[INFO] crate outer_cgi 0.2.0 is already in cache
[INFO] testing outer_cgi-0.2.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate outer_cgi 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate outer_cgi 0.2.0 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 outer_cgi 0.2.0
[INFO] finished tweaking crates.io crate outer_cgi 0.2.0
[INFO] tweaked toml for crates.io crate outer_cgi 0.2.0 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 860d5d7301921208d9889174d8e5cc06246012e4410d2b40ff3a92dba57d62be
[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" "860d5d7301921208d9889174d8e5cc06246012e4410d2b40ff3a92dba57d62be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "860d5d7301921208d9889174d8e5cc06246012e4410d2b40ff3a92dba57d62be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860d5d7301921208d9889174d8e5cc06246012e4410d2b40ff3a92dba57d62be", kill_on_drop: false }`
[INFO] [stdout] 860d5d7301921208d9889174d8e5cc06246012e4410d2b40ff3a92dba57d62be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a7fe84e9330b374267966233ded1985af6506204869792d2240134efb18926a
[INFO] running `Command { std: "docker" "start" "-a" "7a7fe84e9330b374267966233ded1985af6506204869792d2240134efb18926a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling crossbeam-channel v0.1.3
[INFO] [stderr]    Compiling ctrlc v3.1.5
[INFO] [stderr]    Compiling outer_cgi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/unix.rs:106:60
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn fix_fds(env: &HashMap<String,String>) -> Option<Box<Listener>> {
[INFO] [stdout]     |                                                            ^^^^^^^^ help: use `dyn`: `dyn Listener`
[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/fcgi.rs:451:22
[INFO] [stdout]     |
[INFO] [stdout] 451 |     where H: Fn(&mut IO, HashMap<String, String>)
[INFO] [stdout]     |                      ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fcgi.rs:479:22
[INFO] [stdout]     |
[INFO] [stdout] 479 |     where H: Fn(&mut IO, HashMap<String, String>) -> io::Result<i32> {
[INFO] [stdout]     |                      ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fcgi.rs:640:28
[INFO] [stdout]     |
[INFO] [stdout] 640 | where H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stdout]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fcgi.rs:636:41
[INFO] [stdout]     |
[INFO] [stdout] 636 | pub fn listen_loop<H>(mut listener: Box<Listener>, handler: H,
[INFO] [stdout]     |                                         ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/options.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn fix_fds(env: &HashMap<String,String>) -> Option<Box<Listener>> {
[INFO] [stdout]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/options.rs:161:53
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn handle_command_line<'a>(handlers: &mut [&mut OptionHandler],
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn OptionHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:223:28
[INFO] [stdout]     |
[INFO] [stdout] 223 |       H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stdout]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:237:28
[INFO] [stdout]     |
[INFO] [stdout] 237 |       H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stdout]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:296:39
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     let listener: Box<Listener> =
[INFO] [stdout]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:121:36
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut b1: [u8; 1] = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:130:40
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut b2: [u8; 3] = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:317:35
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 recvbuf: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:325:31
[INFO] [stdout]     |
[INFO] [stdout] 325 |             sendbuf: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:337:25
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     let mut listener
[INFO] [stdout]     |                         ----^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/unix.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         nix::unistd::close(write_fd).is_ok(); // ignore error
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/unix.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             nix::unistd::close(write_fd).is_ok(); // ignore result
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/unix.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             nix::unistd::close(read_fd).is_ok(); // ignore result
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/fcgi.rs:677:13
[INFO] [stdout]     |
[INFO] [stdout] 677 |             listen_tx.send(to_send).is_ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn handler(io: &mut IO, env: HashMap<String,String>) -> io::Result<i32> {
[INFO] [stdout]    |                     ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.18s
[INFO] running `Command { std: "docker" "inspect" "7a7fe84e9330b374267966233ded1985af6506204869792d2240134efb18926a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7fe84e9330b374267966233ded1985af6506204869792d2240134efb18926a", kill_on_drop: false }`
[INFO] [stdout] 7a7fe84e9330b374267966233ded1985af6506204869792d2240134efb18926a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 37d823345e792832d34f6ea855777e0b0171c40304b4b41e50172d93a161ef20
