[INFO] cloning repository https://github.com/asyade/tinyssh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asyade/tinyssh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasyade%2Ftinyssh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasyade%2Ftinyssh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56ddf05b4ccf9e70acacd5b2e8312b744eb257cd
[INFO] testing asyade/tinyssh against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasyade%2Ftinyssh" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asyade/tinyssh 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/asyade/tinyssh
[INFO] finished tweaking git repo https://github.com/asyade/tinyssh
[INFO] tweaked toml for git repo https://github.com/asyade/tinyssh written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/asyade/tinyssh 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ebdb248da28588cdf9b067af3067cfff6adcfdfc3c0715afd049dd129d071dac
[INFO] running `Command { std: "docker" "start" "-a" "ebdb248da28588cdf9b067af3067cfff6adcfdfc3c0715afd049dd129d071dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebdb248da28588cdf9b067af3067cfff6adcfdfc3c0715afd049dd129d071dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdb248da28588cdf9b067af3067cfff6adcfdfc3c0715afd049dd129d071dac", kill_on_drop: false }`
[INFO] [stdout] ebdb248da28588cdf9b067af3067cfff6adcfdfc3c0715afd049dd129d071dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d6ec01cb74a25604d5471f7a06fbe1179c56064984d522cdb0617d31cb6486b2
[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" "d6ec01cb74a25604d5471f7a06fbe1179c56064984d522cdb0617d31cb6486b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.4
[INFO] [stderr]    Compiling tinyssh v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::remove_file`
[INFO] [stdout]  --> src/server_handlers.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::remove_file;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/server.rs:17:54
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn        server_check_identification(client: &mut Client, msg: MessageContainer) -> bool {
[INFO] [stdout]    |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IdentificationFailure`
[INFO] [stdout]  --> src/messages.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     IdentificationFailure = 3
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `usage`
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn    usage() {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "d6ec01cb74a25604d5471f7a06fbe1179c56064984d522cdb0617d31cb6486b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ec01cb74a25604d5471f7a06fbe1179c56064984d522cdb0617d31cb6486b2", kill_on_drop: false }`
[INFO] [stdout] d6ec01cb74a25604d5471f7a06fbe1179c56064984d522cdb0617d31cb6486b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 84cecec4fac724e8ffbd123cb22fa93a1d441d6678d29559d09eddbc6aea19f8
[INFO] running `Command { std: "docker" "start" "-a" "84cecec4fac724e8ffbd123cb22fa93a1d441d6678d29559d09eddbc6aea19f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyssh v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::remove_file`
[INFO] [stdout]  --> src/server_handlers.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::remove_file;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/server.rs:17:54
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn        server_check_identification(client: &mut Client, msg: MessageContainer) -> bool {
[INFO] [stdout]    |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `IdentificationFailure`
[INFO] [stdout]  --> src/messages.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     IdentificationFailure = 3
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `usage`
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn    usage() {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "84cecec4fac724e8ffbd123cb22fa93a1d441d6678d29559d09eddbc6aea19f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84cecec4fac724e8ffbd123cb22fa93a1d441d6678d29559d09eddbc6aea19f8", kill_on_drop: false }`
[INFO] [stdout] 84cecec4fac724e8ffbd123cb22fa93a1d441d6678d29559d09eddbc6aea19f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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", 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] d0ea4f470f57bc05ea9c54d10cba2ff9cea03223720dda6ebf117955eef09e6e
[INFO] running `Command { std: "docker" "start" "-a" "d0ea4f470f57bc05ea9c54d10cba2ff9cea03223720dda6ebf117955eef09e6e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs::remove_file`
[INFO] [stderr]  --> src/server_handlers.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::remove_file;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/server.rs:17:54
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn        server_check_identification(client: &mut Client, msg: MessageContainer) -> bool {
[INFO] [stderr]    |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IdentificationFailure`
[INFO] [stderr]  --> src/messages.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     IdentificationFailure = 3
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `usage`
[INFO] [stderr]   --> src/main.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn    usage() {
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tinyssh` (bin "tinyssh" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tinyssh-4e7decb01aa4d862)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0ea4f470f57bc05ea9c54d10cba2ff9cea03223720dda6ebf117955eef09e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ea4f470f57bc05ea9c54d10cba2ff9cea03223720dda6ebf117955eef09e6e", kill_on_drop: false }`
[INFO] [stdout] d0ea4f470f57bc05ea9c54d10cba2ff9cea03223720dda6ebf117955eef09e6e