[INFO] cloning repository https://github.com/yichaolemon/RegexParser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yichaolemon/RegexParser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyichaolemon%2FRegexParser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyichaolemon%2FRegexParser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ec7d3c5ffd129fbc3486affdbcd1aa13dc7faeb
[INFO] checking yichaolemon/RegexParser against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyichaolemon%2FRegexParser" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yichaolemon/RegexParser on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yichaolemon/RegexParser
[INFO] finished tweaking git repo https://github.com/yichaolemon/RegexParser
[INFO] tweaked toml for git repo https://github.com/yichaolemon/RegexParser written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/yichaolemon/RegexParser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", 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] b9121030b88828af74d1ae40e15cb0ac228045f2c33f85c8837fa30f50450d0c
[INFO] running `Command { std: "docker" "start" "-a" "b9121030b88828af74d1ae40e15cb0ac228045f2c33f85c8837fa30f50450d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9121030b88828af74d1ae40e15cb0ac228045f2c33f85c8837fa30f50450d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9121030b88828af74d1ae40e15cb0ac228045f2c33f85c8837fa30f50450d0c", kill_on_drop: false }`
[INFO] [stdout] b9121030b88828af74d1ae40e15cb0ac228045f2c33f85c8837fa30f50450d0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 852db3674e5abbe1bc77b5e09e96ebf1703689b29209d75d8e55d9eed0d0e6fc
[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" "852db3674e5abbe1bc77b5e09e96ebf1703689b29209d75d8e55d9eed0d0e6fc", kill_on_drop: false }`
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking regex_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: can't compare `DfaTransition` with `DfaTransition`
[INFO] [stdout]    --> src/graph.rs:257:6
[INFO] [stdout]     |
[INFO] [stdout] 257 | impl MathSet for DfaTransition {
[INFO] [stdout]     |      ^^^^^^^ no implementation for `DfaTransition == DfaTransition`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialEq` is not implemented for `DfaTransition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `CharacterClass` with `CharacterClass`
[INFO] [stdout]    --> src/parser.rs:21:24
[INFO] [stdout]     |
[INFO] [stdout] 21  | #[derive(Debug, Clone, Eq)]
[INFO] [stdout]     |                        ^^ no implementation for `CharacterClass == CharacterClass`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialEq` is not implemented for `CharacterClass`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `DfaTransition` with `DfaTransition`
[INFO] [stdout]    --> src/graph.rs:26:24
[INFO] [stdout]     |
[INFO] [stdout] 26  | #[derive(Debug, Clone, Eq)]
[INFO] [stdout]     |                        ^^ no implementation for `DfaTransition == DfaTransition`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialEq` is not implemented for `DfaTransition`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `DfaTransition` with `DfaTransition`
[INFO] [stdout]    --> src/graph.rs:257:6
[INFO] [stdout]     |
[INFO] [stdout] 257 | impl MathSet for DfaTransition {
[INFO] [stdout]     |      ^^^^^^^ no implementation for `DfaTransition == DfaTransition`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialEq` is not implemented for `DfaTransition`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `CharacterClass` with `CharacterClass`
[INFO] [stdout]    --> src/parser.rs:21:24
[INFO] [stdout]     |
[INFO] [stdout] 21  | #[derive(Debug, Clone, Eq)]
[INFO] [stdout]     |                        ^^ no implementation for `CharacterClass == CharacterClass`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialEq` is not implemented for `CharacterClass`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `DfaTransition` with `DfaTransition`
[INFO] [stdout]    --> src/graph.rs:26:24
[INFO] [stdout]     |
[INFO] [stdout] 26  | #[derive(Debug, Clone, Eq)]
[INFO] [stdout]     |                        ^^ no implementation for `DfaTransition == DfaTransition`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `PartialEq` is not implemented for `DfaTransition`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex_parser`
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[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" "852db3674e5abbe1bc77b5e09e96ebf1703689b29209d75d8e55d9eed0d0e6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852db3674e5abbe1bc77b5e09e96ebf1703689b29209d75d8e55d9eed0d0e6fc", kill_on_drop: false }`
[INFO] [stdout] 852db3674e5abbe1bc77b5e09e96ebf1703689b29209d75d8e55d9eed0d0e6fc