[INFO] cloning repository https://github.com/dali99/mercury [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dali99/mercury" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdali99%2Fmercury", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdali99%2Fmercury'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e9e4ca74bef86a9c62942bec350d5381a97611d8 [INFO] testing dali99/mercury against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdali99%2Fmercury" "/workspace/builds/worker-44/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dali99/mercury on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dali99/mercury [INFO] finished tweaking git repo https://github.com/dali99/mercury [INFO] tweaked toml for git repo https://github.com/dali99/mercury written to /workspace/builds/worker-44/source/Cargo.toml [INFO] crate git repo https://github.com/dali99/mercury already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ee794fb872af17cd7b0594c79687c823bbb210eee3c3d3baf7af171fae9c515 [INFO] running `Command { std: "docker" "start" "-a" "2ee794fb872af17cd7b0594c79687c823bbb210eee3c3d3baf7af171fae9c515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ee794fb872af17cd7b0594c79687c823bbb210eee3c3d3baf7af171fae9c515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ee794fb872af17cd7b0594c79687c823bbb210eee3c3d3baf7af171fae9c515", kill_on_drop: false }` [INFO] [stdout] 2ee794fb872af17cd7b0594c79687c823bbb210eee3c3d3baf7af171fae9c515 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 996772ddb2a8cf484cf25067a273203bba958e1a6f0f2ab647d0dfae002e2933 [INFO] running `Command { std: "docker" "start" "-a" "996772ddb2a8cf484cf25067a273203bba958e1a6f0f2ab647d0dfae002e2933", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Compiling futures-sink v0.3.15 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling event-listener v2.5.1 [INFO] [stderr] Compiling cached_proc_macro_types v0.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling thousands v0.2.0 [INFO] [stderr] Compiling tinyvec v1.1.0 [INFO] [stderr] Compiling ahash v0.7.2 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling coz v0.1.3 [INFO] [stderr] Compiling rand_core v0.6.0 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.1 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling cached_proc_macro v0.6.0 [INFO] [stderr] Compiling modular-bitfield v0.11.2 [INFO] [stderr] Compiling futures-executor v0.3.15 [INFO] [stderr] Compiling futures v0.3.15 [INFO] [stderr] Compiling cached v0.23.0 [INFO] [stderr] Compiling mercury v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/azul.rs:495:61 [INFO] [stdout] | [INFO] [stdout] 495 | Tile::Blue => {self.box_top.blue += (row as u8 + 1)} [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 495 - Tile::Blue => {self.box_top.blue += (row as u8 + 1)} [INFO] [stdout] 495 + Tile::Blue => {self.box_top.blue += row as u8 + 1} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/azul.rs:496:65 [INFO] [stdout] | [INFO] [stdout] 496 | Tile::Yellow => {self.box_top.yellow += (row as u8 + 1)} [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 496 - Tile::Yellow => {self.box_top.yellow += (row as u8 + 1)} [INFO] [stdout] 496 + Tile::Yellow => {self.box_top.yellow += row as u8 + 1} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/azul.rs:497:59 [INFO] [stdout] | [INFO] [stdout] 497 | Tile::Red => {self.box_top.red += (row as u8 + 1)} [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 497 - Tile::Red => {self.box_top.red += (row as u8 + 1)} [INFO] [stdout] 497 + Tile::Red => {self.box_top.red += row as u8 + 1} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/azul.rs:498:63 [INFO] [stdout] | [INFO] [stdout] 498 | Tile::Black => {self.box_top.black += (row as u8 + 1)} [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 498 - Tile::Black => {self.box_top.black += (row as u8 + 1)} [INFO] [stdout] 498 + Tile::Black => {self.box_top.black += row as u8 + 1} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/azul.rs:499:61 [INFO] [stdout] | [INFO] [stdout] 499 | Tile::Teal => {self.box_top.teal += (row as u8 + 1)} [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 499 - Tile::Teal => {self.box_top.teal += (row as u8 + 1)} [INFO] [stdout] 499 + Tile::Teal => {self.box_top.teal += row as u8 + 1} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/azul2.rs:485:26 [INFO] [stdout] | [INFO] [stdout] 485 | use std::time::{Instant, Duration}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> src/azul2.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(bench_black_box)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> src/azul2.rs:498:9 [INFO] [stdout] | [INFO] [stdout] 498 | std::hint::black_box(game2_2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mercury` due to 2 previous errors; 7 warnings emitted [INFO] running `Command { std: "docker" "inspect" "996772ddb2a8cf484cf25067a273203bba958e1a6f0f2ab647d0dfae002e2933", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "996772ddb2a8cf484cf25067a273203bba958e1a6f0f2ab647d0dfae002e2933", kill_on_drop: false }` [INFO] [stdout] 996772ddb2a8cf484cf25067a273203bba958e1a6f0f2ab647d0dfae002e2933