[INFO] fetching crate webpack-q 0.2.2...
[INFO] checking webpack-q-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate webpack-q 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate webpack-q 0.2.2
[INFO] finished tweaking crates.io crate webpack-q 0.2.2
[INFO] tweaked toml for crates.io crate webpack-q 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate webpack-q 0.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 957c00e16d701bd1ee65c030f7f24f088c5477e0f574227559d5486d2ff07658
[INFO] running `Command { std: "docker" "start" "-a" "957c00e16d701bd1ee65c030f7f24f088c5477e0f574227559d5486d2ff07658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "957c00e16d701bd1ee65c030f7f24f088c5477e0f574227559d5486d2ff07658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957c00e16d701bd1ee65c030f7f24f088c5477e0f574227559d5486d2ff07658", kill_on_drop: false }`
[INFO] [stdout] 957c00e16d701bd1ee65c030f7f24f088c5477e0f574227559d5486d2ff07658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3911d9310434a0539248ad6cca41d7ac7f877da9dbd743d33a1ef1aea18f4657
[INFO] running `Command { std: "docker" "start" "-a" "3911d9310434a0539248ad6cca41d7ac7f877da9dbd743d33a1ef1aea18f4657", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]    Compiling webpack-q v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking meshed v0.2.1
[INFO] [stderr]     Checking empty_type_traits v0.2.2
[INFO] [stderr]     Checking zerovec v0.7.0
[INFO] [stderr]    Compiling empty_type_derive v0.2.3
[INFO] [stderr]     Checking empty_type v0.2.2
[INFO] [stderr]     Checking webpack-stats v0.2.0
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]   --> src/operations.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::fmt::{write, Display, Formatter};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]   --> src/operations.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 | use std::fmt::{write, Display, Formatter};
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EntrypointDescription<'_>, EntrypointDescriptionError>
[INFO] [stdout]    --> src/operations.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | / {
[INFO] [stdout] 425 | |     let graph = ChunkLoadGraph::build_graph(&chunks);
[INFO] [stdout] 426 | |
[INFO] [stdout] 427 | |     let entrypoint = *entrypoints.entries.get(entrypoint_name).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 490 | |     })
[INFO] [stdout] 491 | | }
[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<EntrypointDescription<'_>, EntrypointDescriptionError>
[INFO] [stdout]    --> src/operations.rs:486:5
[INFO] [stdout]     |
[INFO] [stdout] 486 | /     Ok(EntrypointDescription {
[INFO] [stdout] 487 | |         name: entrypoint_name,
[INFO] [stdout] 488 | |         roots: root_nodes,
[INFO] [stdout] 489 | |         initial_load_size: initial_size,
[INFO] [stdout] 490 | |     })
[INFO] [stdout]     | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EntrypointDescription<'_>, EntrypointDescriptionError>
[INFO] [stdout]    --> src/operations.rs:424:1
[INFO] [stdout]     |
[INFO] [stdout] 424 | / {
[INFO] [stdout] 425 | |     let graph = ChunkLoadGraph::build_graph(&chunks);
[INFO] [stdout] 426 | |
[INFO] [stdout] 427 | |     let entrypoint = *entrypoints.entries.get(entrypoint_name).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 490 | |     })
[INFO] [stdout] 491 | | }
[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<EntrypointDescription<'_>, EntrypointDescriptionError>
[INFO] [stdout]    --> src/operations.rs:486:5
[INFO] [stdout]     |
[INFO] [stdout] 486 | /     Ok(EntrypointDescription {
[INFO] [stdout] 487 | |         name: entrypoint_name,
[INFO] [stdout] 488 | |         roots: root_nodes,
[INFO] [stdout] 489 | |         initial_load_size: initial_size,
[INFO] [stdout] 490 | |     })
[INFO] [stdout]     | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webpack-q` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `webpack-q` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3911d9310434a0539248ad6cca41d7ac7f877da9dbd743d33a1ef1aea18f4657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3911d9310434a0539248ad6cca41d7ac7f877da9dbd743d33a1ef1aea18f4657", kill_on_drop: false }`
[INFO] [stdout] 3911d9310434a0539248ad6cca41d7ac7f877da9dbd743d33a1ef1aea18f4657