[INFO] cloning repository https://github.com/positron-solutions/unixsocks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/positron-solutions/unixsocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpositron-solutions%2Funixsocks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpositron-solutions%2Funixsocks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4627437aadec98171e2dcf8c9c485f0b22b510e
[INFO] checking positron-solutions/unixsocks against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpositron-solutions%2Funixsocks" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/positron-solutions/unixsocks
[INFO] finished tweaking git repo https://github.com/positron-solutions/unixsocks
[INFO] tweaked toml for git repo https://github.com/positron-solutions/unixsocks written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/positron-solutions/unixsocks on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/positron-solutions/unixsocks 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e74cbf36cf56c9fffd1968749c1b1dc0f8d03d016e6511d25e0b139dab18521d
[INFO] running `Command { std: "docker" "start" "-a" "e74cbf36cf56c9fffd1968749c1b1dc0f8d03d016e6511d25e0b139dab18521d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e74cbf36cf56c9fffd1968749c1b1dc0f8d03d016e6511d25e0b139dab18521d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e74cbf36cf56c9fffd1968749c1b1dc0f8d03d016e6511d25e0b139dab18521d", kill_on_drop: false }`
[INFO] [stdout] e74cbf36cf56c9fffd1968749c1b1dc0f8d03d016e6511d25e0b139dab18521d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 322d35b726f2275d83244a339565dab79281d205b3b9a6fbb93ec0565efb8ca8
[INFO] running `Command { std: "docker" "start" "-a" "322d35b726f2275d83244a339565dab79281d205b3b9a6fbb93ec0565efb8ca8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling rustix v0.37.26
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking event-listener v3.0.0
[INFO] [stderr]     Checking blocking v1.4.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking async-executor v1.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking async-signal v0.2.4
[INFO] [stderr]     Checking async-net v1.8.0
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking smol v1.3.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking unixsocks v0.1.0 (/opt/rustwide/workdir/unixsocks)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> unixsocks/src/main.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> unixsocks/src/main.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[structopt(short, long, parse(try_from_str))]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> unixsocks/src/main.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[structopt(short, long, parse(try_from_str))]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> unixsocks/src/main.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         stdin_thread.join();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let _ = stdin_thread.join();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> unixsocks/src/main.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         stdout_thread.join();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let _ = stdout_thread.join();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unixsocks` (bin "unixsocks" test) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> unixsocks/src/main.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[structopt(short, long, parse(try_from_str))]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> unixsocks/src/main.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[structopt(short, long, parse(try_from_str))]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> unixsocks/src/main.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         stdin_thread.join();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let _ = stdin_thread.join();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> unixsocks/src/main.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         stdout_thread.join();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let _ = stdout_thread.join();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unixsocks` (bin "unixsocks") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "322d35b726f2275d83244a339565dab79281d205b3b9a6fbb93ec0565efb8ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322d35b726f2275d83244a339565dab79281d205b3b9a6fbb93ec0565efb8ca8", kill_on_drop: false }`
[INFO] [stdout] 322d35b726f2275d83244a339565dab79281d205b3b9a6fbb93ec0565efb8ca8
