[INFO] cloning repository https://github.com/kencani/sub_home_basic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kencani/sub_home_basic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub_home_basic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub_home_basic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74bed2a5a9bbb8190bf867b2d69e67f274ab22f9
[INFO] testing kencani/sub_home_basic against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkencani%2Fsub_home_basic" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kencani/sub_home_basic on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kencani/sub_home_basic
[INFO] finished tweaking git repo https://github.com/kencani/sub_home_basic
[INFO] tweaked toml for git repo https://github.com/kencani/sub_home_basic written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/kencani/sub_home_basic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dbd926fb69e29948f19270cc0e7371f2cc05d2a7e001a703bee4095453efa94
[INFO] running `Command { std: "docker" "start" "-a" "7dbd926fb69e29948f19270cc0e7371f2cc05d2a7e001a703bee4095453efa94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dbd926fb69e29948f19270cc0e7371f2cc05d2a7e001a703bee4095453efa94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbd926fb69e29948f19270cc0e7371f2cc05d2a7e001a703bee4095453efa94", kill_on_drop: false }`
[INFO] [stdout] 7dbd926fb69e29948f19270cc0e7371f2cc05d2a7e001a703bee4095453efa94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c2ef2d151b23b1c8bc546a33b1217a9799fff54c8a221e68ad8194c8e82a934
[INFO] running `Command { std: "docker" "start" "-a" "9c2ef2d151b23b1c8bc546a33b1217a9799fff54c8a221e68ad8194c8e82a934", kill_on_drop: false }`
[INFO] [stderr]    Compiling sub_class_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout]  --> src/tcp_server.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write, Error, BufRead, BufReader, };
[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 4.12s
[INFO] running `Command { std: "docker" "inspect" "9c2ef2d151b23b1c8bc546a33b1217a9799fff54c8a221e68ad8194c8e82a934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2ef2d151b23b1c8bc546a33b1217a9799fff54c8a221e68ad8194c8e82a934", kill_on_drop: false }`
[INFO] [stdout] 9c2ef2d151b23b1c8bc546a33b1217a9799fff54c8a221e68ad8194c8e82a934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0998c445a4388b465b88af8d0d08efefcd990145a2bdcf977916a9f7084effac
[INFO] running `Command { std: "docker" "start" "-a" "0998c445a4388b465b88af8d0d08efefcd990145a2bdcf977916a9f7084effac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sub_class_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout]  --> src/tcp_server.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write, Error, BufRead, BufReader, };
[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 test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/sub_class_2-e70f16a82599b26f)
[INFO] running `Command { std: "docker" "inspect" "0998c445a4388b465b88af8d0d08efefcd990145a2bdcf977916a9f7084effac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0998c445a4388b465b88af8d0d08efefcd990145a2bdcf977916a9f7084effac", kill_on_drop: false }`
[INFO] [stdout] 0998c445a4388b465b88af8d0d08efefcd990145a2bdcf977916a9f7084effac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07880f0c5e9e68a7e28d74a9097e39f81703107ca5626e10b60fbf489aa73555
[INFO] running `Command { std: "docker" "start" "-a" "07880f0c5e9e68a7e28d74a9097e39f81703107ca5626e10b60fbf489aa73555", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/tcp_server.rs:3:35
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | use std::io::{Read, Write, Error, BufRead, BufReader, };
[INFO] [stdout] 
[INFO] [stderr]   |                                   ^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sub_class_2` (bin "sub_class_2" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sub_class_2-e70f16a82599b26f)
[INFO] running `Command { std: "docker" "inspect" "07880f0c5e9e68a7e28d74a9097e39f81703107ca5626e10b60fbf489aa73555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07880f0c5e9e68a7e28d74a9097e39f81703107ca5626e10b60fbf489aa73555", kill_on_drop: false }`
[INFO] [stdout] 07880f0c5e9e68a7e28d74a9097e39f81703107ca5626e10b60fbf489aa73555