[INFO] fetching crate rumpsteak 0.1.0...
[INFO] building rumpsteak-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rumpsteak 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rumpsteak 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.14s
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44b5b272400a5470c003451c001eedbd0003338073e98c6e7f29bd2319c1d7e1
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[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] [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 18.18s
[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 5`
[INFO] running `Command { std: "docker" "inspect" "44b5b272400a5470c003451c001eedbd0003338073e98c6e7f29bd2319c1d7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b5b272400a5470c003451c001eedbd0003338073e98c6e7f29bd2319c1d7e1", kill_on_drop: false }`
[INFO] [stdout] 44b5b272400a5470c003451c001eedbd0003338073e98c6e7f29bd2319c1d7e1
