[INFO] fetching crate indexing 0.4.1...
[INFO] testing indexing-0.4.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate indexing 0.4.1 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate indexing 0.4.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fab8bbf077c0c20860cc35ed1ee8407ba1d81ab188a93a842adf1d85bfe71bc2
[INFO] running `Command { std: "docker" "start" "-a" "fab8bbf077c0c20860cc35ed1ee8407ba1d81ab188a93a842adf1d85bfe71bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fab8bbf077c0c20860cc35ed1ee8407ba1d81ab188a93a842adf1d85bfe71bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab8bbf077c0c20860cc35ed1ee8407ba1d81ab188a93a842adf1d85bfe71bc2", kill_on_drop: false }`
[INFO] [stdout] fab8bbf077c0c20860cc35ed1ee8407ba1d81ab188a93a842adf1d85bfe71bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca20921749f95498558139b1a8692ab586c2cad2b1d04c2290445c7e90ac870
[INFO] running `Command { std: "docker" "start" "-a" "7ca20921749f95498558139b1a8692ab586c2cad2b1d04c2290445c7e90ac870", 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: field is never read: `id`
[INFO] [stdout]    --> src/indexing.rs:465:5
[INFO] [stdout]     |
[INFO] [stdout] 465 |     id: Id<'id>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `RangeIter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/indexing.rs:463:16
[INFO] [stdout]     |
[INFO] [stdout] 463 | #[derive(Copy, Clone, Debug)]
[INFO] [stdout]     |                ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "7ca20921749f95498558139b1a8692ab586c2cad2b1d04c2290445c7e90ac870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca20921749f95498558139b1a8692ab586c2cad2b1d04c2290445c7e90ac870", kill_on_drop: false }`
[INFO] [stdout] 7ca20921749f95498558139b1a8692ab586c2cad2b1d04c2290445c7e90ac870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c4ef898a6b36fbf93e010cbd77ba2655bd9d35c35f5f46e88363b02949b99c3
[INFO] running `Command { std: "docker" "start" "-a" "3c4ef898a6b36fbf93e010cbd77ba2655bd9d35c35f5f46e88363b02949b99c3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: field is never read: `id`
[INFO] [stdout]    --> src/indexing.rs:465:5
[INFO] [stdout]     |
[INFO] [stdout] 465 |     id: Id<'id>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `RangeIter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/indexing.rs:463:16
[INFO] [stdout]     |
[INFO] [stdout] 463 | #[derive(Copy, Clone, Debug)]
[INFO] [stdout]     |                ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: 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: field is never read: `id`
[INFO] [stdout]    --> src/indexing.rs:465:5
[INFO] [stdout]     |
[INFO] [stdout] 465 |     id: Id<'id>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `RangeIter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/indexing.rs:463:16
[INFO] [stdout]     |
[INFO] [stdout] 463 | #[derive(Copy, Clone, Debug)]
[INFO] [stdout]     |                ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] 
[INFO] [stdout] warning: 3 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 20.34s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/indexing-1c42f3fb3fc55174)
[INFO] [stderr]   Executable tests/compiletest.rs (/opt/rustwide/target/debug/deps/compiletest-ac8a52512c1ec4da)
[INFO] [stderr]   Executable tests/tests.rs (/opt/rustwide/target/debug/deps/tests-7824631fb2adf18f)
[INFO] [stderr]   Executable tests/vec.rs (/opt/rustwide/target/debug/deps/vec-71975e9a2c277d33)
[INFO] running `Command { std: "docker" "inspect" "3c4ef898a6b36fbf93e010cbd77ba2655bd9d35c35f5f46e88363b02949b99c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4ef898a6b36fbf93e010cbd77ba2655bd9d35c35f5f46e88363b02949b99c3", kill_on_drop: false }`
[INFO] [stdout] 3c4ef898a6b36fbf93e010cbd77ba2655bd9d35c35f5f46e88363b02949b99c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72a5a0bb87382b4290486339df782dc83f28080514461f760e184c532226415b
[INFO] running `Command { std: "docker" "start" "-a" "72a5a0bb87382b4290486339df782dc83f28080514461f760e184c532226415b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]    --> src/indexing.rs:465:5
[INFO] [stderr]     |
[INFO] [stderr] 465 |     id: Id<'id>,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `RangeIter` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/indexing.rs:463:16
[INFO] [stderr]     |
[INFO] [stderr] 463 | #[derive(Copy, Clone, Debug)]
[INFO] [stderr]     |                ^^^^^  ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `indexing` (lib) generated 2 warnings
[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: associated function is never used: `nonempty_proof`
[INFO] [stderr]    --> src/proof.rs:120:19
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub(crate) fn nonempty_proof(&self) -> bool where P: ProofType
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `indexing` (test "tests") generated 3 warnings
[INFO] [stderr] warning: `indexing` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/indexing-1c42f3fb3fc55174)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test algorithms::test_binary_search ... ok
[INFO] [stderr]      Running tests/compiletest.rs (/opt/rustwide/target/debug/deps/compiletest-ac8a52512c1ec4da)
[INFO] [stdout] test algorithms::test_heapify ... ok
[INFO] [stdout] test algorithms::test_lower_bound ... ok
[INFO] [stdout] test algorithms::test_lower_bound_ptr ... ok
[INFO] [stdout] test algorithms::test_quicksort ... ok
[INFO] [stdout] test algorithms::test_make_twin ... ok
[INFO] [stdout] test algorithms::test_merge_internal ... ok
[INFO] [stdout] test algorithms::test_twin_insertion_sort ... ok
[INFO] [stdout] test container::intervals ... ok
[INFO] [stdout] test container::test_contains ... ok
[INFO] [stdout] test container::test_intervals ... ok
[INFO] [stdout] test container::test_is_send_sync ... ok
[INFO] [stdout] test container::test_nonempty ... ok
[INFO] [stdout] test container::test_scan ... ok
[INFO] [stdout] test indexing::test_join_cover ... ok
[INFO] [stdout] test indexing::test_frac_step ... 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] [stdout] 
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-7824631fb2adf18f)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test join_add_proof ... ok
[INFO] [stdout] test range_split_nonempty ... ok
[INFO] [stdout] test test_insertion_sort ... ok
[INFO] [stdout] test test_range_order ... ok
[INFO] [stdout] test test_lower_bound_1 ... ok
[INFO] [stdout] test test_lower_bound_2 ... ok
[INFO] [stdout] test qc_quicksort ... ok
[INFO] [stdout] test qc_quicksort_bounds ... ok
[INFO] [stdout] test qc_heapify ... ok
[INFO] [stderr]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-71975e9a2c277d33)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests indexing
[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 0.02s
[INFO] [stdout] 
[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 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72a5a0bb87382b4290486339df782dc83f28080514461f760e184c532226415b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a5a0bb87382b4290486339df782dc83f28080514461f760e184c532226415b", kill_on_drop: false }`
[INFO] [stdout] 72a5a0bb87382b4290486339df782dc83f28080514461f760e184c532226415b