[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" "37d823345e792832d34f6ea855777e0b0171c40304b4b41e50172d93a161ef20", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/unix.rs:106:60
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn fix_fds(env: &HashMap<String,String>) -> Option<Box<Listener>> {
[INFO] [stdout]     |                                                            ^^^^^^^^ help: use `dyn`: `dyn Listener`
[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/fcgi.rs:451:22
[INFO] [stdout]     |
[INFO] [stdout] 451 |     where H: Fn(&mut IO, HashMap<String, String>)
[INFO] [stdout]     |                      ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fcgi.rs:479:22
[INFO] [stdout]     |
[INFO] [stdout] 479 |     where H: Fn(&mut IO, HashMap<String, String>) -> io::Result<i32> {
[INFO] [stdout]     |                      ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fcgi.rs:640:28
[INFO] [stdout]     |
[INFO] [stdout] 640 | where H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stdout]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fcgi.rs:636:41
[INFO] [stdout]     |
[INFO] [stdout] 636 | pub fn listen_loop<H>(mut listener: Box<Listener>, handler: H,
[INFO] [stdout]     |                                         ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/options.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn fix_fds(env: &HashMap<String,String>) -> Option<Box<Listener>> {
[INFO] [stdout]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/options.rs:161:53
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn handle_command_line<'a>(handlers: &mut [&mut OptionHandler],
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn OptionHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:223:28
[INFO] [stdout]     |
[INFO] [stdout] 223 |       H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stdout]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:237:28
[INFO] [stdout]     |
[INFO] [stdout] 237 |       H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stdout]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:296:39
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     let listener: Box<Listener> =
[INFO] [stdout]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:121:36
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut b1: [u8; 1] = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:130:40
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut b2: [u8; 3] = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:317:35
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 recvbuf: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:325:31
[INFO] [stdout]     |
[INFO] [stdout] 325 |             sendbuf: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:337:25
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     let mut listener
[INFO] [stdout]     |                         ----^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/unix.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         nix::unistd::close(write_fd).is_ok(); // ignore error
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/unix.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             nix::unistd::close(write_fd).is_ok(); // ignore result
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/unix.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             nix::unistd::close(read_fd).is_ok(); // ignore result
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/fcgi.rs:677:13
[INFO] [stdout]     |
[INFO] [stdout] 677 |             listen_tx.send(to_send).is_ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling outer_cgi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn handler(io: &mut IO, env: HashMap<String,String>) -> io::Result<i32> {
[INFO] [stdout]    |                     ^^ help: use `dyn`: `dyn IO`
[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/unix.rs:106:60
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn fix_fds(env: &HashMap<String,String>) -> Option<Box<Listener>> {
[INFO] [stdout]     |                                                            ^^^^^^^^ help: use `dyn`: `dyn Listener`
[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/fcgi.rs:451:22
[INFO] [stdout]     |
[INFO] [stdout] 451 |     where H: Fn(&mut IO, HashMap<String, String>)
[INFO] [stdout]     |                      ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fcgi.rs:479:22
[INFO] [stdout]     |
[INFO] [stdout] 479 |     where H: Fn(&mut IO, HashMap<String, String>) -> io::Result<i32> {
[INFO] [stdout]     |                      ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fcgi.rs:640:28
[INFO] [stdout]     |
[INFO] [stdout] 640 | where H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stdout]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/fcgi.rs:636:41
[INFO] [stdout]     |
[INFO] [stdout] 636 | pub fn listen_loop<H>(mut listener: Box<Listener>, handler: H,
[INFO] [stdout]     |                                         ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/options.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn fix_fds(env: &HashMap<String,String>) -> Option<Box<Listener>> {
[INFO] [stdout]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/options.rs:161:53
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn handle_command_line<'a>(handlers: &mut [&mut OptionHandler],
