[INFO] updating cached repository https://github.com/Regan-Koopmans/assign-serv [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2f61d425643c8ef27a1c02328632cbd3fdae5c2c [INFO] checking Regan-Koopmans/assign-serv against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FRegan-Koopmans%2Fassign-serv" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Regan-Koopmans/assign-serv on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Regan-Koopmans/assign-serv [INFO] finished tweaking git repo https://github.com/Regan-Koopmans/assign-serv [INFO] tweaked toml for git repo https://github.com/Regan-Koopmans/assign-serv written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Regan-Koopmans/assign-serv already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1e8ca3ae53e6004b9acc3436d60ba41bfa3c35a2a839f1732c74ca8928a7228e [INFO] running `"docker" "start" "-a" "1e8ca3ae53e6004b9acc3436d60ba41bfa3c35a2a839f1732c74ca8928a7228e"` [INFO] [stderr] Checking json v0.11.6 [INFO] [stderr] Checking urlparse v0.7.3 [INFO] [stderr] Checking idna v0.1.0 (https://github.com/servo/rust-url#7b87128f) [INFO] [stderr] Checking url v1.4.0 (https://github.com/servo/rust-url#7b87128f) [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/cargo-home/git/checkouts/rust-url-3ddac0958e207dae/7b87128/src/form_urlencoded.rs:248:40 [INFO] [stderr] | [INFO] [stderr] 246 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 247 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 248 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking assign-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `param` [INFO] [stderr] --> src/main.rs:170:26 [INFO] [stderr] | [INFO] [stderr] 170 | fn get_data(input: &str, param: &str) -> String { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_param` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `param_line` [INFO] [stderr] --> src/main.rs:243:13 [INFO] [stderr] | [INFO] [stderr] 243 | let mut param_line:Vec<&str>; [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_param_line` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `param` [INFO] [stderr] --> src/main.rs:283:9 [INFO] [stderr] | [INFO] [stderr] 283 | fn edit(param: &Vec<&str>) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_param` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `param` [INFO] [stderr] --> src/main.rs:170:26 [INFO] [stderr] | [INFO] [stderr] 170 | fn get_data(input: &str, param: &str) -> String { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_param` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `param_line` [INFO] [stderr] --> src/main.rs:243:13 [INFO] [stderr] | [INFO] [stderr] 243 | let mut param_line:Vec<&str>; [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_param_line` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `param` [INFO] [stderr] --> src/main.rs:283:9 [INFO] [stderr] | [INFO] [stderr] 283 | fn edit(param: &Vec<&str>) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_param` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:239:9 [INFO] [stderr] | [INFO] [stderr] 239 | let mut file = File::open("dat/regan.json").unwrap(); [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/main.rs:242:9 [INFO] [stderr] | [INFO] [stderr] 242 | let mut parsed = json::parse(&file_string).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:239:9 [INFO] [stderr] | [INFO] [stderr] 239 | let mut file = File::open("dat/regan.json").unwrap(); [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/main.rs:242:9 [INFO] [stderr] | [INFO] [stderr] 242 | let mut parsed = json::parse(&file_string).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.43s [INFO] running `"docker" "inspect" "1e8ca3ae53e6004b9acc3436d60ba41bfa3c35a2a839f1732c74ca8928a7228e"` [INFO] running `"docker" "rm" "-f" "1e8ca3ae53e6004b9acc3436d60ba41bfa3c35a2a839f1732c74ca8928a7228e"` [INFO] [stdout] 1e8ca3ae53e6004b9acc3436d60ba41bfa3c35a2a839f1732c74ca8928a7228e