[INFO] fetching crate wigner-symbols 0.5.0...
[INFO] checking wigner-symbols-0.5.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate wigner-symbols 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wigner-symbols 0.5.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wigner-symbols 0.5.0
[INFO] finished tweaking crates.io crate wigner-symbols 0.5.0
[INFO] tweaked toml for crates.io crate wigner-symbols 0.5.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d513fb4ff898fb8e73d801036a8fbb9ea2012f63d6e33571b3db4db179b4f9ef
[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" "d513fb4ff898fb8e73d801036a8fbb9ea2012f63d6e33571b3db4db179b4f9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d513fb4ff898fb8e73d801036a8fbb9ea2012f63d6e33571b3db4db179b4f9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d513fb4ff898fb8e73d801036a8fbb9ea2012f63d6e33571b3db4db179b4f9ef", kill_on_drop: false }`
[INFO] [stdout] d513fb4ff898fb8e73d801036a8fbb9ea2012f63d6e33571b3db4db179b4f9ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 615b09ae12ec550761b938d7e9066af0196fb7b32373f5318429003124d72008
[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" "615b09ae12ec550761b938d7e9066af0196fb7b32373f5318429003124d72008", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.5
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking wigner-symbols v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> benches/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> benches/main.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |     rand::thread_rng().shuffle(&mut table);
[INFO] [stdout]    |                        ^^^^^^^ method not found in `ThreadRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> benches/main.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |     rand::thread_rng().shuffle(&mut table);
[INFO] [stdout]    |                        ^^^^^^^ method not found in `ThreadRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `ThreadRng` in the current scope
[INFO] [stdout]   --> benches/main.rs:76:24
[INFO] [stdout]    |
[INFO] [stdout] 76 |     rand::thread_rng().shuffle(&mut table);
[INFO] [stdout]    |                        ^^^^^^^ method not found in `ThreadRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `ThreadRng` in the current scope
[INFO] [stdout]    --> benches/main.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |     rand::thread_rng().shuffle(&mut table);
[INFO] [stdout]     |                        ^^^^^^^ method not found in `ThreadRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `ThreadRng` in the current scope
[INFO] [stdout]    --> benches/main.rs:179:24
[INFO] [stdout]     |
[INFO] [stdout] 179 |     rand::thread_rng().shuffle(&mut table);
[INFO] [stdout]     |                        ^^^^^^^ method not found in `ThreadRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `ThreadRng` in the current scope
[INFO] [stdout]    --> benches/main.rs:202:24
[INFO] [stdout]     |
[INFO] [stdout] 202 |     rand::thread_rng().shuffle(&mut table);
[INFO] [stdout]     |                        ^^^^^^^ method not found in `ThreadRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `ThreadRng` in the current scope
[INFO] [stdout]    --> benches/main.rs:224:24
[INFO] [stdout]     |
[INFO] [stdout] 224 |     rand::thread_rng().shuffle(&mut table);
[INFO] [stdout]     |                        ^^^^^^^ method not found in `ThreadRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wigner-symbols`
[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" "615b09ae12ec550761b938d7e9066af0196fb7b32373f5318429003124d72008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615b09ae12ec550761b938d7e9066af0196fb7b32373f5318429003124d72008", kill_on_drop: false }`
[INFO] [stdout] 615b09ae12ec550761b938d7e9066af0196fb7b32373f5318429003124d72008