[INFO] fetching crate caniuse-rs 0.4.1...
[INFO] checking caniuse-rs-0.4.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate caniuse-rs 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate caniuse-rs 0.4.1
[INFO] finished tweaking crates.io crate caniuse-rs 0.4.1
[INFO] tweaked toml for crates.io crate caniuse-rs 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate caniuse-rs 0.4.1 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 caniuse-rs 0.4.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 35e01ce909af35d56f18a89c164ca167a8f0f963a47e0ac9d819a36c190542cc
[INFO] running `Command { std: "docker" "start" "-a" "35e01ce909af35d56f18a89c164ca167a8f0f963a47e0ac9d819a36c190542cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35e01ce909af35d56f18a89c164ca167a8f0f963a47e0ac9d819a36c190542cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e01ce909af35d56f18a89c164ca167a8f0f963a47e0ac9d819a36c190542cc", kill_on_drop: false }`
[INFO] [stdout] 35e01ce909af35d56f18a89c164ca167a8f0f963a47e0ac9d819a36c190542cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e86319b18cfddbe1827b1b5354774d99df652b1a2519b429e5d37c2e7fc0d316
[INFO] running `Command { std: "docker" "start" "-a" "e86319b18cfddbe1827b1b5354774d99df652b1a2519b429e5d37c2e7fc0d316", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]     Checking pin-project-lite v0.2.7
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[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.4
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[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.18
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling serde_derive v1.0.130
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[INFO] [stderr]    Compiling time v0.2.27
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[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking httpdate v1.0.2
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[INFO] [stderr]     Checking clap v2.34.0
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[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking tuikit v0.4.5
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.7
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[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking skim v0.9.4
[INFO] [stderr]     Checking hyper v0.14.15
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[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking reqwest v0.11.7
[INFO] [stderr]     Checking caniuse-rs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/opts.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     #[structopt(
[INFO] [stdout] 28 | |         short,
[INFO] [stdout] 29 | |         long,
[INFO] [stdout] 30 | |         help = "Run a query and output the JSON results instead of using the fuzzy-finder"
[INFO] [stdout] 31 | |     )]
[INFO] [stdout] 32 | |     pub query: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/skim_finder.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn text(&self) -> std::borrow::Cow<str> {
[INFO] [stdout]   |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn text(&self) -> std::borrow::Cow<'_, str> {
[INFO] [stdout]   |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `caniuse-rs` (bin "caniuse" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/opts.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     #[structopt(
[INFO] [stdout] 28 | |         short,
[INFO] [stdout] 29 | |         long,
[INFO] [stdout] 30 | |         help = "Run a query and output the JSON results instead of using the fuzzy-finder"
[INFO] [stdout] 31 | |     )]
[INFO] [stdout] 32 | |     pub query: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/skim_finder.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn text(&self) -> std::borrow::Cow<str> {
[INFO] [stdout]   |             ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |             |
[INFO] [stdout]   |             the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn text(&self) -> std::borrow::Cow<'_, str> {
[INFO] [stdout]   |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `caniuse-rs` (bin "caniuse") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e86319b18cfddbe1827b1b5354774d99df652b1a2519b429e5d37c2e7fc0d316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86319b18cfddbe1827b1b5354774d99df652b1a2519b429e5d37c2e7fc0d316", kill_on_drop: false }`
[INFO] [stdout] e86319b18cfddbe1827b1b5354774d99df652b1a2519b429e5d37c2e7fc0d316
