[INFO] cloning repository https://github.com/john-craig/totp-port-knockd-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/john-craig/totp-port-knockd-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn-craig%2Ftotp-port-knockd-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn-craig%2Ftotp-port-knockd-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1ca6723fb869122fa227019399140c91d3cacc8
[INFO] checking john-craig/totp-port-knockd-rs against try#81185c2d21df0ba45fd33e65bbdce76dc0d89bd9 for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohn-craig%2Ftotp-port-knockd-rs" "/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/john-craig/totp-port-knockd-rs on toolchain 81185c2d21df0ba45fd33e65bbdce76dc0d89bd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/john-craig/totp-port-knockd-rs
[INFO] finished tweaking git repo https://github.com/john-craig/totp-port-knockd-rs
[INFO] tweaked toml for git repo https://github.com/john-craig/totp-port-knockd-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/john-craig/totp-port-knockd-rs 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" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded fork v0.2.0
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[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+81185c2d21df0ba45fd33e65bbdce76dc0d89bd9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking totp-port-knockd-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Fork` and `fork`
[INFO] [stdout]   --> src/cmds/totp-knockd.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use fork::{fork, Fork};
[INFO] [stdout]    |            ^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BasicLogger`, `Facility`, and `Formatter3164`
[INFO] [stdout]   --> src/cmds/totp-knockd.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | use syslog::{Facility, Formatter3164, BasicLogger};
[INFO] [stdout]    |              ^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fork` and `fork`
[INFO] [stdout]   --> src/cmds/totp-knockd.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use fork::{fork, Fork};
[INFO] [stdout]    |            ^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BasicLogger`, `Facility`, and `Formatter3164`
[INFO] [stdout]   --> src/cmds/totp-knockd.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | use syslog::{Facility, Formatter3164, BasicLogger};
[INFO] [stdout]    |              ^^^^^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `accepted_packets`
[INFO] [stdout]    --> src/cmds/../utils/iptables.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     let accepted_packets = get_accepted_packets(dport)?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_accepted_packets`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `accepted_packets`
[INFO] [stdout]    --> src/cmds/../utils/iptables.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     let accepted_packets = get_accepted_packets(dport)?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_accepted_packets`
[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 43.33s
[INFO] running `Command { std: "docker" "inspect" "09f745ca881bab422b729d44c6192eaf7acc814154ea2a98fa6ee8a2d008d038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f745ca881bab422b729d44c6192eaf7acc814154ea2a98fa6ee8a2d008d038", kill_on_drop: false }`
[INFO] [stdout] 09f745ca881bab422b729d44c6192eaf7acc814154ea2a98fa6ee8a2d008d038