[INFO] cloning repository https://github.com/elsuizo/password-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elsuizo/password-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felsuizo%2Fpassword-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felsuizo%2Fpassword-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 148792a9b7ac93606d786343002335622899c390
[INFO] checking elsuizo/password-generator against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felsuizo%2Fpassword-generator" "/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/elsuizo/password-generator on toolchain 0e517d38ad0e72f93c734b14fabd4bb9b7441de6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elsuizo/password-generator
[INFO] finished tweaking git repo https://github.com/elsuizo/password-generator
[INFO] tweaked toml for git repo https://github.com/elsuizo/password-generator written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/elsuizo/password-generator 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" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c1f1380f0603a98cf8ca15f6981e3ba0a6dbb503b52fcf1c9014ae46dccc8c1
[INFO] running `Command { std: "docker" "start" "-a" "8c1f1380f0603a98cf8ca15f6981e3ba0a6dbb503b52fcf1c9014ae46dccc8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c1f1380f0603a98cf8ca15f6981e3ba0a6dbb503b52fcf1c9014ae46dccc8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1f1380f0603a98cf8ca15f6981e3ba0a6dbb503b52fcf1c9014ae46dccc8c1", kill_on_drop: false }`
[INFO] [stdout] 8c1f1380f0603a98cf8ca15f6981e3ba0a6dbb503b52fcf1c9014ae46dccc8c1
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d33813ba0e23f4bf85578bb92f38f18393692cdada4009aaeaa229ad35a2cbea
[INFO] running `Command { std: "docker" "start" "-a" "d33813ba0e23f4bf85578bb92f38f18393692cdada4009aaeaa229ad35a2cbea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking password-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for i in 0..group_take_size {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for i in 0..group_take_size {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "d33813ba0e23f4bf85578bb92f38f18393692cdada4009aaeaa229ad35a2cbea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33813ba0e23f4bf85578bb92f38f18393692cdada4009aaeaa229ad35a2cbea", kill_on_drop: false }`
[INFO] [stdout] d33813ba0e23f4bf85578bb92f38f18393692cdada4009aaeaa229ad35a2cbea