[INFO] fetching crate eww_shared_util 0.1.0...
[INFO] checking eww_shared_util-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate eww_shared_util 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate eww_shared_util 0.1.0
[INFO] finished tweaking crates.io crate eww_shared_util 0.1.0
[INFO] tweaked toml for crates.io crate eww_shared_util 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate eww_shared_util 0.1.0 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] 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 13 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 17c3b0049eecf669b62bad9945a87334f7b915ae089c0a83877a680e55466898
[INFO] running `Command { std: "docker" "start" "-a" "17c3b0049eecf669b62bad9945a87334f7b915ae089c0a83877a680e55466898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17c3b0049eecf669b62bad9945a87334f7b915ae089c0a83877a680e55466898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c3b0049eecf669b62bad9945a87334f7b915ae089c0a83877a680e55466898", kill_on_drop: false }`
[INFO] [stdout] 17c3b0049eecf669b62bad9945a87334f7b915ae089c0a83877a680e55466898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1ca8b1aac5627aff57d399ab1663e9585e52855b19892decfcf9b5cf295f1c0c
[INFO] running `Command { std: "docker" "start" "-a" "1ca8b1aac5627aff57d399ab1663e9585e52855b19892decfcf9b5cf295f1c0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking eww_shared_util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<VarName, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `FromStr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/wrappers.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FromStr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VarName, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AttrName, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FromStr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/wrappers.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FromStr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AttrName, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eww_shared_util` (lib test) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<VarName, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `FromStr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/wrappers.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FromStr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VarName, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AttrName, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FromStr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]   --> src/wrappers.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FromStr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AttrName, Infallible>
[INFO] [stdout]   --> src/wrappers.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     FromStr,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `eww_shared_util` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "1ca8b1aac5627aff57d399ab1663e9585e52855b19892decfcf9b5cf295f1c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca8b1aac5627aff57d399ab1663e9585e52855b19892decfcf9b5cf295f1c0c", kill_on_drop: false }`
[INFO] [stdout] 1ca8b1aac5627aff57d399ab1663e9585e52855b19892decfcf9b5cf295f1c0c
