[INFO] fetching crate pcg_rand 0.13.0...
[INFO] testing pcg_rand-0.13.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate pcg_rand 0.13.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pcg_rand 0.13.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pcg_rand 0.13.0
[INFO] finished tweaking crates.io crate pcg_rand 0.13.0
[INFO] tweaked toml for crates.io crate pcg_rand 0.13.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pcg_rand 0.13.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa68bd24b1fa03b407e5e4b990755e3ee3443a8c7165dc20f785f5e274e972dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fa68bd24b1fa03b407e5e4b990755e3ee3443a8c7165dc20f785f5e274e972dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa68bd24b1fa03b407e5e4b990755e3ee3443a8c7165dc20f785f5e274e972dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa68bd24b1fa03b407e5e4b990755e3ee3443a8c7165dc20f785f5e274e972dc", kill_on_drop: false }`
[INFO] [stdout] fa68bd24b1fa03b407e5e4b990755e3ee3443a8c7165dc20f785f5e274e972dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3e488b3be62af80bfc2e8f3f5f5a4abe562cda16684ec84f33f6e4dba04b767
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3e488b3be62af80bfc2e8f3f5f5a4abe562cda16684ec84f33f6e4dba04b767", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling pcg_rand v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "b3e488b3be62af80bfc2e8f3f5f5a4abe562cda16684ec84f33f6e4dba04b767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e488b3be62af80bfc2e8f3f5f5a4abe562cda16684ec84f33f6e4dba04b767", kill_on_drop: false }`
[INFO] [stdout] b3e488b3be62af80bfc2e8f3f5f5a4abe562cda16684ec84f33f6e4dba04b767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18b4f64c0f009d43dfbf05e6aa790dbb7988e0d4bec0e2383b3cb01be2601f2f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "18b4f64c0f009d43dfbf05e6aa790dbb7988e0d4bec0e2383b3cb01be2601f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling pcg_rand v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg_basic_tests.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut ra: Pcg32Basic = Pcg32Basic::new_unseeded();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg_basic_tests.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut rb: Pcg32Basic = Pcg32Basic::new_unseeded();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg_basic_tests.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut ra: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 12));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg_basic_tests.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut rb: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 12));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg_basic_tests.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut ra: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 12));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg_basic_tests.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut rb: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 14));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg_basic_tests.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut ra: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 12));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg_basic_tests.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut rb: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 13));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg_basic_tests.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut ra: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 11));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg_basic_tests.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut rb: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(12, 11));
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32unique_tests.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut ra: Pcg32Unique = Pcg32Unique::new_unseeded();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32unique_tests.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut rb: Pcg32Unique = Pcg32Unique::new_unseeded();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32unique_tests.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut ra: Pcg32Unique = SeedableRng::from_seed(s.clone());
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32unique_tests.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut rb: Pcg32Unique = SeedableRng::from_seed(s);
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32unique_tests.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut ra: Pcg32Unique = SeedableRng::from_seed(s1);
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32unique_tests.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut rb: Pcg32Unique = SeedableRng::from_seed(s2);
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg64_tests.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut ra: Pcg64 = Pcg64::new_unseeded();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg64_tests.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut rb: Pcg64 = Pcg64::new_unseeded();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg64_tests.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut ra: Pcg64 = SeedableRng::from_seed(s.clone());
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg64_tests.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut rb: Pcg64 = SeedableRng::from_seed(s);
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg64_tests.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut ra: Pcg64 =
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg64_tests.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut rb: Pcg64 =
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg64_tests.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut ra: Pcg64 =
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg64_tests.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut rb: Pcg64 =
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32_tests.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut ra: Pcg32 = Pcg32::new_unseeded();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32_tests.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut rb: Pcg32 = Pcg32::new_unseeded();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32_tests.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut ra: Pcg32 = SeedableRng::from_seed(s.clone());
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32_tests.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut rb: Pcg32 = SeedableRng::from_seed(s);
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32_tests.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut ra: Pcg32 = Pcg32::from_seed(PcgSeeder::seed_with_stream(seed, seq));
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32_tests.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut rb: Pcg32 = Pcg32::from_seed(PcgSeeder::seed_with_stream(seed, seq + 2));
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32_tests.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut ra: Pcg32 = Pcg32::from_seed(PcgSeeder::seed_with_stream(seed, seq));
