[INFO] cloning repository https://github.com/Sorridi/connection_blocker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sorridi/connection_blocker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSorridi%2Fconnection_blocker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSorridi%2Fconnection_blocker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 798669009e312154afe5ea5ffe3bfbd741f6c3eb
[INFO] checking Sorridi/connection_blocker against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSorridi%2Fconnection_blocker" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Sorridi/connection_blocker
[INFO] finished tweaking git repo https://github.com/Sorridi/connection_blocker
[INFO] tweaked toml for git repo https://github.com/Sorridi/connection_blocker written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Sorridi/connection_blocker on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Sorridi/connection_blocker 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Sorridi/rust-iptables`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded nix v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bef1571207981b6fb84e13cd8cd0c7c1d8a6c0e1b2d06d4fa46a97ef0c6314c6
[INFO] running `Command { std: "docker" "start" "-a" "bef1571207981b6fb84e13cd8cd0c7c1d8a6c0e1b2d06d4fa46a97ef0c6314c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bef1571207981b6fb84e13cd8cd0c7c1d8a6c0e1b2d06d4fa46a97ef0c6314c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef1571207981b6fb84e13cd8cd0c7c1d8a6c0e1b2d06d4fa46a97ef0c6314c6", kill_on_drop: false }`
[INFO] [stdout] bef1571207981b6fb84e13cd8cd0c7c1d8a6c0e1b2d06d4fa46a97ef0c6314c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d58922c56e150ab3fc3f06e7a77bd9422220eaaf9f05813dc3aa246bbefb5d4b
[INFO] running `Command { std: "docker" "start" "-a" "d58922c56e150ab3fc3f06e7a77bd9422220eaaf9f05813dc3aa246bbefb5d4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking iptables v0.2.3 (https://github.com/Sorridi/rust-iptables?rev=8c0b1c2#8c0b1c2c)
[INFO] [stderr]     Checking connection_blocker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:25:80
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Err(e) => if e.to_string() != "File exists (os error 17)" { panic!(e) } 
[INFO] [stdout]    |                                                                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Err(e) => if e.to_string() != "File exists (os error 17)" { panic!("{}", e) } 
[INFO] [stdout]    |                                                                                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 -             Err(e) => if e.to_string() != "File exists (os error 17)" { panic!(e) } 
[INFO] [stdout] 25 +             Err(e) => if e.to_string() != "File exists (os error 17)" { std::panic::panic_any(e) } 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:25:80
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Err(e) => if e.to_string() != "File exists (os error 17)" { panic!(e) } 
[INFO] [stdout]    |                                                                                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Err(e) => if e.to_string() != "File exists (os error 17)" { panic!("{}", e) } 
[INFO] [stdout]    |                                                                                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 -             Err(e) => if e.to_string() != "File exists (os error 17)" { panic!(e) } 
[INFO] [stdout] 25 +             Err(e) => if e.to_string() != "File exists (os error 17)" { std::panic::panic_any(e) } 
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "d58922c56e150ab3fc3f06e7a77bd9422220eaaf9f05813dc3aa246bbefb5d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58922c56e150ab3fc3f06e7a77bd9422220eaaf9f05813dc3aa246bbefb5d4b", kill_on_drop: false }`
[INFO] [stdout] d58922c56e150ab3fc3f06e7a77bd9422220eaaf9f05813dc3aa246bbefb5d4b