[INFO] fetching crate druid-derive 0.5.1...
[INFO] checking druid-derive-0.5.1 against master#e23ae72ac7a393961886ea62df065ebb6def7d51 for pr-126571
[INFO] extracting crate druid-derive 0.5.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate druid-derive 0.5.1 on toolchain e23ae72ac7a393961886ea62df065ebb6def7d51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate druid-derive 0.5.1
[INFO] finished tweaking crates.io crate druid-derive 0.5.1
[INFO] tweaked toml for crates.io crate druid-derive 0.5.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]      Locking 173 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e6b064791b72affccbb32fae7f5559695185f59396440076d1a4ce83df9c0ba
[INFO] running `Command { std: "docker" "start" "-a" "7e6b064791b72affccbb32fae7f5559695185f59396440076d1a4ce83df9c0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e6b064791b72affccbb32fae7f5559695185f59396440076d1a4ce83df9c0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6b064791b72affccbb32fae7f5559695185f59396440076d1a4ce83df9c0ba", kill_on_drop: false }`
[INFO] [stdout] 7e6b064791b72affccbb32fae7f5559695185f59396440076d1a4ce83df9c0ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+e23ae72ac7a393961886ea62df065ebb6def7d51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5ffbee807ccc72b212ac50efb95b521557aa88034959282755a6cb5f8ed48c2
[INFO] running `Command { std: "docker" "start" "-a" "d5ffbee807ccc72b212ac50efb95b521557aa88034959282755a6cb5f8ed48c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.203
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[INFO] [stderr]     Checking fluent-bundle v0.15.3
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[INFO] [stderr]     Checking glib v0.16.9
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[INFO] [stderr]     Checking pangocairo v0.16.3
[INFO] [stderr]     Checking gdk v0.16.2
[INFO] [stderr]     Checking piet-cairo v0.6.2
[INFO] [stderr]     Checking piet-common v0.6.2
[INFO] [stderr]     Checking druid v0.8.3
[INFO] [stdout] warning: struct `CoolStruct` is never constructed
[INFO] [stdout]   --> tests/ignore.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     struct CoolStruct {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> tests/ignore.rs:49:39
[INFO] [stdout]    |
[INFO] [stdout] 49 |     struct Tup(usize, #[data(ignore)] usize);
[INFO] [stdout]    |            --- field in this struct   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tup` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 49 |     struct Tup(usize, #[data(ignore)] ());
[INFO] [stdout]    |                                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.41s
[INFO] running `Command { std: "docker" "inspect" "d5ffbee807ccc72b212ac50efb95b521557aa88034959282755a6cb5f8ed48c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ffbee807ccc72b212ac50efb95b521557aa88034959282755a6cb5f8ed48c2", kill_on_drop: false }`
[INFO] [stdout] d5ffbee807ccc72b212ac50efb95b521557aa88034959282755a6cb5f8ed48c2