[INFO] fetching crate topset 0.4.0...
[INFO] testing topset-0.4.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate topset 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate topset 0.4.0
[INFO] finished tweaking crates.io crate topset 0.4.0
[INFO] tweaked toml for crates.io crate topset 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate topset 0.4.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate topset 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d187e0cb659e437f7e49b1cb50edb1a84598ec406117b6e909add47d25f2dbe3
[INFO] running `Command { std: "docker" "start" "-a" "d187e0cb659e437f7e49b1cb50edb1a84598ec406117b6e909add47d25f2dbe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d187e0cb659e437f7e49b1cb50edb1a84598ec406117b6e909add47d25f2dbe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d187e0cb659e437f7e49b1cb50edb1a84598ec406117b6e909add47d25f2dbe3", kill_on_drop: false }`
[INFO] [stdout] d187e0cb659e437f7e49b1cb50edb1a84598ec406117b6e909add47d25f2dbe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47a3624f05161153a88f20254cf8ade31f1f93851dfc3b0c08e4d11b7b9acb86
[INFO] running `Command { std: "docker" "start" "-a" "47a3624f05161153a88f20254cf8ade31f1f93851dfc3b0c08e4d11b7b9acb86", kill_on_drop: false }`
[INFO] [stderr]    Compiling topset v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/heap.rs:284:18
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn drain(&mut self) -> std::vec::Drain<X> {
[INFO] [stdout]     |                  ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn drain(&mut self) -> std::vec::Drain<'_, X> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "47a3624f05161153a88f20254cf8ade31f1f93851dfc3b0c08e4d11b7b9acb86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a3624f05161153a88f20254cf8ade31f1f93851dfc3b0c08e4d11b7b9acb86", kill_on_drop: false }`
[INFO] [stdout] 47a3624f05161153a88f20254cf8ade31f1f93851dfc3b0c08e4d11b7b9acb86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4daf0cb0340b290dd1eba65eba63d0111d62f590f42c10e7ce9702a2b6c2cf8b
[INFO] running `Command { std: "docker" "start" "-a" "4daf0cb0340b290dd1eba65eba63d0111d62f590f42c10e7ce9702a2b6c2cf8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling topset v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/heap.rs:284:18
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn drain(&mut self) -> std::vec::Drain<X> {
[INFO] [stdout]     |                  ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn drain(&mut self) -> std::vec::Drain<'_, X> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/heap.rs:284:18
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn drain(&mut self) -> std::vec::Drain<X> {
[INFO] [stdout]     |                  ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 284 |     pub fn drain(&mut self) -> std::vec::Drain<'_, X> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "4daf0cb0340b290dd1eba65eba63d0111d62f590f42c10e7ce9702a2b6c2cf8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4daf0cb0340b290dd1eba65eba63d0111d62f590f42c10e7ce9702a2b6c2cf8b", kill_on_drop: false }`
[INFO] [stdout] 4daf0cb0340b290dd1eba65eba63d0111d62f590f42c10e7ce9702a2b6c2cf8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed8eedfbd9ddbc8373ad74714e6e5462cd65944da8960ef76885a7d5e3900674
[INFO] running `Command { std: "docker" "start" "-a" "ed8eedfbd9ddbc8373ad74714e6e5462cd65944da8960ef76885a7d5e3900674", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/heap.rs:284:18
[INFO] [stderr]     |
[INFO] [stderr] 284 |     pub fn drain(&mut self) -> std::vec::Drain<X> {
[INFO] [stderr]     |                  ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 284 |     pub fn drain(&mut self) -> std::vec::Drain<'_, X> {
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `topset` (lib) generated 1 warning (run `cargo fix --lib -p topset` to apply 1 suggestion)
[INFO] [stderr] warning: `topset` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/topset-df4d66635c4a09d8)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test dummy_tests_just_for_coverage ... ok
[INFO] [stdout] test heap::tests::greatest_score ... ok
[INFO] [stdout] test heap::tests::lowest_cost ... ok
[INFO] [stdout] test iter::tests::greatest_score ... ok
[INFO] [stdout] test iter::tests::iterator ... ok
[INFO] [stdout] test iter::tests::lowest_cost ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests topset
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::drain (line 277) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::resize (line 295) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::peek (line 112) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::clear (line 363) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::len (line 78) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::into_iter_sorted (line 230) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::beat (line 379) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::is_empty (line 62) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::insert (line 197) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::new (line 27) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::capacity (line 94) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::iter (line 159) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::into_vec (line 177) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::into_sorted_vec (line 250) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::is_candidate (line 135) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::with_init (line 46) ... ok
[INFO] [stdout] test src/heap.rs - heap::TopSet<X,C>::pop (line 340) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed8eedfbd9ddbc8373ad74714e6e5462cd65944da8960ef76885a7d5e3900674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed8eedfbd9ddbc8373ad74714e6e5462cd65944da8960ef76885a7d5e3900674", kill_on_drop: false }`
[INFO] [stdout] ed8eedfbd9ddbc8373ad74714e6e5462cd65944da8960ef76885a7d5e3900674
