[INFO] fetching crate linkk 0.1.2... [INFO] checking linkk-0.1.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate linkk 0.1.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate linkk 0.1.2 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate linkk 0.1.2 [INFO] finished tweaking crates.io crate linkk 0.1.2 [INFO] tweaked toml for crates.io crate linkk 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 155ee33911ccdb260ceee5a49667127d07b1c93cda9b11829637cd4b718546b4 [INFO] running `Command { std: "docker" "start" "-a" "155ee33911ccdb260ceee5a49667127d07b1c93cda9b11829637cd4b718546b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "155ee33911ccdb260ceee5a49667127d07b1c93cda9b11829637cd4b718546b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "155ee33911ccdb260ceee5a49667127d07b1c93cda9b11829637cd4b718546b4", kill_on_drop: false }` [INFO] [stdout] 155ee33911ccdb260ceee5a49667127d07b1c93cda9b11829637cd4b718546b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9a3c7b4b7309c74d2146b034740e66a60f4c21ee4172fc02605937b0481127c [INFO] running `Command { std: "docker" "start" "-a" "c9a3c7b4b7309c74d2146b034740e66a60f4c21ee4172fc02605937b0481127c", kill_on_drop: false }` [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Checking thiserror v1.0.64 [INFO] [stderr] Checking linkk v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated items `recv` and `new` are never used [INFO] [stdout] --> src/lib.rs:84:19 [INFO] [stdout] | [INFO] [stdout] 79 | impl $struct1 { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 84 | $v fn recv(&self) -> Result<$t2, std::sync::mpsc::RecvError> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 88 | pub fn new(tx: std::sync::mpsc::Sender<$t>, rx: std::sync::mpsc::Receiver<$t2>)-> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | setup_linkk!(pub, Window2os, Os2Window); [INFO] [stdout] | ------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `setup_linkk` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `send` and `new` are never used [INFO] [stdout] --> src/lib.rs:97:19 [INFO] [stdout] | [INFO] [stdout] 96 | impl $struct2 { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 97 | $v fn send(&self, t: $t2) -> std::result::Result<(), std::sync::mpsc::SendError<$t2>> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn new(tx: std::sync::mpsc::Sender<$t2>, rx: std::sync::mpsc::Receiver<$t>)-> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 130 | setup_linkk!(pub, Window2os, Os2Window); [INFO] [stdout] | ------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `setup_linkk` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `Command { std: "docker" "inspect" "c9a3c7b4b7309c74d2146b034740e66a60f4c21ee4172fc02605937b0481127c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9a3c7b4b7309c74d2146b034740e66a60f4c21ee4172fc02605937b0481127c", kill_on_drop: false }` [INFO] [stdout] c9a3c7b4b7309c74d2146b034740e66a60f4c21ee4172fc02605937b0481127c