[INFO] fetching crate slauth 0.7.21...
[INFO] checking slauth-0.7.21 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate slauth 0.7.21 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate slauth 0.7.21
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate slauth 0.7.21
[INFO] tweaked toml for crates.io crate slauth 0.7.21 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slauth 0.7.21 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slauth 0.7.21 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89bf788e59f797541f9c99eace065bc99876d417355ab0a7acb22549401fac3f
[INFO] running `Command { std: "docker" "start" "-a" "89bf788e59f797541f9c99eace065bc99876d417355ab0a7acb22549401fac3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89bf788e59f797541f9c99eace065bc99876d417355ab0a7acb22549401fac3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bf788e59f797541f9c99eace065bc99876d417355ab0a7acb22549401fac3f", kill_on_drop: false }`
[INFO] [stdout] 89bf788e59f797541f9c99eace065bc99876d417355ab0a7acb22549401fac3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e175432ffa224f6e7b158483847d20e79cddb600c5df18d627fcefe8f08970a
[INFO] running `Command { std: "docker" "start" "-a" "0e175432ffa224f6e7b158483847d20e79cddb600c5df18d627fcefe8f08970a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking base64ct v1.8.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
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[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]     Checking deranged v0.5.5
[INFO] [stderr]    Compiling getrandom v0.3.4
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[INFO] [stderr]    Compiling cc v1.2.50
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
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[INFO] [stderr]     Checking num-traits v0.2.19
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[INFO] [stderr]    Compiling ring v0.17.14
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[INFO] [stderr]     Checking sec1 v0.7.3
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[INFO] [stderr]     Checking base32 v0.5.1
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[INFO] [stderr]     Checking rand v0.9.2
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[INFO] [stderr]     Checking p256 v0.13.2
[INFO] [stderr]     Checking rsa v0.9.9
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling saphir_macro v2.2.0
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling asn1-rs-impl v0.2.0
[INFO] [stderr]    Compiling asn1-rs-derive v0.6.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]     Checking async-stream v0.3.3
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking webpki v0.22.4
[INFO] [stderr]     Checking asn1-rs v0.7.1
[INFO] [stderr]     Checking ed25519-dalek v2.2.0
[INFO] [stderr]     Checking der-parser v10.0.0
[INFO] [stderr]     Checking x509-parser v0.17.0
[INFO] [stderr]     Checking slauth v0.7.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stdout] error: struct `U2FSToken` is never constructed
[INFO] [stdout]    --> src/u2f/client/token.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct U2FSToken {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `U2fHidFrame` is never constructed
[INFO] [stdout]   --> src/u2f/proto/hid.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub struct U2fHidFrame {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `U2fHidInitReq` is never constructed
[INFO] [stdout]    --> src/u2f/proto/hid.rs:119:16
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub struct U2fHidInitReq {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `U2fHidInitRsp` is never constructed
[INFO] [stdout]    --> src/u2f/proto/hid.rs:123:16
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub struct U2fHidInitRsp {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `U2fHidSyncReq` is never constructed
[INFO] [stdout]    --> src/u2f/proto/hid.rs:135:16
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub struct U2fHidSyncReq {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `U2fHidSyncRsp` is never constructed
[INFO] [stdout]    --> src/u2f/proto/hid.rs:139:16
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub struct U2fHidSyncRsp {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slauth` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e175432ffa224f6e7b158483847d20e79cddb600c5df18d627fcefe8f08970a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e175432ffa224f6e7b158483847d20e79cddb600c5df18d627fcefe8f08970a", kill_on_drop: false }`
[INFO] [stdout] 0e175432ffa224f6e7b158483847d20e79cddb600c5df18d627fcefe8f08970a
