[INFO] fetching crate meslin 0.0.4... [INFO] building meslin-0.0.4 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate meslin 0.0.4 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate meslin 0.0.4 [INFO] finished tweaking crates.io crate meslin 0.0.4 [INFO] tweaked toml for crates.io crate meslin 0.0.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate meslin 0.0.4 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 meslin 0.0.4 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4f7c6be6e40990ba0d5ff86bc5da6186825cc7ca768822c1cd2c1df7e24998ff [INFO] running `Command { std: "docker" "start" "-a" "4f7c6be6e40990ba0d5ff86bc5da6186825cc7ca768822c1cd2c1df7e24998ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f7c6be6e40990ba0d5ff86bc5da6186825cc7ca768822c1cd2c1df7e24998ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f7c6be6e40990ba0d5ff86bc5da6186825cc7ca768822c1cd2c1df7e24998ff", kill_on_drop: false }` [INFO] [stdout] 4f7c6be6e40990ba0d5ff86bc5da6186825cc7ca768822c1cd2c1df7e24998ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ee9254ca5d84be3ad380f3d61727dae0bb489e64d460e6f070791862c3b9cb07 [INFO] running `Command { std: "docker" "start" "-a" "ee9254ca5d84be3ad380f3d61727dae0bb489e64d460e6f070791862c3b9cb07", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling pin-project-lite v0.2.13 [INFO] [stderr] Compiling futures-core v0.3.30 [INFO] [stderr] Compiling parking v2.2.0 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling oneshot v0.1.6 [INFO] [stderr] Compiling type-sets v0.0.2 [INFO] [stderr] Compiling futures-channel v0.3.30 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling concurrent-queue v2.4.0 [INFO] [stderr] Compiling event-listener v3.1.0 [INFO] [stderr] Compiling event-listener v4.0.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling async-priority-channel v0.2.0 [INFO] [stderr] Compiling event-listener-strategy v0.1.0 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling async-broadcast v0.6.0 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling nanorand v0.7.0 [INFO] [stderr] Compiling flume v0.11.0 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling derive_more-impl v1.0.0-beta.6 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling meslin-derive v0.0.3 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling derive_more v1.0.0-beta.6 [INFO] [stderr] Compiling futures-executor v0.3.30 [INFO] [stderr] Compiling futures v0.3.30 [INFO] [stderr] Compiling meslin v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sender.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 153 | msg: BoxedMsg, [INFO] [stdout] 154 | ) -> BoxFuture>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 154 | ) -> BoxFuture<'_, Result<(), DynSendError>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sends.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 11 | msg: BoxedMsg, [INFO] [stdout] 12 | ) -> BoxFuture>>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 12 | ) -> BoxFuture<'_, Result<(), DynSendError>>>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sends.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 39 | msg: BoxedMsg, [INFO] [stdout] 40 | ) -> BoxFuture>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 40 | ) -> BoxFuture<'_, Result<(), DynSendError>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sends.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 107 | msg: BoxedMsg, [INFO] [stdout] 108 | ) -> BoxFuture>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 108 | ) -> BoxFuture<'_, Result<(), DynSendError>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.83s [INFO] running `Command { std: "docker" "inspect" "ee9254ca5d84be3ad380f3d61727dae0bb489e64d460e6f070791862c3b9cb07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee9254ca5d84be3ad380f3d61727dae0bb489e64d460e6f070791862c3b9cb07", kill_on_drop: false }` [INFO] [stdout] ee9254ca5d84be3ad380f3d61727dae0bb489e64d460e6f070791862c3b9cb07 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fb9619b69362aa3fea029ba5503ecae2190558b23d29b58c523aba8f207fa555 [INFO] running `Command { std: "docker" "start" "-a" "fb9619b69362aa3fea029ba5503ecae2190558b23d29b58c523aba8f207fa555", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling smallvec v1.11.2 [INFO] [stderr] Compiling bytes v1.5.0 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling socket2 v0.5.5 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling mio v0.8.10 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling nanorand v0.7.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling flume v0.11.0 [INFO] [stderr] Compiling tokio v1.35.1 [INFO] [stderr] Compiling meslin v0.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sender.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 153 | msg: BoxedMsg, [INFO] [stdout] 154 | ) -> BoxFuture>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 154 | ) -> BoxFuture<'_, Result<(), DynSendError>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sends.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 11 | msg: BoxedMsg, [INFO] [stdout] 12 | ) -> BoxFuture>>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 12 | ) -> BoxFuture<'_, Result<(), DynSendError>>>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sends.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 39 | msg: BoxedMsg, [INFO] [stdout] 40 | ) -> BoxFuture>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 40 | ) -> BoxFuture<'_, Result<(), DynSendError>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sends.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 107 | msg: BoxedMsg, [INFO] [stdout] 108 | ) -> BoxFuture>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 108 | ) -> BoxFuture<'_, Result<(), DynSendError>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/basic.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | struct MyMessage(String); [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `MyMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sends.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 11 | msg: BoxedMsg, [INFO] [stdout] 12 | ) -> BoxFuture>>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 12 | ) -> BoxFuture<'_, Result<(), DynSendError>>>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sends.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 39 | msg: BoxedMsg, [INFO] [stdout] 40 | ) -> BoxFuture>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 40 | ) -> BoxFuture<'_, Result<(), DynSendError>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sends.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 107 | msg: BoxedMsg, [INFO] [stdout] 108 | ) -> BoxFuture>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 108 | ) -> BoxFuture<'_, Result<(), DynSendError>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/dynamic/sender.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] 153 | msg: BoxedMsg, [INFO] [stdout] 154 | ) -> BoxFuture>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 154 | ) -> BoxFuture<'_, Result<(), DynSendError>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 12.30s [INFO] running `Command { std: "docker" "inspect" "fb9619b69362aa3fea029ba5503ecae2190558b23d29b58c523aba8f207fa555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb9619b69362aa3fea029ba5503ecae2190558b23d29b58c523aba8f207fa555", kill_on_drop: false }` [INFO] [stdout] fb9619b69362aa3fea029ba5503ecae2190558b23d29b58c523aba8f207fa555