[INFO] cloning repository https://github.com/LeeSmet/nsproxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeeSmet/nsproxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeSmet%2Fnsproxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeSmet%2Fnsproxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a6b9876535abca8a00d13958f2abc2dbb12cff1
[INFO] checking LeeSmet/nsproxy against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeSmet%2Fnsproxy" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeeSmet/nsproxy on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LeeSmet/nsproxy
[INFO] finished tweaking git repo https://github.com/LeeSmet/nsproxy
[INFO] tweaked toml for git repo https://github.com/LeeSmet/nsproxy written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LeeSmet/nsproxy 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded netns-rs v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a37c71c178c9e321f8e2656e12db5382770f58ece3196ac236948304995bcfcc
[INFO] running `Command { std: "docker" "start" "-a" "a37c71c178c9e321f8e2656e12db5382770f58ece3196ac236948304995bcfcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a37c71c178c9e321f8e2656e12db5382770f58ece3196ac236948304995bcfcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37c71c178c9e321f8e2656e12db5382770f58ece3196ac236948304995bcfcc", kill_on_drop: false }`
[INFO] [stdout] a37c71c178c9e321f8e2656e12db5382770f58ece3196ac236948304995bcfcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e7a085b4cd01e8e409df965be70fbef3b4c0bfc41f3042169ba54ab726a50ba
[INFO] running `Command { std: "docker" "start" "-a" "9e7a085b4cd01e8e409df965be70fbef3b4c0bfc41f3042169ba54ab726a50ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]     Checking netns-rs v0.1.0
[INFO] [stderr]     Checking nsproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Sender`, `SocketAddr`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     net::{SocketAddr, TcpListener, TcpStream, UdpSocket},
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 6 |     sync::{
[INFO] [stdout] 7 |         mpsc::{sync_channel, RecvTimeoutError, Sender, SyncSender},
[INFO] [stdout]   |                                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sender`, `SocketAddr`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     net::{SocketAddr, TcpListener, TcpStream, UdpSocket},
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 6 |     sync::{
[INFO] [stdout] 7 |         mpsc::{sync_channel, RecvTimeoutError, Sender, SyncSender},
[INFO] [stdout]   |                                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "9e7a085b4cd01e8e409df965be70fbef3b4c0bfc41f3042169ba54ab726a50ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7a085b4cd01e8e409df965be70fbef3b4c0bfc41f3042169ba54ab726a50ba", kill_on_drop: false }`
[INFO] [stdout] 9e7a085b4cd01e8e409df965be70fbef3b4c0bfc41f3042169ba54ab726a50ba
[INFO] checking LeeSmet/nsproxy against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeeSmet%2Fnsproxy" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeeSmet/nsproxy on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LeeSmet/nsproxy
[INFO] finished tweaking git repo https://github.com/LeeSmet/nsproxy
[INFO] tweaked toml for git repo https://github.com/LeeSmet/nsproxy written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LeeSmet/nsproxy 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0caa9c8bea1db95308168dd91db988f2875bbc44b08c5d03d28311dc6f472f65
[INFO] running `Command { std: "docker" "start" "-a" "0caa9c8bea1db95308168dd91db988f2875bbc44b08c5d03d28311dc6f472f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0caa9c8bea1db95308168dd91db988f2875bbc44b08c5d03d28311dc6f472f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0caa9c8bea1db95308168dd91db988f2875bbc44b08c5d03d28311dc6f472f65", kill_on_drop: false }`
[INFO] [stdout] 0caa9c8bea1db95308168dd91db988f2875bbc44b08c5d03d28311dc6f472f65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 648a3782ccbee377900d720aa6304a44bc5121b0622b7569e3dc6c9bf39f44b9
[INFO] running `Command { std: "docker" "start" "-a" "648a3782ccbee377900d720aa6304a44bc5121b0622b7569e3dc6c9bf39f44b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]     Checking netns-rs v0.1.0
[INFO] [stderr]     Checking nsproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Sender`, `SocketAddr`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     net::{SocketAddr, TcpListener, TcpStream, UdpSocket},
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 6 |     sync::{
[INFO] [stdout] 7 |         mpsc::{sync_channel, RecvTimeoutError, Sender, SyncSender},
[INFO] [stdout]   |                                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Sender`, `SocketAddr`
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     net::{SocketAddr, TcpListener, TcpStream, UdpSocket},
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 6 |     sync::{
[INFO] [stdout] 7 |         mpsc::{sync_channel, RecvTimeoutError, Sender, SyncSender},
[INFO] [stdout]   |                                                ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "648a3782ccbee377900d720aa6304a44bc5121b0622b7569e3dc6c9bf39f44b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648a3782ccbee377900d720aa6304a44bc5121b0622b7569e3dc6c9bf39f44b9", kill_on_drop: false }`
[INFO] [stdout] 648a3782ccbee377900d720aa6304a44bc5121b0622b7569e3dc6c9bf39f44b9