[INFO] updating cached repository https://github.com/jafow/ghsign
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bf1b87850931f0362e9d2a9016ef05ccc1b54550
[INFO] checking jafow/ghsign against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjafow%2Fghsign" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jafow/ghsign on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jafow/ghsign
[INFO] finished tweaking git repo https://github.com/jafow/ghsign
[INFO] tweaked toml for git repo https://github.com/jafow/ghsign written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jafow/ghsign already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 86c8c1c0ec69555a8e093b413d76a8a2c62caa315ff9c6578c8c7959a15751d7
[INFO] running `"docker" "start" "-a" "86c8c1c0ec69555a8e093b413d76a8a2c62caa315ff9c6578c8c7959a15751d7"`
[INFO] [stderr]    Compiling cc v1.0.12
[INFO] [stderr]     Checking socket2 v0.3.5
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking serde_urlencoded v0.5.1
[INFO] [stderr]     Checking hyper v0.11.25
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling curl-sys v0.4.2
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]     Checking reqwest v0.8.5
[INFO] [stderr]     Checking curl v0.4.12
[INFO] [stderr]     Checking ghsign v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `pk`
[INFO] [stderr]   --> lib/lib.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let pk = self.fetch_key();
[INFO] [stderr]    |             ^^ help: consider prefixing with an underscore: `_pk`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pk`
[INFO] [stderr]   --> lib/lib.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let pk = self.fetch_key();
[INFO] [stderr]    |             ^^ help: consider prefixing with an underscore: `_pk`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`
[INFO] [stderr]  --> src/main.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use clap::{Arg, App};
[INFO] [stderr]   |            ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let data: String = String::from("hello world");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signer`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let signer = user.sign();
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_signer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`
[INFO] [stderr]  --> src/main.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use clap::{Arg, App};
[INFO] [stderr]   |            ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let data: String = String::from("hello world");
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signer`
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let signer = user.sign();
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_signer`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 42s
[INFO] running `"docker" "inspect" "86c8c1c0ec69555a8e093b413d76a8a2c62caa315ff9c6578c8c7959a15751d7"`
[INFO] running `"docker" "rm" "-f" "86c8c1c0ec69555a8e093b413d76a8a2c62caa315ff9c6578c8c7959a15751d7"`
[INFO] [stdout] 86c8c1c0ec69555a8e093b413d76a8a2c62caa315ff9c6578c8c7959a15751d7