[INFO] fetching crate generic_regex 0.1.0...
[INFO] checking generic_regex-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate generic_regex 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate generic_regex 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate generic_regex 0.1.0
[INFO] finished tweaking crates.io crate generic_regex 0.1.0
[INFO] tweaked toml for crates.io crate generic_regex 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 6d1a0c6f9701ccb9c5136a6d26db45b246d46885fdd3f31d149779e6628fe885
[INFO] running `"docker" "start" "-a" "6d1a0c6f9701ccb9c5136a6d26db45b246d46885fdd3f31d149779e6628fe885"`
[INFO] [stderr]     Checking generic_regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:182:35
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn to_string(&self, t_to_string:&Fn(&T)->String )->String
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T)->String`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:299:29
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub fn map<U:Ord>(&self,f:&Fn(&T)->U) -> RegEx<U>
[INFO] [stderr]     |                                ^^^^^^^^^ help: use `dyn`: `dyn Fn(&T)->U`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:751:18
[INFO] [stderr]     |
[INFO] [stderr] 751 |     transition: &'a Fn(usize,T)->(usize,Action),//to what state it moves
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize,T)->(usize,Action)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:182:35
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn to_string(&self, t_to_string:&Fn(&T)->String )->String
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T)->String`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:299:29
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub fn map<U:Ord>(&self,f:&Fn(&T)->U) -> RegEx<U>
[INFO] [stderr]     |                                ^^^^^^^^^ help: use `dyn`: `dyn Fn(&T)->U`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:751:18
[INFO] [stderr]     |
[INFO] [stderr] 751 |     transition: &'a Fn(usize,T)->(usize,Action),//to what state it moves
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize,T)->(usize,Action)`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 let mut w:Vec<RegEx<T>>=v.iter().map(|e|e.normal_form()).filter(|e|*e!=EmptyString).collect();
[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:154:9
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 let mut w:Vec<RegEx<T>>=v.iter().map(|e|e.normal_form()).filter(|e|*e!=EmptyString).collect();
[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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "6d1a0c6f9701ccb9c5136a6d26db45b246d46885fdd3f31d149779e6628fe885"`
[INFO] running `"docker" "rm" "-f" "6d1a0c6f9701ccb9c5136a6d26db45b246d46885fdd3f31d149779e6628fe885"`
[INFO] [stdout] 6d1a0c6f9701ccb9c5136a6d26db45b246d46885fdd3f31d149779e6628fe885