[INFO] fetching crate remotefs-ssh 1.0.0...
[INFO] checking remotefs-ssh-1.0.0 against e4d5758286bf2cf6f415802f2cf861747a7c6c8c for pr-152972
[INFO] extracting crate remotefs-ssh 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate remotefs-ssh 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate remotefs-ssh 1.0.0
[INFO] tweaked toml for crates.io crate remotefs-ssh 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate remotefs-ssh 1.0.0 on toolchain e4d5758286bf2cf6f415802f2cf861747a7c6c8c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate remotefs-ssh 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6cd9c7a99dd6770a2b33d55990ffadd598a6531670fea4efadbb009184f62d81
[INFO] running `Command { std: "docker" "start" "6cd9c7a99dd6770a2b33d55990ffadd598a6531670fea4efadbb009184f62d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cd9c7a99dd6770a2b33d55990ffadd598a6531670fea4efadbb009184f62d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6cd9c7a99dd6770a2b33d55990ffadd598a6531670fea4efadbb009184f62d81" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cd9c7a99dd6770a2b33d55990ffadd598a6531670fea4efadbb009184f62d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6cd9c7a99dd6770a2b33d55990ffadd598a6531670fea4efadbb009184f62d81" "/opt/rustwide/cargo-home/bin/cargo" "+e4d5758286bf2cf6f415802f2cf861747a7c6c8c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: static `SSH_AGENT_ENV_LOCK` is never used
[INFO] [stdout]   --> src/mock/ssh.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | static SSH_AGENT_ENV_LOCK: std::sync::Mutex<()> = std::sync::Mutex::new(());
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestSshAgent` is never constructed
[INFO] [stdout]   --> src/mock/ssh.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct TestSshAgent {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `start` and `add_key` are never used
[INFO] [stdout]    --> src/mock/ssh.rs:96:12
[INFO] [stdout]     |
[INFO] [stdout]  95 | impl TestSshAgent {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout]  96 |     pub fn start() -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn add_key(&self, key: &std::path::Path) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_agent_var` is never used
[INFO] [stdout]    --> src/mock/ssh.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn parse_agent_var(output: &str, name: &str) -> Option<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_unresponsive_server` is never used
[INFO] [stdout]    --> src/mock/ssh.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub fn start_unresponsive_server(hold: Duration) -> (u16, JoinHandle<Duration>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_flaky_proxy` is never used
[INFO] [stdout]    --> src/mock/ssh.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | pub fn start_flaky_proxy(target_port: u16, failures: usize) -> (u16, JoinHandle<()>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "6cd9c7a99dd6770a2b33d55990ffadd598a6531670fea4efadbb009184f62d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd9c7a99dd6770a2b33d55990ffadd598a6531670fea4efadbb009184f62d81", kill_on_drop: false }`
[INFO] [stdout] 6cd9c7a99dd6770a2b33d55990ffadd598a6531670fea4efadbb009184f62d81
