[INFO] cloning repository https://github.com/2xsaiko/conlink
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2xsaiko/conlink" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2xsaiko%2Fconlink", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2xsaiko%2Fconlink'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 923f8b310c0ec1bc305372498f8125c864ca6b06
[INFO] checking 2xsaiko/conlink against master#c8551d3c63c51f290cf1dc9dc4714249ea849fd1 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2xsaiko%2Fconlink" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/2xsaiko/conlink
[INFO] finished tweaking git repo https://github.com/2xsaiko/conlink
[INFO] tweaked toml for git repo https://github.com/2xsaiko/conlink written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/2xsaiko/conlink on toolchain c8551d3c63c51f290cf1dc9dc4714249ea849fd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/2xsaiko/conlink 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" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-util v0.3.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.5
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.6
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded socket2 v0.3.11
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded async-trait v0.1.24
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded bytes v0.5.4
[INFO] [stderr]   Downloaded tokio v0.2.13
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d59e5fa594da7bdb4ccd98d1d028fb59b6fa4bb2b289b978129953bb8d8ff732
[INFO] running `Command { std: "docker" "start" "-a" "d59e5fa594da7bdb4ccd98d1d028fb59b6fa4bb2b289b978129953bb8d8ff732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d59e5fa594da7bdb4ccd98d1d028fb59b6fa4bb2b289b978129953bb8d8ff732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59e5fa594da7bdb4ccd98d1d028fb59b6fa4bb2b289b978129953bb8d8ff732", kill_on_drop: false }`
[INFO] [stdout] d59e5fa594da7bdb4ccd98d1d028fb59b6fa4bb2b289b978129953bb8d8ff732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c8551d3c63c51f290cf1dc9dc4714249ea849fd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eac8adf1b19d9e7d3b4c1fc92b8ed7c985bfd0eb2de38fcf85e05e91eb8db53
[INFO] running `Command { std: "docker" "start" "-a" "1eac8adf1b19d9e7d3b4c1fc92b8ed7c985bfd0eb2de38fcf85e05e91eb8db53", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.0
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking conlink v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `clients` is never used
[INFO] [stdout]   --> src/client/str/shared.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Shared {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 21 |     pub fn clients(&self) -> &HashMap<ClientRef, Tx> { &self.clients }
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clients` is never used
[INFO] [stdout]   --> src/client/bin/shared.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Shared {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 20 |     pub fn clients(&self) -> &HashMap<ClientRef, Tx> { &self.clients }
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]   --> src/asyncreadwrap.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | / impl<T> StreamWrapper<T>
[INFO] [stdout] 15 | |     where T: AsyncRead + Unpin {
[INFO] [stdout]    | |______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |       pub fn into_inner(self) -> T { self.inner }
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clients` is never used
[INFO] [stdout]   --> src/client/str/shared.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Shared {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 21 |     pub fn clients(&self) -> &HashMap<ClientRef, Tx> { &self.clients }
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clients` is never used
[INFO] [stdout]   --> src/client/bin/shared.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Shared {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 20 |     pub fn clients(&self) -> &HashMap<ClientRef, Tx> { &self.clients }
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_inner` is never used
[INFO] [stdout]   --> src/asyncreadwrap.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | / impl<T> StreamWrapper<T>
[INFO] [stdout] 15 | |     where T: AsyncRead + Unpin {
[INFO] [stdout]    | |______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |       pub fn into_inner(self) -> T { self.inner }
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "1eac8adf1b19d9e7d3b4c1fc92b8ed7c985bfd0eb2de38fcf85e05e91eb8db53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eac8adf1b19d9e7d3b4c1fc92b8ed7c985bfd0eb2de38fcf85e05e91eb8db53", kill_on_drop: false }`
[INFO] [stdout] 1eac8adf1b19d9e7d3b4c1fc92b8ed7c985bfd0eb2de38fcf85e05e91eb8db53
