[INFO] fetching crate flat-rs 1.0.20-alpha...
[INFO] checking flat-rs-1.0.20-alpha against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate flat-rs 1.0.20-alpha into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate flat-rs 1.0.20-alpha 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 flat-rs 1.0.20-alpha
[INFO] finished tweaking crates.io crate flat-rs 1.0.20-alpha
[INFO] tweaked toml for crates.io crate flat-rs 1.0.20-alpha written to /workspace/builds/worker-1-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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.5.3 (available: v0.8.0)
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding quick-error v1.2.3 (available: v2.0.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c7e52d72803053c813a3caa9ef15e67849fc85b9f1831ea7dbf36846383cc83d
[INFO] running `Command { std: "docker" "start" "-a" "c7e52d72803053c813a3caa9ef15e67849fc85b9f1831ea7dbf36846383cc83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7e52d72803053c813a3caa9ef15e67849fc85b9f1831ea7dbf36846383cc83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e52d72803053c813a3caa9ef15e67849fc85b9f1831ea7dbf36846383cc83d", kill_on_drop: false }`
[INFO] [stdout] c7e52d72803053c813a3caa9ef15e67849fc85b9f1831ea7dbf36846383cc83d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 38e95a08dd2393d6db6760993455161dfb11397a085d957638fd9a3a72135709
[INFO] running `Command { std: "docker" "start" "-a" "38e95a08dd2393d6db6760993455161dfb11397a085d957638fd9a3a72135709", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking tempfile v3.13.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking flat-rs v1.0.20-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/decode/decoder.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'b> Decoder<'b> {
[INFO] [stdout]    |      -- lifetime `'b` declared here
[INFO] [stdout] 13 |     pub fn new(bytes: &'b [u8]) -> Decoder {
[INFO] [stdout]    |                                    ^^^^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/decode/decoder.rs:13:36
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'b> Decoder<'b> {
[INFO] [stdout]    |      -- lifetime `'b` declared here
[INFO] [stdout] 13 |     pub fn new(bytes: &'b [u8]) -> Decoder {
[INFO] [stdout]    |                                    ^^^^^^^ this elided lifetime gets resolved as `'b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` 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 8.68s
[INFO] running `Command { std: "docker" "inspect" "38e95a08dd2393d6db6760993455161dfb11397a085d957638fd9a3a72135709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e95a08dd2393d6db6760993455161dfb11397a085d957638fd9a3a72135709", kill_on_drop: false }`
[INFO] [stdout] 38e95a08dd2393d6db6760993455161dfb11397a085d957638fd9a3a72135709