[INFO] fetching crate slice-dst 1.5.1...
[INFO] checking slice-dst-1.5.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate slice-dst 1.5.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate slice-dst 1.5.1 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 slice-dst 1.5.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slice-dst 1.5.1
[INFO] tweaked toml for crates.io crate slice-dst 1.5.1 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" "+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 3 packages to latest compatible versions
[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] 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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb678e007a3774cd9a12fdf22695a6f5c67ed9ded7090a17debe27fdf0e8abee
[INFO] running `Command { std: "docker" "start" "-a" "bb678e007a3774cd9a12fdf22695a6f5c67ed9ded7090a17debe27fdf0e8abee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb678e007a3774cd9a12fdf22695a6f5c67ed9ded7090a17debe27fdf0e8abee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb678e007a3774cd9a12fdf22695a6f5c67ed9ded7090a17debe27fdf0e8abee", kill_on_drop: false }`
[INFO] [stdout] bb678e007a3774cd9a12fdf22695a6f5c67ed9ded7090a17debe27fdf0e8abee
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c2da6edb0b5c7bbc38c5b93f2889d2c0a4d8690cba6209dbd4a0e133f0c7502
[INFO] running `Command { std: "docker" "start" "-a" "5c2da6edb0b5c7bbc38c5b93f2889d2c0a4d8690cba6209dbd4a0e133f0c7502", kill_on_drop: false }`
[INFO] [stderr]    Compiling erasable v1.2.1
[INFO] [stderr]    Compiling slice-dst v1.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]  --> src/layout_polyfill.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     alloc::{Layout, LayoutErr},
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]  --> src/layout_polyfill.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     alloc::{Layout, LayoutErr},
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]  --> src/layout_polyfill.rs:7:85
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn extend_layout(this: &Layout, next: Layout) -> Result<(Layout, usize), LayoutErr> {
[INFO] [stdout]   |                                                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]   --> src/layout_polyfill.rs:24:59
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn layout_array<T>(n: usize) -> Result<Layout, LayoutErr> {
[INFO] [stdout]    |                                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]  --> src/layout_polyfill.rs:7:85
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn extend_layout(this: &Layout, next: Layout) -> Result<(Layout, usize), LayoutErr> {
[INFO] [stdout]   |                                                                                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]   --> src/layout_polyfill.rs:29:77
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) fn repr_c_3(fields: [Layout; 3]) -> Result<(Layout, [usize; 3]), LayoutErr> {
[INFO] [stdout]    |                                                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]   --> src/layout_polyfill.rs:24:59
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn layout_array<T>(n: usize) -> Result<Layout, LayoutErr> {
[INFO] [stdout]    |                                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]   --> src/layout_polyfill.rs:48:70
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn repeat_layout(this: &Layout, n: usize) -> Result<(Layout, usize), LayoutErr> {
[INFO] [stdout]    |                                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]   --> src/layout_polyfill.rs:29:77
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub(crate) fn repr_c_3(fields: [Layout; 3]) -> Result<(Layout, [usize; 3]), LayoutErr> {
[INFO] [stdout]    |                                                                             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]   --> src/layout_polyfill.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn layout_err() -> LayoutErr {
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]   --> src/layout_polyfill.rs:48:70
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn repeat_layout(this: &Layout, n: usize) -> Result<(Layout, usize), LayoutErr> {
[INFO] [stdout]    |                                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `core::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]   --> src/layout_polyfill.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn layout_err() -> LayoutErr {
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/leak.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct S(u8);
[INFO] [stdout]    |        - ^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[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 0.74s
[INFO] running `Command { std: "docker" "inspect" "5c2da6edb0b5c7bbc38c5b93f2889d2c0a4d8690cba6209dbd4a0e133f0c7502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2da6edb0b5c7bbc38c5b93f2889d2c0a4d8690cba6209dbd4a0e133f0c7502", kill_on_drop: false }`
[INFO] [stdout] 5c2da6edb0b5c7bbc38c5b93f2889d2c0a4d8690cba6209dbd4a0e133f0c7502