[INFO] fetching crate rumpsteak 0.1.0... [INFO] checking rumpsteak-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate rumpsteak 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] removed /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rumpsteak 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-executor v0.3.12 [INFO] [stderr] Downloaded tinytemplate v1.2.0 [INFO] [stderr] Downloaded rumpsteak-macros v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9260b3bef211500363d21954e0d0d6e95a57e81a948b002a4181d25b5cad2cc0 [INFO] running `Command { std: "docker" "start" "-a" "9260b3bef211500363d21954e0d0d6e95a57e81a948b002a4181d25b5cad2cc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9260b3bef211500363d21954e0d0d6e95a57e81a948b002a4181d25b5cad2cc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9260b3bef211500363d21954e0d0d6e95a57e81a948b002a4181d25b5cad2cc0", kill_on_drop: false }` [INFO] [stdout] 9260b3bef211500363d21954e0d0d6e95a57e81a948b002a4181d25b5cad2cc0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd1cde4820cf6f611285fdedd96d7f17c741e60bdedcf1ec83f8c19f75006d22 [INFO] running `Command { std: "docker" "start" "-a" "dd1cde4820cf6f611285fdedd96d7f17c741e60bdedcf1ec83f8c19f75006d22", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking plotters-backend v0.3.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking half v1.7.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking plotters-svg v0.3.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling tokio v1.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.5 [INFO] [stderr] Checking tinytemplate v1.2.0 [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 tokio-macros v1.1.0 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking futures-executor v0.3.12 [INFO] [stderr] Checking futures v0.3.12 [INFO] [stderr] Checking rumpsteak v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `mpstthree` [INFO] [stdout] --> benches/three_adder.rs:284:9 [INFO] [stdout] | [INFO] [stdout] 284 | use mpstthree::{ [INFO] [stdout] | ^^^^^^^^^ use of unresolved module or unlinked crate `mpstthree` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `mpstthree`, use `cargo add mpstthree` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `rumpsteak_oneshot` [INFO] [stdout] --> benches/three_adder.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | use rumpsteak_oneshot::{session3, End, Left, Receive, Right, Send, SessionPair}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `rumpsteak_oneshot` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `rumpsteak_oneshot`, use `cargo add rumpsteak_oneshot` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `mpstthree` [INFO] [stdout] --> benches/three_adder.rs:284:9 [INFO] [stdout] | [INFO] [stdout] 284 | use mpstthree::{ [INFO] [stdout] | ^^^^^^^^^ use of unresolved module or unlinked crate `mpstthree` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `mpstthree`, use `cargo add mpstthree` to add it to your `Cargo.toml` [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)]` 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] Some errors have detailed explanations: E0432, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rumpsteak` (bench "three_adder") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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)]` 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)]` 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> examples/elevator.rs:159:27 [INFO] [stdout] | [INFO] [stdout] 159 | s: ElevatorOpened<'e>, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 160 | mut rng: impl Rng + 'e, [INFO] [stdout] 161 | ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> { [INFO] [stdout] | -- -- the lifetimes get resolved as `'e` [INFO] [stdout] | | [INFO] [stdout] | the lifetimes get resolved as `'e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> examples/elevator.rs:177:28 [INFO] [stdout] | [INFO] [stdout] 177 | s: ElevatorOpening<'e>, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 178 | rng: impl Rng + 'e, [INFO] [stdout] 179 | ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> { [INFO] [stdout] | -- -- the lifetimes get resolved as `'e` [INFO] [stdout] | | [INFO] [stdout] | the lifetimes get resolved as `'e` [INFO] [stdout] | [INFO] [stdout] help: one option is to 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> examples/elevator.rs:188:19 [INFO] [stdout] | [INFO] [stdout] 188 | s: Branch<'e, E, U, ElevatorClosed<'e>>, [INFO] [stdout] | ^^ ^^ these lifetimes flow to the output [INFO] [stdout] | | [INFO] [stdout] | these lifetimes flow to the output [INFO] [stdout] 189 | rng: impl Rng + 'e, [INFO] [stdout] 190 | ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> { [INFO] [stdout] | -- -- the lifetimes get resolved as `'e` [INFO] [stdout] | | [INFO] [stdout] | the lifetimes get resolved as `'e` [INFO] [stdout] | [INFO] [stdout] help: one option is to 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: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> examples/elevator.rs:201:21 [INFO] [stdout] | [INFO] [stdout] 201 | s: Elevator<'e>, [INFO] [stdout] | ^^ this lifetime flows to the output [INFO] [stdout] 202 | rng: impl Rng + 'e, [INFO] [stdout] 203 | ) -> LocalBoxFuture<'e, Result<(Never, End<'_>)>> { [INFO] [stdout] | -- -- the lifetimes get resolved as `'e` [INFO] [stdout] | | [INFO] [stdout] | the lifetimes get resolved as `'e` [INFO] [stdout] | [INFO] [stdout] help: one option is to 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] running `Command { std: "docker" "inspect" "dd1cde4820cf6f611285fdedd96d7f17c741e60bdedcf1ec83f8c19f75006d22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd1cde4820cf6f611285fdedd96d7f17c741e60bdedcf1ec83f8c19f75006d22", kill_on_drop: false }` [INFO] [stdout] dd1cde4820cf6f611285fdedd96d7f17c741e60bdedcf1ec83f8c19f75006d22