[INFO] cloning repository https://github.com/lyswifter/tcpconn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lyswifter/tcpconn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyswifter%2Ftcpconn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyswifter%2Ftcpconn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a648414a741588aee8bda060f1d31324b371da7 [INFO] checking lyswifter/tcpconn against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flyswifter%2Ftcpconn" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lyswifter/tcpconn 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/lyswifter/tcpconn [INFO] finished tweaking git repo https://github.com/lyswifter/tcpconn [INFO] tweaked toml for git repo https://github.com/lyswifter/tcpconn written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lyswifter/tcpconn 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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 60520c4350d0170aa61ea45893e3f0f49abe6d9b71dc9f4d613804cb0a259ef4 [INFO] running `Command { std: "docker" "start" "-a" "60520c4350d0170aa61ea45893e3f0f49abe6d9b71dc9f4d613804cb0a259ef4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60520c4350d0170aa61ea45893e3f0f49abe6d9b71dc9f4d613804cb0a259ef4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60520c4350d0170aa61ea45893e3f0f49abe6d9b71dc9f4d613804cb0a259ef4", kill_on_drop: false }` [INFO] [stdout] 60520c4350d0170aa61ea45893e3f0f49abe6d9b71dc9f4d613804cb0a259ef4 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af7d077ed1cefcfaaec9629b90389e98dc2aa0b2599fd3214ad5de5328b27cb3 [INFO] running `Command { std: "docker" "start" "-a" "af7d077ed1cefcfaaec9629b90389e98dc2aa0b2599fd3214ad5de5328b27cb3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking bytes v1.2.0 [INFO] [stderr] Compiling tokio v1.20.0 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tcpconn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `RwLock`, `mpsc`, `net::TcpListener`, `oneshot`, `task`, `time` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | net::TcpListener, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | sync::{mpsc, oneshot, RwLock}, [INFO] [stdout] | ^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] 5 | task, [INFO] [stdout] | ^^^^ [INFO] [stdout] 6 | time, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `HashMap`, `HashSet`, `Instant`, `SystemTime`, `net::SocketAddr`, `sync::Arc` [INFO] [stdout] --> src/main.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | collections::{HashMap, HashSet}, [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] 11 | net::SocketAddr, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 12 | sync::Arc, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 13 | time::{Duration, Instant, SystemTime}, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr` [INFO] [stdout] --> src/main.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | use std::net::{IpAddr, Ipv4Addr}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `info` [INFO] [stdout] --> src/main.rs:17:11 [INFO] [stdout] | [INFO] [stdout] 17 | use log::{info, error}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `RwLock`, `mpsc`, `net::TcpListener`, `oneshot`, `task`, `time` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | net::TcpListener, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | sync::{mpsc, oneshot, RwLock}, [INFO] [stdout] | ^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] 5 | task, [INFO] [stdout] | ^^^^ [INFO] [stdout] 6 | time, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `HashMap`, `HashSet`, `Instant`, `SystemTime`, `net::SocketAddr`, `sync::Arc` [INFO] [stdout] --> src/main.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | collections::{HashMap, HashSet}, [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] 11 | net::SocketAddr, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 12 | sync::Arc, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 13 | time::{Duration, Instant, SystemTime}, [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr` [INFO] [stdout] --> src/main.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | use std::net::{IpAddr, Ipv4Addr}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `info` [INFO] [stdout] --> src/main.rs:17:11 [INFO] [stdout] | [INFO] [stdout] 17 | use log::{info, error}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.50s [INFO] running `Command { std: "docker" "inspect" "af7d077ed1cefcfaaec9629b90389e98dc2aa0b2599fd3214ad5de5328b27cb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af7d077ed1cefcfaaec9629b90389e98dc2aa0b2599fd3214ad5de5328b27cb3", kill_on_drop: false }` [INFO] [stdout] af7d077ed1cefcfaaec9629b90389e98dc2aa0b2599fd3214ad5de5328b27cb3