[INFO] fetching crate refraction 0.1.2...
[INFO] testing refraction-0.1.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate refraction 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate refraction 0.1.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate refraction 0.1.2
[INFO] finished tweaking crates.io crate refraction 0.1.2
[INFO] tweaked toml for crates.io crate refraction 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] cc50f441f36f55a625bcfbc5deb16143c5d73f03c806bcd71ffb79280eefe13c
[INFO] running `Command { std: "docker" "start" "-a" "cc50f441f36f55a625bcfbc5deb16143c5d73f03c806bcd71ffb79280eefe13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc50f441f36f55a625bcfbc5deb16143c5d73f03c806bcd71ffb79280eefe13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc50f441f36f55a625bcfbc5deb16143c5d73f03c806bcd71ffb79280eefe13c", kill_on_drop: false }`
[INFO] [stdout] cc50f441f36f55a625bcfbc5deb16143c5d73f03c806bcd71ffb79280eefe13c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65e0ca1e43aadec21aeedd296a04854b3782bf716e8f3930b0ae9519a5fb9a46
[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" "65e0ca1e43aadec21aeedd296a04854b3782bf716e8f3930b0ae9519a5fb9a46", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling refraction v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:55
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:29
[INFO] [stdout]    |
[INFO] [stdout] 79 |     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |     phantom_tt: PhantomData<Fn(T) -> T>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/partial_lens.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:227:29
[INFO] [stdout]     |
[INFO] [stdout] 227 |     phantom_ua: PhantomData<Fn(()) -> A>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(()) -> A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:228:29
[INFO] [stdout]     |
[INFO] [stdout] 228 |     phantom_bu: PhantomData<Fn(B) -> ()>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(B) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:332:29
[INFO] [stdout]     |
[INFO] [stdout] 332 |     phantom_su: PhantomData<Fn(S) -> ()>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:333:29
[INFO] [stdout]     |
[INFO] [stdout] 333 |     phantom_us: PhantomData<Fn(()) -> S>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(()) -> S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     phantom_sa: PhantomData<Fn(S) -> A>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     phantom_bt: PhantomData<Fn(B) -> T>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(B) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:197:29
[INFO] [stdout]     |
[INFO] [stdout] 197 |     phantom_sa: PhantomData<Fn(&'a S) -> &'a A>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a S) -> &'a A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:198:29
[INFO] [stdout]     |
[INFO] [stdout] 198 |     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a B) -> &'a T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:384:29
[INFO] [stdout]     |
[INFO] [stdout] 384 |     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut A>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a mut S) -> &'a mut A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:385:29
[INFO] [stdout]     |
[INFO] [stdout] 385 |     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a mut B) -> &'a mut T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "65e0ca1e43aadec21aeedd296a04854b3782bf716e8f3930b0ae9519a5fb9a46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e0ca1e43aadec21aeedd296a04854b3782bf716e8f3930b0ae9519a5fb9a46", kill_on_drop: false }`
[INFO] [stdout] 65e0ca1e43aadec21aeedd296a04854b3782bf716e8f3930b0ae9519a5fb9a46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47ed69baf0f14cd9a92b6534d255c18be2a41d47f22f84c2656dcb4411ea17bc
[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" "47ed69baf0f14cd9a92b6534d255c18be2a41d47f22f84c2656dcb4411ea17bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling refraction v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:55
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:29
[INFO] [stdout]    |
[INFO] [stdout] 79 |     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |     phantom_tt: PhantomData<Fn(T) -> T>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/partial_lens.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:227:29
[INFO] [stdout]     |
[INFO] [stdout] 227 |     phantom_ua: PhantomData<Fn(()) -> A>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(()) -> A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:228:29
[INFO] [stdout]     |
[INFO] [stdout] 228 |     phantom_bu: PhantomData<Fn(B) -> ()>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(B) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:332:29
[INFO] [stdout]     |
[INFO] [stdout] 332 |     phantom_su: PhantomData<Fn(S) -> ()>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:333:29
[INFO] [stdout]     |
[INFO] [stdout] 333 |     phantom_us: PhantomData<Fn(()) -> S>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(()) -> S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     phantom_sa: PhantomData<Fn(S) -> A>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     phantom_bt: PhantomData<Fn(B) -> T>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(B) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:197:29
[INFO] [stdout]     |
[INFO] [stdout] 197 |     phantom_sa: PhantomData<Fn(&'a S) -> &'a A>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a S) -> &'a A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:198:29
[INFO] [stdout]     |
[INFO] [stdout] 198 |     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a B) -> &'a T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:384:29
[INFO] [stdout]     |
