[INFO] fetching crate shuffle 0.1.7...
[INFO] testing shuffle-0.1.7 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate shuffle 0.1.7 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate shuffle 0.1.7 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shuffle 0.1.7
[INFO] finished tweaking crates.io crate shuffle 0.1.7
[INFO] tweaked toml for crates.io crate shuffle 0.1.7 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21cde94630cc76d468bcdef00dcac3c5c79ba81bddc752994057142f9a70123b
[INFO] running `Command { std: "docker" "start" "-a" "21cde94630cc76d468bcdef00dcac3c5c79ba81bddc752994057142f9a70123b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21cde94630cc76d468bcdef00dcac3c5c79ba81bddc752994057142f9a70123b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21cde94630cc76d468bcdef00dcac3c5c79ba81bddc752994057142f9a70123b", kill_on_drop: false }`
[INFO] [stdout] 21cde94630cc76d468bcdef00dcac3c5c79ba81bddc752994057142f9a70123b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b9dace0fa8a96f330c9cf48134054371c92989ea96a1593cf2944a5f177a855
[INFO] running `Command { std: "docker" "start" "-a" "6b9dace0fa8a96f330c9cf48134054371c92989ea96a1593cf2944a5f177a855", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling shuffle v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/fy.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     buffer: [u8; std::mem::size_of::<usize>()],
[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 4.72s
[INFO] running `Command { std: "docker" "inspect" "6b9dace0fa8a96f330c9cf48134054371c92989ea96a1593cf2944a5f177a855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9dace0fa8a96f330c9cf48134054371c92989ea96a1593cf2944a5f177a855", kill_on_drop: false }`
[INFO] [stdout] 6b9dace0fa8a96f330c9cf48134054371c92989ea96a1593cf2944a5f177a855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0714bec4dad0b5fe14d9310e353cd0ff808bc765047686d11f7c3b02bd68a9c9
[INFO] running `Command { std: "docker" "start" "-a" "0714bec4dad0b5fe14d9310e353cd0ff808bc765047686d11f7c3b02bd68a9c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling shuffle v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/fy.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     buffer: [u8; std::mem::size_of::<usize>()],
[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] [stdout] warning: field is never read: `buffer`
[INFO] [stdout]   --> src/fy.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     buffer: [u8; std::mem::size_of::<usize>()],
[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 test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "0714bec4dad0b5fe14d9310e353cd0ff808bc765047686d11f7c3b02bd68a9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0714bec4dad0b5fe14d9310e353cd0ff808bc765047686d11f7c3b02bd68a9c9", kill_on_drop: false }`
[INFO] [stdout] 0714bec4dad0b5fe14d9310e353cd0ff808bc765047686d11f7c3b02bd68a9c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0bfa67020bd8fc1baf5acf09cfee91f099a5309063eae8139db7faf672b5791
[INFO] running `Command { std: "docker" "start" "-a" "f0bfa67020bd8fc1baf5acf09cfee91f099a5309063eae8139db7faf672b5791", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `buffer`
[INFO] [stderr]   --> src/fy.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     buffer: [u8; std::mem::size_of::<usize>()],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shuffle` (lib) generated 1 warning
[INFO] [stderr] warning: `shuffle` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shuffle-98159acd87d86ca7)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test irs::tests::test_all_distinct ... ok
[INFO] [stdout] test irs::tests::test_get_reset_context ... ok
[INFO] [stdout] test irs::tests::test_irs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shuffle
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/fy.rs - fy::FisherYates (line 11) ... ok
[INFO] [stdout] test src/irs.rs - irs::Irs (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0bfa67020bd8fc1baf5acf09cfee91f099a5309063eae8139db7faf672b5791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bfa67020bd8fc1baf5acf09cfee91f099a5309063eae8139db7faf672b5791", kill_on_drop: false }`
[INFO] [stdout] f0bfa67020bd8fc1baf5acf09cfee91f099a5309063eae8139db7faf672b5791