[INFO] fetching crate gfh 0.0.4...
[INFO] checking gfh-0.0.4 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate gfh 0.0.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate gfh 0.0.4 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc2/source/Cargo.toml
[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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0021aa964979c71447d689c641e0dc348ef5961ba75783c2bbfcff6c5d29db02
[INFO] running `Command { std: "docker" "start" "-a" "0021aa964979c71447d689c641e0dc348ef5961ba75783c2bbfcff6c5d29db02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0021aa964979c71447d689c641e0dc348ef5961ba75783c2bbfcff6c5d29db02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0021aa964979c71447d689c641e0dc348ef5961ba75783c2bbfcff6c5d29db02", kill_on_drop: false }`
[INFO] [stdout] 0021aa964979c71447d689c641e0dc348ef5961ba75783c2bbfcff6c5d29db02
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3203485a341b260781ea256ec40e881d47273d433892b4a7b79a966ce8759dcd
[INFO] running `Command { std: "docker" "start" "-a" "3203485a341b260781ea256ec40e881d47273d433892b4a7b79a966ce8759dcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking subtle v2.4.1
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[INFO] [stderr]     Checking const-oid v0.9.0
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[INFO] [stderr]    Compiling displaydoc v0.2.3
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[INFO] [stderr]     Checking der-parser v8.1.0
[INFO] [stderr]     Checking x509-parser v0.14.0
[INFO] [stderr]     Checking yubikey v0.6.0
[INFO] [stderr]     Checking ctap-hid-fido2 v3.4.2
[INFO] [stderr]     Checking gfh v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: 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]    |                             ^^^^^^^^ unnecessary method call
[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: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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]    |                             ^^^^^^^^ unnecessary method call
[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: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gfh` (bin "gfh-keygen" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `gfh` (bin "gfh-keygen") due to 2 previous errors
[INFO] [stdout] warning: unused imports: `error::Error`, `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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cfg`, `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`, `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: unused imports: `error::Error`, `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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cfg`, `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`, `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: 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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3203485a341b260781ea256ec40e881d47273d433892b4a7b79a966ce8759dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3203485a341b260781ea256ec40e881d47273d433892b4a7b79a966ce8759dcd", kill_on_drop: false }`
[INFO] [stdout] 3203485a341b260781ea256ec40e881d47273d433892b4a7b79a966ce8759dcd