[INFO] [stdout] 384 |     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut A>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a mut S) -> &'a mut A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:385:29
[INFO] [stdout]     |
[INFO] [stdout] 385 |     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a mut B) -> &'a mut T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:33:55
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:63
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:79:29
[INFO] [stdout]    |
[INFO] [stdout] 79 |     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |     phantom_tt: PhantomData<Fn(T) -> T>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/partial_lens.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:227:29
[INFO] [stdout]     |
[INFO] [stdout] 227 |     phantom_ua: PhantomData<Fn(()) -> A>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(()) -> A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:228:29
[INFO] [stdout]     |
[INFO] [stdout] 228 |     phantom_bu: PhantomData<Fn(B) -> ()>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(B) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:332:29
[INFO] [stdout]     |
[INFO] [stdout] 332 |     phantom_su: PhantomData<Fn(S) -> ()>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> ()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/terminal.rs:333:29
[INFO] [stdout]     |
[INFO] [stdout] 333 |     phantom_us: PhantomData<Fn(()) -> S>,
[INFO] [stdout]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(()) -> S`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     phantom_sa: PhantomData<Fn(S) -> A>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/conv.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     phantom_bt: PhantomData<Fn(B) -> T>,
[INFO] [stdout]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(B) -> T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:197:29
[INFO] [stdout]     |
[INFO] [stdout] 197 |     phantom_sa: PhantomData<Fn(&'a S) -> &'a A>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a S) -> &'a A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:198:29
[INFO] [stdout]     |
[INFO] [stdout] 198 |     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a B) -> &'a T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:384:29
[INFO] [stdout]     |
[INFO] [stdout] 384 |     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut A>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a mut S) -> &'a mut A`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/conv.rs:385:29
[INFO] [stdout]     |
[INFO] [stdout] 385 |     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a mut B) -> &'a mut T`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ops.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         $crate::std::mem::uninitialized()
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |         let l = field_lens!(TestOuter => test_field.0: String);
[INFO] [stdout]     |                 ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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: the type `std::string::String` does not permit being left uninitialized
[INFO] [stdout]    --> src/ops.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |                         $crate::std::mem::uninitialized()
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this code causes undefined behavior when executed
[INFO] [stdout]     |                         help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout] ...
[INFO] [stdout] 189 |         let l = field_lens!(TestOuter => test_field.0: String);
[INFO] [stdout]     |                 ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: `std::ptr::Unique<u8>` must be non-null (in this struct field)
[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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "47ed69baf0f14cd9a92b6534d255c18be2a41d47f22f84c2656dcb4411ea17bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ed69baf0f14cd9a92b6534d255c18be2a41d47f22f84c2656dcb4411ea17bc", kill_on_drop: false }`
[INFO] [stdout] 47ed69baf0f14cd9a92b6534d255c18be2a41d47f22f84c2656dcb4411ea17bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 916d541f440602491ddf1a74e978aa22c8bc62fbe354e055ad73dd25170e9c6c
[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" "916d541f440602491ddf1a74e978aa22c8bc62fbe354e055ad73dd25170e9c6c", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:33:55
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'a`
[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:33:55
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn once_to_mut<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'a`
[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:40:63
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:40:63
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn once_to_mut_flatten<'a, X, Y, F>(f_once: F) -> Box<FnMut(X) -> Option<Y> + 'a>
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:29
[INFO] [stderr]    |
[INFO] [stderr] 79 |     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> S`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:29
[INFO] [stderr]    |
[INFO] [stderr] 79 |     phantom_ss: PhantomData<Fn(S) -> S>,
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> S`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:29
[INFO] [stderr]    |
[INFO] [stderr] 80 |     phantom_tt: PhantomData<Fn(T) -> T>,
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:29
[INFO] [stderr]    |
[INFO] [stderr] 80 |     phantom_tt: PhantomData<Fn(T) -> T>,
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/partial_lens.rs:3:35
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'l`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/partial_lens.rs:3:35
