[INFO] cloning repository https://github.com/MostlyMax/disk-ringbuffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MostlyMax/disk-ringbuffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMostlyMax%2Fdisk-ringbuffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMostlyMax%2Fdisk-ringbuffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a8b08ddc8c35e1983d88adebaa14932fc0ad1ed
[INFO] checking MostlyMax/disk-ringbuffer/1a8b08ddc8c35e1983d88adebaa14932fc0ad1ed against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMostlyMax%2Fdisk-ringbuffer" "/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/MostlyMax/disk-ringbuffer 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 git repo https://github.com/MostlyMax/disk-ringbuffer
[INFO] finished tweaking git repo https://github.com/MostlyMax/disk-ringbuffer
[INFO] tweaked toml for git repo https://github.com/MostlyMax/disk-ringbuffer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MostlyMax/disk-ringbuffer 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" "+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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bce44ccf1e1edc22d654b0fa95738532d557de14617c5e77e4b0db604c31e71c
[INFO] running `Command { std: "docker" "start" "-a" "bce44ccf1e1edc22d654b0fa95738532d557de14617c5e77e4b0db604c31e71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bce44ccf1e1edc22d654b0fa95738532d557de14617c5e77e4b0db604c31e71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce44ccf1e1edc22d654b0fa95738532d557de14617c5e77e4b0db604c31e71c", kill_on_drop: false }`
[INFO] [stdout] bce44ccf1e1edc22d654b0fa95738532d557de14617c5e77e4b0db604c31e71c
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 546b9399ec19a3f51173516b96f28822d25534e19c34a1f76bd97a08a0911c57
[INFO] running `Command { std: "docker" "start" "-a" "546b9399ec19a3f51173516b96f28822d25534e19c34a1f76bd97a08a0911c57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking mmap-wrapper v2.0.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking disk-ringbuffer v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `try_push_raw` is never used
[INFO] [stdout]    --> src/qpage.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 50  | impl QPage {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn try_push_raw(&mut self, msgs: &[u8]) -> Result<PushResult, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_push_raw` is never used
[INFO] [stdout]    --> src/qpage.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 50  | impl QPage {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn try_push_raw(&mut self, msgs: &[u8]) -> Result<PushResult, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "546b9399ec19a3f51173516b96f28822d25534e19c34a1f76bd97a08a0911c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546b9399ec19a3f51173516b96f28822d25534e19c34a1f76bd97a08a0911c57", kill_on_drop: false }`
[INFO] [stdout] 546b9399ec19a3f51173516b96f28822d25534e19c34a1f76bd97a08a0911c57