[INFO] cloning repository https://github.com/HenryTheCat/RUSThello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HenryTheCat/RUSThello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenryTheCat%2FRUSThello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenryTheCat%2FRUSThello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbc17037ed959f9278e86126936e9f63c06da77c
[INFO] checking HenryTheCat/RUSThello against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenryTheCat%2FRUSThello" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HenryTheCat/RUSThello on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HenryTheCat/RUSThello
[INFO] finished tweaking git repo https://github.com/HenryTheCat/RUSThello
[INFO] tweaked toml for git repo https://github.com/HenryTheCat/RUSThello written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/HenryTheCat/RUSThello already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr]     Updating git repository `https://github.com/EGhiorzi/reversi/`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.1
[INFO] [stderr]   Downloaded semver v0.6.0
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded serde_derive v1.0.8
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded scopeguard v0.3.2
[INFO] [stderr]   Downloaded clippy v0.0.140
[INFO] [stderr]   Downloaded rayon v0.8.1
[INFO] [stderr]   Downloaded serde v1.0.8
[INFO] [stderr]   Downloaded clippy_lints v0.0.140
[INFO] [stderr]   Downloaded termion v1.4.0
[INFO] [stderr]   Downloaded rayon-core v1.2.1
[INFO] [stderr]   Downloaded toml v0.4.2
[INFO] [stderr]   Downloaded cargo_metadata v0.2.1
[INFO] [stderr]   Downloaded num-traits v0.1.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffb16a86746e9c5ee4c90b13c2a7fc0b5626e110484ad1cab42afa96821ba512
[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" "ffb16a86746e9c5ee4c90b13c2a7fc0b5626e110484ad1cab42afa96821ba512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffb16a86746e9c5ee4c90b13c2a7fc0b5626e110484ad1cab42afa96821ba512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb16a86746e9c5ee4c90b13c2a7fc0b5626e110484ad1cab42afa96821ba512", kill_on_drop: false }`
[INFO] [stdout] ffb16a86746e9c5ee4c90b13c2a7fc0b5626e110484ad1cab42afa96821ba512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf3127903624b264dbc0585a7f49f7209d4f41bae8f2f134114cd08e4690ce9a
[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" "cf3127903624b264dbc0585a7f49f7209d4f41bae8f2f134114cd08e4690ce9a", kill_on_drop: false }`
[INFO] [stderr] warning: `panic` setting is ignored for `bench` profile
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking termion v1.4.0
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking reversi v0.5.0 (https://github.com/EGhiorzi/reversi/#44ca82c6)
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking rayon v0.8.1
[INFO] [stderr]     Checking rusthello v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ai_player.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Ok(game::PlayerAction::Move(try!(match *self {
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ai_player.rs:116:29
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut score = try!(AiPlayer::ai_eval_with_leftover(turn, comps)).0;
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ai_player.rs:194:80
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   Some(_) if leftover < turns_left => Score::Running(try!(AiPlayer::heavy_eval(&turn_after_move))),
[INFO] [stdout]     |                                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ai_player.rs:197:58
[INFO] [stdout]     |
[INFO] [stdout] 197 | ...                   let new_score_leftover = try!(AiPlayer::ai_eval_with_leftover(&turn_after_move, new_comps));
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/interface.rs:204:28
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         '1'...'8' => row = Some(curr_char as usize - '1' as usize),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/interface.rs:205:28
[INFO] [stdout]     |
[INFO] [stdout] 205 |                         'a'...'h' => col = Some(curr_char as usize - 'a' as usize),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ai_player.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Ok(game::PlayerAction::Move(try!(match *self {
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ai_player.rs:116:29
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let mut score = try!(AiPlayer::ai_eval_with_leftover(turn, comps)).0;
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ai_player.rs:194:80
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   Some(_) if leftover < turns_left => Score::Running(try!(AiPlayer::heavy_eval(&turn_after_move))),
