[INFO] cloning repository https://github.com/simmons/tokio-aio-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simmons/tokio-aio-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimmons%2Ftokio-aio-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimmons%2Ftokio-aio-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e652b5c62960c38f5d3e1ca0ed7c258d92bfa1b [INFO] checking simmons/tokio-aio-examples against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimmons%2Ftokio-aio-examples" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/simmons/tokio-aio-examples [INFO] finished tweaking git repo https://github.com/simmons/tokio-aio-examples [INFO] tweaked toml for git repo https://github.com/simmons/tokio-aio-examples written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/simmons/tokio-aio-examples 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 git repo https://github.com/simmons/tokio-aio-examples 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.2.0 [INFO] [stderr] Downloaded scoped-tls v0.1.0 [INFO] [stderr] Downloaded fuchsia-zircon v0.2.1 [INFO] [stderr] Downloaded byteorder v1.2.1 [INFO] [stderr] Downloaded iovec v0.1.1 [INFO] [stderr] Downloaded tokio-io v0.1.4 [INFO] [stderr] Downloaded tokio-core v0.1.11 [INFO] [stderr] Downloaded mio v0.6.11 [INFO] [stderr] Downloaded lazycell v0.5.1 [INFO] [stderr] Downloaded bytes v0.4.5 [INFO] [stderr] Downloaded futures v0.1.17 [INFO] [stderr] Downloaded libc v0.2.34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 23e1bf0037b8d8010b7f9c2b3e89bb847e06117cb97469aa4ef93a3334ade4f1 [INFO] running `Command { std: "docker" "start" "-a" "23e1bf0037b8d8010b7f9c2b3e89bb847e06117cb97469aa4ef93a3334ade4f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23e1bf0037b8d8010b7f9c2b3e89bb847e06117cb97469aa4ef93a3334ade4f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23e1bf0037b8d8010b7f9c2b3e89bb847e06117cb97469aa4ef93a3334ade4f1", kill_on_drop: false }` [INFO] [stdout] 23e1bf0037b8d8010b7f9c2b3e89bb847e06117cb97469aa4ef93a3334ade4f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cf643db89ede2759c5726d1dc0a67bbaee08a0c3b5338224e307617c823cd96c [INFO] running `Command { std: "docker" "start" "-a" "cf643db89ede2759c5726d1dc0a67bbaee08a0c3b5338224e307617c823cd96c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking libc v0.2.34 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking mio v0.6.11 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking tokio-core v0.1.11 [INFO] [stderr] Checking tokio-aio-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bin/echo-tokio-mpsc.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | fn new(socket: &UdpSocket, tx: mpsc::Sender) -> UdpReader { [INFO] [stdout] | ^^^^^^^^^^ the lifetime is elided here --------- 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] 35 | fn new(socket: &UdpSocket, tx: mpsc::Sender) -> UdpReader<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bin/echo-tokio-mpsc.rs:126:20 [INFO] [stdout] | [INFO] [stdout] 126 | fn new(socket: &UdpSocket, rx: mpsc::Receiver) -> UdpWriter { [INFO] [stdout] | ^^^^^^^^^^ the lifetime is elided here --------- 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] 126 | fn new(socket: &UdpSocket, rx: mpsc::Receiver) -> UdpWriter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/bin/echo-tokio-mpsc.rs:147:13 [INFO] [stdout] | [INFO] [stdout] 147 | drop(message); [INFO] [stdout] | ^^^^^-------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 147 - drop(message); [INFO] [stdout] 147 + let _ = message; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bin/echo-tokio-mpsc.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | fn new(socket: &UdpSocket, tx: mpsc::Sender) -> UdpReader { [INFO] [stdout] | ^^^^^^^^^^ the lifetime is elided here --------- 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] 35 | fn new(socket: &UdpSocket, tx: mpsc::Sender) -> UdpReader<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/bin/echo-tokio-mpsc.rs:126:20 [INFO] [stdout] | [INFO] [stdout] 126 | fn new(socket: &UdpSocket, rx: mpsc::Receiver) -> UdpWriter { [INFO] [stdout] | ^^^^^^^^^^ the lifetime is elided here --------- 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] 126 | fn new(socket: &UdpSocket, rx: mpsc::Receiver) -> UdpWriter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/bin/echo-tokio-mpsc.rs:147:13 [INFO] [stdout] | [INFO] [stdout] 147 | drop(message); [INFO] [stdout] | ^^^^^-------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Message` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 147 - drop(message); [INFO] [stdout] 147 + let _ = message; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.29s [INFO] running `Command { std: "docker" "inspect" "cf643db89ede2759c5726d1dc0a67bbaee08a0c3b5338224e307617c823cd96c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf643db89ede2759c5726d1dc0a67bbaee08a0c3b5338224e307617c823cd96c", kill_on_drop: false }` [INFO] [stdout] cf643db89ede2759c5726d1dc0a67bbaee08a0c3b5338224e307617c823cd96c