Dec 17 21:46:15.077 INFO checking kamalmarhubi/containy-thing against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 21:46:15.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/kamalmarhubi/containy-thing:/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 17 21:46:15.530 INFO [stdout] 943bdfaeaf458b3a86c5799651d5136383bf9988a120c8a75b7677d5ae1f3ed4
Dec 17 21:46:15.532 INFO running `"docker" "start" "-a" "943bdfaeaf458b3a86c5799651d5136383bf9988a120c8a75b7677d5ae1f3ed4"`
Dec 17 21:46:16.923 INFO [stderr]     Checking either v1.0.1
Dec 17 21:46:16.923 INFO [stderr]    Compiling kernel32-sys v0.2.1
Dec 17 21:46:16.923 INFO [stderr]     Checking term_size v0.1.1
Dec 17 21:46:16.923 INFO [stderr]     Checking nix v0.5.1
Dec 17 21:46:16.923 INFO [stderr]     Checking tempdir v0.3.4
Dec 17 21:46:17.663 INFO [stderr]     Checking clap v2.10.4
Dec 17 21:46:17.996 INFO [stderr]     Checking itertools v0.5.5
Dec 17 21:46:18.742 INFO [stderr]     Checking thread-id v2.0.0
Dec 17 21:46:18.744 INFO [stderr]     Checking walkdir v0.1.5
Dec 17 21:46:19.506 INFO [stderr]     Checking thread_local v0.2.7
Dec 17 21:46:20.655 INFO [stderr]     Checking regex v0.1.80
Dec 17 21:46:24.515 INFO [stderr]     Checking env_logger v0.3.5
Dec 17 21:46:25.985 INFO [stderr]     Checking containy-thing v0.1.0 (/opt/crater/workdir)
Dec 17 21:46:26.515 INFO [stderr] warning: unused import: `std::fmt`
Dec 17 21:46:26.515 INFO [stderr]   --> src/main.rs:12:5
Dec 17 21:46:26.515 INFO [stderr]    |
Dec 17 21:46:26.515 INFO [stderr] 12 | use std::fmt;
Dec 17 21:46:26.515 INFO [stderr]    |     ^^^^^^^^
Dec 17 21:46:26.515 INFO [stderr]    |
Dec 17 21:46:26.515 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 21:46:26.515 INFO [stderr] 
Dec 17 21:46:26.515 INFO [stderr] warning: unused imports: `MS_NODEV`, `MS_NOEXEC`, `MS_NOSUID`, `MsFlags`
Dec 17 21:46:26.515 INFO [stderr]   --> src/main.rs:26:34
Dec 17 21:46:26.515 INFO [stderr]    |
Dec 17 21:46:26.515 INFO [stderr] 26 | use nix::mount::{mount, umount2, MsFlags, MNT_DETACH, MS_NODEV, MS_BIND, MS_NOSUID, MS_REC, MS_PRIVATE, MS_NOEXEC};
Dec 17 21:46:26.515 INFO [stderr]    |                                  ^^^^^^^              ^^^^^^^^           ^^^^^^^^^                      ^^^^^^^^^
Dec 17 21:46:26.515 INFO [stderr] 
Dec 17 21:46:26.516 INFO [stderr] warning: unused import: `std::fmt`
Dec 17 21:46:26.516 INFO [stderr]   --> src/main.rs:12:5
Dec 17 21:46:26.516 INFO [stderr]    |
Dec 17 21:46:26.516 INFO [stderr] 12 | use std::fmt;
Dec 17 21:46:26.516 INFO [stderr]    |     ^^^^^^^^
Dec 17 21:46:26.516 INFO [stderr]    |
Dec 17 21:46:26.516 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 21:46:26.516 INFO [stderr] 
Dec 17 21:46:26.516 INFO [stderr] warning: unused imports: `MS_NODEV`, `MS_NOEXEC`, `MS_NOSUID`, `MsFlags`
Dec 17 21:46:26.516 INFO [stderr]   --> src/main.rs:26:34
Dec 17 21:46:26.516 INFO [stderr]    |
Dec 17 21:46:26.516 INFO [stderr] 26 | use nix::mount::{mount, umount2, MsFlags, MNT_DETACH, MS_NODEV, MS_BIND, MS_NOSUID, MS_REC, MS_PRIVATE, MS_NOEXEC};
Dec 17 21:46:26.517 INFO [stderr]    |                                  ^^^^^^^              ^^^^^^^^           ^^^^^^^^^                      ^^^^^^^^^
Dec 17 21:46:26.517 INFO [stderr] 
Dec 17 21:46:26.517 INFO [stderr] warning: unused imports: `CLONE_NEWIPC`, `CLONE_NEWNET`, `CLONE_NEWUTS`
