[INFO] cloning repository https://github.com/NickeZ/rups
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NickeZ/rups" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickeZ%2Frups", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickeZ%2Frups'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e555ecc17dc808ca515dffb2039988b4010b9ad1
[INFO] testing NickeZ/rups against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNickeZ%2Frups" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NickeZ/rups
[INFO] finished tweaking git repo https://github.com/NickeZ/rups
[INFO] tweaked toml for git repo https://github.com/NickeZ/rups written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NickeZ/rups on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NickeZ/rups already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | homepage = "https://github.com/NickeZ/rups"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 33 | name = "rups"
[INFO] [stderr] 34 | repository = "https://github.com/NickeZ/rups"
[INFO] [stderr]    |              --------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `rups` (manifest) generated 2 warnings
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 37d478eeffc075c13c4e50fe9c134dc2aac716a5c838417d195215316737b77b
[INFO] running `Command { std: "docker" "start" "37d478eeffc075c13c4e50fe9c134dc2aac716a5c838417d195215316737b77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d478eeffc075c13c4e50fe9c134dc2aac716a5c838417d195215316737b77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37d478eeffc075c13c4e50fe9c134dc2aac716a5c838417d195215316737b77b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d478eeffc075c13c4e50fe9c134dc2aac716a5c838417d195215316737b77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "37d478eeffc075c13c4e50fe9c134dc2aac716a5c838417d195215316737b77b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | homepage = "https://github.com/NickeZ/rups"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 33 | name = "rups"
[INFO] [stderr] 34 | repository = "https://github.com/NickeZ/rups"
[INFO] [stderr]    |              --------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `rups` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling fd v0.2.3
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling futures-addition v0.1.0 (/opt/rustwide/workdir/futures-addition)
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling rust-telnet v0.0.1 (/opt/rustwide/workdir/rust-telnet)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> rust-telnet/src/codec.rs:157:32
[INFO] [stdout]     |
[INFO] [stdout] 157 |                     command => warn!("unhandled command {:?}", command),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_non_local_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> rust-telnet/src/codec.rs:181:31
[INFO] [stdout]     |
[INFO] [stdout] 181 |                     (_, _) => warn!("unhandled negotiation {:?} {:?}", command, channel),
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling pty v0.1.0 (/opt/rustwide/workdir/pty)
[INFO] [stderr]    Compiling tokio-file-unix v0.4.2
[INFO] [stderr]    Compiling tokio-signal v0.1.4
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> pty/src/lib.rs:209:23
[INFO] [stdout]     |
[INFO] [stdout] 209 |             Ok(()) => trace!("killing sink"),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_non_local_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> pty/src/lib.rs:210:23
[INFO] [stdout]     |
[INFO] [stdout] 210 |             Err(e) => trace!("sink already deallocated {:?}", e),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> pty/src/lib.rs:214:23
[INFO] [stdout]     |
[INFO] [stdout] 214 |             Ok(()) => trace!("killing stream"),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> pty/src/lib.rs:215:23
[INFO] [stdout]     |
[INFO] [stdout] 215 |             Err(e) => trace!("stream already deallocated {:?}", e),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `trace` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rups v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/telnet_server.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |     listeners: Vec<Box<Future<Item = (), Error = io::Error>>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     listeners: Vec<Box<dyn Future<Item = (), Error = io::Error>>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/telnet_server.rs:150:57
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn server(self, handle: reactor::Handle) -> Box<Future<Item = (), Error = ()>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn server(self, handle: reactor::Handle) -> Box<dyn Future<Item = (), Error = ()>> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/child.rs:93:75
[INFO] [stdout]    |
[INFO] [stdout] 93 |             Err(why) => panic!("Couldn't spawn {}: {}", self.args[0], why.description()),
