[INFO] fetching crate routerify 1.1.4...
[INFO] checking routerify-1.1.4 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate routerify 1.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate routerify 1.1.4 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate routerify 1.1.4
[INFO] finished tweaking crates.io crate routerify 1.1.4
[INFO] tweaked toml for crates.io crate routerify 1.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate routerify 1.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "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] 4d3ad979a9933638b6c6b0c9d5899b7151f32ed9449dc161ccc1629b42f28dc1
[INFO] running `Command { std: "docker" "start" "-a" "4d3ad979a9933638b6c6b0c9d5899b7151f32ed9449dc161ccc1629b42f28dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3ad979a9933638b6c6b0c9d5899b7151f32ed9449dc161ccc1629b42f28dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3ad979a9933638b6c6b0c9d5899b7151f32ed9449dc161ccc1629b42f28dc1", kill_on_drop: false }`
[INFO] [stdout] 4d3ad979a9933638b6c6b0c9d5899b7151f32ed9449dc161ccc1629b42f28dc1
[INFO] running `Command { std: "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" "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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2803a18af6263a12b9f6051805f41a954e78149c0c0f598df6277db49119f852
[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" "2803a18af6263a12b9f6051805f41a954e78149c0c0f598df6277db49119f852", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[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 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking routerify v1.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/regex_generator/mod.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 |     static ref PATH_PARAMS_RE: Regex = { Regex::new(r"(?s)(?::([^/]+))|(?:\*)").unwrap() };
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/regex_generator/mod.rs:6:40
[INFO] [stdout]   |
[INFO] [stdout] 6 |     static ref PATH_PARAMS_RE: Regex = { Regex::new(r"(?s)(?::([^/]+))|(?:\*)").unwrap() };
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> examples/test2.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::Mutex`
[INFO] [stdout]  --> examples/test2.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `req`
[INFO] [stdout]   --> examples/test-with-heavy-loads.rs:17:60
[INFO] [stdout]    |
[INFO] [stdout] 17 |         builder = builder.get(format!("/abc-{}", i), move |req| async move {
[INFO] [stdout]    |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.34s
[INFO] running `Command { std: "docker" "inspect" "2803a18af6263a12b9f6051805f41a954e78149c0c0f598df6277db49119f852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2803a18af6263a12b9f6051805f41a954e78149c0c0f598df6277db49119f852", kill_on_drop: false }`
[INFO] [stdout] 2803a18af6263a12b9f6051805f41a954e78149c0c0f598df6277db49119f852