[INFO] fetching crate momba-explore 0.1.1...
[INFO] checking momba-explore-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate momba-explore 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate momba-explore 0.1.1 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 crates.io crate momba-explore 0.1.1
[INFO] finished tweaking crates.io crate momba-explore 0.1.1
[INFO] tweaked toml for crates.io crate momba-explore 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding clock-zones v0.1.4 (available: v0.4.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.13.0)
[INFO] [stderr]       Adding ordered-float v2.10.1 (available: v4.3.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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] 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] dd28dc8192e353882e0f9d7fef46a8abfc817c92cf3ded62febd80d1488b980a
[INFO] running `Command { std: "docker" "start" "-a" "dd28dc8192e353882e0f9d7fef46a8abfc817c92cf3ded62febd80d1488b980a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd28dc8192e353882e0f9d7fef46a8abfc817c92cf3ded62febd80d1488b980a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd28dc8192e353882e0f9d7fef46a8abfc817c92cf3ded62febd80d1488b980a", kill_on_drop: false }`
[INFO] [stdout] dd28dc8192e353882e0f9d7fef46a8abfc817c92cf3ded62febd80d1488b980a
[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] 7b4f9977c5020cb5249d9843fe8b7eca98ea153a005d83975e448825e5eb145b
[INFO] running `Command { std: "docker" "start" "-a" "7b4f9977c5020cb5249d9843fe8b7eca98ea153a005d83975e448825e5eb145b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking clock-zones v0.1.4
[INFO] [stderr]     Checking momba-explore v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/explore/compiled.rs:251:22
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn compute_link_edges<'c, Z: time::TimeType>(
[INFO] [stdout]     |                               -- lifetime `'c` declared here
[INFO] [stdout] ...
[INFO] [stdout] 251 |     ) -> Vec<LinkEdge<Z>> {
[INFO] [stdout]     |                      ^ this elided lifetime gets resolved as `'c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::TimeType`
[INFO] [stdout]  --> src/explore/external.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use time::TimeType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Explorer`
[INFO] [stdout]   --> src/time.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::Explorer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/explore/compiled.rs:251:22
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn compute_link_edges<'c, Z: time::TimeType>(
[INFO] [stdout]     |                               -- lifetime `'c` declared here
[INFO] [stdout] ...
[INFO] [stdout] 251 |     ) -> Vec<LinkEdge<Z>> {
[INFO] [stdout]     |                      ^ this elided lifetime gets resolved as `'c`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::TimeType`
[INFO] [stdout]  --> src/explore/external.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use time::TimeType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Explorer`
[INFO] [stdout]   --> src/time.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::Explorer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ActionLabelIndex` is never used
[INFO] [stdout]   --> src/explore/compiled.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type ActionLabelIndex = usize;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `EdgeIndex` is never used
[INFO] [stdout]   --> src/explore/compiled.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type EdgeIndex = usize;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DestinationIndex` is never used
[INFO] [stdout]   --> src/explore/compiled.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub type DestinationIndex = usize;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reference` is never read
[INFO] [stdout]   --> src/explore/compiled.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct CompiledAutomaton<Z: time::TimeType> {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 28 |     pub reference: model::AutomatonReference,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reference` is never read
[INFO] [stdout]   --> src/explore/compiled.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct CompiledLocation<Z: time::TimeType> {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 33 |     pub reference: model::LocationReference,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reference` is never read
[INFO] [stdout]    --> src/explore/compiled.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct CompiledDestination<Z: time::TimeType> {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 228 |     pub automaton_index: usize,
[INFO] [stdout] 229 |     pub reference: model::DestinationReference,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CompileBackend` is never used
[INFO] [stdout]    --> src/explore/evaluate.rs:114:11
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait CompileBackend<C> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ActionLabelIndex` is never used
[INFO] [stdout]   --> src/explore/compiled.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type ActionLabelIndex = usize;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `EdgeIndex` is never used
[INFO] [stdout]   --> src/explore/compiled.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type EdgeIndex = usize;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DestinationIndex` is never used
[INFO] [stdout]   --> src/explore/compiled.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub type DestinationIndex = usize;
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reference` is never read
[INFO] [stdout]   --> src/explore/compiled.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct CompiledAutomaton<Z: time::TimeType> {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 28 |     pub reference: model::AutomatonReference,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reference` is never read
[INFO] [stdout]   --> src/explore/compiled.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct CompiledLocation<Z: time::TimeType> {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 33 |     pub reference: model::LocationReference,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reference` is never read
[INFO] [stdout]    --> src/explore/compiled.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub struct CompiledDestination<Z: time::TimeType> {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 228 |     pub automaton_index: usize,
[INFO] [stdout] 229 |     pub reference: model::DestinationReference,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CompileBackend` is never used
[INFO] [stdout]    --> src/explore/evaluate.rs:114:11
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub trait CompileBackend<C> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.58s
[INFO] running `Command { std: "docker" "inspect" "7b4f9977c5020cb5249d9843fe8b7eca98ea153a005d83975e448825e5eb145b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4f9977c5020cb5249d9843fe8b7eca98ea153a005d83975e448825e5eb145b", kill_on_drop: false }`
[INFO] [stdout] 7b4f9977c5020cb5249d9843fe8b7eca98ea153a005d83975e448825e5eb145b