558", kill_on_drop: false }`
[INFO] [stdout] b4bc31b054d106f30890428e895d7acba12c3c26f21218cfefb29059928ae558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa7e983f6af43aa73b9ffbaaed1317f8723413254b2f9a55e436ec7088cad406
[INFO] running `Command { std: "docker" "start" "-a" "fa7e983f6af43aa73b9ffbaaed1317f8723413254b2f9a55e436ec7088cad406", 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 0.38s
[INFO] running `Command { std: "docker" "inspect" "fa7e983f6af43aa73b9ffbaaed1317f8723413254b2f9a55e436ec7088cad406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7e983f6af43aa73b9ffbaaed1317f8723413254b2f9a55e436ec7088cad406", kill_on_drop: false }`
[INFO] [stdout] fa7e983f6af43aa73b9ffbaaed1317f8723413254b2f9a55e436ec7088cad406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9493602bf06298fbba711101da4ef6441d734f6b475b5d8e9ea7180c1764b8fd
[INFO] running `Command { std: "docker" "start" "-a" "9493602bf06298fbba711101da4ef6441d734f6b475b5d8e9ea7180c1764b8fd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `mid` is never read
[INFO] [stdout] running 7 tests
[INFO] [stderr]   --> src/binary_search.rs:18:17
[INFO] [stdout] test binary_search::tests::center ... ok
[INFO] [stderr]    |
[INFO] [stdout] test binary_search::tests::far_left ... ok
[INFO] [stderr] 18 |         let mut mid = high / 2;
[INFO] [stdout] test binary_search::tests::far_right ... ok
[INFO] [stderr]    |                 ^^^
[INFO] [stdout] test binary_search::tests::left ... ok
[INFO] [stderr]    |
[INFO] [stdout] test binary_search::tests::not_found_left ... ok
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] test binary_search::tests::not_found_right ... ok
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stdout] test binary_search::tests::right ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `binary-search` (bin "binary-search" test) generated 1 warning
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binary_search-368b994ea2b9c7cb)
[INFO] running `Command { std: "docker" "inspect" "9493602bf06298fbba711101da4ef6441d734f6b475b5d8e9ea7180c1764b8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9493602bf06298fbba711101da4ef6441d734f6b475b5d8e9ea7180c1764b8fd", kill_on_drop: false }`
[INFO] [stdout] 9493602bf06298fbba711101da4ef6441d734f6b475b5d8e9ea7180c1764b8fd