[INFO] cloning repository https://github.com/sbwtw/regex-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbwtw/regex-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbwtw%2Fregex-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbwtw%2Fregex-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a703acd1984705229cb1706a2ebcaaa37ed9bf1e
[INFO] testing sbwtw/regex-gen against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbwtw%2Fregex-gen" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbwtw/regex-gen on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sbwtw/regex-gen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 620f803108364954b54eb86a408c016970a0f756522e099b82c6fd5cb6e92c52
[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" "620f803108364954b54eb86a408c016970a0f756522e099b82c6fd5cb6e92c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "620f803108364954b54eb86a408c016970a0f756522e099b82c6fd5cb6e92c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620f803108364954b54eb86a408c016970a0f756522e099b82c6fd5cb6e92c52", kill_on_drop: false }`
[INFO] [stdout] 620f803108364954b54eb86a408c016970a0f756522e099b82c6fd5cb6e92c52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0c270b10bdf57a349b822dcd2e778033fe4ed41d0b6e0c226d06bdd41df2960
[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" "c0c270b10bdf57a349b822dcd2e778033fe4ed41d0b6e0c226d06bdd41df2960", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transtable.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         for (_, mut edges) in self.trans.iter_mut() {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "c0c270b10bdf57a349b822dcd2e778033fe4ed41d0b6e0c226d06bdd41df2960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c270b10bdf57a349b822dcd2e778033fe4ed41d0b6e0c226d06bdd41df2960", kill_on_drop: false }`
[INFO] [stdout] c0c270b10bdf57a349b822dcd2e778033fe4ed41d0b6e0c226d06bdd41df2960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b0ad3e8c4966ef28b9b3d505eb978ec80d9c2a09075f79a54814cc0f3260fa
[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" "17b0ad3e8c4966ef28b9b3d505eb978ec80d9c2a09075f79a54814cc0f3260fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transtable.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         for (_, mut edges) in self.trans.iter_mut() {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/transtable.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         for (_, mut edges) in self.trans.iter_mut() {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "17b0ad3e8c4966ef28b9b3d505eb978ec80d9c2a09075f79a54814cc0f3260fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b0ad3e8c4966ef28b9b3d505eb978ec80d9c2a09075f79a54814cc0f3260fa", kill_on_drop: false }`
[INFO] [stdout] 17b0ad3e8c4966ef28b9b3d505eb978ec80d9c2a09075f79a54814cc0f3260fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f44f3fb96ffe524403d73833f4f654c991d118be304bd86d9b2993a6934b6dd
[INFO] running `Command { std: "docker" "start" "-a" "5f44f3fb96ffe524403d73833f4f654c991d118be304bd86d9b2993a6934b6dd", kill_on_drop: false }`
[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: `regex-gen` (lib) generated 1 warning
[INFO] [stderr] warning: `regex-gen` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/regex_gen-6269fbcf862f5c5a)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test node::test::test_edge_intersect ... ok
[INFO] [stdout] test transtable::test::test_epsilon_move ... 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_parse ... ok
[INFO] [stdout] test regex_gen::test::test_print_graph ... ok
[INFO] [stdout] test dot_graph::test::test_dot_graph ... ok
[INFO] [stdout] test execute_engine::test::test_execute_engine ... 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; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f44f3fb96ffe524403d73833f4f654c991d118be304bd86d9b2993a6934b6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f44f3fb96ffe524403d73833f4f654c991d118be304bd86d9b2993a6934b6dd", kill_on_drop: false }`
[INFO] [stdout] 5f44f3fb96ffe524403d73833f4f654c991d118be304bd86d9b2993a6934b6dd