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub type Injector<'l, X, Y> = Box<FnMut(X) -> Option<Y> + 'l>;
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(X) -> Option<Y> + 'l`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:227:29
[INFO] [stderr]     |
[INFO] [stderr] 227 |     phantom_ua: PhantomData<Fn(()) -> A>,
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(()) -> A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:228:29
[INFO] [stderr]     |
[INFO] [stderr] 228 |     phantom_bu: PhantomData<Fn(B) -> ()>,
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(B) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:332:29
[INFO] [stderr]     |
[INFO] [stderr] 332 |     phantom_su: PhantomData<Fn(S) -> ()>,
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:333:29
[INFO] [stderr]     |
[INFO] [stderr] 333 |     phantom_us: PhantomData<Fn(()) -> S>,
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(()) -> S`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/conv.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |     phantom_sa: PhantomData<Fn(S) -> A>,
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/conv.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 |     phantom_bt: PhantomData<Fn(B) -> T>,
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(B) -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:197:29
[INFO] [stderr]     |
[INFO] [stderr] 197 |     phantom_sa: PhantomData<Fn(&'a S) -> &'a A>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a S) -> &'a A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:198:29
[INFO] [stderr]     |
[INFO] [stderr] 198 |     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a B) -> &'a T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:384:29
[INFO] [stderr]     |
[INFO] [stderr] 384 |     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut A>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a mut S) -> &'a mut A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:385:29
[INFO] [stderr]     |
[INFO] [stderr] 385 |     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a mut B) -> &'a mut T`
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:227:29
[INFO] [stderr]     |
[INFO] [stderr] 227 |     phantom_ua: PhantomData<Fn(()) -> A>,
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(()) -> A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:228:29
[INFO] [stderr]     |
[INFO] [stderr] 228 |     phantom_bu: PhantomData<Fn(B) -> ()>,
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(B) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:332:29
[INFO] [stderr]     |
[INFO] [stderr] 332 |     phantom_su: PhantomData<Fn(S) -> ()>,
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> ()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/terminal.rs:333:29
[INFO] [stderr]     |
[INFO] [stderr] 333 |     phantom_us: PhantomData<Fn(()) -> S>,
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(()) -> S`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/conv.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |     phantom_sa: PhantomData<Fn(S) -> A>,
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/conv.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 |     phantom_bt: PhantomData<Fn(B) -> T>,
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn(B) -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:197:29
[INFO] [stderr]     |
[INFO] [stderr] 197 |     phantom_sa: PhantomData<Fn(&'a S) -> &'a A>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a S) -> &'a A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:198:29
[INFO] [stderr]     |
[INFO] [stderr] 198 |     phantom_bt: PhantomData<Fn(&'a B) -> &'a T>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a B) -> &'a T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:384:29
[INFO] [stderr]     |
[INFO] [stderr] 384 |     phantom_sa: PhantomData<Fn(&'a mut S) -> &'a mut A>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a mut S) -> &'a mut A`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/conv.rs:385:29
[INFO] [stderr]     |
[INFO] [stderr] 385 |     phantom_bt: PhantomData<Fn(&'a mut B) -> &'a mut T>,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&'a mut B) -> &'a mut T`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/ops.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |                         $crate::std::mem::uninitialized()
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |         let l = field_lens!(TestOuter => test_field.0: String);
[INFO] [stderr]     |                 ---------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: the type `std::string::String` does not permit being left uninitialized
[INFO] [stderr]    --> src/ops.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |                         $crate::std::mem::uninitialized()
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this code causes undefined behavior when executed
[INFO] [stderr]     |                         help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr] ...
[INFO] [stderr] 189 |         let l = field_lens!(TestOuter => test_field.0: String);
[INFO] [stderr]     |                 ---------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: `std::ptr::Unique<u8>` must be non-null (in this struct field)
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/refraction-53f39457eb5cc85e
[INFO] [stdout] test ops::test::test_field_lens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests refraction
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "916d541f440602491ddf1a74e978aa22c8bc62fbe354e055ad73dd25170e9c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916d541f440602491ddf1a74e978aa22c8bc62fbe354e055ad73dd25170e9c6c", kill_on_drop: false }`
[INFO] [stdout] 916d541f440602491ddf1a74e978aa22c8bc62fbe354e055ad73dd25170e9c6c