[INFO] fetching crate select_indices 3.0.1-alpha-2...
[INFO] testing select_indices-3.0.1-alpha-2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate select_indices 3.0.1-alpha-2 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate select_indices 3.0.1-alpha-2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 337fa3269376624a66eb315cc92cf3391188c1b88ffa79275478be0c6f48ee1e
[INFO] running `Command { std: "docker" "start" "-a" "337fa3269376624a66eb315cc92cf3391188c1b88ffa79275478be0c6f48ee1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "337fa3269376624a66eb315cc92cf3391188c1b88ffa79275478be0c6f48ee1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337fa3269376624a66eb315cc92cf3391188c1b88ffa79275478be0c6f48ee1e", kill_on_drop: false }`
[INFO] [stdout] 337fa3269376624a66eb315cc92cf3391188c1b88ffa79275478be0c6f48ee1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07da6c8c25bd2f6f7f91b4eb47bc5942b8e3d60273cd01ae3595274d3572bcaa
[INFO] running `Command { std: "docker" "start" "-a" "07da6c8c25bd2f6f7f91b4eb47bc5942b8e3d60273cd01ae3595274d3572bcaa", 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 1.19s
[INFO] running `Command { std: "docker" "inspect" "07da6c8c25bd2f6f7f91b4eb47bc5942b8e3d60273cd01ae3595274d3572bcaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07da6c8c25bd2f6f7f91b4eb47bc5942b8e3d60273cd01ae3595274d3572bcaa", kill_on_drop: false }`
[INFO] [stdout] 07da6c8c25bd2f6f7f91b4eb47bc5942b8e3d60273cd01ae3595274d3572bcaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae4d4369bc1f9fa4618bd0ac5f8943d0f87fb85e5d3d6979ad7d5dceaed9ebf5
[INFO] running `Command { std: "docker" "start" "-a" "ae4d4369bc1f9fa4618bd0ac5f8943d0f87fb85e5d3d6979ad7d5dceaed9ebf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[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]    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 3.84s
[INFO] running `Command { std: "docker" "inspect" "ae4d4369bc1f9fa4618bd0ac5f8943d0f87fb85e5d3d6979ad7d5dceaed9ebf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4d4369bc1f9fa4618bd0ac5f8943d0f87fb85e5d3d6979ad7d5dceaed9ebf5", kill_on_drop: false }`
[INFO] [stdout] ae4d4369bc1f9fa4618bd0ac5f8943d0f87fb85e5d3d6979ad7d5dceaed9ebf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 41f103ddce0eecfc0db28b7497f98cb74aeae98db2dc588377f287dea86ea379
[INFO] running `Command { std: "docker" "start" "-a" "41f103ddce0eecfc0db28b7497f98cb74aeae98db2dc588377f287dea86ea379", 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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/select_indices-a307ddcb5f844f6e)
[INFO] [stdout] 
[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] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-bc1e745d128b8474)
[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 immutable::select_indices_test ... ok
[INFO] [stdout] test mutable::indexed_halfway ... ok
[INFO] [stdout] test mutable::select_indices ... ok
[INFO] [stdout] test immutable::out_of_range_panic - should panic ... ok
[INFO] [stdout] test mutable::out_of_range_panic - should panic ... ok
[INFO] [stdout] test mutable::repeated_index_from_iter_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" "41f103ddce0eecfc0db28b7497f98cb74aeae98db2dc588377f287dea86ea379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41f103ddce0eecfc0db28b7497f98cb74aeae98db2dc588377f287dea86ea379", kill_on_drop: false }`
[INFO] [stdout] 41f103ddce0eecfc0db28b7497f98cb74aeae98db2dc588377f287dea86ea379