[INFO] fetching crate tuix_widgets 0.2.0...
[INFO] testing tuix_widgets-0.2.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate tuix_widgets 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tuix_widgets 0.2.0 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
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[INFO] started tweaking crates.io crate tuix_widgets 0.2.0
[INFO] finished tweaking crates.io crate tuix_widgets 0.2.0
[INFO] tweaked toml for crates.io crate tuix_widgets 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tuix_core v0.2.0
[INFO] [stderr]    Compiling tuix_widgets v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `span_recip` is never read
[INFO] [stdout]   --> src/audio_widgets/normalized_map.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct GenericMap {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     span_recip: f32, // Small optimization to avoid division operations.
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenericMap` 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 [unoptimized + debuginfo] target(s) in 53.53s
[INFO] running `Command { std: "docker" "inspect" "98ce3bcbbfec26e9ae144eb922994bb7208f906679a2e68df7ca14e0a99d7a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ce3bcbbfec26e9ae144eb922994bb7208f906679a2e68df7ca14e0a99d7a6a", kill_on_drop: false }`
[INFO] [stdout] 98ce3bcbbfec26e9ae144eb922994bb7208f906679a2e68df7ca14e0a99d7a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d75fab5c43002043859f23a873b610aae122610f12ee30f8f0bcd33a396f9cbc
[INFO] running `Command { std: "docker" "start" "-a" "d75fab5c43002043859f23a873b610aae122610f12ee30f8f0bcd33a396f9cbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuix_widgets v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `span_recip` is never read
[INFO] [stdout]   --> src/audio_widgets/normalized_map.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct GenericMap {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     span_recip: f32, // Small optimization to avoid division operations.
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenericMap` 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: field `span_recip` is never read
[INFO] [stdout]   --> src/audio_widgets/normalized_map.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct GenericMap {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 99 |     span_recip: f32, // Small optimization to avoid division operations.
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenericMap` 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 test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "d75fab5c43002043859f23a873b610aae122610f12ee30f8f0bcd33a396f9cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d75fab5c43002043859f23a873b610aae122610f12ee30f8f0bcd33a396f9cbc", kill_on_drop: false }`
[INFO] [stdout] d75fab5c43002043859f23a873b610aae122610f12ee30f8f0bcd33a396f9cbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5b3df81a5f866434d3dc50e0c6d45e152d7fbb8efb32e34752a3ec76bff8bf0c
[INFO] running `Command { std: "docker" "start" "-a" "5b3df81a5f866434d3dc50e0c6d45e152d7fbb8efb32e34752a3ec76bff8bf0c", kill_on_drop: false }`
[INFO] [stderr] warning: field `span_recip` is never read
[INFO] [stderr]   --> src/audio_widgets/normalized_map.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub struct GenericMap {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 99 |     span_recip: f32, // Small optimization to avoid division operations.
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `GenericMap` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tuix_widgets` (lib) generated 1 warning
[INFO] [stderr] warning: `tuix_widgets` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/tuix_widgets-9aec2068704526fb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5b3df81a5f866434d3dc50e0c6d45e152d7fbb8efb32e34752a3ec76bff8bf0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3df81a5f866434d3dc50e0c6d45e152d7fbb8efb32e34752a3ec76bff8bf0c", kill_on_drop: false }`
[INFO] [stdout] 5b3df81a5f866434d3dc50e0c6d45e152d7fbb8efb32e34752a3ec76bff8bf0c