[INFO] cloning repository https://github.com/remram44/rs-sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remram44/rs-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremram44%2Frs-sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremram44%2Frs-sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1914a26d4f1413466c66fbcdd1614779662feb9c
[INFO] checking remram44/rs-sync against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremram44%2Frs-sync" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/remram44/rs-sync
[INFO] finished tweaking git repo https://github.com/remram44/rs-sync
[INFO] tweaked toml for git repo https://github.com/remram44/rs-sync written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/remram44/rs-sync on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/remram44/rs-sync 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" "+32cd9114712a24010b0583624dc52ac302194128" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 4aa3a249a4e3385ca820e139a40a5d10b44d2a997e88f44b8555ab917286bd71
[INFO] running `Command { std: "docker" "start" "-a" "4aa3a249a4e3385ca820e139a40a5d10b44d2a997e88f44b8555ab917286bd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aa3a249a4e3385ca820e139a40a5d10b44d2a997e88f44b8555ab917286bd71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa3a249a4e3385ca820e139a40a5d10b44d2a997e88f44b8555ab917286bd71", kill_on_drop: false }`
[INFO] [stdout] 4aa3a249a4e3385ca820e139a40a5d10b44d2a997e88f44b8555ab917286bd71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d8441de5aed8d378e3c4f91cc670a2279905a0074066ca1ae67aa9a47cafeb0
[INFO] running `Command { std: "docker" "start" "-a" "0d8441de5aed8d378e3c4f91cc670a2279905a0074066ca1ae67aa9a47cafeb0", kill_on_drop: false }`
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[INFO] [stdout] warning: methods `receive` and `parse` are never used
[INFO] [stdout]    --> src/sync/ssh/proto.rs:198:12
[INFO] [stdout]     |
[INFO] [stdout] 197 | impl Parser {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] 198 |     pub fn receive<'a, E, F>(&'a mut self, func: F) -> Result<Messages<'a>, E>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |     pub fn parse<'a>(&'a mut self, input: &[u8]) -> Messages<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:79:15
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn to_sql(&self) -> Result<ToSqlOutput, rusqlite::Error> {
[INFO] [stdout]    |               ^^^^^            ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn to_sql(&self) -> Result<ToSqlOutput<'_>, rusqlite::Error> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]    --> src/sync/ssh/proto.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 197 | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 229 |     pub fn parse<'a>(&'a mut self, input: &[u8]) -> Messages<'a> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:79:15
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn to_sql(&self) -> Result<ToSqlOutput, rusqlite::Error> {
[INFO] [stdout]    |               ^^^^^            ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn to_sql(&self) -> Result<ToSqlOutput<'_>, rusqlite::Error> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.37s
[INFO] running `Command { std: "docker" "inspect" "0d8441de5aed8d378e3c4f91cc670a2279905a0074066ca1ae67aa9a47cafeb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8441de5aed8d378e3c4f91cc670a2279905a0074066ca1ae67aa9a47cafeb0", kill_on_drop: false }`
[INFO] [stdout] 0d8441de5aed8d378e3c4f91cc670a2279905a0074066ca1ae67aa9a47cafeb0