[INFO] cloning repository https://github.com/adambudziak/shuffle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adambudziak/shuffle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambudziak%2Fshuffle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambudziak%2Fshuffle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f26281006c3ff97225f412bc228b81b9ce66261b
[INFO] testing adambudziak/shuffle against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambudziak%2Fshuffle" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adambudziak/shuffle 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 git repo https://github.com/adambudziak/shuffle
[INFO] finished tweaking git repo https://github.com/adambudziak/shuffle
[INFO] tweaked toml for git repo https://github.com/adambudziak/shuffle written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/adambudziak/shuffle already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 5c25244b63a1e0621ee344a7a0754539672c186ca93c82479797297e57efe97f
[INFO] running `Command { std: "docker" "start" "-a" "5c25244b63a1e0621ee344a7a0754539672c186ca93c82479797297e57efe97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c25244b63a1e0621ee344a7a0754539672c186ca93c82479797297e57efe97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c25244b63a1e0621ee344a7a0754539672c186ca93c82479797297e57efe97f", kill_on_drop: false }`
[INFO] [stdout] 5c25244b63a1e0621ee344a7a0754539672c186ca93c82479797297e57efe97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e0bb1ef6869680272ba9cd4c26a4e6f33711823b7055ef1548f4b45516ea68a9
[INFO] running `Command { std: "docker" "start" "-a" "e0bb1ef6869680272ba9cd4c26a4e6f33711823b7055ef1548f4b45516ea68a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[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] note: `FisherYates` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/fy.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "e0bb1ef6869680272ba9cd4c26a4e6f33711823b7055ef1548f4b45516ea68a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0bb1ef6869680272ba9cd4c26a4e6f33711823b7055ef1548f4b45516ea68a9", kill_on_drop: false }`
[INFO] [stdout] e0bb1ef6869680272ba9cd4c26a4e6f33711823b7055ef1548f4b45516ea68a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 69f4369f06b8a0efeabc162de6392fd509ec5e8d4b93c17d5e2153afeee20a4b
[INFO] running `Command { std: "docker" "start" "-a" "69f4369f06b8a0efeabc162de6392fd509ec5e8d4b93c17d5e2153afeee20a4b", kill_on_drop: false }`
[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] note: `FisherYates` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/fy.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `FisherYates` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/fy.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Debug, Default)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/shuffle-18751fa4b99a3ef7)
[INFO] running `Command { std: "docker" "inspect" "69f4369f06b8a0efeabc162de6392fd509ec5e8d4b93c17d5e2153afeee20a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f4369f06b8a0efeabc162de6392fd509ec5e8d4b93c17d5e2153afeee20a4b", kill_on_drop: false }`
[INFO] [stdout] 69f4369f06b8a0efeabc162de6392fd509ec5e8d4b93c17d5e2153afeee20a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 34e5e7fa2f284a6d9814712c139c44957860656acc39097083192346fe9c09ef
[INFO] running `Command { std: "docker" "start" "-a" "34e5e7fa2f284a6d9814712c139c44957860656acc39097083192346fe9c09ef", 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] note: `FisherYates` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/fy.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 | #[derive(Debug, Default)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shuffle-18751fa4b99a3ef7)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests shuffle
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/irs.rs - irs::Irs (line 81) ... ok
[INFO] [stdout] test src/fy.rs - fy::FisherYates (line 11) ... 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 2.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34e5e7fa2f284a6d9814712c139c44957860656acc39097083192346fe9c09ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e5e7fa2f284a6d9814712c139c44957860656acc39097083192346fe9c09ef", kill_on_drop: false }`
[INFO] [stdout] 34e5e7fa2f284a6d9814712c139c44957860656acc39097083192346fe9c09ef