[INFO] fetching crate rumpsteak 0.1.0...
[INFO] testing rumpsteak-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rumpsteak 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate rumpsteak 0.1.0
[INFO] finished tweaking crates.io crate rumpsteak 0.1.0
[INFO] tweaked toml for crates.io crate rumpsteak 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rumpsteak 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rumpsteak 0.1.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e16f30e117ddf235d6537255283f72f2963d3dec3480a9a8e2e6a02e76eafde
[INFO] running `Command { std: "docker" "start" "-a" "2e16f30e117ddf235d6537255283f72f2963d3dec3480a9a8e2e6a02e76eafde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e16f30e117ddf235d6537255283f72f2963d3dec3480a9a8e2e6a02e76eafde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e16f30e117ddf235d6537255283f72f2963d3dec3480a9a8e2e6a02e76eafde", kill_on_drop: false }`
[INFO] [stdout] 2e16f30e117ddf235d6537255283f72f2963d3dec3480a9a8e2e6a02e76eafde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff9bcfef4c5468941db85f6748cd3b6c173fc0ba40a4bb19ac3964c450d07bcb
[INFO] running `Command { std: "docker" "start" "-a" "ff9bcfef4c5468941db85f6748cd3b6c173fc0ba40a4bb19ac3964c450d07bcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling rumpsteak-macros v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling rumpsteak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.70s
[INFO] running `Command { std: "docker" "inspect" "ff9bcfef4c5468941db85f6748cd3b6c173fc0ba40a4bb19ac3964c450d07bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9bcfef4c5468941db85f6748cd3b6c173fc0ba40a4bb19ac3964c450d07bcb", kill_on_drop: false }`
[INFO] [stdout] ff9bcfef4c5468941db85f6748cd3b6c173fc0ba40a4bb19ac3964c450d07bcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38bff8f5cc8f590e99df5fdc74c41fc93d3f75cc85e9282c88d2bcd71f13310d
[INFO] running `Command { std: "docker" "start" "-a" "38bff8f5cc8f590e99df5fdc74c41fc93d3f75cc85e9282c88d2bcd71f13310d", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling rumpsteak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/elevator.rs:54:26
[INFO] [stdout]    |
[INFO] [stdout] 54 |     CloseDoor(CloseDoor, User<'u>),
[INFO] [stdout]    |     ---------            ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 -     CloseDoor(CloseDoor, User<'u>),
[INFO] [stdout] 54 +     CloseDoor(CloseDoor, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/elevator.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |     OpenDoor(OpenDoor, User<'u>),
[INFO] [stdout]    |     --------           ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 -     OpenDoor(OpenDoor, User<'u>),
[INFO] [stdout] 55 +     OpenDoor(OpenDoor, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> examples/elevator.rs:161:48
[INFO] [stdout]     |
[INFO] [stdout] 159 |         s: ElevatorOpened<'e>,
[INFO] [stdout]     |                           -- the lifetime is named here
[INFO] [stdout] 160 |         mut rng: impl Rng + 'e,
[INFO] [stdout] 161 |     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stdout]     |                         --                     ^^ the same lifetime is elided here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'e`
[INFO] [stdout]     |
[INFO] [stdout] 161 -     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stdout] 161 +     ) -> LocalBoxFuture<'e, Result<(Never, End<'e>)>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> examples/elevator.rs:179:48
[INFO] [stdout]     |
[INFO] [stdout] 177 |         s: ElevatorOpening<'e>,
[INFO] [stdout]     |                            -- the lifetime is named here
[INFO] [stdout] 178 |         rng: impl Rng + 'e,
[INFO] [stdout] 179 |     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stdout]     |                         --                     ^^ the same lifetime is elided here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'e`
[INFO] [stdout]     |
[INFO] [stdout] 179 -     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stdout] 179 +     ) -> LocalBoxFuture<'e, Result<(Never, End<'e>)>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> examples/elevator.rs:190:48
[INFO] [stdout]     |
[INFO] [stdout] 188 |         s: Branch<'e, E, U, ElevatorClosed<'e>>,
[INFO] [stdout]     |                   --                       -- the lifetime is named here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is named here
[INFO] [stdout] 189 |         rng: impl Rng + 'e,
[INFO] [stdout] 190 |     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stdout]     |                         --                     ^^ the same lifetime is elided here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'e`
[INFO] [stdout]     |
[INFO] [stdout] 190 -     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stdout] 190 +     ) -> LocalBoxFuture<'e, Result<(Never, End<'e>)>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> examples/elevator.rs:203:48
[INFO] [stdout]     |
[INFO] [stdout] 201 |         s: Elevator<'e>,
[INFO] [stdout]     |                     -- the lifetime is named here
[INFO] [stdout] 202 |         rng: impl Rng + 'e,
[INFO] [stdout] 203 |     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stdout]     |                         --                     ^^ the same lifetime is elided here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the same lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'e`
[INFO] [stdout]     |
[INFO] [stdout] 203 -     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stdout] 203 +     ) -> LocalBoxFuture<'e, Result<(Never, End<'e>)>> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> examples/adder.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Add(Add, Send<'c, C, S, Add, Receive<'c, C, S, Sum, Select<'c, C, S, ClientChoice<'c>>>>),
[INFO] [stdout]    |     --- ^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 40 -     Add(Add, Send<'c, C, S, Add, Receive<'c, C, S, Sum, Select<'c, C, S, ClientChoice<'c>>>>),
[INFO] [stdout] 40 +     Add((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> examples/adder.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Bye(Bye, Receive<'c, C, S, Bye, End<'c>>),