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32_tests.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut rb: Pcg32 = Pcg32::from_seed(PcgSeeder::seed_with_stream(seed + 1, seq));
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32l_tests.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut ra: Pcg32L = Pcg32L::new_unseeded();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32l_tests.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut rb: Pcg32L = Pcg32L::new_unseeded();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32l_tests.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut ra: Pcg32L = SeedableRng::from_seed(s.clone());
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32l_tests.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut rb: Pcg32L = SeedableRng::from_seed(s);
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32l_tests.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut ra: Pcg32L =
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32l_tests.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut rb: Pcg32L =
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32l_tests.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let mut ra: Pcg32L =
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/pcg32l_tests.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut rb: Pcg32L =
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Pcg32L_unseeded` should have a snake case name
[INFO] [stdout]   --> tests/pcg32l_tests.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn Pcg32L_unseeded() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pcg32_l_unseeded`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Pcg32L_seed_match` should have a snake case name
[INFO] [stdout]   --> tests/pcg32l_tests.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn Pcg32L_seed_match() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pcg32_l_seed_match`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Pcg32L_seq_diff` should have a snake case name
[INFO] [stdout]   --> tests/pcg32l_tests.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn Pcg32L_seq_diff() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pcg32_l_seq_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Pcg32L_seed_diff` should have a snake case name
[INFO] [stdout]   --> tests/pcg32l_tests.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn Pcg32L_seed_diff() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pcg32_l_seed_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.88s
[INFO] running `Command { std: "docker" "inspect" "18b4f64c0f009d43dfbf05e6aa790dbb7988e0d4bec0e2383b3cb01be2601f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b4f64c0f009d43dfbf05e6aa790dbb7988e0d4bec0e2383b3cb01be2601f2f", kill_on_drop: false }`
[INFO] [stdout] 18b4f64c0f009d43dfbf05e6aa790dbb7988e0d4bec0e2383b3cb01be2601f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99d2d1e13561f4d02a1f580ffe492a8fe8d02cfc2fae289c4479e47667c43669
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "99d2d1e13561f4d02a1f580ffe492a8fe8d02cfc2fae289c4479e47667c43669", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32_tests.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut ra: Pcg32 = Pcg32::new_unseeded();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32_tests.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut rb: Pcg32 = Pcg32::new_unseeded();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32_tests.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut ra: Pcg32 = SeedableRng::from_seed(s.clone());
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32_tests.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut rb: Pcg32 = SeedableRng::from_seed(s);
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32_tests.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut ra: Pcg32 = Pcg32::from_seed(PcgSeeder::seed_with_stream(seed, seq));
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32_tests.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let mut rb: Pcg32 = Pcg32::from_seed(PcgSeeder::seed_with_stream(seed, seq + 2));
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32_tests.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let mut ra: Pcg32 = Pcg32::from_seed(PcgSeeder::seed_with_stream(seed, seq));
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32_tests.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let mut rb: Pcg32 = Pcg32::from_seed(PcgSeeder::seed_with_stream(seed + 1, seq));
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32unique_tests.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut ra: Pcg32Unique = Pcg32Unique::new_unseeded();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32unique_tests.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut rb: Pcg32Unique = Pcg32Unique::new_unseeded();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32unique_tests.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut ra: Pcg32Unique = SeedableRng::from_seed(s.clone());
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32unique_tests.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut rb: Pcg32Unique = SeedableRng::from_seed(s);
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32unique_tests.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut ra: Pcg32Unique = SeedableRng::from_seed(s1);
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32unique_tests.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut rb: Pcg32Unique = SeedableRng::from_seed(s2);
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg_basic_tests.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut ra: Pcg32Basic = Pcg32Basic::new_unseeded();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg_basic_tests.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut rb: Pcg32Basic = Pcg32Basic::new_unseeded();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg_basic_tests.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut ra: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 12));
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg_basic_tests.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut rb: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 12));
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg_basic_tests.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let mut ra: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 12));
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg_basic_tests.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut rb: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 14));
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg_basic_tests.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut ra: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 12));
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg_basic_tests.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut rb: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 13));
