[INFO] fetching crate karkinos 0.0.1...
[INFO] checking karkinos-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate karkinos 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate karkinos 0.0.1
[INFO] finished tweaking crates.io crate karkinos 0.0.1
[INFO] tweaked toml for crates.io crate karkinos 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate karkinos 0.0.1 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 karkinos 0.0.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5e78af5471191e4941f80bfb0de4d27fc4cf18f03ca09ec0df1ff961d70a6dfa
[INFO] running `Command { std: "docker" "start" "-a" "5e78af5471191e4941f80bfb0de4d27fc4cf18f03ca09ec0df1ff961d70a6dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e78af5471191e4941f80bfb0de4d27fc4cf18f03ca09ec0df1ff961d70a6dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e78af5471191e4941f80bfb0de4d27fc4cf18f03ca09ec0df1ff961d70a6dfa", kill_on_drop: false }`
[INFO] [stdout] 5e78af5471191e4941f80bfb0de4d27fc4cf18f03ca09ec0df1ff961d70a6dfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 17436296133ecd1c79e265bacd49a3761ed35e2d9ca6f2693fccff31d0e9a2f3
[INFO] running `Command { std: "docker" "start" "-a" "17436296133ecd1c79e265bacd49a3761ed35e2d9ca6f2693fccff31d0e9a2f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.110
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[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]    Compiling validator_types v0.16.0
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling if_chain v1.0.3
[INFO] [stderr]    Compiling synstructure v0.13.2
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[INFO] [stderr]     Checking thin-slice v0.1.1
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[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking textwrap v0.16.2
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[INFO] [stderr]     Checking sha2 v0.10.9
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[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]    Compiling cssparser-macros v0.6.1
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[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking zerovec v0.11.4
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[INFO] [stderr]    Compiling validator_derive v0.16.0
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking tinystr v0.8.1
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[INFO] [stderr]     Checking icu_collections v2.0.0
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[INFO] [stderr]     Checking string_cache v0.8.9
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[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking scraper v0.13.0
[INFO] [stderr]     Checking validator v0.16.1
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking karkinos v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `ReturnedData` is never used
[INFO] [stdout]    --> src/types.rs:199:10
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub type ReturnedData = HashMap<String, ReturnedDataItem>;
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReturnedDataItem` is never used
[INFO] [stdout]    --> src/types.rs:203:10
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub enum ReturnedDataItem {
[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/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     format: 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: type alias `ReturnedData` is never used
[INFO] [stdout]    --> src/types.rs:199:10
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub type ReturnedData = HashMap<String, ReturnedDataItem>;
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReturnedDataItem` is never used
[INFO] [stdout]    --> src/types.rs:203:10
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub enum ReturnedDataItem {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `karkinos` (bin "main" test) due to 1 previous error
[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/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     format: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `karkinos` (bin "main") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "17436296133ecd1c79e265bacd49a3761ed35e2d9ca6f2693fccff31d0e9a2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17436296133ecd1c79e265bacd49a3761ed35e2d9ca6f2693fccff31d0e9a2f3", kill_on_drop: false }`
[INFO] [stdout] 17436296133ecd1c79e265bacd49a3761ed35e2d9ca6f2693fccff31d0e9a2f3
