[INFO] crate discrimination 0.0.2 is already in cache
[INFO] testing discrimination-0.0.2 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate discrimination 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate discrimination 0.0.2 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate discrimination 0.0.2
[INFO] finished tweaking crates.io crate discrimination 0.0.2
[INFO] tweaked toml for crates.io crate discrimination 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 0aa8cc993755d1d555a1f9aa41e82bc539678ab1aa642f49b8983bd3ffa5b35d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0aa8cc993755d1d555a1f9aa41e82bc539678ab1aa642f49b8983bd3ffa5b35d"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.3.8
[INFO] [stderr]    Compiling discrimination v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discriminator.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Trivial(Option<Box<DoubleEndedIterator<Item = (K, V)> + 'a>>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = (K, V)> + 'a`
[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/discriminator.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 |     Opaque(Box<DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Trivial(Box<DoubleEndedIterator<Item = (K, V)> + 'a>),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = (K, V)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:229:16
[INFO] [stderr]     |
[INFO] [stderr] 229 |     Opaque(Box<DoubleEndedIterator<Item = V> + 'a>),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.14s
[INFO] running `"docker" "inspect" "0aa8cc993755d1d555a1f9aa41e82bc539678ab1aa642f49b8983bd3ffa5b35d"`
[INFO] running `"docker" "rm" "-f" "0aa8cc993755d1d555a1f9aa41e82bc539678ab1aa642f49b8983bd3ffa5b35d"`
[INFO] [stdout] 0aa8cc993755d1d555a1f9aa41e82bc539678ab1aa642f49b8983bd3ffa5b35d
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd4e7ff83b3eabfe61b4f7d5ec19227ae24d02c934c7a4541627d5d2a973f427
[INFO] running `"docker" "start" "-a" "bd4e7ff83b3eabfe61b4f7d5ec19227ae24d02c934c7a4541627d5d2a973f427"`
[INFO] [stderr]    Compiling discrimination v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discriminator.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Trivial(Option<Box<DoubleEndedIterator<Item = (K, V)> + 'a>>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = (K, V)> + 'a`
[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/discriminator.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 |     Opaque(Box<DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Trivial(Box<DoubleEndedIterator<Item = (K, V)> + 'a>),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = (K, V)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:229:16
[INFO] [stderr]     |
[INFO] [stderr] 229 |     Opaque(Box<DoubleEndedIterator<Item = V> + 'a>),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discriminator.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Trivial(Option<Box<DoubleEndedIterator<Item = (K, V)> + 'a>>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = (K, V)> + 'a`
[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/discriminator.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 |     Opaque(Box<DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Trivial(Box<DoubleEndedIterator<Item = (K, V)> + 'a>),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = (K, V)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:229:16
[INFO] [stderr]     |
[INFO] [stderr] 229 |     Opaque(Box<DoubleEndedIterator<Item = V> + 'a>),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "bd4e7ff83b3eabfe61b4f7d5ec19227ae24d02c934c7a4541627d5d2a973f427"`
[INFO] running `"docker" "rm" "-f" "bd4e7ff83b3eabfe61b4f7d5ec19227ae24d02c934c7a4541627d5d2a973f427"`
[INFO] [stdout] bd4e7ff83b3eabfe61b4f7d5ec19227ae24d02c934c7a4541627d5d2a973f427
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8f5a09be6d8921b73887e615997bbca309ad05d70dc6f0961b3c5747b60a599
[INFO] running `"docker" "start" "-a" "c8f5a09be6d8921b73887e615997bbca309ad05d70dc6f0961b3c5747b60a599"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discriminator.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Trivial(Option<Box<DoubleEndedIterator<Item = (K, V)> + 'a>>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = (K, V)> + 'a`
[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/discriminator.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 |     Opaque(Box<DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Trivial(Box<DoubleEndedIterator<Item = (K, V)> + 'a>),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = (K, V)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:229:16
[INFO] [stderr]     |
[INFO] [stderr] 229 |     Opaque(Box<DoubleEndedIterator<Item = V> + 'a>),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/discriminator.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |     Trivial(Option<Box<DoubleEndedIterator<Item = (K, V)> + 'a>>),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = (K, V)> + 'a`
[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/discriminator.rs:101:16
[INFO] [stderr]     |
[INFO] [stderr] 101 |     Opaque(Box<DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a>),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = DiscriminateSortedGroup<'a, K, V>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |     Trivial(Box<DoubleEndedIterator<Item = (K, V)> + 'a>),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = (K, V)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/discriminator.rs:229:16
[INFO] [stderr]     |
[INFO] [stderr] 229 |     Opaque(Box<DoubleEndedIterator<Item = V> + 'a>),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DoubleEndedIterator<Item = V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/discrimination-e813e2eb12c3ee0a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests discrimination
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c8f5a09be6d8921b73887e615997bbca309ad05d70dc6f0961b3c5747b60a599"`
[INFO] running `"docker" "rm" "-f" "c8f5a09be6d8921b73887e615997bbca309ad05d70dc6f0961b3c5747b60a599"`
[INFO] [stdout] c8f5a09be6d8921b73887e615997bbca309ad05d70dc6f0961b3c5747b60a599