[INFO] updating cached repository kamalmarhubi/containy-thing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kamalmarhubi/containy-thing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kamalmarhubi/containy-thing" "work/ex/beta-1.38-1/sources/1.37.0/gh/kamalmarhubi/containy-thing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kamalmarhubi/containy-thing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kamalmarhubi/containy-thing" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kamalmarhubi/containy-thing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kamalmarhubi/containy-thing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e0548fd0edaf7f7d10a19cbd834abe78f548c8d0
[INFO] sha for GitHub repo kamalmarhubi/containy-thing: e0548fd0edaf7f7d10a19cbd834abe78f548c8d0
[INFO] validating manifest of kamalmarhubi/containy-thing on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kamalmarhubi/containy-thing on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kamalmarhubi/containy-thing
[INFO] finished frobbing kamalmarhubi/containy-thing
[INFO] frobbed toml for kamalmarhubi/containy-thing written to work/ex/beta-1.38-1/sources/1.37.0/gh/kamalmarhubi/containy-thing/Cargo.toml
[INFO] started frobbing kamalmarhubi/containy-thing
[INFO] finished frobbing kamalmarhubi/containy-thing
[INFO] frobbed toml for kamalmarhubi/containy-thing written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kamalmarhubi/containy-thing/Cargo.toml
[INFO] crate kamalmarhubi/containy-thing already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kamalmarhubi/containy-thing against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 78232872fcc0e84a67b3f2c3948e35f611b3c97d59a4e407e58c33c51d47e6ec
[INFO] running `"docker" "start" "-a" "78232872fcc0e84a67b3f2c3948e35f611b3c97d59a4e407e58c33c51d47e6ec"`
[INFO] [stderr]    Compiling winapi v0.2.6
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling either v1.0.1
[INFO] [stderr]    Compiling strsim v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.8.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling term_size v0.1.1
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling itertools v0.5.5
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling tempdir v0.3.4
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling walkdir v0.1.5
[INFO] [stderr]    Compiling clap v2.10.4
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling containy-thing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::fmt;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MS_NODEV`, `MS_NOEXEC`, `MS_NOSUID`, `MsFlags`
[INFO] [stderr]   --> src/main.rs:26:34
[INFO] [stderr]    |
[INFO] [stderr] 26 | use nix::mount::{mount, umount2, MsFlags, MNT_DETACH, MS_NODEV, MS_BIND, MS_NOSUID, MS_REC, MS_PRIVATE, MS_NOEXEC};
[INFO] [stderr]    |                                  ^^^^^^^              ^^^^^^^^           ^^^^^^^^^                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CLONE_NEWIPC`, `CLONE_NEWNET`, `CLONE_NEWUTS`
[INFO] [stderr]   --> src/main.rs:27:69
[INFO] [stderr]    |
[INFO] [stderr] 27 | use nix::sched::{unshare, CLONE_NEWUSER, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUTS, CLONE_NEWNET,
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 28 |                  CLONE_NEWIPC};
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `WalkDirIterator`, `WalkDir`
[INFO] [stderr]   --> src/main.rs:33:15
[INFO] [stderr]    |
[INFO] [stderr] 33 | use walkdir::{WalkDir, WalkDirIterator};
[INFO] [stderr]    |               ^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 | type Error = Box<std::error::Error + Send + Sync>;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gid`
[INFO] [stderr]    --> src/main.rs:113:15
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let (uid, gid) = (getuid(), getgid());
[INFO] [stderr]     |               ^^^ help: consider prefixing with an underscore: `_gid`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.80s
[INFO] running `"docker" "inspect" "78232872fcc0e84a67b3f2c3948e35f611b3c97d59a4e407e58c33c51d47e6ec"`
[INFO] running `"docker" "rm" "-f" "78232872fcc0e84a67b3f2c3948e35f611b3c97d59a4e407e58c33c51d47e6ec"`
[INFO] [stdout] 78232872fcc0e84a67b3f2c3948e35f611b3c97d59a4e407e58c33c51d47e6ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8c835bacce1794d72fbda46031e98f40e29c1e259f2382d6319572a3680e5ddf
[INFO] running `"docker" "start" "-a" "8c835bacce1794d72fbda46031e98f40e29c1e259f2382d6319572a3680e5ddf"`
[INFO] [stderr]    Compiling containy-thing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::fmt;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MS_NODEV`, `MS_NOEXEC`, `MS_NOSUID`, `MsFlags`
[INFO] [stderr]   --> src/main.rs:26:34
[INFO] [stderr]    |
[INFO] [stderr] 26 | use nix::mount::{mount, umount2, MsFlags, MNT_DETACH, MS_NODEV, MS_BIND, MS_NOSUID, MS_REC, MS_PRIVATE, MS_NOEXEC};
[INFO] [stderr]    |                                  ^^^^^^^              ^^^^^^^^           ^^^^^^^^^                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CLONE_NEWIPC`, `CLONE_NEWNET`, `CLONE_NEWUTS`
[INFO] [stderr]   --> src/main.rs:27:69
[INFO] [stderr]    |
[INFO] [stderr] 27 | use nix::sched::{unshare, CLONE_NEWUSER, CLONE_NEWNS, CLONE_NEWPID, CLONE_NEWUTS, CLONE_NEWNET,
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 28 |                  CLONE_NEWIPC};
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `WalkDirIterator`, `WalkDir`
[INFO] [stderr]   --> src/main.rs:33:15
[INFO] [stderr]    |
[INFO] [stderr] 33 | use walkdir::{WalkDir, WalkDirIterator};
[INFO] [stderr]    |               ^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 | type Error = Box<std::error::Error + Send + Sync>;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gid`
[INFO] [stderr]    --> src/main.rs:113:15
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let (uid, gid) = (getuid(), getgid());
[INFO] [stderr]     |               ^^^ help: consider prefixing with an underscore: `_gid`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "8c835bacce1794d72fbda46031e98f40e29c1e259f2382d6319572a3680e5ddf"`
[INFO] running `"docker" "rm" "-f" "8c835bacce1794d72fbda46031e98f40e29c1e259f2382d6319572a3680e5ddf"`
[INFO] [stdout] 8c835bacce1794d72fbda46031e98f40e29c1e259f2382d6319572a3680e5ddf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9bec5ab6e90ff634a74ee7a080cac582f9bed6aaf7c2af87fdf11a5eca94a09d
[INFO] running `"docker" "start" "-a" "9bec5ab6e90ff634a74ee7a080cac582f9bed6aaf7c2af87fdf11a5eca94a09d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/containy_thing-b4e97aeef578c5e6
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9bec5ab6e90ff634a74ee7a080cac582f9bed6aaf7c2af87fdf11a5eca94a09d"`
[INFO] running `"docker" "rm" "-f" "9bec5ab6e90ff634a74ee7a080cac582f9bed6aaf7c2af87fdf11a5eca94a09d"`
[INFO] [stdout] 9bec5ab6e90ff634a74ee7a080cac582f9bed6aaf7c2af87fdf11a5eca94a09d