[INFO] fetching crate collect_slice 1.2.0... [INFO] testing collect_slice-1.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate collect_slice 1.2.0 into /workspace/builds/worker-111/source [INFO] validating manifest of crates.io crate collect_slice 1.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate collect_slice 1.2.0 [INFO] finished tweaking crates.io crate collect_slice 1.2.0 [INFO] tweaked toml for crates.io crate collect_slice 1.2.0 written to /workspace/builds/worker-111/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39ba51e8359b3fb562eecb854712514e67e629315b6a28f647f9b78a653a3a7c [INFO] running `Command { std: "docker" "start" "-a" "39ba51e8359b3fb562eecb854712514e67e629315b6a28f647f9b78a653a3a7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39ba51e8359b3fb562eecb854712514e67e629315b6a28f647f9b78a653a3a7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39ba51e8359b3fb562eecb854712514e67e629315b6a28f647f9b78a653a3a7c", kill_on_drop: false }` [INFO] [stdout] 39ba51e8359b3fb562eecb854712514e67e629315b6a28f647f9b78a653a3a7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f87c8a13a293ae45350166495763e0625f4a54955265541afe38a41cd71091ce [INFO] running `Command { std: "docker" "start" "-a" "f87c8a13a293ae45350166495763e0625f4a54955265541afe38a41cd71091ce", kill_on_drop: false }` [INFO] [stderr] Compiling collect_slice v1.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "f87c8a13a293ae45350166495763e0625f4a54955265541afe38a41cd71091ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f87c8a13a293ae45350166495763e0625f4a54955265541afe38a41cd71091ce", kill_on_drop: false }` [INFO] [stdout] f87c8a13a293ae45350166495763e0625f4a54955265541afe38a41cd71091ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 857833921db6412696db66ce42d0ef4f94f3bad9f1b333448907c8bdc13882dd [INFO] running `Command { std: "docker" "start" "-a" "857833921db6412696db66ce42d0ef4f94f3bad9f1b333448907c8bdc13882dd", kill_on_drop: false }` [INFO] [stderr] Compiling collect_slice v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:314:22 [INFO] [stdout] | [INFO] [stdout] 314 | let it: &mut Iterator = &mut (0..5).map(|i| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) 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/lib.rs:317:22 [INFO] [stdout] | [INFO] [stdout] 317 | let count = as CollectSlice>::collect_slice(it, &mut buf[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "857833921db6412696db66ce42d0ef4f94f3bad9f1b333448907c8bdc13882dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "857833921db6412696db66ce42d0ef4f94f3bad9f1b333448907c8bdc13882dd", kill_on_drop: false }` [INFO] [stdout] 857833921db6412696db66ce42d0ef4f94f3bad9f1b333448907c8bdc13882dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2dcb6ea1e0e67b85043b06230f84f3abffd8b13e6398e25fa362b7c0b41e5dbf [INFO] running `Command { std: "docker" "start" "-a" "2dcb6ea1e0e67b85043b06230f84f3abffd8b13e6398e25fa362b7c0b41e5dbf", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:314:22 [INFO] [stderr] | [INFO] [stderr] 314 | let it: &mut Iterator = &mut (0..5).map(|i| { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:317:22 [INFO] [stderr] | [INFO] [stderr] 317 | let count = as CollectSlice>::collect_slice(it, &mut buf[..]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `collect_slice` (lib test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/collect_slice-194fee00e7a7ffa6) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test test::test_basic ... ok [INFO] [stdout] test test::test_checked ... ok [INFO] [stdout] test test::test_exhaust ... ok [INFO] [stdout] test test::test_filled ... ok [INFO] [stdout] test test::test_over ... ok [INFO] [stdout] test test::test_under ... ok [INFO] [stdout] test test::test_unsized ... ok [INFO] [stdout] test test::test_checked_over - should panic ... ok [INFO] [stdout] test test::test_checked_under - should panic ... ok [INFO] [stdout] test test::test_exhaust_over - should panic ... ok [INFO] [stdout] test test::test_filled_under - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] Doc-tests collect_slice [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/lib.rs - (line 44) ... ok [INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_checked (line 144) ... ok [INFO] [stdout] test src/lib.rs - (line 14) ... ok [INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_checked (line 159) ... ok [INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_checked (line 152) ... ok [INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_exhaust (line 115) ... ok [INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_fill (line 92) ... ok [INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice (line 57) ... ok [INFO] [stdout] test src/lib.rs - (line 38) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2dcb6ea1e0e67b85043b06230f84f3abffd8b13e6398e25fa362b7c0b41e5dbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dcb6ea1e0e67b85043b06230f84f3abffd8b13e6398e25fa362b7c0b41e5dbf", kill_on_drop: false }` [INFO] [stdout] 2dcb6ea1e0e67b85043b06230f84f3abffd8b13e6398e25fa362b7c0b41e5dbf