[INFO] fetching crate byml 0.1.4...
[INFO] checking byml-0.1.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate byml 0.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate byml 0.1.4 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 byml 0.1.4
[INFO] finished tweaking crates.io crate byml 0.1.4
[INFO] tweaked toml for crates.io crate byml 0.1.4 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]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.4.12 (available: v0.7.6)
[INFO] [stderr]       Adding base64 v0.12.3 (available: v0.22.1)
[INFO] [stderr]       Adding binread v1.4.1 (available: v2.2.0)
[INFO] [stderr]       Adding binread_derive v1.4.3 (available: v2.1.0)
[INFO] [stderr]       Adding cached v0.20.0 (available: v0.53.1)
[INFO] [stderr]       Adding cached_proc_macro v0.4.0 (available: v0.23.0)
[INFO] [stderr]       Adding darling v0.10.2 (available: v0.20.10)
[INFO] [stderr]       Adding darling_core v0.10.2 (available: v0.20.10)
[INFO] [stderr]       Adding darling_macro v0.10.2 (available: v0.20.10)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[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 parse_int v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding paste v0.1.18 (available: v1.0.15)
[INFO] [stderr]       Adding strsim v0.9.3 (available: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding yaz0 v0.1.2 (available: v0.3.0)
[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-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] ddfa4789a93049aa5bd794b4f0edbfd52cd691cf1f30b56f441c7c18df1ef39c
[INFO] running `Command { std: "docker" "start" "-a" "ddfa4789a93049aa5bd794b4f0edbfd52cd691cf1f30b56f441c7c18df1ef39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddfa4789a93049aa5bd794b4f0edbfd52cd691cf1f30b56f441c7c18df1ef39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfa4789a93049aa5bd794b4f0edbfd52cd691cf1f30b56f441c7c18df1ef39c", kill_on_drop: false }`
[INFO] [stdout] ddfa4789a93049aa5bd794b4f0edbfd52cd691cf1f30b56f441c7c18df1ef39c
[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] 464ef84cee4a5d39295cb3e760e1d746fc5d1e2d79ff6b523da51620595ddc09
[INFO] running `Command { std: "docker" "start" "-a" "464ef84cee4a5d39295cb3e760e1d746fc5d1e2d79ff6b523da51620595ddc09", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling binread_derive v1.4.3
[INFO] [stderr]     Checking parse_int v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking yaz0 v0.1.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]     Checking binread v1.4.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling cached_proc_macro v0.4.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking cached v0.20.0
[INFO] [stderr]     Checking byml v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/yaml/emit.rs:172:51
[INFO] [stdout]     |
[INFO] [stdout] 171 | impl<'a> BymlEmitter<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 172 |     pub fn new(writer: &'a mut dyn fmt::Write) -> BymlEmitter {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:280:45
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn from(key: &'static str) -> BymlIndex<'_> {
[INFO] [stdout]     |                                             ^^ this elided lifetime gets resolved as `'static`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying it explicitly
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn from(key: &'static str) -> BymlIndex<'static> {
[INFO] [stdout]     |                                             ~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/yaml/emit.rs:172:51
[INFO] [stdout]     |
[INFO] [stdout] 171 | impl<'a> BymlEmitter<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 172 |     pub fn new(writer: &'a mut dyn fmt::Write) -> BymlEmitter {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/lib.rs:280:45
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn from(key: &'static str) -> BymlIndex<'_> {
[INFO] [stdout]     |                                             ^^ this elided lifetime gets resolved as `'static`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying it explicitly
[INFO] [stdout]     |
[INFO] [stdout] 280 |     fn from(key: &'static str) -> BymlIndex<'static> {
[INFO] [stdout]     |                                             ~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(seek_convenience)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(seek_convenience)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/parse.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Header {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 39 |     version: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entries` and `offsets` are never read
[INFO] [stdout]   --> src/parse.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct StringTable {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 48 |     entries: U24,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 49 |     #[br(count = entries.0)]
[INFO] [stdout] 50 |     offsets: Vec<u32>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StringTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `magic` and `entries` are never read
[INFO] [stdout]    --> src/parse.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 243 | struct ArrayHeader {
[INFO] [stdout]     |        ----------- fields in this struct
[INFO] [stdout] 244 |     magic: u8,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 245 |     #[br(map = |x: U24| x.0 as u32)]
[INFO] [stdout] 246 |     entries: u32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ArrayHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/write.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StringTable` is never constructed
[INFO] [stdout]    --> src/write.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 160 | struct StringTable {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AlignedCStr` is never constructed
[INFO] [stdout]    --> src/write.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | struct AlignedCStr {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `version` is never read
[INFO] [stdout]   --> src/parse.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Header {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 39 |     version: u16,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `entries` and `offsets` are never read
[INFO] [stdout]   --> src/parse.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct StringTable {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 48 |     entries: U24,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 49 |     #[br(count = entries.0)]
[INFO] [stdout] 50 |     offsets: Vec<u32>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StringTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `magic` and `entries` are never read
[INFO] [stdout]    --> src/parse.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 243 | struct ArrayHeader {
[INFO] [stdout]     |        ----------- fields in this struct
[INFO] [stdout] 244 |     magic: u8,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 245 |     #[br(map = |x: U24| x.0 as u32)]
[INFO] [stdout] 246 |     entries: u32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ArrayHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/write.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StringTable` is never constructed
[INFO] [stdout]    --> src/write.rs:160:8
[INFO] [stdout]     |
[INFO] [stdout] 160 | struct StringTable {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AlignedCStr` is never constructed
[INFO] [stdout]    --> src/write.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | struct AlignedCStr {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "464ef84cee4a5d39295cb3e760e1d746fc5d1e2d79ff6b523da51620595ddc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "464ef84cee4a5d39295cb3e760e1d746fc5d1e2d79ff6b523da51620595ddc09", kill_on_drop: false }`
[INFO] [stdout] 464ef84cee4a5d39295cb3e760e1d746fc5d1e2d79ff6b523da51620595ddc09