[INFO] updating cached repository https://github.com/justinnoah/rtracker
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d80d3b1531a50daf004c4b6ec2368c7c03bd220a
[INFO] checking justinnoah/rtracker against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinnoah%2Frtracker" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinnoah/rtracker on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/justinnoah/rtracker
[INFO] finished tweaking git repo https://github.com/justinnoah/rtracker
[INFO] tweaked toml for git repo https://github.com/justinnoah/rtracker written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/justinnoah/rtracker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fd2f99ae960cd9362f1ad0b5bc7131d97622a416cd92a1cb5afef2071c0ef53f
[INFO] running `"docker" "start" "-a" "fd2f99ae960cd9362f1ad0b5bc7131d97622a416cd92a1cb5afef2071c0ef53f"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling libsqlite3-sys v0.15.0
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.1
[INFO] [stderr]     Checking r2d2 v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking serde v1.0.94
[INFO] [stderr]     Checking rusqlite v0.19.0
[INFO] [stderr]     Checking r2d2_sqlite v0.11.0
[INFO] [stderr]     Checking bincode v1.1.4
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking rtracker v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `ip` is never read
[INFO] [stderr]    --> src/handler.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let mut ip = String::new();
[INFO] [stderr]     |                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ip` is never read
[INFO] [stderr]    --> src/handler.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let mut ip = String::new();
[INFO] [stderr]     |                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "fd2f99ae960cd9362f1ad0b5bc7131d97622a416cd92a1cb5afef2071c0ef53f"`
[INFO] running `"docker" "rm" "-f" "fd2f99ae960cd9362f1ad0b5bc7131d97622a416cd92a1cb5afef2071c0ef53f"`
[INFO] [stdout] fd2f99ae960cd9362f1ad0b5bc7131d97622a416cd92a1cb5afef2071c0ef53f