[INFO] fetching crate rand-mersenne-twister 0.1.0...
[INFO] building rand-mersenne-twister-0.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate rand-mersenne-twister 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rand-mersenne-twister 0.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand-mersenne-twister 0.1.0
[INFO] finished tweaking crates.io crate rand-mersenne-twister 0.1.0
[INFO] tweaked toml for crates.io crate rand-mersenne-twister 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b51441c5d8b4106300291e6525424ebfc69fea544ad2b82a5aa146be683aef9e
[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" "b51441c5d8b4106300291e6525424ebfc69fea544ad2b82a5aa146be683aef9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b51441c5d8b4106300291e6525424ebfc69fea544ad2b82a5aa146be683aef9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51441c5d8b4106300291e6525424ebfc69fea544ad2b82a5aa146be683aef9e", kill_on_drop: false }`
[INFO] [stdout] b51441c5d8b4106300291e6525424ebfc69fea544ad2b82a5aa146be683aef9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cfb7c7e9b6ad7ce9666246c377b0494651b6ecb720e5d2401148fbaa0c21e15
[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" "7cfb7c7e9b6ad7ce9666246c377b0494651b6ecb720e5d2401148fbaa0c21e15", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rand-mersenne-twister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `next_u32` is not a member of trait `Rng`
[INFO] [stdout]    --> src/mt32.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | /     fn next_u32(&mut self) -> u32 {
[INFO] [stdout] 147 | |         self.next()
[INFO] [stdout] 148 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `reseed` is not a member of trait `SeedableRng`
[INFO] [stdout]    --> src/mt32.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 | /     fn reseed(&mut self, seed: u32) {
[INFO] [stdout] 153 | |         self.reset(seed);
[INFO] [stdout] 154 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `SeedableRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `reseed` is not a member of trait `SeedableRng`
[INFO] [stdout]    --> src/mt32.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 | /     fn reseed(&mut self, seed: &'a [u32]) {
[INFO] [stdout] 163 | |         self.reset_array(seed);
[INFO] [stdout] 164 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `SeedableRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `next_u32` is not a member of trait `Rng`
[INFO] [stdout]    --> src/mt64.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 | /     fn next_u32(&mut self) -> u32 {
[INFO] [stdout] 147 | |         self.next() as u32
[INFO] [stdout] 148 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `next_u64` is not a member of trait `Rng`
[INFO] [stdout]    --> src/mt64.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | /     fn next_u64(&mut self) -> u64 {
[INFO] [stdout] 151 | |         self.next()
[INFO] [stdout] 152 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `reseed` is not a member of trait `SeedableRng`
[INFO] [stdout]    --> src/mt64.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | /     fn reseed(&mut self, seed: u64) {
[INFO] [stdout] 157 | |         self.reset(seed);
[INFO] [stdout] 158 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `SeedableRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `reseed` is not a member of trait `SeedableRng`
[INFO] [stdout]    --> src/mt64.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 | /     fn reseed(&mut self, seed: &'a [u64]) {
[INFO] [stdout] 167 | |         self.reset_array(seed);
[INFO] [stdout] 168 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `SeedableRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/mt32.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |         for index in (1..N) {
[INFO] [stdout]    |                      ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/mt32.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |         for _ in (0..size) {
[INFO] [stdout]    |                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/mt32.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |         for _ in (0..N - 1) {
[INFO] [stdout]    |                  ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/mt64.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |         for index in (1..N) {
[INFO] [stdout]    |                      ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/mt64.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |         for _ in (0..size) {
[INFO] [stdout]    |                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/mt64.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |         for _ in (0..N - 1) {
[INFO] [stdout]    |                  ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: this trait takes 0 type arguments but 1 type argument was supplied
[INFO] [stdout]    --> src/mt32.rs:151:6
[INFO] [stdout]     |
[INFO] [stdout] 151 | impl SeedableRng<u32> for MTRng32 {
[INFO] [stdout]     |      ^^^^^^^^^^^----- help: remove these generics
[INFO] [stdout]     |      |
[INFO] [stdout]     |      expected 0 type arguments
[INFO] [stdout]     |
[INFO] [stdout] note: trait defined here, with 0 type parameters
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.6.2/src/lib.rs:212:11
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub trait SeedableRng: Sized {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: this trait takes 0 type arguments but 1 type argument was supplied
[INFO] [stdout]    --> src/mt32.rs:161:10
[INFO] [stdout]     |
[INFO] [stdout] 161 | impl<'a> SeedableRng<&'a [u32]> for MTRng32 {
[INFO] [stdout]     |          ^^^^^^^^^^^----------- help: remove these generics
[INFO] [stdout]     |          |
[INFO] [stdout]     |          expected 0 type arguments
[INFO] [stdout]     |
[INFO] [stdout] note: trait defined here, with 0 type parameters
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.6.2/src/lib.rs:212:11
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub trait SeedableRng: Sized {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: this trait takes 0 type arguments but 1 type argument was supplied
[INFO] [stdout]    --> src/mt64.rs:155:6
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl SeedableRng<u64> for MTRng64 {
[INFO] [stdout]     |      ^^^^^^^^^^^----- help: remove these generics
[INFO] [stdout]     |      |
[INFO] [stdout]     |      expected 0 type arguments
[INFO] [stdout]     |
[INFO] [stdout] note: trait defined here, with 0 type parameters
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.6.2/src/lib.rs:212:11
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub trait SeedableRng: Sized {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: this trait takes 0 type arguments but 1 type argument was supplied
[INFO] [stdout]    --> src/mt64.rs:165:10
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl<'a> SeedableRng<&'a [u64]> for MTRng64 {
[INFO] [stdout]     |          ^^^^^^^^^^^----------- help: remove these generics
[INFO] [stdout]     |          |
[INFO] [stdout]     |          expected 0 type arguments
[INFO] [stdout]     |
[INFO] [stdout] note: trait defined here, with 0 type parameters
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.6.2/src/lib.rs:212:11
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub trait SeedableRng: Sized {
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `rand::SeedableRng` for type `mt32::MTRng32`
[INFO] [stdout]    --> src/mt32.rs:161:1
[INFO] [stdout]     |
[INFO] [stdout] 151 | impl SeedableRng<u32> for MTRng32 {
[INFO] [stdout]     | --------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 161 | impl<'a> SeedableRng<&'a [u32]> for MTRng32 {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `mt32::MTRng32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `rand::SeedableRng` for type `mt64::MTRng64`
[INFO] [stdout]    --> src/mt64.rs:165:1
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl SeedableRng<u64> for MTRng64 {
[INFO] [stdout]     | --------------------------------- first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 165 | impl<'a> SeedableRng<&'a [u64]> for MTRng64 {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `mt64::MTRng64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0119, E0407.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rand-mersenne-twister`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7cfb7c7e9b6ad7ce9666246c377b0494651b6ecb720e5d2401148fbaa0c21e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfb7c7e9b6ad7ce9666246c377b0494651b6ecb720e5d2401148fbaa0c21e15", kill_on_drop: false }`
[INFO] [stdout] 7cfb7c7e9b6ad7ce9666246c377b0494651b6ecb720e5d2401148fbaa0c21e15
