[INFO] updating cached repository https://github.com/sbwtw/regex-gen
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a703acd1984705229cb1706a2ebcaaa37ed9bf1e
[INFO] testing sbwtw/regex-gen against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbwtw%2Fregex-gen" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbwtw/regex-gen on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sbwtw/regex-gen
[INFO] finished tweaking git repo https://github.com/sbwtw/regex-gen
[INFO] tweaked toml for git repo https://github.com/sbwtw/regex-gen written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sbwtw/regex-gen already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9686b820a1771aceadbd99ebd06fcf3a93fefb5da9849fe88b1f3c19abda580b
[INFO] running `"docker" "start" "-a" "9686b820a1771aceadbd99ebd06fcf3a93fefb5da9849fe88b1f3c19abda580b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling regex-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transtable.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |         for (_, mut edges) in self.trans.iter_mut() {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `"docker" "inspect" "9686b820a1771aceadbd99ebd06fcf3a93fefb5da9849fe88b1f3c19abda580b"`
[INFO] running `"docker" "rm" "-f" "9686b820a1771aceadbd99ebd06fcf3a93fefb5da9849fe88b1f3c19abda580b"`
[INFO] [stdout] 9686b820a1771aceadbd99ebd06fcf3a93fefb5da9849fe88b1f3c19abda580b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f8c2c748c894070925d97f3bdb1fa7c52e9c786d0a4357054a8a4ac9d70411d
[INFO] running `"docker" "start" "-a" "6f8c2c748c894070925d97f3bdb1fa7c52e9c786d0a4357054a8a4ac9d70411d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling regex-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transtable.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |         for (_, mut edges) in self.trans.iter_mut() {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transtable.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |         for (_, mut edges) in self.trans.iter_mut() {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `"docker" "inspect" "6f8c2c748c894070925d97f3bdb1fa7c52e9c786d0a4357054a8a4ac9d70411d"`
[INFO] running `"docker" "rm" "-f" "6f8c2c748c894070925d97f3bdb1fa7c52e9c786d0a4357054a8a4ac9d70411d"`
[INFO] [stdout] 6f8c2c748c894070925d97f3bdb1fa7c52e9c786d0a4357054a8a4ac9d70411d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8202e8ace88b5c0ae79e90e35346804d72cabb85a1c5c04e4fcfec6761a6db28
[INFO] running `"docker" "start" "-a" "8202e8ace88b5c0ae79e90e35346804d72cabb85a1c5c04e4fcfec6761a6db28"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transtable.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |         for (_, mut edges) in self.trans.iter_mut() {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transtable.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |         for (_, mut edges) in self.trans.iter_mut() {
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/regex_gen-f097146c512853bd
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test node::test::test_edge_intersect ... ok
[INFO] [stdout] test execute_engine::test::test_execute_engine ... ok
[INFO] [stdout] test execute_engine::test::test_execute_not ... ok
[INFO] [stdout] test node::test::test_edge_match_character ... ok
[INFO] [stdout] test regex_gen::test::test_print_graph ... ok
[INFO] [stdout] test regex_gen::test::test_parse ... ok
[INFO] [stdout] test dot_graph::test::test_dot_graph ... ok
[INFO] [stdout] test transtable::test::test_epsilon_move ... ok
[INFO] [stdout] test transtable::test::test_cut_epsilon ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests regex_gen
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8202e8ace88b5c0ae79e90e35346804d72cabb85a1c5c04e4fcfec6761a6db28"`
[INFO] running `"docker" "rm" "-f" "8202e8ace88b5c0ae79e90e35346804d72cabb85a1c5c04e4fcfec6761a6db28"`
[INFO] [stdout] 8202e8ace88b5c0ae79e90e35346804d72cabb85a1c5c04e4fcfec6761a6db28