[INFO] cloning repository https://github.com/amorriscode/sorting-hat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amorriscode/sorting-hat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famorriscode%2Fsorting-hat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famorriscode%2Fsorting-hat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 627520041e4fcf544cab2bb58f2d1addbb5ebc8e
[INFO] testing amorriscode/sorting-hat against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famorriscode%2Fsorting-hat" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amorriscode/sorting-hat on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amorriscode/sorting-hat
[INFO] finished tweaking git repo https://github.com/amorriscode/sorting-hat
[INFO] tweaked toml for git repo https://github.com/amorriscode/sorting-hat written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/amorriscode/sorting-hat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb0c060a4f915a16ca3a0a04535a32c3dfa3485f9073b93ef2a40dbc9e34471b
[INFO] running `Command { std: "docker" "start" "-a" "bb0c060a4f915a16ca3a0a04535a32c3dfa3485f9073b93ef2a40dbc9e34471b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb0c060a4f915a16ca3a0a04535a32c3dfa3485f9073b93ef2a40dbc9e34471b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0c060a4f915a16ca3a0a04535a32c3dfa3485f9073b93ef2a40dbc9e34471b", kill_on_drop: false }`
[INFO] [stdout] bb0c060a4f915a16ca3a0a04535a32c3dfa3485f9073b93ef2a40dbc9e34471b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c174559da37378153eff78865b3e8cdea91d0ebd8cae57a0af56dcbd9983768c
[INFO] running `Command { std: "docker" "start" "-a" "c174559da37378153eff78865b3e8cdea91d0ebd8cae57a0af56dcbd9983768c", kill_on_drop: false }`
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling tui v0.12.0
[INFO] [stderr]    Compiling sorting-hat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `termion::event::Key`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termion::event::Key;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::TermRead`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use termion::input::TermRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `List`
[INFO] [stdout]   --> src/main.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tui::widgets::{Block, Borders, List, Row, Table};
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |         terminal.draw(|mut f| {
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         terminal.draw(|mut f| {
[INFO] [stdout] 29 | |             let chunks = Layout::default()
[INFO] [stdout] 30 | |                 .direction(Direction::Vertical)
[INFO] [stdout] 31 | |                 .margin(4)
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |             f.render_widget(table, chunks[0])
[INFO] [stdout] 52 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
[INFO] running `Command { std: "docker" "inspect" "c174559da37378153eff78865b3e8cdea91d0ebd8cae57a0af56dcbd9983768c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c174559da37378153eff78865b3e8cdea91d0ebd8cae57a0af56dcbd9983768c", kill_on_drop: false }`
[INFO] [stdout] c174559da37378153eff78865b3e8cdea91d0ebd8cae57a0af56dcbd9983768c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e86cbc0538618e11c0ca8a77498ac6f5a83f50249d1c5a1ca65181a871bb0065
[INFO] running `Command { std: "docker" "start" "-a" "e86cbc0538618e11c0ca8a77498ac6f5a83f50249d1c5a1ca65181a871bb0065", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorting-hat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `termion::event::Key`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termion::event::Key;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `termion::input::TermRead`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use termion::input::TermRead;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `List`
[INFO] [stdout]   --> src/main.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tui::widgets::{Block, Borders, List, Row, Table};
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |         terminal.draw(|mut f| {
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         terminal.draw(|mut f| {
[INFO] [stdout] 29 | |             let chunks = Layout::default()
[INFO] [stdout] 30 | |                 .direction(Direction::Vertical)
[INFO] [stdout] 31 | |                 .margin(4)
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | |             f.render_widget(table, chunks[0])
[INFO] [stdout] 52 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e86cbc0538618e11c0ca8a77498ac6f5a83f50249d1c5a1ca65181a871bb0065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86cbc0538618e11c0ca8a77498ac6f5a83f50249d1c5a1ca65181a871bb0065", kill_on_drop: false }`
[INFO] [stdout] e86cbc0538618e11c0ca8a77498ac6f5a83f50249d1c5a1ca65181a871bb0065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e31fb7a60924c1e3b448bc24a5c9e0cfde82f5f6749f54745ae644b70674eb68
[INFO] running `Command { std: "docker" "start" "-a" "e31fb7a60924c1e3b448bc24a5c9e0cfde82f5f6749f54745ae644b70674eb68", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `termion::event::Key`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | use termion::event::Key;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `termion::input::TermRead`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use termion::input::TermRead;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `List`
[INFO] [stderr]   --> src/main.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tui::widgets::{Block, Borders, List, Row, Table};
[INFO] [stderr]    |                                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |         terminal.draw(|mut f| {
[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: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 | /         terminal.draw(|mut f| {
[INFO] [stderr] 29 | |             let chunks = Layout::default()
[INFO] [stderr] 30 | |                 .direction(Direction::Vertical)
[INFO] [stderr] 31 | |                 .margin(4)
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |             f.render_widget(table, chunks[0])
[INFO] [stderr] 52 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `sorting-hat` (bin "sorting-hat" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sorting_hat-b8e1ff23eb75a1cc)
[INFO] running `Command { std: "docker" "inspect" "e31fb7a60924c1e3b448bc24a5c9e0cfde82f5f6749f54745ae644b70674eb68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31fb7a60924c1e3b448bc24a5c9e0cfde82f5f6749f54745ae644b70674eb68", kill_on_drop: false }`
[INFO] [stdout] e31fb7a60924c1e3b448bc24a5c9e0cfde82f5f6749f54745ae644b70674eb68