[INFO] fetching crate shuffle 0.1.7...
[INFO] testing shuffle-0.1.7 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate shuffle 0.1.7 into /workspace/builds/worker-1-tc2/source
[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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shuffle 0.1.7 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding bitvec v0.17.4 (available: v1.0.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9db7751d625b3fcb2e8cd9747b8b284558d9b56431ae84eb4d10d58903004b1
[INFO] running `Command { std: "docker" "start" "-a" "e9db7751d625b3fcb2e8cd9747b8b284558d9b56431ae84eb4d10d58903004b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9db7751d625b3fcb2e8cd9747b8b284558d9b56431ae84eb4d10d58903004b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9db7751d625b3fcb2e8cd9747b8b284558d9b56431ae84eb4d10d58903004b1", kill_on_drop: false }`
[INFO] [stdout] e9db7751d625b3fcb2e8cd9747b8b284558d9b56431ae84eb4d10d58903004b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce519f3cf2f71d58106c3a7a21a64146f43c2a1d2e7d6450ea483786836cd2a0
[INFO] running `Command { std: "docker" "start" "-a" "ce519f3cf2f71d58106c3a7a21a64146f43c2a1d2e7d6450ea483786836cd2a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling shuffle v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `buffer` is never read
[INFO] [stdout]   --> src/fy.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct FisherYates {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 26 |     buffer: [u8; std::mem::size_of::<usize>()],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FisherYates` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "ce519f3cf2f71d58106c3a7a21a64146f43c2a1d2e7d6450ea483786836cd2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce519f3cf2f71d58106c3a7a21a64146f43c2a1d2e7d6450ea483786836cd2a0", kill_on_drop: false }`
[INFO] [stdout] ce519f3cf2f71d58106c3a7a21a64146f43c2a1d2e7d6450ea483786836cd2a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1948558e2293284ad1c80866e4b27c7e400c4eaac167686c783e107ae086ec4b
[INFO] running `Command { std: "docker" "start" "-a" "1948558e2293284ad1c80866e4b27c7e400c4eaac167686c783e107ae086ec4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling shuffle v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `buffer` is never read
[INFO] [stdout]   --> src/fy.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct FisherYates {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 26 |     buffer: [u8; std::mem::size_of::<usize>()],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FisherYates` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buffer` is never read
[INFO] [stdout]   --> src/fy.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct FisherYates {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 26 |     buffer: [u8; std::mem::size_of::<usize>()],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FisherYates` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "1948558e2293284ad1c80866e4b27c7e400c4eaac167686c783e107ae086ec4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1948558e2293284ad1c80866e4b27c7e400c4eaac167686c783e107ae086ec4b", kill_on_drop: false }`
[INFO] [stdout] 1948558e2293284ad1c80866e4b27c7e400c4eaac167686c783e107ae086ec4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc8bbbba09c47d93141a3d52990e62d80f4031e05296ddce4890f556ff275942
[INFO] running `Command { std: "docker" "start" "-a" "fc8bbbba09c47d93141a3d52990e62d80f4031e05296ddce4890f556ff275942", kill_on_drop: false }`
[INFO] [stderr] warning: field `buffer` is never read
[INFO] [stderr]   --> src/fy.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct FisherYates {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 26 |     buffer: [u8; std::mem::size_of::<usize>()],
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FisherYates` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shuffle-fa0011ffdf1e5f18)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test irs::tests::test_get_reset_context ... ok
[INFO] [stdout] test irs::tests::test_irs ... ok
[INFO] [stdout] test irs::tests::test_all_distinct ... 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 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc8bbbba09c47d93141a3d52990e62d80f4031e05296ddce4890f556ff275942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8bbbba09c47d93141a3d52990e62d80f4031e05296ddce4890f556ff275942", kill_on_drop: false }`
[INFO] [stdout] fc8bbbba09c47d93141a3d52990e62d80f4031e05296ddce4890f556ff275942