[INFO] fetching crate authenticator-rs 0.2.0...
[INFO] checking authenticator-rs-0.2.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate authenticator-rs 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate authenticator-rs 0.2.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate authenticator-rs 0.2.0
[INFO] finished tweaking crates.io crate authenticator-rs 0.2.0
[INFO] tweaked toml for crates.io crate authenticator-rs 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 92 packages to latest compatible versions
[INFO] [stderr]       Adding base32 v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.1)
[INFO] [stderr]       Adding cookie v0.14.4 (latest: v0.18.1)
[INFO] [stderr]       Adding cookie_store v0.12.0 (latest: v0.21.0)
[INFO] [stderr]       Adding idna v0.2.3 (latest: v1.0.2)
[INFO] [stderr]       Adding idna v0.5.0 (latest: v1.0.2)
[INFO] [stderr]       Adding image v0.23.14 (latest: v0.25.2)
[INFO] [stderr]       Adding num-rational v0.3.2 (latest: v0.4.2)
[INFO] [stderr]       Adding publicsuffix v1.5.6 (latest: v2.2.3)
[INFO] [stderr]       Adding qrcode v0.12.0 (latest: v0.14.1)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.1)
[INFO] [stderr]       Adding rustls v0.19.1 (latest: v0.23.12)
[INFO] [stderr]       Adding sct v0.6.1 (latest: v0.7.1)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding sha1 v0.6.1 (latest: v0.10.6)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding standback v0.2.17 (latest: v0.4.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.76)
[INFO] [stderr]       Adding time v0.2.27 (latest: v0.3.36)
[INFO] [stderr]       Adding time-macros v0.1.1 (latest: v0.2.18)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding ureq v1.5.5 (latest: v2.10.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding webpki v0.21.4 (latest: v0.22.4)
[INFO] [stderr]       Adding webpki-roots v0.21.1 (latest: v0.26.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qstring v0.7.2
[INFO] [stderr]   Downloaded checked_int_cast v1.0.0
[INFO] [stderr]   Downloaded base32 v0.4.0
[INFO] [stderr]   Downloaded chunked_transfer v1.5.0
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded sct v0.6.1
[INFO] [stderr]   Downloaded ureq v1.5.5
[INFO] [stderr]   Downloaded qrcode v0.12.0
[INFO] [stderr]   Downloaded rustls v0.19.1
[INFO] [stderr]   Downloaded webpki v0.21.4
[INFO] [stderr]   Downloaded image v0.23.14
[INFO] [stderr]   Downloaded webpki-roots v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44ca0f306d89a6f4ffc37959ba216fe448446bfb37082d904bafddc1c32b402d
[INFO] running `Command { std: "docker" "start" "-a" "44ca0f306d89a6f4ffc37959ba216fe448446bfb37082d904bafddc1c32b402d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44ca0f306d89a6f4ffc37959ba216fe448446bfb37082d904bafddc1c32b402d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ca0f306d89a6f4ffc37959ba216fe448446bfb37082d904bafddc1c32b402d", kill_on_drop: false }`
[INFO] [stdout] 44ca0f306d89a6f4ffc37959ba216fe448446bfb37082d904bafddc1c32b402d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fc31d150f0eed2b2ae644371c8020c29a2df91eeb534ba9a76f513df8a0f81f
[INFO] running `Command { std: "docker" "start" "-a" "4fc31d150f0eed2b2ae644371c8020c29a2df91eeb534ba9a76f513df8a0f81f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]    Compiling const_fn v0.4.10
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking chunked_transfer v1.5.0
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking authenticator-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/authenticator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/authenticator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Algorithm`
[INFO] [stdout]  --> src/authenticator.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ring::hmac::{Algorithm, HMAC_SHA1_FOR_LEGACY_USE_ONLY, Key};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `output` is never read
[INFO] [stdout]   --> src/authenticator.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut output = Vec::new();
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALPHABET` is never used
[INFO] [stdout]  --> src/authenticator.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const ALPHABET: [char; 32] = [
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_PINCODE_LENGTH` is never used
[INFO] [stdout]   --> src/authenticator.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MAX_PINCODE_LENGTH: u16 = 9;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SECRET_MAX_LEN` is never used
[INFO] [stdout]   --> src/authenticator.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const SECRET_MAX_LEN: usize = 128;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SECRET_MIN_LEN` is never used
[INFO] [stdout]   --> src/authenticator.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const SECRET_MIN_LEN: usize = 16;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIGITS_POWER` is never used
[INFO] [stdout]   --> src/authenticator.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const DIGITS_POWER: [i32; 10] = [1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000];
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `sign` is never used
[INFO] [stdout]   --> src/authenticator.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait Signer {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] 22 |     fn sign(&self, data: &[u8]) -> Vec<u8>;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_secret` is never used
[INFO] [stdout]   --> src/authenticator.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn create_secret(length: u8) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `current_pin_code` is never used
[INFO] [stdout]   --> src/authenticator.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn current_pin_code(secret: &str, code_len: u16) -> Result<String, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_signer` is never used
[INFO] [stdout]   --> src/authenticator.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn get_signer(secret_key: &[u8]) -> Box<dyn Signer> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `base32_decode` is never used
[INFO] [stdout]   --> src/authenticator.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn base32_decode(secret: &str) -> Result<Vec<u8>, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Authenticator` is never constructed
[INFO] [stdout]   --> src/authenticator.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Authenticator {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `generate_response_code` are never used
[INFO] [stdout]   --> src/authenticator.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl Authenticator {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 76 |     pub fn new(signer: Box<dyn Signer>, code_len: u16) -> Result<Self, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub fn generate_response_code(&self, otp_state: u64) -> Result<String, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking ureq v1.5.5
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/authenticator.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::result`
[INFO] [stdout]  --> src/authenticator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::result;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Algorithm`
[INFO] [stdout]  --> src/authenticator.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ring::hmac::{Algorithm, HMAC_SHA1_FOR_LEGACY_USE_ONLY, Key};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `output` is never read
[INFO] [stdout]   --> src/authenticator.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut output = Vec::new();
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.42s
[INFO] running `Command { std: "docker" "inspect" "4fc31d150f0eed2b2ae644371c8020c29a2df91eeb534ba9a76f513df8a0f81f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fc31d150f0eed2b2ae644371c8020c29a2df91eeb534ba9a76f513df8a0f81f", kill_on_drop: false }`
[INFO] [stdout] 4fc31d150f0eed2b2ae644371c8020c29a2df91eeb534ba9a76f513df8a0f81f