[INFO] fetching crate meslin 0.0.4... [INFO] checking meslin-0.0.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate meslin 0.0.4 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate meslin 0.0.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded meslin-derive v0.0.3 [INFO] [stderr] Downloaded async-broadcast v0.6.0 [INFO] [stderr] Downloaded oneshot v0.1.6 [INFO] [stderr] Downloaded event-listener-strategy v0.1.0 [INFO] [stderr] Downloaded derive_more v1.0.0-beta.6 [INFO] [stderr] Downloaded derive_more-impl v1.0.0-beta.6 [INFO] [stderr] Downloaded type-sets v0.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 469a3598f38672f2abb8ade986afe6ec5ffc6ef9bbb3f77e7e44b3fb2a79ea16 [INFO] running `Command { std: "docker" "start" "-a" "469a3598f38672f2abb8ade986afe6ec5ffc6ef9bbb3f77e7e44b3fb2a79ea16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "469a3598f38672f2abb8ade986afe6ec5ffc6ef9bbb3f77e7e44b3fb2a79ea16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "469a3598f38672f2abb8ade986afe6ec5ffc6ef9bbb3f77e7e44b3fb2a79ea16", kill_on_drop: false }` [INFO] [stdout] 469a3598f38672f2abb8ade986afe6ec5ffc6ef9bbb3f77e7e44b3fb2a79ea16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 837b1bde65e94ed192c25132b1d12c592c6ad68be9dc35c1a8133e2b365fd235 [INFO] running `Command { std: "docker" "start" "-a" "837b1bde65e94ed192c25132b1d12c592c6ad68be9dc35c1a8133e2b365fd235", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking oneshot v0.1.6 [INFO] [stderr] Checking type-sets v0.0.2 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking event-listener v3.1.0 [INFO] [stderr] Checking event-listener v4.0.3 [INFO] [stderr] Checking event-listener-strategy v0.1.0 [INFO] [stderr] Checking async-priority-channel v0.2.0 [INFO] [stderr] Checking async-broadcast v0.6.0 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Compiling syn v2.0.48 [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 tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.35.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking derive_more v1.0.0-beta.6 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking meslin v0.0.4 (/opt/rustwide/workdir) [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] [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)]` 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 `dev` profile [unoptimized + debuginfo] target(s) in 21.92s [INFO] running `Command { std: "docker" "inspect" "837b1bde65e94ed192c25132b1d12c592c6ad68be9dc35c1a8133e2b365fd235", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "837b1bde65e94ed192c25132b1d12c592c6ad68be9dc35c1a8133e2b365fd235", kill_on_drop: false }` [INFO] [stdout] 837b1bde65e94ed192c25132b1d12c592c6ad68be9dc35c1a8133e2b365fd235