[INFO] fetching crate collect_slice 1.2.0...
[INFO] testing collect_slice-1.2.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate collect_slice 1.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate collect_slice 1.2.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44fc45ff7a50961f68ed136b43320848790c5eb123ab1bd418c16a70ae4e88bf
[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" "44fc45ff7a50961f68ed136b43320848790c5eb123ab1bd418c16a70ae4e88bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44fc45ff7a50961f68ed136b43320848790c5eb123ab1bd418c16a70ae4e88bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44fc45ff7a50961f68ed136b43320848790c5eb123ab1bd418c16a70ae4e88bf", kill_on_drop: false }`
[INFO] [stdout] 44fc45ff7a50961f68ed136b43320848790c5eb123ab1bd418c16a70ae4e88bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 950174781ff91be5137ab3ae4a44809ad6c075acc796aeedf7aabb93ea509787
[INFO] running `Command { std: "docker" "start" "-a" "950174781ff91be5137ab3ae4a44809ad6c075acc796aeedf7aabb93ea509787", kill_on_drop: false }`
[INFO] [stderr]    Compiling collect_slice v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "950174781ff91be5137ab3ae4a44809ad6c075acc796aeedf7aabb93ea509787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950174781ff91be5137ab3ae4a44809ad6c075acc796aeedf7aabb93ea509787", kill_on_drop: false }`
[INFO] [stdout] 950174781ff91be5137ab3ae4a44809ad6c075acc796aeedf7aabb93ea509787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c93b01bfeec5cf8f98728eae79f26a7916eeec0739be0bc39f9a6790be414106
[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" "c93b01bfeec5cf8f98728eae79f26a7916eeec0739be0bc39f9a6790be414106", 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<Item=_> = &mut (0..5).map(|i| {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=_>`
[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/lib.rs:317:22
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let count = <Iterator<Item=_> as CollectSlice>::collect_slice(it, &mut buf[..]);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "c93b01bfeec5cf8f98728eae79f26a7916eeec0739be0bc39f9a6790be414106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c93b01bfeec5cf8f98728eae79f26a7916eeec0739be0bc39f9a6790be414106", kill_on_drop: false }`
[INFO] [stdout] c93b01bfeec5cf8f98728eae79f26a7916eeec0739be0bc39f9a6790be414106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2aa48308b263262bfd6a98eaae6bcf7fcc0c6712c8af62b80a3b739800cef2d4
[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" "2aa48308b263262bfd6a98eaae6bcf7fcc0c6712c8af62b80a3b739800cef2d4", 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<Item=_> = &mut (0..5).map(|i| {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=_>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[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 = <Iterator<Item=_> as CollectSlice>::collect_slice(it, &mut buf[..]);
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=_>`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/collect_slice-a558ca479443ff0d
[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_unsized ... ok
[INFO] [stdout] test test::test_under ... ok
[INFO] [stdout] test test::test_over ... ok
[INFO] [stdout] test test::test_exhaust ... ok
[INFO] [stdout] test test::test_filled ... ok
[INFO] [stdout] test test::test_checked_over ... ok
[INFO] [stdout] test test::test_filled_under ... ok
[INFO] [stderr]    Doc-tests collect_slice
[INFO] [stdout] test test::test_exhaust_over ... ok
[INFO] [stdout] test test::test_checked_under ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_checked (line 144) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_checked (line 159) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... 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_checked (line 152) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2aa48308b263262bfd6a98eaae6bcf7fcc0c6712c8af62b80a3b739800cef2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa48308b263262bfd6a98eaae6bcf7fcc0c6712c8af62b80a3b739800cef2d4", kill_on_drop: false }`
[INFO] [stdout] 2aa48308b263262bfd6a98eaae6bcf7fcc0c6712c8af62b80a3b739800cef2d4