[INFO] cloning repository https://github.com/ocramh/hexagon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ocramh/hexagon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focramh%2Fhexagon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focramh%2Fhexagon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9d600409f854252a3921bd7f0ecc5a8431b09da
[INFO] checking ocramh/hexagon against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focramh%2Fhexagon" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ocramh/hexagon 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/ocramh/hexagon
[INFO] finished tweaking git repo https://github.com/ocramh/hexagon
[INFO] tweaked toml for git repo https://github.com/ocramh/hexagon written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ocramh/hexagon 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 serde v1.0.131
[INFO] [stderr]   Downloaded sodiumoxide v0.2.7
[INFO] [stderr]   Downloaded libsodium-sys v0.2.7
[INFO] [stderr]   Downloaded openssl-src v300.0.3+3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 380b38318e24ac16ac30339e22bda5de8e53739034dd6a2d6d5c814acf91772d
[INFO] running `Command { std: "docker" "start" "-a" "380b38318e24ac16ac30339e22bda5de8e53739034dd6a2d6d5c814acf91772d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "380b38318e24ac16ac30339e22bda5de8e53739034dd6a2d6d5c814acf91772d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380b38318e24ac16ac30339e22bda5de8e53739034dd6a2d6d5c814acf91772d", kill_on_drop: false }`
[INFO] [stdout] 380b38318e24ac16ac30339e22bda5de8e53739034dd6a2d6d5c814acf91772d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a5c0106d2667869ed27535525aaef95bfa2a22e6c1c8cb6c23aefe6facd2d5b1
[INFO] running `Command { std: "docker" "start" "-a" "a5c0106d2667869ed27535525aaef95bfa2a22e6c1c8cb6c23aefe6facd2d5b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling pkg-config v0.3.23
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking signature v1.4.0
[INFO] [stderr]     Checking ed25519 v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling openssl-src v300.0.3+3.0.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking sodiumoxide v0.2.7
[INFO] [stderr]     Checking hexagon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `gen_keypair` is never used
[INFO] [stdout]  --> src/crypto/asymmetric/encryption.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait AsymmetricEncryptor {
[INFO] [stdout]   |           ------------------- method in this trait
[INFO] [stdout] 7 |   // gen_keypair generates a KeyPair
[INFO] [stdout] 8 |   fn gen_keypair(&self, size: KeySize) -> Result<KeyPair, CryptoError>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `public` is never read
[INFO] [stdout]   --> src/crypto/asymmetric/keygen.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct KeyPair {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 40 |   pub private: PrivateKey,
[INFO] [stdout] 41 |   pub public: PublicKey,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `gen_random_key` is never used
[INFO] [stdout]   --> src/crypto/symmetric/encryption.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait SymmetricEncryptor {
[INFO] [stdout]    |           ------------------ method in this trait
[INFO] [stdout] 12 |   // generates a 32 bytes random key
[INFO] [stdout] 13 |   fn gen_random_key(&self) -> Key;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `gen_random_key` is never used
[INFO] [stdout]   --> src/crypto/symmetric/encryption.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait SymmetricEncryptor {
[INFO] [stdout]    |           ------------------ method in this trait
[INFO] [stdout] 12 |   // generates a 32 bytes random key
[INFO] [stdout] 13 |   fn gen_random_key(&self) -> Key;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "a5c0106d2667869ed27535525aaef95bfa2a22e6c1c8cb6c23aefe6facd2d5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c0106d2667869ed27535525aaef95bfa2a22e6c1c8cb6c23aefe6facd2d5b1", kill_on_drop: false }`
[INFO] [stdout] a5c0106d2667869ed27535525aaef95bfa2a22e6c1c8cb6c23aefe6facd2d5b1