[INFO] fetching crate collect_slice 1.2.0...
[INFO] testing collect_slice-1.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate collect_slice 1.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate collect_slice 1.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c95280601ed5356cdc2970d5ead7413ccf4bf3308debb7517409acd0f9bb9e7e
[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" "c95280601ed5356cdc2970d5ead7413ccf4bf3308debb7517409acd0f9bb9e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c95280601ed5356cdc2970d5ead7413ccf4bf3308debb7517409acd0f9bb9e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95280601ed5356cdc2970d5ead7413ccf4bf3308debb7517409acd0f9bb9e7e", kill_on_drop: false }`
[INFO] [stdout] c95280601ed5356cdc2970d5ead7413ccf4bf3308debb7517409acd0f9bb9e7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2090cfd47b326c646ca58d10d17bdda61cf121ca069029b3ced8915d47f871ba
[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" "2090cfd47b326c646ca58d10d17bdda61cf121ca069029b3ced8915d47f871ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling collect_slice v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "2090cfd47b326c646ca58d10d17bdda61cf121ca069029b3ced8915d47f871ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2090cfd47b326c646ca58d10d17bdda61cf121ca069029b3ced8915d47f871ba", kill_on_drop: false }`
[INFO] [stdout] 2090cfd47b326c646ca58d10d17bdda61cf121ca069029b3ced8915d47f871ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] b364ee4f03aa9ac6a3d57a4cafd894f447af469cfebb9eaeeec036ef3a15888a
[INFO] running `Command { std: "docker" "start" "-a" "b364ee4f03aa9ac6a3d57a4cafd894f447af469cfebb9eaeeec036ef3a15888a", 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 0.76s
[INFO] running `Command { std: "docker" "inspect" "b364ee4f03aa9ac6a3d57a4cafd894f447af469cfebb9eaeeec036ef3a15888a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b364ee4f03aa9ac6a3d57a4cafd894f447af469cfebb9eaeeec036ef3a15888a", kill_on_drop: false }`
[INFO] [stdout] b364ee4f03aa9ac6a3d57a4cafd894f447af469cfebb9eaeeec036ef3a15888a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 713a47aa2e3c37fce613259e81a2ad62fb9f0b80fc4e1264a1452d01f3cf2c89
[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" "713a47aa2e3c37fce613259e81a2ad62fb9f0b80fc4e1264a1452d01f3cf2c89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-ebe51f4777f89ffe
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[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_basic ... ok
[INFO] [stdout] test test::test_unsized ... ok
[INFO] [stdout] test test::test_under ... ok
[INFO] [stdout] test test::test_checked_over ... ok
[INFO] [stdout] test test::test_checked_under ... ok
[INFO] [stdout] test test::test_exhaust_over ... ok
[INFO] [stdout] test test::test_filled_under ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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 159) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice (line 57) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_checked (line 152) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_checked (line 144) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_exhaust (line 115) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - CollectSlice::collect_slice_fill (line 92) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "713a47aa2e3c37fce613259e81a2ad62fb9f0b80fc4e1264a1452d01f3cf2c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713a47aa2e3c37fce613259e81a2ad62fb9f0b80fc4e1264a1452d01f3cf2c89", kill_on_drop: false }`
[INFO] [stdout] 713a47aa2e3c37fce613259e81a2ad62fb9f0b80fc4e1264a1452d01f3cf2c89