[INFO] fetching crate flamme-rouge 0.1.0... [INFO] testing flamme-rouge-0.1.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate flamme-rouge 0.1.0 into /workspace/builds/worker-51/source [INFO] validating manifest of crates.io crate flamme-rouge 0.1.0 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] started tweaking crates.io crate flamme-rouge 0.1.0 [INFO] finished tweaking crates.io crate flamme-rouge 0.1.0 [INFO] tweaked toml for crates.io crate flamme-rouge 0.1.0 written to /workspace/builds/worker-51/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded card_deck v0.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] [stdout] fdf6a2938372bc0ef110c90379ec86ea074fffc48a4c5c1845e90cf3f5fc9cca [INFO] running `Command { std: "docker" "start" "-a" "fdf6a2938372bc0ef110c90379ec86ea074fffc48a4c5c1845e90cf3f5fc9cca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fdf6a2938372bc0ef110c90379ec86ea074fffc48a4c5c1845e90cf3f5fc9cca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdf6a2938372bc0ef110c90379ec86ea074fffc48a4c5c1845e90cf3f5fc9cca", kill_on_drop: false }` [INFO] [stdout] fdf6a2938372bc0ef110c90379ec86ea074fffc48a4c5c1845e90cf3f5fc9cca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 0f3648231e5585e69c14c1e9e2b827ba0717cc58e0eb05a28f04911c2b61abcb [INFO] running `Command { std: "docker" "start" "-a" "0f3648231e5585e69c14c1e9e2b827ba0717cc58e0eb05a28f04911c2b61abcb", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.25.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling termion v1.5.6 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling object v0.26.2 [INFO] [stderr] Compiling addr2line v0.16.0 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling card_deck v0.1.9 [INFO] [stderr] Compiling flamme-rouge v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:16:22 [INFO] [stdout] | [INFO] [stdout] 16 | ss: &mut Vec>, [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Strategy` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:16:22 [INFO] [stdout] | [INFO] [stdout] 16 | ss: &mut Vec>, [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Strategy` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:41:24 [INFO] [stdout] | [INFO] [stdout] 40 | match scores.get(&winner) { [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] 41 | Some(n) => scores.insert(winner, n + 1), [INFO] [stdout] | ^^^^^^ - immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.74s [INFO] running `Command { std: "docker" "inspect" "0f3648231e5585e69c14c1e9e2b827ba0717cc58e0eb05a28f04911c2b61abcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f3648231e5585e69c14c1e9e2b827ba0717cc58e0eb05a28f04911c2b61abcb", kill_on_drop: false }` [INFO] [stdout] 0f3648231e5585e69c14c1e9e2b827ba0717cc58e0eb05a28f04911c2b61abcb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] e35d408d2f84f64c74a580d89b740c16d118ddadf15801d764b64909942833c5 [INFO] running `Command { std: "docker" "start" "-a" "e35d408d2f84f64c74a580d89b740c16d118ddadf15801d764b64909942833c5", kill_on_drop: false }` [INFO] [stderr] Compiling flamme-rouge v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:16:22 [INFO] [stdout] | [INFO] [stdout] 16 | ss: &mut Vec>, [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Strategy` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:16:22 [INFO] [stdout] | [INFO] [stdout] 16 | ss: &mut Vec>, [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Strategy` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/core.rs:16:22 [INFO] [stdout] | [INFO] [stdout] 16 | ss: &mut Vec>, [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn Strategy` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/main.rs:41:24 [INFO] [stdout] | [INFO] [stdout] 40 | match scores.get(&winner) { [INFO] [stdout] | ------ immutable borrow occurs here [INFO] [stdout] 41 | Some(n) => scores.insert(winner, n + 1), [INFO] [stdout] | ^^^^^^ - immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `Command { std: "docker" "inspect" "e35d408d2f84f64c74a580d89b740c16d118ddadf15801d764b64909942833c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e35d408d2f84f64c74a580d89b740c16d118ddadf15801d764b64909942833c5", kill_on_drop: false }` [INFO] [stdout] e35d408d2f84f64c74a580d89b740c16d118ddadf15801d764b64909942833c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] [stdout] 7e579547ab83c95ac79aca920a86015538ffe899182774fbc80941d1f508ce0d [INFO] running `Command { std: "docker" "start" "-a" "7e579547ab83c95ac79aca920a86015538ffe899182774fbc80941d1f508ce0d", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/core.rs:16:22 [INFO] [stderr] | [INFO] [stderr] 16 | ss: &mut Vec>, [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn Strategy` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `flamme-rouge` (lib) generated 1 warning [INFO] [stderr] warning: `flamme-rouge` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/main.rs:41:24 [INFO] [stderr] | [INFO] [stderr] 40 | match scores.get(&winner) { [INFO] [stderr] | ------ immutable borrow occurs here [INFO] [stderr] 41 | Some(n) => scores.insert(winner, n + 1), [INFO] [stderr] | ^^^^^^ - immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: `flamme-rouge` (bin "flamme_runner" test) generated 2 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flamme_lib-9485f843ce504f95) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flamme_runner-1f0127fd50eac354) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests flamme_lib [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7e579547ab83c95ac79aca920a86015538ffe899182774fbc80941d1f508ce0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e579547ab83c95ac79aca920a86015538ffe899182774fbc80941d1f508ce0d", kill_on_drop: false }` [INFO] [stdout] 7e579547ab83c95ac79aca920a86015538ffe899182774fbc80941d1f508ce0d