[INFO] fetching crate dive 0.0.1...
[INFO] checking dive-0.0.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate dive 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate dive 0.0.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dive 0.0.1
[INFO] finished tweaking crates.io crate dive 0.0.1
[INFO] tweaked toml for crates.io crate dive 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 20 packages to latest compatible versions
[INFO] [stderr]       Adding wavy v0.1.2 (available: v0.9.1)
[INFO] [stderr]       Adding whoami v0.5.3 (available: v1.5.2)
[INFO] [stderr]       Adding zip v0.5.13 (available: v2.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4691b37bf3d8906fe000c5f178fd622855ff322ac8151f1fe9b9c53f68f7fedd
[INFO] running `Command { std: "docker" "start" "-a" "4691b37bf3d8906fe000c5f178fd622855ff322ac8151f1fe9b9c53f68f7fedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4691b37bf3d8906fe000c5f178fd622855ff322ac8151f1fe9b9c53f68f7fedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4691b37bf3d8906fe000c5f178fd622855ff322ac8151f1fe9b9c53f68f7fedd", kill_on_drop: false }`
[INFO] [stdout] 4691b37bf3d8906fe000c5f178fd622855ff322ac8151f1fe9b9c53f68f7fedd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf554e9a63eac20c02fec8615e147da116a470375b39d301bf7b7be49ad4f0d4
[INFO] running `Command { std: "docker" "start" "-a" "cf554e9a63eac20c02fec8615e147da116a470375b39d301bf7b7be49ad4f0d4", kill_on_drop: false }`
[INFO] [stderr]     Checking whoami v0.5.3
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking wavy v0.1.2
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking stronghold v0.2.1
[INFO] [stderr]     Checking dive v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dive.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn record(&mut self, callback: &mut FnMut(usize, i16, i16)) {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn record(&mut self, callback: &mut dyn FnMut(usize, i16, i16)) {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dive.rs:71:43
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn play(&mut self, callback: &mut FnMut() -> AudioSample) {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn play(&mut self, callback: &mut dyn FnMut() -> AudioSample) {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dive.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn record(&mut self, callback: &mut FnMut(usize, i16, i16)) {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn record(&mut self, callback: &mut dyn FnMut(usize, i16, i16)) {
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dive.rs:71:43
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn play(&mut self, callback: &mut FnMut() -> AudioSample) {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn play(&mut self, callback: &mut dyn FnMut() -> AudioSample) {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "cf554e9a63eac20c02fec8615e147da116a470375b39d301bf7b7be49ad4f0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf554e9a63eac20c02fec8615e147da116a470375b39d301bf7b7be49ad4f0d4", kill_on_drop: false }`
[INFO] [stdout] cf554e9a63eac20c02fec8615e147da116a470375b39d301bf7b7be49ad4f0d4