[INFO] [stdout]    |     ---      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 41 -     Bye(Bye, Receive<'c, C, S, Bye, End<'c>>),
[INFO] [stdout] 41 +     Bye(Bye, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 24.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "38bff8f5cc8f590e99df5fdc74c41fc93d3f75cc85e9282c88d2bcd71f13310d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38bff8f5cc8f590e99df5fdc74c41fc93d3f75cc85e9282c88d2bcd71f13310d", kill_on_drop: false }`
[INFO] [stdout] 38bff8f5cc8f590e99df5fdc74c41fc93d3f75cc85e9282c88d2bcd71f13310d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 051bf3a98f66fd1f8c832936730fe992441e6809af4975c14030c71da02e8802
[INFO] running `Command { std: "docker" "start" "-a" "051bf3a98f66fd1f8c832936730fe992441e6809af4975c14030c71da02e8802", kill_on_drop: false }`
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> examples/adder.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Add(Add, Send<'c, C, S, Add, Receive<'c, C, S, Sum, Select<'c, C, S, ClientChoice<'c>>>>),
[INFO] [stderr]    |     --- ^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 40 -     Add(Add, Send<'c, C, S, Add, Receive<'c, C, S, Sum, Select<'c, C, S, ClientChoice<'c>>>>),
[INFO] [stderr] 40 +     Add((), ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> examples/adder.rs:41:14
[INFO] [stderr]    |
[INFO] [stderr] 41 |     Bye(Bye, Receive<'c, C, S, Bye, End<'c>>),
[INFO] [stderr]    |     ---      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 41 -     Bye(Bye, Receive<'c, C, S, Bye, End<'c>>),
[INFO] [stderr] 41 +     Bye(Bye, ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rumpsteak` (example "adder") generated 2 warnings
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> examples/elevator.rs:54:26
[INFO] [stderr]    |
[INFO] [stderr] 54 |     CloseDoor(CloseDoor, User<'u>),
[INFO] [stderr]    |     ---------            ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 54 -     CloseDoor(CloseDoor, User<'u>),
[INFO] [stderr] 54 +     CloseDoor(CloseDoor, ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `1` is never read
[INFO] [stderr]   --> examples/elevator.rs:55:24
[INFO] [stderr]    |
[INFO] [stderr] 55 |     OpenDoor(OpenDoor, User<'u>),
[INFO] [stderr]    |     --------           ^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 55 -     OpenDoor(OpenDoor, User<'u>),
[INFO] [stderr] 55 +     OpenDoor(OpenDoor, ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> examples/elevator.rs:161:48
[INFO] [stderr]     |
[INFO] [stderr] 159 |         s: ElevatorOpened<'e>,
[INFO] [stderr]     |                           -- the lifetime is named here
[INFO] [stderr] 160 |         mut rng: impl Rng + 'e,
[INFO] [stderr] 161 |     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stderr]     |                         --                     ^^ the same lifetime is elided here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the same lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'e`
[INFO] [stderr]     |
[INFO] [stderr] 161 -     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stderr] 161 +     ) -> LocalBoxFuture<'e, Result<(Never, End<'e>)>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> examples/elevator.rs:179:48
[INFO] [stderr]     |
[INFO] [stderr] 177 |         s: ElevatorOpening<'e>,
[INFO] [stderr]     |                            -- the lifetime is named here
[INFO] [stderr] 178 |         rng: impl Rng + 'e,
[INFO] [stderr] 179 |     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stderr]     |                         --                     ^^ the same lifetime is elided here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the same lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'e`
[INFO] [stderr]     |
[INFO] [stderr] 179 -     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stderr] 179 +     ) -> LocalBoxFuture<'e, Result<(Never, End<'e>)>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> examples/elevator.rs:190:48
[INFO] [stderr]     |
[INFO] [stderr] 188 |         s: Branch<'e, E, U, ElevatorClosed<'e>>,
[INFO] [stderr]     |                   --                       -- the lifetime is named here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is named here
[INFO] [stderr] 189 |         rng: impl Rng + 'e,
[INFO] [stderr] 190 |     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stderr]     |                         --                     ^^ the same lifetime is elided here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the same lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'e`
[INFO] [stderr]     |
[INFO] [stderr] 190 -     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stderr] 190 +     ) -> LocalBoxFuture<'e, Result<(Never, End<'e>)>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> examples/elevator.rs:203:48
[INFO] [stderr]     |
[INFO] [stderr] 201 |         s: Elevator<'e>,
[INFO] [stderr]     |                     -- the lifetime is named here
[INFO] [stderr] 202 |         rng: impl Rng + 'e,
[INFO] [stderr] 203 |     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stderr]     |                         --                     ^^ the same lifetime is elided here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the same lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'e`
[INFO] [stderr]     |
[INFO] [stderr] 203 -     ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> {
[INFO] [stderr] 203 +     ) -> LocalBoxFuture<'e, Result<(Never, End<'e>)>> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `rumpsteak` (example "elevator") generated 6 warnings (run `cargo fix --example "elevator" -p rumpsteak` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rumpsteak-f2df2cce2dec6a50)
[INFO] [stderr]    Doc-tests rumpsteak
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "051bf3a98f66fd1f8c832936730fe992441e6809af4975c14030c71da02e8802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051bf3a98f66fd1f8c832936730fe992441e6809af4975c14030c71da02e8802", kill_on_drop: false }`
[INFO] [stdout] 051bf3a98f66fd1f8c832936730fe992441e6809af4975c14030c71da02e8802