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg_basic_tests.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut ra: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(11, 11));
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg_basic_tests.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut rb: Pcg32Basic = SeedableRng::from_seed(PcgSeeder::seed_with_stream(12, 11));
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32l_tests.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut ra: Pcg32L = Pcg32L::new_unseeded();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32l_tests.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut rb: Pcg32L = Pcg32L::new_unseeded();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32l_tests.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut ra: Pcg32L = SeedableRng::from_seed(s.clone());
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32l_tests.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut rb: Pcg32L = SeedableRng::from_seed(s);
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32l_tests.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let mut ra: Pcg32L =
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32l_tests.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut rb: Pcg32L =
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32l_tests.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut ra: Pcg32L =
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg32l_tests.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut rb: Pcg32L =
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `Pcg32L_unseeded` should have a snake case name
[INFO] [stderr]   --> tests/pcg32l_tests.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn Pcg32L_unseeded() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pcg32_l_unseeded`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `Pcg32L_seed_match` should have a snake case name
[INFO] [stderr]   --> tests/pcg32l_tests.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn Pcg32L_seed_match() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pcg32_l_seed_match`
[INFO] [stderr] 
[INFO] [stderr] warning: function `Pcg32L_seq_diff` should have a snake case name
[INFO] [stderr]   --> tests/pcg32l_tests.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn Pcg32L_seq_diff() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pcg32_l_seq_diff`
[INFO] [stderr] 
[INFO] [stderr] warning: function `Pcg32L_seed_diff` should have a snake case name
[INFO] [stderr]   --> tests/pcg32l_tests.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn Pcg32L_seed_diff() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pcg32_l_seed_diff`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg64_tests.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut ra: Pcg64 = Pcg64::new_unseeded();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg64_tests.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut rb: Pcg64 = Pcg64::new_unseeded();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg64_tests.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut ra: Pcg64 = SeedableRng::from_seed(s.clone());
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg64_tests.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut rb: Pcg64 = SeedableRng::from_seed(s);
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg64_tests.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let mut ra: Pcg64 =
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg64_tests.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut rb: Pcg64 =
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg64_tests.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let mut ra: Pcg64 =
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/pcg64_tests.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut rb: Pcg64 =
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `pcg_rand` (test "pcg32_tests") generated 8 warnings
[INFO] [stderr] warning: `pcg_rand` (test "pcg32unique_tests") generated 6 warnings
[INFO] [stderr] warning: `pcg_rand` (test "pcg_basic_tests") generated 10 warnings
[INFO] [stderr] warning: `pcg_rand` (test "pcg32l_tests") generated 12 warnings
[INFO] [stderr] warning: `pcg_rand` (test "pcg64_tests") generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pcg_rand-23f932ab38dca577)
[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] [stderr]      Running tests/advance_tests.rs (/opt/rustwide/target/debug/deps/advance_tests-c0188e21aba16f08)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test pcg32_short_advance ... ok
[INFO] [stdout] test pcg64_backstep ... ok
[INFO] [stdout] test pcg64_short_advance ... ok
[INFO] [stdout] test pcg32_backstep ... ok
[INFO] [stdout] test pcg64_long_advance ... ok
[INFO] [stdout] test pcg32_long_advance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.80s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/pcg32_tests.rs (/opt/rustwide/target/debug/deps/pcg32_tests-32555b8568bbbe60)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test pcg32_unseeded ... ok
[INFO] [stdout] test pcg32_seq_diff ... ok
[INFO] [stdout] test pcg32_seed_match ... ok
[INFO] [stdout] test pcg32_seed_diff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/pcg32l_tests.rs (/opt/rustwide/target/debug/deps/pcg32l_tests-aa7739dc4c268676)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test Pcg32L_unseeded ... ok
[INFO] [stdout] test Pcg32L_seed_diff ... ok
[INFO] [stdout] test Pcg32L_seq_diff ... ok
[INFO] [stdout] test Pcg32L_seed_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/pcg32unique_tests.rs (/opt/rustwide/target/debug/deps/pcg32unique_tests-ca2785909b5360f9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test pcg32_unique_seed_match - should panic ... ok
[INFO] [stdout] test pcg32_unique_unseeded - should panic ... ok
[INFO] [stdout] test pcg32_unique_seed_diff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/pcg64_tests.rs (/opt/rustwide/target/debug/deps/pcg64_tests-d414306f97b21edd)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test pcg64_unseeded ... ok
[INFO] [stdout] test pcg64_seed_diff ... ok
[INFO] [stdout] test pcg64_seed_match ... ok
[INFO] [stdout] test pcg64_seq_diff ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/pcg_basic_tests.rs (/opt/rustwide/target/debug/deps/pcg_basic_tests-d624ab0b37f02f69)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test pcg_basic_seed_match ... ok
[INFO] [stdout] test pcg_basic_seed_diff ... ok
[INFO] [stdout] test pcg_basic_unseeded ... ok
[INFO] [stdout] test pcg_basic_seq_diff ... ok
[INFO] [stdout] test pcg_basic_seq_aliasing - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pcg_rand
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 89) ... ok
[INFO] [stdout] test src/lib.rs - (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99d2d1e13561f4d02a1f580ffe492a8fe8d02cfc2fae289c4479e47667c43669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d2d1e13561f4d02a1f580ffe492a8fe8d02cfc2fae289c4479e47667c43669", kill_on_drop: false }`
[INFO] [stdout] 99d2d1e13561f4d02a1f580ffe492a8fe8d02cfc2fae289c4479e47667c43669
