[INFO] fetching crate routerify 1.1.1...
[INFO] checking routerify-1.1.1 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate routerify 1.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate routerify 1.1.1 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate routerify 1.1.1
[INFO] finished tweaking crates.io crate routerify 1.1.1
[INFO] tweaked toml for crates.io crate routerify 1.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate routerify 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 1507b63dd0865d382d343524b8b64860e022b37ed7361d7a30370b539bcf12cb
[INFO] running `"docker" "start" "-a" "1507b63dd0865d382d343524b8b64860e022b37ed7361d7a30370b539bcf12cb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.10
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking pin-project v0.4.10
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking async-pipe v0.1.3
[INFO] [stderr]     Checking stream-body v0.1.1
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking routerify v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]  --> src/regex_generator/mod.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 |     static ref PATH_PARAMS_RE: Regex = { Regex::new(r"(?s)(?::([^/]+))|(?:\*)").unwrap() };
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]  --> src/regex_generator/mod.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 |     static ref PATH_PARAMS_RE: Regex = { Regex::new(r"(?s)(?::([^/]+))|(?:\*)").unwrap() };
[INFO] [stderr]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> examples/test-with-heavy-loads.rs:17:60
[INFO] [stderr]    |
[INFO] [stderr] 17 |         builder = builder.get(format!("/abc-{}", i), move |req| async move {
[INFO] [stderr]    |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> examples/test.rs:46:24
[INFO] [stderr]    |
[INFO] [stderr] 46 |         .get("/ping", |req| async move {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]    --> examples/test.rs:123:20
[INFO] [stderr]     |
[INFO] [stderr] 123 |         .get("/", |req| async move { Err(routerify::Error::new("Hey error")) })
[INFO] [stderr]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> examples/test.rs:125:23
[INFO] [stderr]     |
[INFO] [stderr] 125 |         .err_handler(|err| async move {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `router_explore`
[INFO] [stderr]  --> examples/test.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn router_explore() -> Router<Body, routerify::Error> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `router_gallery`
[INFO] [stderr]   --> examples/test.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn router_gallery() -> Router<Body, routerify::Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `router_v1`
[INFO] [stderr]   --> examples/test.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn router_v1() -> Router<Body, routerify::Error> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `router_api`
[INFO] [stderr]   --> examples/test.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn router_api() -> Router<Body, routerify::Error> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.02s
[INFO] running `"docker" "inspect" "1507b63dd0865d382d343524b8b64860e022b37ed7361d7a30370b539bcf12cb"`
[INFO] running `"docker" "rm" "-f" "1507b63dd0865d382d343524b8b64860e022b37ed7361d7a30370b539bcf12cb"`
[INFO] [stdout] 1507b63dd0865d382d343524b8b64860e022b37ed7361d7a30370b539bcf12cb