[INFO] cloning repository https://github.com/ComplexPlane/strand_match
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ComplexPlane/strand_match" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FComplexPlane%2Fstrand_match", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FComplexPlane%2Fstrand_match'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 739b235916ae7e8bca9d343089945cc26623b234
[INFO] checking ComplexPlane/strand_match against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FComplexPlane%2Fstrand_match" "/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/ComplexPlane/strand_match on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ComplexPlane/strand_match
[INFO] finished tweaking git repo https://github.com/ComplexPlane/strand_match
[INFO] tweaked toml for git repo https://github.com/ComplexPlane/strand_match written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ComplexPlane/strand_match already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e71c92935cf4d040c13cbcd0f0b2ca63d69e6924d51949d4de3f6a249a156b7
[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" "1e71c92935cf4d040c13cbcd0f0b2ca63d69e6924d51949d4de3f6a249a156b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e71c92935cf4d040c13cbcd0f0b2ca63d69e6924d51949d4de3f6a249a156b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e71c92935cf4d040c13cbcd0f0b2ca63d69e6924d51949d4de3f6a249a156b7", kill_on_drop: false }`
[INFO] [stdout] 1e71c92935cf4d040c13cbcd0f0b2ca63d69e6924d51949d4de3f6a249a156b7
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02a5cff0fb21684019e5ca3cb2653df4e1f71472db6f41d0e79f56143c59d126
[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" "02a5cff0fb21684019e5ca3cb2653df4e1f71472db6f41d0e79f56143c59d126", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking xmlparser v0.10.0
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking roxmltree v0.7.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking strand_match v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::result::Result<u32, failure::Error>`
[INFO] [stdout]   --> src/util.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         assert_eq!(parse_u32_hex("0x52ac0"), Some(338624));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         std::result::Result<u32, failure::Error>
[INFO] [stdout]    |         std::option::Option<{integer}>
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::result::Result<u32, failure::Error>`
[INFO] [stdout]   --> src/util.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         assert_eq!(parse_u32_hex("0X52ac0"), Some(338624));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         std::result::Result<u32, failure::Error>
[INFO] [stdout]    |         std::option::Option<{integer}>
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::result::Result<u32, failure::Error>`
[INFO] [stdout]   --> src/util.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         assert_eq!(parse_u32_hex("42"), Some(66));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         std::result::Result<u32, failure::Error>
[INFO] [stdout]    |         std::option::Option<{integer}>
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a 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 E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strand_match`.
[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] [stdout] warning: associated function is never used: `debug_export`
[INFO] [stdout]   --> src/function.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn debug_export(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "02a5cff0fb21684019e5ca3cb2653df4e1f71472db6f41d0e79f56143c59d126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a5cff0fb21684019e5ca3cb2653df4e1f71472db6f41d0e79f56143c59d126", kill_on_drop: false }`
[INFO] [stdout] 02a5cff0fb21684019e5ca3cb2653df4e1f71472db6f41d0e79f56143c59d126