Dec 17 21:46:26.517 INFO [stderr]   --> src/main.rs:27:69
Dec 17 21:46:26.517 INFO [stderr]    |
Dec 17 21:46:26.517 INFO [stderr] 27 | use nix::sched::{unshare, CLONE_NEWUSER, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUTS, CLONE_NEWNET,
Dec 17 21:46:26.517 INFO [stderr]    |                                                                     ^^^^^^^^^^^^  ^^^^^^^^^^^^
Dec 17 21:46:26.517 INFO [stderr] 28 |                  CLONE_NEWIPC};
Dec 17 21:46:26.517 INFO [stderr]    |                  ^^^^^^^^^^^^
Dec 17 21:46:26.517 INFO [stderr] 
Dec 17 21:46:26.520 INFO [stderr] warning: unused imports: `CLONE_NEWIPC`, `CLONE_NEWNET`, `CLONE_NEWUTS`
Dec 17 21:46:26.520 INFO [stderr]   --> src/main.rs:27:69
Dec 17 21:46:26.520 INFO [stderr]    |
Dec 17 21:46:26.520 INFO [stderr] 27 | use nix::sched::{unshare, CLONE_NEWUSER, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUTS, CLONE_NEWNET,
Dec 17 21:46:26.520 INFO [stderr]    |                                                                     ^^^^^^^^^^^^  ^^^^^^^^^^^^
Dec 17 21:46:26.520 INFO [stderr] 28 |                  CLONE_NEWIPC};
Dec 17 21:46:26.520 INFO [stderr]    |                  ^^^^^^^^^^^^
Dec 17 21:46:26.520 INFO [stderr] 
Dec 17 21:46:26.520 INFO [stderr] warning: unused imports: `WalkDirIterator`, `WalkDir`
Dec 17 21:46:26.521 INFO [stderr]   --> src/main.rs:33:15
Dec 17 21:46:26.521 INFO [stderr]    |
Dec 17 21:46:26.521 INFO [stderr] 33 | use walkdir::{WalkDir, WalkDirIterator};
Dec 17 21:46:26.521 INFO [stderr]    |               ^^^^^^^  ^^^^^^^^^^^^^^^
Dec 17 21:46:26.521 INFO [stderr] 
Dec 17 21:46:26.521 INFO [stderr] warning: unused imports: `WalkDirIterator`, `WalkDir`
Dec 17 21:46:26.521 INFO [stderr]   --> src/main.rs:33:15
Dec 17 21:46:26.521 INFO [stderr]    |
Dec 17 21:46:26.521 INFO [stderr] 33 | use walkdir::{WalkDir, WalkDirIterator};
Dec 17 21:46:26.521 INFO [stderr]    |               ^^^^^^^  ^^^^^^^^^^^^^^^
Dec 17 21:46:26.521 INFO [stderr] 
Dec 17 21:46:26.749 INFO [stderr] warning: unused variable: `gid`
Dec 17 21:46:26.752 INFO [stderr]    --> src/main.rs:113:15
Dec 17 21:46:26.752 INFO [stderr]     |
Dec 17 21:46:26.752 INFO [stderr] 113 |     let (uid, gid) = (getuid(), getgid());
Dec 17 21:46:26.752 INFO [stderr]     |               ^^^ help: consider using `_gid` instead
Dec 17 21:46:26.753 INFO [stderr] warning: unused variable: `gid`
Dec 17 21:46:26.753 INFO [stderr]    --> src/main.rs:113:15
Dec 17 21:46:26.753 INFO [stderr]     |
Dec 17 21:46:26.753 INFO [stderr] 113 |     let (uid, gid) = (getuid(), getgid());
Dec 17 21:46:26.753 INFO [stderr]     |               ^^^ help: consider using `_gid` instead
Dec 17 21:46:26.753 INFO [stderr]     |
Dec 17 21:46:26.753 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 21:46:26.753 INFO [stderr] 
Dec 17 21:46:26.753 INFO [stderr]     |
Dec 17 21:46:26.753 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 21:46:26.753 INFO [stderr] 
Dec 17 21:46:26.937 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.11s
Dec 17 21:46:28.344 INFO running `"docker" "inspect" "943bdfaeaf458b3a86c5799651d5136383bf9988a120c8a75b7677d5ae1f3ed4"`
Dec 17 21:46:28.588 INFO running `"docker" "rm" "-f" "943bdfaeaf458b3a86c5799651d5136383bf9988a120c8a75b7677d5ae1f3ed4"`
Dec 17 21:46:28.981 INFO [stdout] 943bdfaeaf458b3a86c5799651d5136383bf9988a120c8a75b7677d5ae1f3ed4