[INFO] fetching crate rumpsteak 0.1.0... [INFO] building rumpsteak-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate rumpsteak 0.1.0 into /workspace/builds/worker-3-tc2/source [INFO] removed /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rumpsteak 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d73c7b945d8f9476784f524a0f72fc99fc02499a64e9e670847cc685def418d8 [INFO] running `Command { std: "docker" "start" "-a" "d73c7b945d8f9476784f524a0f72fc99fc02499a64e9e670847cc685def418d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d73c7b945d8f9476784f524a0f72fc99fc02499a64e9e670847cc685def418d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d73c7b945d8f9476784f524a0f72fc99fc02499a64e9e670847cc685def418d8", kill_on_drop: false }` [INFO] [stdout] d73c7b945d8f9476784f524a0f72fc99fc02499a64e9e670847cc685def418d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce1b4fcd2d38121a1b54055dff65d6da407afe740ed701f1e4164a21c5a1e26f [INFO] running `Command { std: "docker" "start" "-a" "ce1b4fcd2d38121a1b54055dff65d6da407afe740ed701f1e4164a21c5a1e26f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling futures-core v0.3.12 [INFO] [stderr] Compiling futures-sink v0.3.12 [INFO] [stderr] Compiling futures-io v0.3.12 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling futures-channel v0.3.12 [INFO] [stderr] Compiling futures-task v0.3.12 [INFO] [stderr] Compiling num_cpus v1.13.0 [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 futures-util v0.3.12 [INFO] [stderr] Compiling thiserror v1.0.23 [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 7.75s [INFO] running `Command { std: "docker" "inspect" "ce1b4fcd2d38121a1b54055dff65d6da407afe740ed701f1e4164a21c5a1e26f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce1b4fcd2d38121a1b54055dff65d6da407afe740ed701f1e4164a21c5a1e26f", kill_on_drop: false }` [INFO] [stdout] ce1b4fcd2d38121a1b54055dff65d6da407afe740ed701f1e4164a21c5a1e26f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c7fedd899c0393c245533cca01b0640d09976f5a008371a9dac1be3cc577432 [INFO] running `Command { std: "docker" "start" "-a" "8c7fedd899c0393c245533cca01b0640d09976f5a008371a9dac1be3cc577432", 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 num-traits v0.2.14 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling plotters-backend v0.3.0 [INFO] [stderr] Compiling regex-automata v0.1.9 [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 regex-syntax v0.6.22 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling plotters-svg v0.3.0 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling plotters v0.3.0 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling regex v1.4.3 [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: 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] [stdout] warning: unreachable definition [INFO] [stdout] --> examples/elevator.rs:218:5 [INFO] [stdout] | [INFO] [stdout] 218 | try_join!(user(&mut u), door(&mut d), elevator(&mut e)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | unreachable definition [INFO] [stdout] | any code following this expression is unreachable [INFO] [stdout] | [INFO] [stdout] note: this expression has type `Never`, which is uninhabited [INFO] [stdout] --> examples/elevator.rs:218:5 [INFO] [stdout] | [INFO] [stdout] 218 | try_join!(user(&mut u), door(&mut d), elevator(&mut e)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::try_join` which comes from the expansion of the macro `try_join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 17.63s [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" "8c7fedd899c0393c245533cca01b0640d09976f5a008371a9dac1be3cc577432", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c7fedd899c0393c245533cca01b0640d09976f5a008371a9dac1be3cc577432", kill_on_drop: false }` [INFO] [stdout] 8c7fedd899c0393c245533cca01b0640d09976f5a008371a9dac1be3cc577432