[INFO] cloning repository https://github.com/petr-tik/dark_rusty_pool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/petr-tik/dark_rusty_pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetr-tik%2Fdark_rusty_pool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetr-tik%2Fdark_rusty_pool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42eb176a78636a67ab1b37c47433f74d05612d22
[INFO] testing petr-tik/dark_rusty_pool against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetr-tik%2Fdark_rusty_pool" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/petr-tik/dark_rusty_pool on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/petr-tik/dark_rusty_pool
[INFO] finished tweaking git repo https://github.com/petr-tik/dark_rusty_pool
[INFO] tweaked toml for git repo https://github.com/petr-tik/dark_rusty_pool written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/petr-tik/dark_rusty_pool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] a8599ea61675f045e5a249ee243f9b7b74d7cbd070950f3de847aa827348a69d
[INFO] running `Command { std: "docker" "start" "-a" "a8599ea61675f045e5a249ee243f9b7b74d7cbd070950f3de847aa827348a69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8599ea61675f045e5a249ee243f9b7b74d7cbd070950f3de847aa827348a69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8599ea61675f045e5a249ee243f9b7b74d7cbd070950f3de847aa827348a69d", kill_on_drop: false }`
[INFO] [stdout] a8599ea61675f045e5a249ee243f9b7b74d7cbd070950f3de847aa827348a69d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cb76d2081f9cc051f5397c6a0494c4ef7896b701427c84fe99844172fca104e
[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" "5cb76d2081f9cc051f5397c6a0494c4ef7896b701427c84fe99844172fca104e", kill_on_drop: false }`
[INFO] [stderr]    Compiling order_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut prev = reports.get_mut(&!ob.last_action_side).unwrap();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "5cb76d2081f9cc051f5397c6a0494c4ef7896b701427c84fe99844172fca104e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb76d2081f9cc051f5397c6a0494c4ef7896b701427c84fe99844172fca104e", kill_on_drop: false }`
[INFO] [stdout] 5cb76d2081f9cc051f5397c6a0494c4ef7896b701427c84fe99844172fca104e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 809219534ce5fea99cecb2d2dcf0d3d0355e8bb6d5c2be7991c7fb76aa2c1671
[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" "809219534ce5fea99cecb2d2dcf0d3d0355e8bb6d5c2be7991c7fb76aa2c1671", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling order_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut prev = reports.get_mut(&!ob.last_action_side).unwrap();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "809219534ce5fea99cecb2d2dcf0d3d0355e8bb6d5c2be7991c7fb76aa2c1671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "809219534ce5fea99cecb2d2dcf0d3d0355e8bb6d5c2be7991c7fb76aa2c1671", kill_on_drop: false }`
[INFO] [stdout] 809219534ce5fea99cecb2d2dcf0d3d0355e8bb6d5c2be7991c7fb76aa2c1671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", 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] 9634cea3d44ac6013a52ce197b1a204b22402ce61faf2e3a864c9c8ea8fa0e7a
[INFO] running `Command { std: "docker" "start" "-a" "9634cea3d44ac6013a52ce197b1a204b22402ce61faf2e3a864c9c8ea8fa0e7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut prev = reports.get_mut(&!ob.last_action_side).unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `order_book` (bin "order_book" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/order_book-f5a8843549c0c143)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test amount::tests::add_two_amounts ... ok
[INFO] [stdout] test amount::tests::constructor_default_works ... ok
[INFO] [stdout] test amount::tests::constructor_from_str_works ... ok
[INFO] [stdout] test amount::tests::convert_from_bidamount_to_amount ... ok
[INFO] [stdout] test amount::tests::convert_from_ref_bidamount_to_amount ... ok
[INFO] [stdout] test amount::tests::display_works ... ok
[INFO] [stdout] test amount::tests::multiply_by_ten ... ok
[INFO] [stdout] test amount::tests::multiply_by_zero ... ok
[INFO] [stdout] test bidamount::tests::add_two_amounts ... ok
[INFO] [stdout] test bidamount::tests::compare_greater ... ok
[INFO] [stdout] test bidamount::tests::bin_search_with_new_order ... ok
[INFO] [stdout] test bidamount::tests::compare_equals ... ok
[INFO] [stdout] test bidamount::tests::compare_less ... ok
[INFO] [stdout] test bidamount::tests::constructor_from_str_works ... ok
[INFO] [stdout] test bidamount::tests::convert_from_amount_to_bidamount ... ok
[INFO] [stdout] test bidamount::tests::convert_from_ref_amount_to_bidamount ... ok
[INFO] [stdout] test bidamount::tests::multiply_by_ten ... ok
[INFO] [stdout] test bidamount::tests::multiply_by_zero ... ok
[INFO] [stdout] test orderbook::tests::asks_vec_add ... ok
[INFO] [stdout] test orderbook::tests::asks_vec_search_err ... ok
[INFO] [stdout] test orderbook::tests::asks_vec_search_ok ... ok
[INFO] [stdout] test orderbook::tests::orderbook_add_ask ... ok
[INFO] [stdout] test orderbook::tests::orderbook_add_bid ... ok
[INFO] [stdout] test orderbook::tests::orderbook_add_reduce_add ... ok
[INFO] [stdout] test orderbook::tests::orderbook_reduce_bid ... ok
[INFO] [stdout] test orderbook::tests::prices_vec_len ... ok
[INFO] [stdout] test orderbook::tests::prices_vec_with_capacity ... ok
[INFO] [stdout] test orderbook::tests::run_through_basic ... ok
[INFO] [stdout] test orders::tests::reduce_order_constructor ... ok
[INFO] [stdout] test orders::tests::limit_order_constructor ... ok
[INFO] [stdout] test orderbook::tests::orderbook_constructor_works ... ok
[INFO] [stdout] test bidamount::tests::constructor_default_works ... ok
[INFO] [stdout] test bidamount::tests::display_works ... ok
[INFO] [stdout] test orderbook::tests::orderbook_reduce_ask ... ok
[INFO] [stdout] test bidamount::tests::bad_constructor_panics - should panic ... ok
[INFO] [stdout] test amount::tests::bad_constructor_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9634cea3d44ac6013a52ce197b1a204b22402ce61faf2e3a864c9c8ea8fa0e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9634cea3d44ac6013a52ce197b1a204b22402ce61faf2e3a864c9c8ea8fa0e7a", kill_on_drop: false }`
[INFO] [stdout] 9634cea3d44ac6013a52ce197b1a204b22402ce61faf2e3a864c9c8ea8fa0e7a