[INFO] cloning repository https://github.com/icssc/matchy-meetups-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/icssc/matchy-meetups-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficssc%2Fmatchy-meetups-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficssc%2Fmatchy-meetups-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ea1b75e2e33d5fe10b5a32970a53f15decd9085
[INFO] checking icssc/matchy-meetups-bot against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficssc%2Fmatchy-meetups-bot" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/icssc/matchy-meetups-bot
[INFO] finished tweaking git repo https://github.com/icssc/matchy-meetups-bot
[INFO] tweaked toml for git repo https://github.com/icssc/matchy-meetups-bot written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/icssc/matchy-meetups-bot on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/icssc/matchy-meetups-bot 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4947a15c92806ec73f59b8493abf43d2c4464c8dbba3027368a5c49e82871342
[INFO] running `Command { std: "docker" "start" "-a" "4947a15c92806ec73f59b8493abf43d2c4464c8dbba3027368a5c49e82871342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4947a15c92806ec73f59b8493abf43d2c4464c8dbba3027368a5c49e82871342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4947a15c92806ec73f59b8493abf43d2c4464c8dbba3027368a5c49e82871342", kill_on_drop: false }`
[INFO] [stdout] 4947a15c92806ec73f59b8493abf43d2c4464c8dbba3027368a5c49e82871342
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7673f936684bb9d8ded0e0ce604416bc7bff5453935ba34a8c8142ed6306edee
[INFO] running `Command { std: "docker" "start" "-a" "7673f936684bb9d8ded0e0ce604416bc7bff5453935ba34a8c8142ed6306edee", kill_on_drop: false }`
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[INFO] [stdout] warning: function `random_pair` is never used
[INFO] [stdout]   --> src/matching.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn random_pair<T: Clone>(vec: Vec<T>, seed: u64) -> Pairing<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_pair` is never used
[INFO] [stdout]   --> src/matching.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn random_pair<T: Clone>(vec: Vec<T>, seed: u64) -> Pairing<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "7673f936684bb9d8ded0e0ce604416bc7bff5453935ba34a8c8142ed6306edee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7673f936684bb9d8ded0e0ce604416bc7bff5453935ba34a8c8142ed6306edee", kill_on_drop: false }`
[INFO] [stdout] 7673f936684bb9d8ded0e0ce604416bc7bff5453935ba34a8c8142ed6306edee
