[INFO] fetching crate vicis 0.1.0...
[INFO] checking vicis-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate vicis 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate vicis 0.1.0 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 vicis 0.1.0
[INFO] finished tweaking crates.io crate vicis 0.1.0
[INFO] tweaked toml for crates.io crate vicis 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding anyhow v1.0.38 (available: v1.0.89)
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding bitvec v0.19.6 (available: v1.0.1)
[INFO] [stderr]       Adding either v1.6.1 (available: v1.13.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (available: v1.0.0)
[INFO] [stderr]       Adding funty v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding indicatif v0.15.0 (available: v0.17.8)
[INFO] [stderr]       Adding lexical-core v0.7.6 (available: v1.0.2)
[INFO] [stderr]       Adding nom v6.0.1 (available: v6.2.2)
[INFO] [stderr]       Adding number_prefix v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding radium v0.5.3 (available: v1.1.0)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding wyz v0.2.0 (available: v0.6.1)
[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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad7c59957cd2ce7f9286770ef10fb0d469ec51206281f14f415737d36e51285d
[INFO] running `Command { std: "docker" "start" "-a" "ad7c59957cd2ce7f9286770ef10fb0d469ec51206281f14f415737d36e51285d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad7c59957cd2ce7f9286770ef10fb0d469ec51206281f14f415737d36e51285d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7c59957cd2ce7f9286770ef10fb0d469ec51206281f14f415737d36e51285d", kill_on_drop: false }`
[INFO] [stdout] ad7c59957cd2ce7f9286770ef10fb0d469ec51206281f14f415737d36e51285d
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e254c3c9630809f1688efab0fbc0485d7a8f6032b68359fc3f658b3fc15d6c1b
[INFO] running `Command { std: "docker" "start" "-a" "e254c3c9630809f1688efab0fbc0485d7a8f6032b68359fc3f658b3fc15d6c1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking vicis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `ty`, `num_elements`, and `align` are never read
[INFO] [stdout]   --> src/codegen/function/slot/mod.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Slot {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 14 |     pub(crate) size: u32,
[INFO] [stdout] 15 |     pub(crate) ty: TypeId,
[INFO] [stdout]    |                ^^
[INFO] [stdout] 16 |     pub(crate) num_elements: u32,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 17 |     pub(crate) align: u32,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Slot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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: fields `ty`, `num_elements`, and `align` are never read
[INFO] [stdout]   --> src/codegen/function/slot/mod.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Slot {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 14 |     pub(crate) size: u32,
[INFO] [stdout] 15 |     pub(crate) ty: TypeId,
[INFO] [stdout]    |                ^^
[INFO] [stdout] 16 |     pub(crate) num_elements: u32,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 17 |     pub(crate) align: u32,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Slot` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 6.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "e254c3c9630809f1688efab0fbc0485d7a8f6032b68359fc3f658b3fc15d6c1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e254c3c9630809f1688efab0fbc0485d7a8f6032b68359fc3f658b3fc15d6c1b", kill_on_drop: false }`
[INFO] [stdout] e254c3c9630809f1688efab0fbc0485d7a8f6032b68359fc3f658b3fc15d6c1b