[INFO] fetching crate select_indices 3.0.1-alpha-2...
[INFO] testing select_indices-3.0.1-alpha-2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate select_indices 3.0.1-alpha-2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate select_indices 3.0.1-alpha-2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate select_indices 3.0.1-alpha-2
[INFO] finished tweaking crates.io crate select_indices 3.0.1-alpha-2
[INFO] tweaked toml for crates.io crate select_indices 3.0.1-alpha-2 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded force-send-sync v1.0.0
[INFO] [stderr]   Downloaded ndarray v0.15.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dec23b3d9b568e8783c1473158adbb36a3278eeffff62d42406fb7799ba28a0
[INFO] running `Command { std: "docker" "start" "-a" "2dec23b3d9b568e8783c1473158adbb36a3278eeffff62d42406fb7799ba28a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dec23b3d9b568e8783c1473158adbb36a3278eeffff62d42406fb7799ba28a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dec23b3d9b568e8783c1473158adbb36a3278eeffff62d42406fb7799ba28a0", kill_on_drop: false }`
[INFO] [stdout] 2dec23b3d9b568e8783c1473158adbb36a3278eeffff62d42406fb7799ba28a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eab3a5e2a006b1c39db8b7939d0e9e5355d4cdcb7276aa2ab88afac601f2e656
[INFO] running `Command { std: "docker" "start" "-a" "eab3a5e2a006b1c39db8b7939d0e9e5355d4cdcb7276aa2ab88afac601f2e656", kill_on_drop: false }`
[INFO] [stderr]    Compiling force-send-sync v1.0.0
[INFO] [stderr]    Compiling select_indices v3.0.1-alpha-2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `collections::HashSet`, `sync::Mutex`
[INFO] [stdout]  --> src/immutable/iter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::HashSet,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     sync::Mutex,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parallel`
[INFO] [stdout]  --> src/immutable/iter.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::iter_type::{ Parallel, Sequential };
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> src/mutable/iter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::Mutex,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parallel`
[INFO] [stdout]   --> src/lib.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub struct Parallel;
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "eab3a5e2a006b1c39db8b7939d0e9e5355d4cdcb7276aa2ab88afac601f2e656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab3a5e2a006b1c39db8b7939d0e9e5355d4cdcb7276aa2ab88afac601f2e656", kill_on_drop: false }`
[INFO] [stdout] eab3a5e2a006b1c39db8b7939d0e9e5355d4cdcb7276aa2ab88afac601f2e656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0caeac3ea4d5248d05e830beba46c44249561c5dcc456150bed07ce8c47c76cb
[INFO] running `Command { std: "docker" "start" "-a" "0caeac3ea4d5248d05e830beba46c44249561c5dcc456150bed07ce8c47c76cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stdout] warning: unused imports: `collections::HashSet`, `sync::Mutex`
[INFO] [stdout]  --> src/immutable/iter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::HashSet,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     sync::Mutex,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stdout] warning: unused import: `Parallel`
[INFO] [stdout]  --> src/immutable/iter.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::iter_type::{ Parallel, Sequential };
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> src/mutable/iter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::Mutex,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parallel`
[INFO] [stdout]   --> src/lib.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub struct Parallel;
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling select_indices v3.0.1-alpha-2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `collections::HashSet`, `sync::Mutex`
[INFO] [stdout]  --> src/immutable/iter.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::HashSet,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     sync::Mutex,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parallel`
[INFO] [stdout]  --> src/immutable/iter.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::iter_type::{ Parallel, Sequential };
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> src/mutable/iter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     sync::Mutex,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parallel`
[INFO] [stdout]   --> src/lib.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub struct Parallel;
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "0caeac3ea4d5248d05e830beba46c44249561c5dcc456150bed07ce8c47c76cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0caeac3ea4d5248d05e830beba46c44249561c5dcc456150bed07ce8c47c76cb", kill_on_drop: false }`
[INFO] [stdout] 0caeac3ea4d5248d05e830beba46c44249561c5dcc456150bed07ce8c47c76cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c94654d5a932f98e40c1263fa1b98c201c2c328785dce8f065b0298771ee32bb
[INFO] running `Command { std: "docker" "start" "-a" "c94654d5a932f98e40c1263fa1b98c201c2c328785dce8f065b0298771ee32bb", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `collections::HashSet`, `sync::Mutex`
[INFO] [stderr]  --> src/immutable/iter.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     collections::HashSet,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 4 |     sync::Mutex,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Parallel`
[INFO] [stderr]  --> src/immutable/iter.rs:7:25
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::iter_type::{ Parallel, Sequential };
[INFO] [stderr]   |                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sync::Mutex`
[INFO] [stderr]  --> src/mutable/iter.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     sync::Mutex,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parallel`
[INFO] [stderr]   --> src/lib.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub struct Parallel;
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `select_indices` (lib) generated 4 warnings
[INFO] [stderr] warning: `select_indices` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/select_indices-a9cd23157a7df23a)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-36ef1c8316f6a104)
[INFO] [stdout] running 1 test
[INFO] [stdout] test mutable::unchecked::speed_test ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test immutable::indexed ... ok
[INFO] [stdout] test immutable::indexed_halfway ... ok
[INFO] [stdout] test immutable::select_indices_rev_test ... ok
[INFO] [stdout] test mutable::indexed_halfway ... ok
[INFO] [stdout] test immutable::select_indices_test ... ok
[INFO] [stdout] test mutable::select_indices ... ok
[INFO] [stdout] test immutable::out_of_range_panic - should panic ... ok
[INFO] [stdout] test mutable::repeated_index_from_iter_panic - should panic ... ok
[INFO] [stdout] test mutable::out_of_range_panic - should panic ... ok
[INFO] [stdout] test mutable::repeated_index_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests select_indices
[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] running `Command { std: "docker" "inspect" "c94654d5a932f98e40c1263fa1b98c201c2c328785dce8f065b0298771ee32bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94654d5a932f98e40c1263fa1b98c201c2c328785dce8f065b0298771ee32bb", kill_on_drop: false }`
[INFO] [stdout] c94654d5a932f98e40c1263fa1b98c201c2c328785dce8f065b0298771ee32bb