[INFO] fetching crate authenticator-rs 0.2.0...
[INFO] checking authenticator-rs-0.2.0 against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] extracting crate authenticator-rs 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate authenticator-rs 0.2.0 on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 119 packages to latest compatible versions
[INFO] [stderr]       Adding base32 v0.4.0 (available: v0.5.1)
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[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.0)
[INFO] [stderr]       Adding ring v0.16.20 (available: v0.17.8)
[INFO] [stderr]       Adding ureq v1.5.5 (available: v3.0.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 544d3fae5f04542ba329b1123558de8b5233ad4d26a02d899922902dfdf36407
[INFO] running `Command { std: "docker" "start" "-a" "544d3fae5f04542ba329b1123558de8b5233ad4d26a02d899922902dfdf36407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "544d3fae5f04542ba329b1123558de8b5233ad4d26a02d899922902dfdf36407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544d3fae5f04542ba329b1123558de8b5233ad4d26a02d899922902dfdf36407", kill_on_drop: false }`
[INFO] [stdout] 544d3fae5f04542ba329b1123558de8b5233ad4d26a02d899922902dfdf36407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79aac382d70b62b0646e5b98e03fda0db944452ef148b20cd02fb0dce47c5aa8
[INFO] running `Command { std: "docker" "start" "-a" "79aac382d70b62b0646e5b98e03fda0db944452ef148b20cd02fb0dce47c5aa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
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[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] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking publicsuffix v1.5.6
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.24s
[INFO] running `Command { std: "docker" "inspect" "79aac382d70b62b0646e5b98e03fda0db944452ef148b20cd02fb0dce47c5aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79aac382d70b62b0646e5b98e03fda0db944452ef148b20cd02fb0dce47c5aa8", kill_on_drop: false }`
[INFO] [stdout] 79aac382d70b62b0646e5b98e03fda0db944452ef148b20cd02fb0dce47c5aa8