[INFO] cloning repository https://github.com/martynp/tangy-lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martynp/tangy-lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartynp%2Ftangy-lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartynp%2Ftangy-lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9e47590845112802f751297df5c43aaa9785e78
[INFO] checking martynp/tangy-lib against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartynp%2Ftangy-lib" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martynp/tangy-lib 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 git repo https://github.com/martynp/tangy-lib
[INFO] finished tweaking git repo https://github.com/martynp/tangy-lib
[INFO] tweaked toml for git repo https://github.com/martynp/tangy-lib written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/martynp/tangy-lib 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded pem-rfc7468 v0.7.0
[INFO] [stderr]   Downloaded p521 v0.13.3
[INFO] [stderr]   Downloaded serdect v0.2.0
[INFO] [stderr]   Downloaded primeorder v0.13.6
[INFO] [stderr]   Downloaded hkdf v0.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 919d35f12a70954fcf874d335ef02b840ec96d72e85e87d3f1faf8eec02472e7
[INFO] running `Command { std: "docker" "start" "-a" "919d35f12a70954fcf874d335ef02b840ec96d72e85e87d3f1faf8eec02472e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "919d35f12a70954fcf874d335ef02b840ec96d72e85e87d3f1faf8eec02472e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919d35f12a70954fcf874d335ef02b840ec96d72e85e87d3f1faf8eec02472e7", kill_on_drop: false }`
[INFO] [stdout] 919d35f12a70954fcf874d335ef02b840ec96d72e85e87d3f1faf8eec02472e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e36117c1cad316eed5e4ccd6ed517478067663313af09fc1d1219a5bb5d38747
[INFO] running `Command { std: "docker" "start" "-a" "e36117c1cad316eed5e4ccd6ed517478067663313af09fc1d1219a5bb5d38747", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serdect v0.2.0
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking primeorder v0.13.6
[INFO] [stderr]     Checking p521 v0.13.3
[INFO] [stderr]     Checking tangy-lib v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:670:13
[INFO] [stdout]     |
[INFO] [stdout] 670 |         let mut t = TangyLib::init(KeySource::Vector(&v)).unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:700:13
[INFO] [stdout]     |
[INFO] [stdout] 700 |         let mut t = TangyLib::init(KeySource::Vector(&v)).unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `JWK_ECMR_THUMBPRINT` is never used
[INFO] [stdout]    --> src/lib.rs:651:11
[INFO] [stdout]     |
[INFO] [stdout] 651 |     const JWK_ECMR_THUMBPRINT: &str = "UFgqx9-PLx_h6h4hd6sysNHMC6cDyjBQOYZHFvObLbo";
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kty`, `crv`, `x`, and `y` are never read
[INFO] [stdout]    --> src/lib.rs:680:13
[INFO] [stdout]     |
[INFO] [stdout] 679 |         struct Key {
[INFO] [stdout]     |                --- fields in this struct
[INFO] [stdout] 680 |             kty: String,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 681 |             crv: String,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 682 |             x: String,
[INFO] [stdout]     |             ^
[INFO] [stdout] 683 |             y: String,
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kty`, `crv`, `x`, and `y` are never read
[INFO] [stdout]    --> src/lib.rs:710:13
[INFO] [stdout]     |
[INFO] [stdout] 709 |         struct Key {
[INFO] [stdout]     |                --- fields in this struct
[INFO] [stdout] 710 |             kty: String,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 711 |             crv: String,
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 712 |             x: String,
[INFO] [stdout]     |             ^
[INFO] [stdout] 713 |             y: String,
[INFO] [stdout]     |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.86s
[INFO] running `Command { std: "docker" "inspect" "e36117c1cad316eed5e4ccd6ed517478067663313af09fc1d1219a5bb5d38747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36117c1cad316eed5e4ccd6ed517478067663313af09fc1d1219a5bb5d38747", kill_on_drop: false }`
[INFO] [stdout] e36117c1cad316eed5e4ccd6ed517478067663313af09fc1d1219a5bb5d38747