[INFO] fetching crate yubico_otp 0.1.0...
[INFO] checking yubico_otp-0.1.0 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate yubico_otp 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate yubico_otp 0.1.0
[INFO] finished tweaking crates.io crate yubico_otp 0.1.0
[INFO] tweaked toml for crates.io crate yubico_otp 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yubico_otp 0.1.0 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 yubico_otp 0.1.0 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0999dfd7155f461b5c5c93d74e4f6f492932e0f3b0c1ac7d47c1a5317756dbe
[INFO] running `Command { std: "docker" "start" "-a" "e0999dfd7155f461b5c5c93d74e4f6f492932e0f3b0c1ac7d47c1a5317756dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0999dfd7155f461b5c5c93d74e4f6f492932e0f3b0c1ac7d47c1a5317756dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0999dfd7155f461b5c5c93d74e4f6f492932e0f3b0c1ac7d47c1a5317756dbe", kill_on_drop: false }`
[INFO] [stdout] e0999dfd7155f461b5c5c93d74e4f6f492932e0f3b0c1ac7d47c1a5317756dbe
[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" "-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] 9bb53e90f2568b74fcf7bde897a2d3ad55061b59e4562311cdd99a186b381414
[INFO] running `Command { std: "docker" "start" "-a" "9bb53e90f2568b74fcf7bde897a2d3ad55061b59e4562311cdd99a186b381414", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling tokio v1.29.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking yubico_otp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `ModHex` is never constructed
[INFO] [stdout]  --> src/modhex.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ModHex<'a>(&'a str);
[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] warning: field `0` is never read
[INFO] [stdout]  --> src/modhex.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ModHex<'a>(&'a str);
[INFO] [stdout]   |            ------     ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yubico_otp` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `ModHex` is never constructed
[INFO] [stdout]  --> src/modhex.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ModHex<'a>(&'a str);
[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] warning: field `0` is never read
[INFO] [stdout]  --> src/modhex.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ModHex<'a>(&'a str);
[INFO] [stdout]   |            ------     ^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yubico_otp` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9bb53e90f2568b74fcf7bde897a2d3ad55061b59e4562311cdd99a186b381414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb53e90f2568b74fcf7bde897a2d3ad55061b59e4562311cdd99a186b381414", kill_on_drop: false }`
[INFO] [stdout] 9bb53e90f2568b74fcf7bde897a2d3ad55061b59e4562311cdd99a186b381414