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn OptionHandler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:223:28
[INFO] [stdout]     |
[INFO] [stdout] 223 |       H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stdout]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:237:28
[INFO] [stdout]     |
[INFO] [stdout] 237 |       H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stdout]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:296:39
[INFO] [stdout]     |
[INFO] [stdout] 296 |                     let listener: Box<Listener> =
[INFO] [stdout]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:121:36
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut b1: [u8; 1] = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:130:40
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut b2: [u8; 3] = unsafe { std::mem::uninitialized() };
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:317:35
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 recvbuf: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/fcgi.rs:325:31
[INFO] [stdout]     |
[INFO] [stdout] 325 |             sendbuf: unsafe { std::mem::uninitialized() },
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:337:25
[INFO] [stdout]     |
[INFO] [stdout] 337 |                     let mut listener
[INFO] [stdout]     |                         ----^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/unix.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         nix::unistd::close(write_fd).is_ok(); // ignore error
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/unix.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             nix::unistd::close(write_fd).is_ok(); // ignore result
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> src/unix.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             nix::unistd::close(read_fd).is_ok(); // ignore result
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/fcgi.rs:677:13
[INFO] [stdout]     |
[INFO] [stdout] 677 |             listen_tx.send(to_send).is_ok();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "37d823345e792832d34f6ea855777e0b0171c40304b4b41e50172d93a161ef20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d823345e792832d34f6ea855777e0b0171c40304b4b41e50172d93a161ef20", kill_on_drop: false }`
[INFO] [stdout] 37d823345e792832d34f6ea855777e0b0171c40304b4b41e50172d93a161ef20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e34a43b6480f591485922181d87aaee197abe89807c487175cb7836255f6f774
[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" "e34a43b6480f591485922181d87aaee197abe89807c487175cb7836255f6f774", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/unix.rs:106:60
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn fix_fds(env: &HashMap<String,String>) -> Option<Box<Listener>> {
[INFO] [stderr]     |                                                            ^^^^^^^^ help: use `dyn`: `dyn Listener`
[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/fcgi.rs:451:22
[INFO] [stderr]     |
[INFO] [stderr] 451 |     where H: Fn(&mut IO, HashMap<String, String>)
[INFO] [stderr]     |                      ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fcgi.rs:479:22
[INFO] [stderr]     |
[INFO] [stderr] 479 |     where H: Fn(&mut IO, HashMap<String, String>) -> io::Result<i32> {
[INFO] [stderr]     |                      ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fcgi.rs:640:28
[INFO] [stderr]     |
[INFO] [stderr] 640 | where H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stderr]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fcgi.rs:636:41
[INFO] [stderr]     |
[INFO] [stderr] 636 | pub fn listen_loop<H>(mut listener: Box<Listener>, handler: H,
[INFO] [stderr]     |                                         ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options.rs:37:60
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn fix_fds(env: &HashMap<String,String>) -> Option<Box<Listener>> {
[INFO] [stderr]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/options.rs:161:53
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn handle_command_line<'a>(handlers: &mut [&mut OptionHandler],
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn OptionHandler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:28
[INFO] [stderr]     |
[INFO] [stderr] 223 |       H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stderr]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/unix.rs:106:60
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub fn fix_fds(env: &HashMap<String,String>) -> Option<Box<Listener>> {
[INFO] [stderr]     |                                                            ^^^^^^^^ help: use `dyn`: `dyn Listener`
[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:237:28
[INFO] [stderr]     |
[INFO] [stderr] 237 |       H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stderr]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fcgi.rs:451:22
[INFO] [stderr]     |
[INFO] [stderr] 451 |     where H: Fn(&mut IO, HashMap<String, String>)
[INFO] [stderr]     |                      ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fcgi.rs:479:22
[INFO] [stderr]     |
[INFO] [stderr] 479 |     where H: Fn(&mut IO, HashMap<String, String>) -> io::Result<i32> {
[INFO] [stderr]     |                      ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:296:39
[INFO] [stderr]     |
