[INFO] fetching crate rouille 3.1.1...
[INFO] checking rouille-3.1.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate rouille 3.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rouille 3.1.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rouille 3.1.1
[INFO] finished tweaking crates.io crate rouille 3.1.1
[INFO] tweaked toml for crates.io crate rouille 3.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rouille 3.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tiny_http v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad4d0d798f5a34c3a14adc706a54aa768da15250c51e59f0ee5e68357fe963a0
[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" "ad4d0d798f5a34c3a14adc706a54aa768da15250c51e59f0ee5e68357fe963a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad4d0d798f5a34c3a14adc706a54aa768da15250c51e59f0ee5e68357fe963a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4d0d798f5a34c3a14adc706a54aa768da15250c51e59f0ee5e68357fe963a0", kill_on_drop: false }`
[INFO] [stdout] ad4d0d798f5a34c3a14adc706a54aa768da15250c51e59f0ee5e68357fe963a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 556a87d0bd45bbbbbea8dc79a1e0750db3d8b2e2a1f5ed410860a32edcc58afc
[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" "556a87d0bd45bbbbbea8dc79a1e0750db3d8b2e2a1f5ed410860a32edcc58afc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling brotli-sys v0.3.2
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[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]     Checking generic-array v0.9.1
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[INFO] [stderr]     Checking rand v0.3.23
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[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking postgres-protocol v0.3.2
[INFO] [stderr]     Checking tiny_http v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking postgres-shared v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking postgres v0.15.2
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking rouille v3.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/input/accept.rs:159:28
[INFO] [stdout]     |
[INFO] [stdout] 159 |             "image/gif" => { 5 },
[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 function argument
[INFO] [stdout]    --> src/input/accept.rs:174:28
[INFO] [stdout]     |
[INFO] [stdout] 174 |             "image/gif" => { 5 },
[INFO] [stdout]     |                            ^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/router.rs:428:42
[INFO] [stdout]     |
[INFO] [stdout] 428 |             (GET) ["/math/{a}/plus/{b}", a: u32 , b: u32] => { 7. },
[INFO] [stdout]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/router.rs:428:51
[INFO] [stdout]     |
[INFO] [stdout] 428 |             (GET) ["/math/{a}/plus/{b}", a: u32 , b: u32] => { 7. },
[INFO] [stdout]     |                                                   ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/router.rs:556:37
[INFO] [stdout]     |
[INFO] [stdout] 556 |             (GET) ["/hello/{name}", name: String, id: u32] => { 1 }, // this should fail
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/router.rs:556:51
[INFO] [stdout]     |
[INFO] [stdout] 556 |             (GET) ["/hello/{name}", name: String, id: u32] => { 1 }, // this should fail
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> examples/hello-world.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         router!(request,
[INFO] [stdout] 32 | |             (GET) (/) => {
[INFO] [stdout] 33 | |                 // If the request's URL is `/`, we jump here.
[INFO] [stdout] 34 | |                 // This block builds a `Response` object that redirects to the `/hello/world`.
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |                 panic!("Oops!")
[INFO] [stdout]    | |                 --------------- any code following this expression is unreachable
[INFO] [stdout] ...  |
[INFO] [stdout] 81 | |             _ => rouille::Response::empty_404()
[INFO] [stdout] 82 | |         )
[INFO] [stdout]    | |_________^ unreachable call
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> examples/login-session.rs:93:5
[INFO] [stdout]     |
[INFO] [stdout] 93  | /     router!(request,
[INFO] [stdout] 94  | |         (POST) (/login) => {
[INFO] [stdout] 95  | |             // This is the route that is called when the user wants to log in.
[INFO] [stdout] 96  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |                 return Response::redirect_303("/");
[INFO] [stdout]     | |                 ---------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |         _ => ()
[INFO] [stdout] 144 | |     );
[INFO] [stdout]     | |______^ unreachable call
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> examples/login-session.rs:93:5
[INFO] [stdout]     |
[INFO] [stdout] 93  | /     router!(request,
[INFO] [stdout] 94  | |         (POST) (/login) => {
[INFO] [stdout] 95  | |             // This is the route that is called when the user wants to log in.
[INFO] [stdout] 96  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 143 | |         _ => ()
[INFO] [stdout] 144 | |     );
[INFO] [stdout]     | |      ^
[INFO] [stdout]     | |      |
[INFO] [stdout]     | |______unreachable call
[INFO] [stdout]     |        any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.05s
[INFO] running `Command { std: "docker" "inspect" "556a87d0bd45bbbbbea8dc79a1e0750db3d8b2e2a1f5ed410860a32edcc58afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556a87d0bd45bbbbbea8dc79a1e0750db3d8b2e2a1f5ed410860a32edcc58afc", kill_on_drop: false }`
[INFO] [stdout] 556a87d0bd45bbbbbea8dc79a1e0750db3d8b2e2a1f5ed410860a32edcc58afc