[INFO] updating cached repository https://github.com/asyade/tinyssh
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56ddf05b4ccf9e70acacd5b2e8312b744eb257cd
[INFO] checking asyade/tinyssh against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasyade%2Ftinyssh" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  98% (483/492)   
Checking out files:  99% (488/492)   
Checking out files: 100% (492/492)   
Checking out files: 100% (492/492), done.
[INFO] validating manifest of git repo https://github.com/asyade/tinyssh on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/asyade/tinyssh already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e9b0eab2699d466e2d64d9ddb7b505979baa04edcca1523a94d52d51316fc6d
[INFO] running `"docker" "start" "-a" "9e9b0eab2699d466e2d64d9ddb7b505979baa04edcca1523a94d52d51316fc6d"`
[INFO] [stderr]     Checking serde_json v1.0.4
[INFO] [stderr]     Checking tinyssh v0.0.1 (/opt/rustwide/workdir)
[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 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: consider prefixing with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` 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: consider prefixing 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `"docker" "inspect" "9e9b0eab2699d466e2d64d9ddb7b505979baa04edcca1523a94d52d51316fc6d"`
[INFO] running `"docker" "rm" "-f" "9e9b0eab2699d466e2d64d9ddb7b505979baa04edcca1523a94d52d51316fc6d"`
[INFO] [stdout] 9e9b0eab2699d466e2d64d9ddb7b505979baa04edcca1523a94d52d51316fc6d