[INFO] fetching crate gfh 0.0.4...
[INFO] checking gfh-0.0.4 against 1.95.0 for pr-155915
[INFO] extracting crate gfh 0.0.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate gfh 0.0.4
[INFO] finished tweaking crates.io crate gfh 0.0.4
[INFO] tweaked toml for crates.io crate gfh 0.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gfh 0.0.4 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gfh 0.0.4 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oid-registry v0.6.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f77c8297619227098daa68c5e7097a88adfa7ac923ac0d3fa1af301a6eb7455
[INFO] running `Command { std: "docker" "start" "-a" "3f77c8297619227098daa68c5e7097a88adfa7ac923ac0d3fa1af301a6eb7455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f77c8297619227098daa68c5e7097a88adfa7ac923ac0d3fa1af301a6eb7455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f77c8297619227098daa68c5e7097a88adfa7ac923ac0d3fa1af301a6eb7455", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18fe9d96d5eadf40fcb2e9a708c31d2dae9c85547ab313b8a46616ab60148023
[INFO] running `Command { std: "docker" "start" "-a" "18fe9d96d5eadf40fcb2e9a708c31d2dae9c85547ab313b8a46616ab60148023", kill_on_drop: false }`
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[INFO] [stderr]     Checking ctap-hid-fido2 v3.4.2
[INFO] [stderr]     Checking gfh v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error` and `fs`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{error::Error, fs};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cfg` and `FidoKeyHidFactory`
[INFO] [stdout]  --> src/add_key.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ctap_hid_fido2::{util::to_hex_str, Cfg, FidoKeyHidFactory};
[INFO] [stdout]   |                                        ^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FidoDevice` and `yubikey`
[INFO] [stdout]   --> src/add_key.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     util::{self, FidoDevice},
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 11 |     yubikey,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bin/gfh-keygen.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |         .find(|(_, arg)| arg.clone() == &String::from("-f"))
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `String` does not implement `Clone`, so calling `clone` on `&String` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 15 -         .find(|(_, arg)| arg.clone() == &String::from("-f"))
[INFO] [stdout] 15 +         .find(|(_, arg)| arg == &String::from("-f"))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FidoDescriptorAndEntity` is never constructed
[INFO] [stdout]   --> src/add_key.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct FidoDescriptorAndEntity {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sha256` is never used
[INFO] [stdout]   --> src/util.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn sha256(input: &str) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/bin/gfh-keygen.rs:15:29
[INFO] [stdout]    |
[INFO] [stdout] 15 |         .find(|(_, arg)| arg.clone() == &String::from("-f"))
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `String` does not implement `Clone`, so calling `clone` on `&String` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 15 -         .find(|(_, arg)| arg.clone() == &String::from("-f"))
[INFO] [stdout] 15 +         .find(|(_, arg)| arg == &String::from("-f"))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error::Error` and `fs`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{error::Error, fs};
[INFO] [stdout]   |           ^^^^^^^^^^^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cfg` and `FidoKeyHidFactory`
[INFO] [stdout]  --> src/add_key.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ctap_hid_fido2::{util::to_hex_str, Cfg, FidoKeyHidFactory};
[INFO] [stdout]   |                                        ^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FidoDevice` and `yubikey`
[INFO] [stdout]   --> src/add_key.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |     util::{self, FidoDevice},
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 11 |     yubikey,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FidoDescriptorAndEntity` is never constructed
[INFO] [stdout]   --> src/add_key.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct FidoDescriptorAndEntity {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sha256` is never used
[INFO] [stdout]   --> src/util.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn sha256(input: &str) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "18fe9d96d5eadf40fcb2e9a708c31d2dae9c85547ab313b8a46616ab60148023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18fe9d96d5eadf40fcb2e9a708c31d2dae9c85547ab313b8a46616ab60148023", kill_on_drop: false }`
[INFO] [stdout] 18fe9d96d5eadf40fcb2e9a708c31d2dae9c85547ab313b8a46616ab60148023