[INFO] [stdout]     |                                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/ai_player.rs:197:58
[INFO] [stdout]     |
[INFO] [stdout] 197 | ...                   let new_score_leftover = try!(AiPlayer::ai_eval_with_leftover(&turn_after_move, new_comps));
[INFO] [stdout]     |                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/interface.rs:204:28
[INFO] [stdout]     |
[INFO] [stdout] 204 |                         '1'...'8' => row = Some(curr_char as usize - '1' as usize),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/interface.rs:205:28
[INFO] [stdout]     |
[INFO] [stdout] 205 |                         'a'...'h' => col = Some(curr_char as usize - 'a' as usize),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:59:56
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Box::new(human_player::HumanPlayer) as Box<IsPlayer<OtherAction>>
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:61:75
[INFO] [stdout]    |
[INFO] [stdout] 61 |         UserCommand::AiWeak => Box::new(ai_player::AiPlayer::Weak) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:62:79
[INFO] [stdout]    |
[INFO] [stdout] 62 |         UserCommand::AiMedium => Box::new(ai_player::AiPlayer::Medium) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:63:79
[INFO] [stdout]    |
[INFO] [stdout] 63 |         UserCommand::AiStrong => Box::new(ai_player::AiPlayer::Strong) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:71:56
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Box::new(human_player::HumanPlayer) as Box<IsPlayer<OtherAction>>
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:75
[INFO] [stdout]    |
[INFO] [stdout] 73 |         UserCommand::AiWeak => Box::new(ai_player::AiPlayer::Weak) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:74:79
[INFO] [stdout]    |
[INFO] [stdout] 74 |         UserCommand::AiMedium => Box::new(ai_player::AiPlayer::Medium) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:75:79
[INFO] [stdout]    |
[INFO] [stdout] 75 |         UserCommand::AiStrong => Box::new(ai_player::AiPlayer::Strong) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> tests/test_ai/mod.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |         Ok(game::PlayerAction::Move(try!(ExpAiPlayer::find_best_move(turn, STRENGHT))))
[INFO] [stdout]    |                                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> tests/test_ai/mod.rs:113:29
[INFO] [stdout]     |
[INFO] [stdout] 113 |             let mut score = try!(ExpAiPlayer::ai_eval_with_leftover(turn, comps)).0;
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> tests/test_ai/mod.rs:170:80
[INFO] [stdout]     |
[INFO] [stdout] 170 | ...                   Some(_) if leftover < turns_left => Score::Running(try!(ExpAiPlayer::heavy_eval(&turn_after_move))),
[INFO] [stdout]     |                                                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:59:56
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Box::new(human_player::HumanPlayer) as Box<IsPlayer<OtherAction>>
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:61:75
[INFO] [stdout]    |
[INFO] [stdout] 61 |         UserCommand::AiWeak => Box::new(ai_player::AiPlayer::Weak) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:62:79
[INFO] [stdout]    |
[INFO] [stdout] 62 |         UserCommand::AiMedium => Box::new(ai_player::AiPlayer::Medium) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:63:79
[INFO] [stdout]    |
[INFO] [stdout] 63 |         UserCommand::AiStrong => Box::new(ai_player::AiPlayer::Strong) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:71:56
[INFO] [stdout]    |
[INFO] [stdout] 71 |             Box::new(human_player::HumanPlayer) as Box<IsPlayer<OtherAction>>
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:75
[INFO] [stdout]    |
[INFO] [stdout] 73 |         UserCommand::AiWeak => Box::new(ai_player::AiPlayer::Weak) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:74:79
[INFO] [stdout]    |
[INFO] [stdout] 74 |         UserCommand::AiMedium => Box::new(ai_player::AiPlayer::Medium) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:75:79
[INFO] [stdout]    |
[INFO] [stdout] 75 |         UserCommand::AiStrong => Box::new(ai_player::AiPlayer::Strong) as Box<IsPlayer<OtherAction>>,
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IsPlayer<OtherAction>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/benches.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusthello`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cf3127903624b264dbc0585a7f49f7209d4f41bae8f2f134114cd08e4690ce9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3127903624b264dbc0585a7f49f7209d4f41bae8f2f134114cd08e4690ce9a", kill_on_drop: false }`
[INFO] [stdout] cf3127903624b264dbc0585a7f49f7209d4f41bae8f2f134114cd08e4690ce9a
