[INFO] crate route 0.2.0 is already in cache
[INFO] extracting crate route 0.2.0 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/route/0.2.0
[INFO] extracting crate route 0.2.0 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/route/0.2.0
[INFO] validating manifest of route-0.2.0 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of route-0.2.0 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing route-0.2.0
[INFO] finished frobbing route-0.2.0
[INFO] frobbed toml for route-0.2.0 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/route/0.2.0/Cargo.toml
[INFO] started frobbing route-0.2.0
[INFO] finished frobbing route-0.2.0
[INFO] frobbed toml for route-0.2.0 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/route/0.2.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking route-0.2.0 against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/route/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 117ca4235052ba2ad41493ae6b09cfad339e0514614cd26a6d4e70c44d9e9467
[INFO] running `"docker" "start" "-a" "117ca4235052ba2ad41493ae6b09cfad339e0514614cd26a6d4e70c44d9e9467"`
[INFO] [stderr]     Checking route v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `ok` is never read
[INFO] [stderr]   --> src/lib.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut ok = false;
[INFO] [stderr]    |                 ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `p` is never read
[INFO] [stderr]   --> src/lib.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         $p = $end;
[INFO] [stderr]    |         ^^
[INFO] [stderr] ...
[INFO] [stderr] 84 |             seg!(s, p, end, [hello]);
[INFO] [stderr]    |             ------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]    --> src/lib.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |     fn home(req: &Request) -> Response {
[INFO] [stderr]     |             ^^^ help: consider prefixing 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]    --> src/lib.rs:206:18
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn blog_post(req: &Request, id: u32) -> Response {
[INFO] [stderr]     |                  ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]    --> src/lib.rs:210:16
[INFO] [stderr]     |
[INFO] [stderr] 210 |     fn account(req: &Request, subpath: &str) -> Response {
[INFO] [stderr]     |                ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let mut p = 0;
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:61:17
[INFO] [stderr]     |
[INFO] [stderr] 61  |               let mut p = 0;
[INFO] [stderr]     |                   ----^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] ...
[INFO] [stderr] 215 | /         route!(req.path, {
[INFO] [stderr] 216 | |             (/)                 => home(req);
[INFO] [stderr] 217 | |             (/"blog"/[id: u32]) => blog_post(req, id);
[INFO] [stderr] 218 | |             (/"me"[/rest..])    => account(req, rest);
[INFO] [stderr] 219 | |         });
[INFO] [stderr]     | |___________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "117ca4235052ba2ad41493ae6b09cfad339e0514614cd26a6d4e70c44d9e9467"`
[INFO] running `"docker" "rm" "-f" "117ca4235052ba2ad41493ae6b09cfad339e0514614cd26a6d4e70c44d9e9467"`
[INFO] [stdout] 117ca4235052ba2ad41493ae6b09cfad339e0514614cd26a6d4e70c44d9e9467