[INFO] cloning repository https://github.com/xacrimon/nuka
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xacrimon/nuka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxacrimon%2Fnuka"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxacrimon%2Fnuka'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e4676b3dd2cf41414dfa28e62b112d6598a41a04
[INFO] checking xacrimon/nuka against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxacrimon%2Fnuka" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xacrimon/nuka on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/xacrimon/nuka
[INFO] finished tweaking git repo https://github.com/xacrimon/nuka
[INFO] tweaked toml for git repo https://github.com/xacrimon/nuka written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dyn-future v3.0.4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f76f3e29bea20a4731c80156ecc3cbb1d673d215bfdfef6b5ff48589eaa7e8d6
[INFO] running `"docker" "start" "-a" "f76f3e29bea20a4731c80156ecc3cbb1d673d215bfdfef6b5ff48589eaa7e8d6"`
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking dyn-future v3.0.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling enum-display-derive v0.1.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking nuka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/router.rs:44:41
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn matches(&self, segment: &str) -> (Option<Option<String>>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/router.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |     ) -> Option<(HashMap<String, String>)> {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/router.rs:44:41
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn matches(&self, segment: &str) -> (Option<Option<String>>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/router.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |     ) -> Option<(HashMap<String, String>)> {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `"docker" "inspect" "f76f3e29bea20a4731c80156ecc3cbb1d673d215bfdfef6b5ff48589eaa7e8d6"`
[INFO] running `"docker" "rm" "-f" "f76f3e29bea20a4731c80156ecc3cbb1d673d215bfdfef6b5ff48589eaa7e8d6"`
[INFO] [stdout] f76f3e29bea20a4731c80156ecc3cbb1d673d215bfdfef6b5ff48589eaa7e8d6