[INFO] [stderr] 296 |                     let listener: Box<Listener> =
[INFO] [stderr]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fcgi.rs:640:28
[INFO] [stderr]     |
[INFO] [stderr] 640 | where H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stderr]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fcgi.rs:121:36
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut b1: [u8; 1] = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/fcgi.rs:636:41
[INFO] [stderr]     |
[INFO] [stderr] 636 | pub fn listen_loop<H>(mut listener: Box<Listener>, handler: H,
[INFO] [stderr]     |                                         ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fcgi.rs:130:40
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let mut b2: [u8; 3] = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/options.rs:37:60
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn fix_fds(env: &HashMap<String,String>) -> Option<Box<Listener>> {
[INFO] [stderr]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fcgi.rs:317:35
[INFO] [stderr]     |
[INFO] [stderr] 317 |                 recvbuf: unsafe { std::mem::uninitialized() },
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fcgi.rs:325:31
[INFO] [stderr]     |
[INFO] [stderr] 325 |             sendbuf: unsafe { std::mem::uninitialized() },
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/options.rs:161:53
[INFO] [stderr]     |
[INFO] [stderr] 161 | pub fn handle_command_line<'a>(handlers: &mut [&mut OptionHandler],
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn OptionHandler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:223:28
[INFO] [stderr]     |
[INFO] [stderr] 223 |       H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stderr]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:337:25
[INFO] [stderr]     |
[INFO] [stderr] 337 |                     let mut listener
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:237:28
[INFO] [stderr]     |
[INFO] [stderr] 237 |       H: 'static + Fn(&mut IO, HashMap<String, String>) -> io::Result<i32>
[INFO] [stderr]     |                            ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/unix.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         nix::unistd::close(write_fd).is_ok(); // ignore error
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:296:39
[INFO] [stderr]     |
[INFO] [stderr] 296 |                     let listener: Box<Listener> =
[INFO] [stderr]     |                                       ^^^^^^^^ help: use `dyn`: `dyn Listener`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fcgi.rs:121:36
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut b1: [u8; 1] = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/unix.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             nix::unistd::close(write_fd).is_ok(); // ignore result
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fcgi.rs:130:40
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let mut b2: [u8; 3] = unsafe { std::mem::uninitialized() };
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fcgi.rs:317:35
[INFO] [stderr]     |
[INFO] [stderr] 317 |                 recvbuf: unsafe { std::mem::uninitialized() },
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/unix.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             nix::unistd::close(read_fd).is_ok(); // ignore result
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/fcgi.rs:325:31
[INFO] [stderr]     |
[INFO] [stderr] 325 |             sendbuf: unsafe { std::mem::uninitialized() },
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/fcgi.rs:677:13
[INFO] [stderr]     |
[INFO] [stderr] 677 |             listen_tx.send(to_send).is_ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:337:25
[INFO] [stderr]     |
[INFO] [stderr] 337 |                     let mut listener
[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: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/unix.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         nix::unistd::close(write_fd).is_ok(); // ignore error
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/unix.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             nix::unistd::close(write_fd).is_ok(); // ignore result
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> src/unix.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             nix::unistd::close(read_fd).is_ok(); // ignore result
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/fcgi.rs:677:13
[INFO] [stderr]     |
[INFO] [stderr] 677 |             listen_tx.send(to_send).is_ok();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn handler(io: &mut IO, env: HashMap<String,String>) -> io::Result<i32> {
[INFO] [stderr]    |                     ^^ help: use `dyn`: `dyn IO`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/outer_cgi-7a6244ecccb3d96c
[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] [stderr]      Running /opt/rustwide/target/debug/deps/outer_cgi-471ed9e2913aef8f
[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] [stderr]    Doc-tests outer_cgi
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e34a43b6480f591485922181d87aaee197abe89807c487175cb7836255f6f774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34a43b6480f591485922181d87aaee197abe89807c487175cb7836255f6f774", kill_on_drop: false }`
[INFO] [stdout] e34a43b6480f591485922181d87aaee197abe89807c487175cb7836255f6f774