[INFO] cloning repository https://github.com/Ferrerkomi/Bech32KeyGen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ferrerkomi/Bech32KeyGen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFerrerkomi%2FBech32KeyGen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFerrerkomi%2FBech32KeyGen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] daec87b102ae27003d2a859e4ddde90d9059ab98
[INFO] checking Ferrerkomi/Bech32KeyGen against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFerrerkomi%2FBech32KeyGen" "/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/Ferrerkomi/Bech32KeyGen on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ferrerkomi/Bech32KeyGen
[INFO] finished tweaking git repo https://github.com/Ferrerkomi/Bech32KeyGen
[INFO] tweaked toml for git repo https://github.com/Ferrerkomi/Bech32KeyGen written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ferrerkomi/Bech32KeyGen 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 1 package
[INFO] [stderr]       Adding Bech32KeyGen v0.1.0 (/workspace/builds/worker-6-tc1/source)
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded secp256k1 v0.27.0
[INFO] [stderr]   Downloaded serde v1.0.179
[INFO] [stderr]   Downloaded serde_derive v1.0.179
[INFO] [stderr]   Downloaded secp256k1-sys v0.8.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 725a40de5ef07551a75eb185f3bd07fda7348bba3fc51d90c0fdd94f417ddf4c
[INFO] running `Command { std: "docker" "start" "-a" "725a40de5ef07551a75eb185f3bd07fda7348bba3fc51d90c0fdd94f417ddf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "725a40de5ef07551a75eb185f3bd07fda7348bba3fc51d90c0fdd94f417ddf4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725a40de5ef07551a75eb185f3bd07fda7348bba3fc51d90c0fdd94f417ddf4c", kill_on_drop: false }`
[INFO] [stdout] 725a40de5ef07551a75eb185f3bd07fda7348bba3fc51d90c0fdd94f417ddf4c
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5eb5cc21ddaa6e3d6e1721f59199f10231bb177640afc78347f9075f84ab25c1
[INFO] running `Command { std: "docker" "start" "-a" "5eb5cc21ddaa6e3d6e1721f59199f10231bb177640afc78347f9075f84ab25c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling serde v1.0.179
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling serde_derive v1.0.179
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking serde_json v1.0.104
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking thiserror v1.0.44
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-socks v0.5.1
[INFO] [stderr]     Checking tokio-tungstenite v0.17.2
[INFO] [stderr]     Checking Bech32KeyGen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bech32` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bech32::{self, ToBase32, Variant};
[INFO] [stdout]   |              ^^^^ the item `bech32` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bech32` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bech32::{self, ToBase32, Variant};
[INFO] [stdout]   |              ^^^^ the item `bech32` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.61s
[INFO] running `Command { std: "docker" "inspect" "5eb5cc21ddaa6e3d6e1721f59199f10231bb177640afc78347f9075f84ab25c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb5cc21ddaa6e3d6e1721f59199f10231bb177640afc78347f9075f84ab25c1", kill_on_drop: false }`
[INFO] [stdout] 5eb5cc21ddaa6e3d6e1721f59199f10231bb177640afc78347f9075f84ab25c1
[INFO] checking Ferrerkomi/Bech32KeyGen against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFerrerkomi%2FBech32KeyGen" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ferrerkomi/Bech32KeyGen on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ferrerkomi/Bech32KeyGen
[INFO] finished tweaking git repo https://github.com/Ferrerkomi/Bech32KeyGen
[INFO] tweaked toml for git repo https://github.com/Ferrerkomi/Bech32KeyGen written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ferrerkomi/Bech32KeyGen 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]      Locking 1 package
[INFO] [stderr]       Adding Bech32KeyGen v0.1.0 (/workspace/builds/worker-6-tc2/source)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd4b2ea6e4897b1a18488e39505ab1212b8f55f2a3438c1b58a301e1ae458fed
[INFO] running `Command { std: "docker" "start" "-a" "bd4b2ea6e4897b1a18488e39505ab1212b8f55f2a3438c1b58a301e1ae458fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd4b2ea6e4897b1a18488e39505ab1212b8f55f2a3438c1b58a301e1ae458fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4b2ea6e4897b1a18488e39505ab1212b8f55f2a3438c1b58a301e1ae458fed", kill_on_drop: false }`
[INFO] [stdout] bd4b2ea6e4897b1a18488e39505ab1212b8f55f2a3438c1b58a301e1ae458fed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8a8b3f9ed005f10218f5b4974d75a9cdadad8bd3816ca4fb85a6c99d813eef4
[INFO] running `Command { std: "docker" "start" "-a" "e8a8b3f9ed005f10218f5b4974d75a9cdadad8bd3816ca4fb85a6c99d813eef4", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking lock_api v0.4.10
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling serde v1.0.179
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.179
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking serde_json v1.0.104
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking thiserror v1.0.44
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-socks v0.5.1
[INFO] [stderr]     Checking tokio-tungstenite v0.17.2
[INFO] [stderr]     Checking Bech32KeyGen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `bech32` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bech32::{self, ToBase32, Variant};
[INFO] [stdout]   |              ^^^^ the item `bech32` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `bech32` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bech32::{self, ToBase32, Variant};
[INFO] [stdout]   |              ^^^^ the item `bech32` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.75s
[INFO] running `Command { std: "docker" "inspect" "e8a8b3f9ed005f10218f5b4974d75a9cdadad8bd3816ca4fb85a6c99d813eef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a8b3f9ed005f10218f5b4974d75a9cdadad8bd3816ca4fb85a6c99d813eef4", kill_on_drop: false }`
[INFO] [stdout] e8a8b3f9ed005f10218f5b4974d75a9cdadad8bd3816ca4fb85a6c99d813eef4