Dec 18 06:56:53.093 INFO checking Kerollmops/cargo-distant against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:56:53.093 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Kerollmops/cargo-distant:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:56:53.532 INFO [stdout] 79d76df9cc46597a3cb498ed39e3f83649907d7fa486626d98196dc8eb245bc0
Dec 18 06:56:53.536 INFO running `"docker" "start" "-a" "79d76df9cc46597a3cb498ed39e3f83649907d7fa486626d98196dc8eb245bc0"`
Dec 18 06:56:54.743 INFO [stderr]     Checking welder v0.3.0
Dec 18 06:56:54.743 INFO [stderr]    Compiling proc-macro2 v0.2.2
Dec 18 06:56:56.216 INFO [stderr]    Compiling quote v0.4.2
Dec 18 06:56:56.752 INFO [stderr]    Compiling syn v0.12.12
Dec 18 06:57:02.528 INFO [stderr]    Compiling structopt-derive v0.2.0
Dec 18 06:57:04.744 INFO [stderr]     Checking structopt v0.2.0
Dec 18 06:57:05.224 INFO [stderr]     Checking cargo-distant v0.1.0 (/opt/crater/workdir)
Dec 18 06:57:05.788 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 06:57:05.788 INFO [stderr]  --> src/main.rs:1:1
Dec 18 06:57:05.788 INFO [stderr]   |
Dec 18 06:57:05.788 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Dec 18 06:57:05.788 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 06:57:05.788 INFO [stderr]   |
Dec 18 06:57:05.788 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:57:05.788 INFO [stderr] 
Dec 18 06:57:05.796 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 06:57:05.796 INFO [stderr]  --> src/main.rs:1:1
Dec 18 06:57:05.796 INFO [stderr]   |
Dec 18 06:57:05.796 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Dec 18 06:57:05.796 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 06:57:05.796 INFO [stderr]   |
Dec 18 06:57:05.796 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:57:05.796 INFO [stderr] 
Dec 18 06:57:05.896 INFO [stderr] warning: unused variable: `err`
Dec 18 06:57:05.896 INFO [stderr]    --> src/main.rs:160:21
Dec 18 06:57:05.896 INFO [stderr]     |
Dec 18 06:57:05.896 INFO [stderr] 160 |                 Err(err) => panic!("Whoops no hostname found"),
Dec 18 06:57:05.896 INFO [stderr]     |                     ^^^ help: consider using `_err` instead
Dec 18 06:57:05.896 INFO [stderr]     |
Dec 18 06:57:05.896 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 06:57:05.896 INFO [stderr] 
Dec 18 06:57:05.896 INFO [stderr] warning: unused variable: `err`
Dec 18 06:57:05.896 INFO [stderr]   --> src/main.rs:72:17
Dec 18 06:57:05.896 INFO [stderr]    |
Dec 18 06:57:05.896 INFO [stderr] 72 |             Err(err) => format!("$HOME/.cargo/bin/rustup run {} cargo", self.toolchain).into(),
Dec 18 06:57:05.896 INFO [stderr]    |                 ^^^ help: consider using `_err` instead
Dec 18 06:57:05.896 INFO [stderr] 
Dec 18 06:57:05.907 INFO [stderr] warning: unused variable: `err`
Dec 18 06:57:05.907 INFO [stderr]    --> src/main.rs:160:21
Dec 18 06:57:05.907 INFO [stderr]     |
Dec 18 06:57:05.907 INFO [stderr] 160 |                 Err(err) => panic!("Whoops no hostname found"),
Dec 18 06:57:05.907 INFO [stderr]     |                     ^^^ help: consider using `_err` instead
Dec 18 06:57:05.907 INFO [stderr]     |
Dec 18 06:57:05.907 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 06:57:05.907 INFO [stderr] 
Dec 18 06:57:05.907 INFO [stderr] warning: unused variable: `err`
Dec 18 06:57:05.908 INFO [stderr]   --> src/main.rs:72:17
Dec 18 06:57:05.908 INFO [stderr]    |
Dec 18 06:57:05.908 INFO [stderr] 72 |             Err(err) => format!("$HOME/.cargo/bin/rustup run {} cargo", self.toolchain).into(),
Dec 18 06:57:05.908 INFO [stderr]    |                 ^^^ help: consider using `_err` instead
Dec 18 06:57:05.908 INFO [stderr] 
Dec 18 06:57:05.926 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:57:05.926 INFO [stderr]    --> src/main.rs:201:9
Dec 18 06:57:05.926 INFO [stderr]     |
Dec 18 06:57:05.926 INFO [stderr] 201 |         matches.execute(pwd, build_args);
Dec 18 06:57:05.926 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:57:05.926 INFO [stderr]     |
Dec 18 06:57:05.926 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 06:57:05.927 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:57:05.927 INFO [stderr] 
Dec 18 06:57:05.952 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:57:05.952 INFO [stderr]    --> src/main.rs:201:9
Dec 18 06:57:05.952 INFO [stderr]     |
Dec 18 06:57:05.952 INFO [stderr] 201 |         matches.execute(pwd, build_args);
Dec 18 06:57:05.952 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:57:05.952 INFO [stderr]     |
Dec 18 06:57:05.952 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 06:57:05.952 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:57:05.952 INFO [stderr] 
Dec 18 06:57:05.974 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.29s
Dec 18 06:57:06.275 INFO running `"docker" "inspect" "79d76df9cc46597a3cb498ed39e3f83649907d7fa486626d98196dc8eb245bc0"`
Dec 18 06:57:06.394 INFO running `"docker" "rm" "-f" "79d76df9cc46597a3cb498ed39e3f83649907d7fa486626d98196dc8eb245bc0"`
Dec 18 06:57:06.560 INFO [stdout] 79d76df9cc46597a3cb498ed39e3f83649907d7fa486626d98196dc8eb245bc0