[INFO] cloning repository https://github.com/WiktorKazmerchuk/passworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WiktorKazmerchuk/passworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiktorKazmerchuk%2Fpassworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiktorKazmerchuk%2Fpassworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5015c484bda0dfa5a96141ea68081085cacec8a3
[INFO] checking WiktorKazmerchuk/passworld against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiktorKazmerchuk%2Fpassworld" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/WiktorKazmerchuk/passworld
[INFO] finished tweaking git repo https://github.com/WiktorKazmerchuk/passworld
[INFO] tweaked toml for git repo https://github.com/WiktorKazmerchuk/passworld written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WiktorKazmerchuk/passworld on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WiktorKazmerchuk/passworld 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97e0549866383e907051af2a8befd5914db4baba15586f12452587cfee3b6c42
[INFO] running `Command { std: "docker" "start" "-a" "97e0549866383e907051af2a8befd5914db4baba15586f12452587cfee3b6c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e0549866383e907051af2a8befd5914db4baba15586f12452587cfee3b6c42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e0549866383e907051af2a8befd5914db4baba15586f12452587cfee3b6c42", kill_on_drop: false }`
[INFO] [stdout] 97e0549866383e907051af2a8befd5914db4baba15586f12452587cfee3b6c42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16ff79eab48564094e9f092d00f05788fba3ac47ae8921e16b267bde0c0dfebd
[INFO] running `Command { std: "docker" "start" "-a" "16ff79eab48564094e9f092d00f05788fba3ac47ae8921e16b267bde0c0dfebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking passworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `pi1` is never read
[INFO] [stdout]   --> src/main.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let mut pi1: usize = 0;
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pi1` is never read
[INFO] [stdout]   --> src/main.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let mut pi1: usize = 0;
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "16ff79eab48564094e9f092d00f05788fba3ac47ae8921e16b267bde0c0dfebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ff79eab48564094e9f092d00f05788fba3ac47ae8921e16b267bde0c0dfebd", kill_on_drop: false }`
[INFO] [stdout] 16ff79eab48564094e9f092d00f05788fba3ac47ae8921e16b267bde0c0dfebd