[INFO] cloning repository https://github.com/qsliu2017/rust-tiny-web-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qsliu2017/rust-tiny-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqsliu2017%2Frust-tiny-web-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqsliu2017%2Frust-tiny-web-server'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-push.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqsliu2017%2Frust-tiny-web-server/hooks/pre-push.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/qsliu2017/rust-tiny-web-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qsliu2017/rust-tiny-web-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqsliu2017%2Frust-tiny-web-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqsliu2017%2Frust-tiny-web-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 66fccf472ca4c14b2489d1fa3afc55aceb49a737 [INFO] building qsliu2017/rust-tiny-web-server against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqsliu2017%2Frust-tiny-web-server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qsliu2017/rust-tiny-web-server on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/qsliu2017/rust-tiny-web-server [INFO] finished tweaking git repo https://github.com/qsliu2017/rust-tiny-web-server [INFO] tweaked toml for git repo https://github.com/qsliu2017/rust-tiny-web-server written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/qsliu2017/rust-tiny-web-server 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1bd5653adc0677b9ed30624f40c68005e0d4232c5cbc9c31c1be8137b315071e [INFO] running `Command { std: "docker" "start" "-a" "1bd5653adc0677b9ed30624f40c68005e0d4232c5cbc9c31c1be8137b315071e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1bd5653adc0677b9ed30624f40c68005e0d4232c5cbc9c31c1be8137b315071e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bd5653adc0677b9ed30624f40c68005e0d4232c5cbc9c31c1be8137b315071e", kill_on_drop: false }` [INFO] [stdout] 1bd5653adc0677b9ed30624f40c68005e0d4232c5cbc9c31c1be8137b315071e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 767062eec9c1f11f08c08713821ac555d8e296270f06558194aae6b971d24fc6 [INFO] running `Command { std: "docker" "start" "-a" "767062eec9c1f11f08c08713821ac555d8e296270f06558194aae6b971d24fc6", kill_on_drop: false }` [INFO] [stderr] Compiling rust-tiny-web-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/thread_pool.rs:50:33 [INFO] [stdout] | [INFO] [stdout] 50 | while let Ok(msg) = receiver.lock().unwrap().recv() { [INFO] [stdout] | --- ------------------------^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | | up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | `msg` calls a custom destructor [INFO] [stdout] | `msg` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 62 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#1` may invoke a custom destructor because it contains a trait object [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/9b5e8b16bd1c4acf4cf8e6880368314cf021a987/library/std/src/sync/mutex.rs:644:1 [INFO] [stdout] = note: `msg` may invoke a custom destructor because it contains a trait object [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-tiny-web-server` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "767062eec9c1f11f08c08713821ac555d8e296270f06558194aae6b971d24fc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "767062eec9c1f11f08c08713821ac555d8e296270f06558194aae6b971d24fc6", kill_on_drop: false }` [INFO] [stdout] 767062eec9c1f11f08c08713821ac555d8e296270f06558194aae6b971d24fc6