Dec 18 06:56:53.815 INFO checking Kerollmops/cargo-distant against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:56:53.815 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:56:54.262 INFO [stdout] 1f6b583b00d9b02be3d39c7638190f454aac3566a204e775c4b17c8377e51dcd
Dec 18 06:56:54.264 INFO running `"docker" "start" "-a" "1f6b583b00d9b02be3d39c7638190f454aac3566a204e775c4b17c8377e51dcd"`
Dec 18 06:56:55.328 INFO [stderr]     Checking welder v0.3.0
Dec 18 06:56:55.329 INFO [stderr]    Compiling syn v0.12.12
Dec 18 06:57:01.150 INFO [stderr]    Compiling structopt-derive v0.2.0
Dec 18 06:57:03.526 INFO [stderr]     Checking structopt v0.2.0
Dec 18 06:57:04.025 INFO [stderr]     Checking cargo-distant v0.1.0 (/opt/crater/workdir)
Dec 18 06:57:04.736 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 06:57:04.736 INFO [stderr]  --> src/main.rs:1:1
Dec 18 06:57:04.736 INFO [stderr]   |
Dec 18 06:57:04.736 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Dec 18 06:57:04.736 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 06:57:04.736 INFO [stderr]   |
Dec 18 06:57:04.736 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:57:04.736 INFO [stderr] 
Dec 18 06:57:04.780 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 06:57:04.780 INFO [stderr]  --> src/main.rs:1:1
Dec 18 06:57:04.780 INFO [stderr]   |
Dec 18 06:57:04.780 INFO [stderr] 1 | #[macro_use] extern crate structopt;
Dec 18 06:57:04.780 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 06:57:04.780 INFO [stderr]   |
Dec 18 06:57:04.780 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:57:04.780 INFO [stderr] 
Dec 18 06:57:04.903 INFO [stderr] warning: unused variable: `err`
Dec 18 06:57:04.903 INFO [stderr]    --> src/main.rs:160:21
Dec 18 06:57:04.903 INFO [stderr]     |
Dec 18 06:57:04.903 INFO [stderr] 160 |                 Err(err) => panic!("Whoops no hostname found"),
Dec 18 06:57:04.903 INFO [stderr]     |                     ^^^ help: consider using `_err` instead
Dec 18 06:57:04.903 INFO [stderr]     |
Dec 18 06:57:04.903 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 06:57:04.903 INFO [stderr] 
Dec 18 06:57:04.903 INFO [stderr] warning: unused variable: `err`
Dec 18 06:57:04.903 INFO [stderr]   --> src/main.rs:72:17
Dec 18 06:57:04.903 INFO [stderr]    |
Dec 18 06:57:04.903 INFO [stderr] 72 |             Err(err) => format!("$HOME/.cargo/bin/rustup run {} cargo", self.toolchain).into(),
Dec 18 06:57:04.903 INFO [stderr]    |                 ^^^ help: consider using `_err` instead
Dec 18 06:57:04.903 INFO [stderr] 
Dec 18 06:57:04.940 INFO [stderr] warning: unused variable: `err`
Dec 18 06:57:04.940 INFO [stderr]    --> src/main.rs:160:21
Dec 18 06:57:04.940 INFO [stderr]     |
Dec 18 06:57:04.940 INFO [stderr] 160 |                 Err(err) => panic!("Whoops no hostname found"),
Dec 18 06:57:04.940 INFO [stderr]     |                     ^^^ help: consider using `_err` instead
Dec 18 06:57:04.940 INFO [stderr]     |
Dec 18 06:57:04.940 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 06:57:04.940 INFO [stderr] 
Dec 18 06:57:04.948 INFO [stderr] warning: unused variable: `err`
Dec 18 06:57:04.948 INFO [stderr]   --> src/main.rs:72:17
Dec 18 06:57:04.948 INFO [stderr]    |
Dec 18 06:57:04.948 INFO [stderr] 72 |             Err(err) => format!("$HOME/.cargo/bin/rustup run {} cargo", self.toolchain).into(),
Dec 18 06:57:04.948 INFO [stderr]    |                 ^^^ help: consider using `_err` instead
Dec 18 06:57:04.948 INFO [stderr] 
Dec 18 06:57:04.976 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:57:04.976 INFO [stderr]    --> src/main.rs:201:9
Dec 18 06:57:04.976 INFO [stderr]     |
Dec 18 06:57:04.976 INFO [stderr] 201 |         matches.execute(pwd, build_args);
Dec 18 06:57:04.976 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:57:04.976 INFO [stderr]     |
Dec 18 06:57:04.976 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 06:57:04.976 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:57:04.976 INFO [stderr] 
Dec 18 06:57:05.000 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:57:05.000 INFO [stderr]    --> src/main.rs:201:9
Dec 18 06:57:05.000 INFO [stderr]     |
Dec 18 06:57:05.000 INFO [stderr] 201 |         matches.execute(pwd, build_args);
Dec 18 06:57:05.000 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:57:05.000 INFO [stderr]     |
Dec 18 06:57:05.000 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 06:57:05.000 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:57:05.000 INFO [stderr] 
Dec 18 06:57:05.056 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.78s
Dec 18 06:57:05.606 INFO running `"docker" "inspect" "1f6b583b00d9b02be3d39c7638190f454aac3566a204e775c4b17c8377e51dcd"`
Dec 18 06:57:05.685 INFO running `"docker" "rm" "-f" "1f6b583b00d9b02be3d39c7638190f454aac3566a204e775c4b17c8377e51dcd"`
Dec 18 06:57:05.875 INFO [stdout] 1f6b583b00d9b02be3d39c7638190f454aac3566a204e775c4b17c8377e51dcd