[INFO] cloning repository https://github.com/ptechen/proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ptechen/proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Fproxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Fproxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c87c001b262279161efabd6f7d99065d4b8aad5d
[INFO] testing ptechen/proxy against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptechen%2Fproxy" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ptechen/proxy on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ptechen/proxy
[INFO] finished tweaking git repo https://github.com/ptechen/proxy
[INFO] tweaked toml for git repo https://github.com/ptechen/proxy written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ptechen/proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1751c7009b896f4c58546e68f9e31d9e9a2b0568ac85f5fb83570520e157e34b
[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" "1751c7009b896f4c58546e68f9e31d9e9a2b0568ac85f5fb83570520e157e34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1751c7009b896f4c58546e68f9e31d9e9a2b0568ac85f5fb83570520e157e34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1751c7009b896f4c58546e68f9e31d9e9a2b0568ac85f5fb83570520e157e34b", kill_on_drop: false }`
[INFO] [stdout] 1751c7009b896f4c58546e68f9e31d9e9a2b0568ac85f5fb83570520e157e34b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92d1aeec53157b754bbde24b074eadb6461cfb53d2de4203b479bfa076f8b077
[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" "92d1aeec53157b754bbde24b074eadb6461cfb53d2de4203b479bfa076f8b077", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mio v0.7.0 (https://github.com/tokio-rs/mio.git#aaa243cf)
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling structopt v0.3.12
[INFO] [stderr]    Compiling proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `YamlEmitter`
[INFO] [stdout]   --> src/proxy.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use yaml_rust::{YamlLoader, YamlEmitter};
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.83s
[INFO] running `Command { std: "docker" "inspect" "92d1aeec53157b754bbde24b074eadb6461cfb53d2de4203b479bfa076f8b077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d1aeec53157b754bbde24b074eadb6461cfb53d2de4203b479bfa076f8b077", kill_on_drop: false }`
[INFO] [stdout] 92d1aeec53157b754bbde24b074eadb6461cfb53d2de4203b479bfa076f8b077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb2f9c5184835047915d95ad650d288b5ddeedb63fed2b5fb00fb5e1b4b7cab9
[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" "cb2f9c5184835047915d95ad650d288b5ddeedb63fed2b5fb00fb5e1b4b7cab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::create_md5`
[INFO] [stdout]  --> src/proxy.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use crate::create_md5;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^ no `create_md5` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `YamlEmitter`
[INFO] [stdout]   --> src/proxy.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use yaml_rust::{YamlLoader, YamlEmitter};
[INFO] [stdout]    |                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proxy` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "cb2f9c5184835047915d95ad650d288b5ddeedb63fed2b5fb00fb5e1b4b7cab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2f9c5184835047915d95ad650d288b5ddeedb63fed2b5fb00fb5e1b4b7cab9", kill_on_drop: false }`
[INFO] [stdout] cb2f9c5184835047915d95ad650d288b5ddeedb63fed2b5fb00fb5e1b4b7cab9