[INFO] fetching crate embed_it_macros 6.0.0...
[INFO] checking embed_it_macros-6.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate embed_it_macros 6.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate embed_it_macros 6.0.0
[INFO] finished tweaking crates.io crate embed_it_macros 6.0.0
[INFO] tweaked toml for crates.io crate embed_it_macros 6.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate embed_it_macros 6.0.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate embed_it_macros 6.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a7879222d796586022ddd840b70fb2ba604c52c55ebbb0d128e59fc9dc341de
[INFO] running `Command { std: "docker" "start" "-a" "4a7879222d796586022ddd840b70fb2ba604c52c55ebbb0d128e59fc9dc341de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a7879222d796586022ddd840b70fb2ba604c52c55ebbb0d128e59fc9dc341de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7879222d796586022ddd840b70fb2ba604c52c55ebbb0d128e59fc9dc341de", kill_on_drop: false }`
[INFO] [stdout] 4a7879222d796586022ddd840b70fb2ba604c52c55ebbb0d128e59fc9dc341de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f3db53598b21d1a86c1a6105f1421132127337a032624d8e5ed82574f460850
[INFO] running `Command { std: "docker" "start" "-a" "1f3db53598b21d1a86c1a6105f1421132127337a032624d8e5ed82574f460850", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling prettyplease v0.2.31
[INFO] [stderr]     Checking embed_it_utils v6.0.0
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking hex-literal v1.0.0
[INFO] [stderr]     Checking convert_case v0.8.0
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking syn v2.0.100
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking darling_core v0.20.10
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking darling v0.20.10
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking embed_it_macros v6.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `CompressionAlg` is never used
[INFO] [stdout]   --> src/embedded_traits/compression.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait CompressionAlg: Send + Sync {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Compressor` is never used
[INFO] [stdout]   --> src/embedded_traits/compression.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub trait Compressor: std::io::Write {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FinalizeCompressorError` is never used
[INFO] [stdout]   --> src/embedded_traits/compression.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum FinalizeCompressorError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompressionTrait` is never constructed
[INFO] [stdout]   --> src/embedded_traits/compression.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CompressionTrait<T>(T);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HashAlg` is never used
[INFO] [stdout]   --> src/embedded_traits/hashes.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait HashAlg: Send + Sync {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Hasher` is never used
[INFO] [stdout]   --> src/embedded_traits/hashes.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait Hasher: std::io::Write {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashTrait` is never constructed
[INFO] [stdout]   --> src/embedded_traits/hashes.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct HashTrait<T>(T);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hashes` is never constructed
[INFO] [stdout]   --> src/embedded_traits/hashes.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Hashes(HashMap<&'static str, Vec<u8>>);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, FinalizeCompressorError>
[INFO] [stdout]    --> src/embedded_traits/compression.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let content = compressor.finalize().map_err(|e| {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embed_it_macros` (lib) due to 1 previous error; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait `CompressionAlg` is never used
[INFO] [stdout]   --> src/embedded_traits/compression.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait CompressionAlg: Send + Sync {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Compressor` is never used
[INFO] [stdout]   --> src/embedded_traits/compression.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub trait Compressor: std::io::Write {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FinalizeCompressorError` is never used
[INFO] [stdout]   --> src/embedded_traits/compression.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum FinalizeCompressorError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompressionTrait` is never constructed
[INFO] [stdout]   --> src/embedded_traits/compression.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct CompressionTrait<T>(T);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HashAlg` is never used
[INFO] [stdout]   --> src/embedded_traits/hashes.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub trait HashAlg: Send + Sync {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Hasher` is never used
[INFO] [stdout]   --> src/embedded_traits/hashes.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait Hasher: std::io::Write {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashTrait` is never constructed
[INFO] [stdout]   --> src/embedded_traits/hashes.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct HashTrait<T>(T);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hashes` is never constructed
[INFO] [stdout]   --> src/embedded_traits/hashes.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Hashes(HashMap<&'static str, Vec<u8>>);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, FinalizeCompressorError>
[INFO] [stdout]    --> src/embedded_traits/compression.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let content = compressor.finalize().map_err(|e| {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EnabledTraits, Infallible>
[INFO] [stdout]    --> src/embedded_traits.rs:344:19
[INFO] [stdout]     |
[INFO] [stdout] 344 |           let res = EnabledTraits::create(
[INFO] [stdout]     |  ___________________^
[INFO] [stdout] 345 | |             DeriveDefaultTraits::Yes,
[INFO] [stdout] 346 | |             defined_traits,
[INFO] [stdout] 347 | |             &[&PathTrait, &EntriesTrait],
[INFO] [stdout] 348 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `embed_it_macros` (lib test) due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1f3db53598b21d1a86c1a6105f1421132127337a032624d8e5ed82574f460850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3db53598b21d1a86c1a6105f1421132127337a032624d8e5ed82574f460850", kill_on_drop: false }`
[INFO] [stdout] 1f3db53598b21d1a86c1a6105f1421132127337a032624d8e5ed82574f460850