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl u16>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/child.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let mut min_ws = (From::from(u16::max_value()), From::from(u16::max_value()));
[INFO] [stdout]     |                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl u16>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/child.rs:143:73
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let mut min_ws = (From::from(u16::max_value()), From::from(u16::max_value()));
[INFO] [stdout]     |                                                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:175:40
[INFO] [stdout]     |
[INFO] [stdout] 175 |         joins.push(Box::new(hr) as Box<Future<Item = (), Error = ()>>);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 175 |         joins.push(Box::new(hr) as Box<dyn Future<Item = (), Error = ()>>);
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:204:40
[INFO] [stdout]     |
[INFO] [stdout] 204 |         joins.push(Box::new(hw) as Box<Future<Item = (), Error = ()>>);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 204 |         joins.push(Box::new(hw) as Box<dyn Future<Item = (), Error = ()>>);
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:209:50
[INFO] [stdout]     |
[INFO] [stdout] 209 |     joins.push(Box::new(sigchld_handling) as Box<Future<Item = (), Error = ()>>);
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 209 |     joins.push(Box::new(sigchld_handling) as Box<dyn Future<Item = (), Error = ()>>);
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:210:45
[INFO] [stdout]     |
[INFO] [stdout] 210 |     joins.push(Box::new(proc_output) as Box<Future<Item = (), Error = ()>>);
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 210 |     joins.push(Box::new(proc_output) as Box<dyn Future<Item = (), Error = ()>>);
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:216:31
[INFO] [stdout]     |
[INFO] [stdout] 216 |         Box::new(join) as Box<Future<Item = (), Error = ()>>,
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 216 |         Box::new(join) as Box<dyn Future<Item = (), Error = ()>>,
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:217:42
[INFO] [stdout]     |
[INFO] [stdout] 217 |         Box::new(sigint_handling) as Box<Future<Item = (), Error = ()>>,
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 217 |         Box::new(sigint_handling) as Box<dyn Future<Item = (), Error = ()>>,
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `{closure@main.rs:128:18}` to return `()`, but it returns `!`
[INFO] [stdout]    --> src/main.rs:128:22
[INFO] [stdout]     |
[INFO] [stdout] 128 |         .map_err(|_| unimplemented!());
[INFO] [stdout]     |                  --- ^^^^^^^^^^^^^^^^ expected `()`, found `!`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this closure
[INFO] [stdout] ...
[INFO] [stdout] 209 |     joins.push(Box::new(sigchld_handling) as Box<Future<Item = (), Error = ()>>);
[INFO] [stdout]     |                -------------------------- closure used here
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                     found type `!`
[INFO] [stdout]     = note: required for `MapErr<AndThen<Box<_>, _, {closure@...}>, {closure@...}>` to implement `futures::Future`
[INFO] [stdout]     = note: required for the cast from `Box<MapErr<AndThen<Box<_>, _, {closure@...}>, {closure@...}>>` to `Box<dyn futures::Future<Error = (), Item = ()>>`
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/build/rups/3059954eda411c37/out/rups.long-type-2509015435080074468.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `{closure@main.rs:137:18}` to return `()`, but it returns `!`
[INFO] [stdout]    --> src/main.rs:137:22
[INFO] [stdout]     |
[INFO] [stdout] 137 |         .map_err(|_| unimplemented!());
[INFO] [stdout]     |                  --- ^^^^^^^^^^^^^^^^ expected `()`, found `!`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this closure
[INFO] [stdout] ...
[INFO] [stdout] 217 |         Box::new(sigint_handling) as Box<Future<Item = (), Error = ()>>,
[INFO] [stdout]     |         ------------------------- closure used here
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected unit type `()`
[INFO] [stdout]                     found type `!`
[INFO] [stdout]     = note: required for `MapErr<AndThen<Box<_>, _, {closure@...}>, {closure@...}>` to implement `futures::Future`
[INFO] [stdout]     = note: required for the cast from `Box<MapErr<AndThen<Box<_>, _, {closure@...}>, {closure@...}>>` to `Box<dyn futures::Future<Error = (), Item = ()>>`
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/build/rups/3059954eda411c37/out/rups.long-type-4624901763340609868.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rups` (bin "rups") due to 2 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "37d478eeffc075c13c4e50fe9c134dc2aac716a5c838417d195215316737b77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d478eeffc075c13c4e50fe9c134dc2aac716a5c838417d195215316737b77b", kill_on_drop: false }`
[INFO] [stdout] 37d478eeffc075c13c4e50fe9c134dc2aac716a5c838417d195215316737b77b
