[INFO] cloning repository https://github.com/jeroen92/rust-birdctl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeroen92/rust-birdctl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeroen92%2Frust-birdctl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeroen92%2Frust-birdctl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97ab9b9d2c91e0532f2aeb0c3359920980e9532c
[INFO] checking jeroen92/rust-birdctl against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeroen92%2Frust-birdctl" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeroen92/rust-birdctl on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeroen92/rust-birdctl
[INFO] finished tweaking git repo https://github.com/jeroen92/rust-birdctl
[INFO] tweaked toml for git repo https://github.com/jeroen92/rust-birdctl written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jeroen92/rust-birdctl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce97ce50cd46ff4082e72af26f5b6db7257136fa3284953d0227def6e63d74e6
[INFO] running `Command { std: "docker" "start" "-a" "ce97ce50cd46ff4082e72af26f5b6db7257136fa3284953d0227def6e63d74e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce97ce50cd46ff4082e72af26f5b6db7257136fa3284953d0227def6e63d74e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce97ce50cd46ff4082e72af26f5b6db7257136fa3284953d0227def6e63d74e6", kill_on_drop: false }`
[INFO] [stdout] ce97ce50cd46ff4082e72af26f5b6db7257136fa3284953d0227def6e63d74e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49e8598f5a26e5903c079a88d9ad65555b53fec0a27d4877f01c4e4912e710cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49e8598f5a26e5903c079a88d9ad65555b53fec0a27d4877f01c4e4912e710cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking bird v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cli_arguments`
[INFO] [stdout]  --> src/cli.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn version(cli_arguments: &ArgMatches) {
[INFO] [stdout]   |                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cli_arguments`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bird_ctl`
[INFO] [stdout]   --> src/cli.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let bird_ctl = socket::connect(bird_socket_path);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bird_ctl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cli_arguments`
[INFO] [stdout]  --> src/cli.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn version(cli_arguments: &ArgMatches) {
[INFO] [stdout]   |                ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cli_arguments`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bird_ctl`
[INFO] [stdout]   --> src/cli.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let bird_ctl = socket::connect(bird_socket_path);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bird_ctl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CmdResult`
[INFO] [stdout]  --> src/socket.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct CmdResult {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]   --> src/socket.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     path: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `socket`
[INFO] [stdout]   --> src/socket.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     socket: UnixStream,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `submit_command`
[INFO] [stdout]   --> src/socket.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn submit_command(command: String) -> CmdResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CmdResult`
[INFO] [stdout]  --> src/socket.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct CmdResult {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]   --> src/socket.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     path: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `socket`
[INFO] [stdout]   --> src/socket.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     socket: UnixStream,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `submit_command`
[INFO] [stdout]   --> src/socket.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn submit_command(command: String) -> CmdResult {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `Command { std: "docker" "inspect" "49e8598f5a26e5903c079a88d9ad65555b53fec0a27d4877f01c4e4912e710cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e8598f5a26e5903c079a88d9ad65555b53fec0a27d4877f01c4e4912e710cb", kill_on_drop: false }`
[INFO] [stdout] 49e8598f5a26e5903c079a88d9ad65555b53fec0a27d4877f01c4e4912e710cb