[INFO] cloning repository https://github.com/SHoltzen/rs-perm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SHoltzen/rs-perm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSHoltzen%2Frs-perm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSHoltzen%2Frs-perm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70a9c857f2bc023e2bdae27c9cfafcd2d239c21f
[INFO] testing SHoltzen/rs-perm against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSHoltzen%2Frs-perm" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SHoltzen/rs-perm on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SHoltzen/rs-perm
[INFO] finished tweaking git repo https://github.com/SHoltzen/rs-perm
[INFO] tweaked toml for git repo https://github.com/SHoltzen/rs-perm written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SHoltzen/rs-perm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 664f7a2c7ff9cd3d60d3ff40092bd8c27aba9dd3c0de1b598d15a1dfd62bb6ff
[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" "664f7a2c7ff9cd3d60d3ff40092bd8c27aba9dd3c0de1b598d15a1dfd62bb6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "664f7a2c7ff9cd3d60d3ff40092bd8c27aba9dd3c0de1b598d15a1dfd62bb6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664f7a2c7ff9cd3d60d3ff40092bd8c27aba9dd3c0de1b598d15a1dfd62bb6ff", kill_on_drop: false }`
[INFO] [stdout] 664f7a2c7ff9cd3d60d3ff40092bd8c27aba9dd3c0de1b598d15a1dfd62bb6ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62e0ababdcd25b0034277b92d91615b808ea87a358a61f54618cc029988b4646
[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" "62e0ababdcd25b0034277b92d91615b808ea87a358a61f54618cc029988b4646", kill_on_drop: false }`
[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 rs-perm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `perm::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use perm::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/group.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     id: Perm,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_gen`
[INFO] [stdout]    --> src/group.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn add_gen(&mut self, g: &'a Perm) -> () {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `chooseR` should have a snake case name
[INFO] [stdout]   --> src/group.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let chooseR : bool = self.rng.gen_bool(0.5);
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `choose_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "62e0ababdcd25b0034277b92d91615b808ea87a358a61f54618cc029988b4646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e0ababdcd25b0034277b92d91615b808ea87a358a61f54618cc029988b4646", kill_on_drop: false }`
[INFO] [stdout] 62e0ababdcd25b0034277b92d91615b808ea87a358a61f54618cc029988b4646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2821feba4936015478e256351709c7bb7c54eba73097367cd06bf6dced385a7d
[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" "2821feba4936015478e256351709c7bb7c54eba73097367cd06bf6dced385a7d", 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] [stderr]    Compiling rs-perm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `perm::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use perm::*;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]  --> src/group.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     id: Perm,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_gen`
[INFO] [stdout]    --> src/group.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn add_gen(&mut self, g: &'a Perm) -> () {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `chooseR` should have a snake case name
[INFO] [stdout]   --> src/group.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let chooseR : bool = self.rng.gen_bool(0.5);
[INFO] [stdout]    |             ^^^^^^^ help: convert the identifier to snake case: `choose_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "2821feba4936015478e256351709c7bb7c54eba73097367cd06bf6dced385a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2821feba4936015478e256351709c7bb7c54eba73097367cd06bf6dced385a7d", kill_on_drop: false }`
[INFO] [stdout] 2821feba4936015478e256351709c7bb7c54eba73097367cd06bf6dced385a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29eef699ff11e15e005a8147fb3bf0327b51f5ad2147b6ac419b58ae5e61672d
[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" "29eef699ff11e15e005a8147fb3bf0327b51f5ad2147b6ac419b58ae5e61672d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `perm::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use perm::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]  --> src/group.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     id: Perm,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_gen`
[INFO] [stderr]    --> src/group.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn add_gen(&mut self, g: &'a Perm) -> () {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `chooseR` should have a snake case name
[INFO] [stderr]   --> src/group.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let chooseR : bool = self.rng.gen_bool(0.5);
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `choose_r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-perm` (bin "rs-perm" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_perm-ae7fdb3a38eb673d)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test group::test_orb_symmetric ... ok
[INFO] [stdout] test group::test_strip ... ok
[INFO] [stdout] test group::test_repr ... ok
[INFO] [stdout] test perm::compose_test ... ok
[INFO] [stdout] test group::test_orb_cyclic ... ok
[INFO] [stdout] test group::test_size ... ok
[INFO] [stdout] test perm::inv_test ... ok
[INFO] [stdout] test group::test_schreier ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29eef699ff11e15e005a8147fb3bf0327b51f5ad2147b6ac419b58ae5e61672d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29eef699ff11e15e005a8147fb3bf0327b51f5ad2147b6ac419b58ae5e61672d", kill_on_drop: false }`
[INFO] [stdout] 29eef699ff11e15e005a8147fb3bf0327b51f5ad2147b6ac419b58ae5e61672d