[INFO] fetching crate flamme-rouge 0.1.0... [INFO] testing flamme-rouge-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate flamme-rouge 0.1.0 into /workspace/builds/worker-29/source [INFO] validating manifest of crates.io crate flamme-rouge 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-29/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_termios v0.1.2 [INFO] [stderr] Downloaded termion v1.5.6 [INFO] [stderr] Downloaded card_deck v0.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc288f79c24495c52f7e0b6a43d484e1381b06a136be1fda4fc2ba0f8729c475 [INFO] running `Command { std: "docker" "start" "-a" "dc288f79c24495c52f7e0b6a43d484e1381b06a136be1fda4fc2ba0f8729c475", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc288f79c24495c52f7e0b6a43d484e1381b06a136be1fda4fc2ba0f8729c475", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc288f79c24495c52f7e0b6a43d484e1381b06a136be1fda4fc2ba0f8729c475", kill_on_drop: false }` [INFO] [stdout] dc288f79c24495c52f7e0b6a43d484e1381b06a136be1fda4fc2ba0f8729c475 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 61a4abbb22ce1bbee526cb5feb4cb72bc13f8f0d89fc8a1b986c3781b044a2a9 [INFO] running `Command { std: "docker" "start" "-a" "61a4abbb22ce1bbee526cb5feb4cb72bc13f8f0d89fc8a1b986c3781b044a2a9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling object v0.27.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling termion v1.5.6 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling backtrace v0.3.63 [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] | ^^^^^^^^^^^^^^^^^^^^^^-^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [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 11.58s [INFO] running `Command { std: "docker" "inspect" "61a4abbb22ce1bbee526cb5feb4cb72bc13f8f0d89fc8a1b986c3781b044a2a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61a4abbb22ce1bbee526cb5feb4cb72bc13f8f0d89fc8a1b986c3781b044a2a9", kill_on_drop: false }` [INFO] [stdout] 61a4abbb22ce1bbee526cb5feb4cb72bc13f8f0d89fc8a1b986c3781b044a2a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3875098259b15622d9c7f465cc479852bc107e10dd95c56f6a584ab8882da5e7 [INFO] running `Command { std: "docker" "start" "-a" "3875098259b15622d9c7f465cc479852bc107e10dd95c56f6a584ab8882da5e7", 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] | ^^^^^^^^^^^^^^^^^^^^^^-^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | immutable borrow later used here [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.78s [INFO] running `Command { std: "docker" "inspect" "3875098259b15622d9c7f465cc479852bc107e10dd95c56f6a584ab8882da5e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3875098259b15622d9c7f465cc479852bc107e10dd95c56f6a584ab8882da5e7", kill_on_drop: false }` [INFO] [stdout] 3875098259b15622d9c7f465cc479852bc107e10dd95c56f6a584ab8882da5e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1c37146655cbd5f9ecff62360520d473d35cf056c85aa54486d2ae7d0157bd42 [INFO] running `Command { std: "docker" "start" "-a" "1c37146655cbd5f9ecff62360520d473d35cf056c85aa54486d2ae7d0157bd42", 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] | ^^^^^^^^^^^^^^^^^^^^^^-^^^^^ [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow later used here [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 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flamme_lib-deec1e054cd226d8) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flamme_runner-a43da156f114c7b4) [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] [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] running `Command { std: "docker" "inspect" "1c37146655cbd5f9ecff62360520d473d35cf056c85aa54486d2ae7d0157bd42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c37146655cbd5f9ecff62360520d473d35cf056c85aa54486d2ae7d0157bd42", kill_on_drop: false }` [INFO] [stdout] 1c37146655cbd5f9ecff62360520d473d35cf056c85aa54486d2ae7d0157bd42