[INFO] fetching crate indexing 0.4.1...
[INFO] testing indexing-0.4.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate indexing 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate indexing 0.4.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate indexing 0.4.1
[INFO] finished tweaking crates.io crate indexing 0.4.1
[INFO] tweaked toml for crates.io crate indexing 0.4.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73addbf6562949cd98af9b70bc7baeea6452cb45344d61976808280e4597cdbd
[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" "73addbf6562949cd98af9b70bc7baeea6452cb45344d61976808280e4597cdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73addbf6562949cd98af9b70bc7baeea6452cb45344d61976808280e4597cdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73addbf6562949cd98af9b70bc7baeea6452cb45344d61976808280e4597cdbd", kill_on_drop: false }`
[INFO] [stdout] 73addbf6562949cd98af9b70bc7baeea6452cb45344d61976808280e4597cdbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 6dc2dc46e2532a864efcc61d78ff6c28d5db49f92c754d3975964616146296a3
[INFO] running `Command { std: "docker" "start" "-a" "6dc2dc46e2532a864efcc61d78ff6c28d5db49f92c754d3975964616146296a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexing v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/lib.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     id: Id<'id>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "6dc2dc46e2532a864efcc61d78ff6c28d5db49f92c754d3975964616146296a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc2dc46e2532a864efcc61d78ff6c28d5db49f92c754d3975964616146296a3", kill_on_drop: false }`
[INFO] [stdout] 6dc2dc46e2532a864efcc61d78ff6c28d5db49f92c754d3975964616146296a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfcfd2628439c509943d58bdbea1360f96fe9a36a48e5ecaf9e4cecae7cb21dd
[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" "dfcfd2628439c509943d58bdbea1360f96fe9a36a48e5ecaf9e4cecae7cb21dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/lib.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     id: Id<'id>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling indexing v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sorted`
[INFO] [stdout]   --> tests/tests.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn sorted<T: Clone + Ord>(v: &[T]) -> Vec<T> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `R`
[INFO] [stdout]    --> tests/tests.rs:241:1
[INFO] [stdout]     |
[INFO] [stdout] 241 | type R = Result<usize, usize>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_binary_search_ok`
[INFO] [stdout]    --> tests/tests.rs:242:4
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn assert_binary_search_ok<T>(data: &[T], expected: R, result: R)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nonempty_proof`
[INFO] [stdout]    --> src/proof.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub(crate) fn nonempty_proof(&self) -> bool where P: ProofType
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/lib.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     id: Id<'id>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.31s
[INFO] running `Command { std: "docker" "inspect" "dfcfd2628439c509943d58bdbea1360f96fe9a36a48e5ecaf9e4cecae7cb21dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcfd2628439c509943d58bdbea1360f96fe9a36a48e5ecaf9e4cecae7cb21dd", kill_on_drop: false }`
[INFO] [stdout] dfcfd2628439c509943d58bdbea1360f96fe9a36a48e5ecaf9e4cecae7cb21dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29b7b2d14ee0fced52c9dcc28c5c9e6954355ba3cd2b976fd14891406f6fed23
[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" "29b7b2d14ee0fced52c9dcc28c5c9e6954355ba3cd2b976fd14891406f6fed23", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stdout] running 16 tests
[INFO] [stderr]    --> src/lib.rs:162:5
[INFO] [stdout] test algorithms::test_binary_search ... ok
[INFO] [stderr]     |
[INFO] [stdout] test algorithms::test_heapify ... ok
[INFO] [stderr] 162 |     id: Id<'id>,
[INFO] [stdout] test algorithms::test_lower_bound ... ok
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stdout] test algorithms::test_make_twin ... ok
[INFO] [stderr]     |
[INFO] [stdout] test algorithms::test_merge_internal ... ok
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test algorithms::test_quicksort ... ok
[INFO] [stderr] 
[INFO] [stdout] test algorithms::test_twin_insertion_sort ... ok
[INFO] [stderr] warning: `indexing` (lib) generated 1 warning
[INFO] [stdout] test container::intervals ... ok
[INFO] [stderr] warning: associated function is never used: `nonempty_proof`
[INFO] [stdout] test container::test_contains ... ok
[INFO] [stderr]    --> src/proof.rs:120:19
[INFO] [stdout] test container::test_intervals ... ok
[INFO] [stderr]     |
[INFO] [stdout] test container::test_nonempty ... ok
[INFO] [stderr] 120 |     pub(crate) fn nonempty_proof(&self) -> bool where P: ProofType
[INFO] [stdout] test container::test_scan ... ok
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] test indexing::test_frac_step ... ok
[INFO] [stderr]     |
[INFO] [stdout] test indexing::test_join_cover ... ok
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]    --> src/lib.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     id: Id<'id>,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sorted`
[INFO] [stderr]   --> tests/tests.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn sorted<T: Clone + Ord>(v: &[T]) -> Vec<T> {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `R`
[INFO] [stderr]    --> tests/tests.rs:241:1
[INFO] [stderr]     |
[INFO] [stderr] 241 | type R = Result<usize, usize>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_binary_search_ok`
[INFO] [stderr]    --> tests/tests.rs:242:4
[INFO] [stderr]     |
[INFO] [stderr] 242 | fn assert_binary_search_ok<T>(data: &[T], expected: R, result: R)
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `indexing` (lib test) generated 2 warnings
[INFO] [stderr] warning: `indexing` (test "tests") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/indexing-2df324d707528aec)
[INFO] [stdout] test algorithms::test_lower_bound_ptr ... ok
[INFO] [stdout] test container::test_is_send_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/compiletest.rs (/opt/rustwide/target/debug/deps/compiletest-f75878d57596833e)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-ca745aadf8d1c4ee)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test range_split_nonempty ... ok
[INFO] [stdout] test test_insertion_sort ... ok
[INFO] [stdout] test join_add_proof ... ok
[INFO] [stdout] test test_range_order ... ok
[INFO] [stdout] test test_lower_bound_1 ... ok
[INFO] [stdout] test qc_quicksort_bounds ... ok
[INFO] [stdout] test test_lower_bound_2 ... ok
[INFO] [stdout] test qc_heapify ... ok
[INFO] [stderr]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-cbb795b490614373)
[INFO] [stdout] test qc_quicksort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_vec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests indexing
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/indexing.rs - indexing::Range::join_cover (line 211) - compile fail ... ok
[INFO] [stdout] test src/container.rs - container::Container (line 57) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29b7b2d14ee0fced52c9dcc28c5c9e6954355ba3cd2b976fd14891406f6fed23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b7b2d14ee0fced52c9dcc28c5c9e6954355ba3cd2b976fd14891406f6fed23", kill_on_drop: false }`
[INFO] [stdout] 29b7b2d14ee0fced52c9dcc28c5c9e6954355ba3cd2b976fd14891406f6fed23