[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] checking asyade/tinyssh against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasyade%2Ftinyssh" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  91% (449/492)   
Checking out files:  92% (453/492)   
Checking out files:  93% (458/492)   
Checking out files:  94% (463/492)   
Checking out files:  95% (468/492)   
Checking out files:  96% (473/492)   
Checking out files:  97% (478/492)   
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 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] e9a05047c1a19194e693dfe88623499c208f718f4068443d51cdb37b6873a606
[INFO] running `Command { std: "docker" "start" "-a" "e9a05047c1a19194e693dfe88623499c208f718f4068443d51cdb37b6873a606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9a05047c1a19194e693dfe88623499c208f718f4068443d51cdb37b6873a606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a05047c1a19194e693dfe88623499c208f718f4068443d51cdb37b6873a606", kill_on_drop: false }`
[INFO] [stdout] e9a05047c1a19194e693dfe88623499c208f718f4068443d51cdb37b6873a606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--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] 5c32ec9d6204b4ec6e704c6a986a091ca3018c6b494df8c64c7e9e231ed41625
[INFO] running `Command { std: "docker" "start" "-a" "5c32ec9d6204b4ec6e704c6a986a091ca3018c6b494df8c64c7e9e231ed41625", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]     Checking serde_json v1.0.4
[INFO] [stderr]     Checking 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 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: 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: 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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "5c32ec9d6204b4ec6e704c6a986a091ca3018c6b494df8c64c7e9e231ed41625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c32ec9d6204b4ec6e704c6a986a091ca3018c6b494df8c64c7e9e231ed41625", kill_on_drop: false }`
[INFO] [stdout] 5c32ec9d6204b4ec6e704c6a986a091ca3018c6b494df8c64c7e9e231ed41625