[INFO] updating cached repository https://github.com/erochest/file-extender
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0dc8b752a9e46498ba1debc1202a7ac507bbd8ed
[INFO] testing erochest/file-extender against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Ffile-extender" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erochest/file-extender on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/erochest/file-extender
[INFO] finished tweaking git repo https://github.com/erochest/file-extender
[INFO] tweaked toml for git repo https://github.com/erochest/file-extender written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/erochest/file-extender already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96288f98380826d656a9409ecac408ea876f74b2ef56752f85a1baf0bcda20c2
[INFO] running `"docker" "start" "-a" "96288f98380826d656a9409ecac408ea876f74b2ef56752f85a1baf0bcda20c2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling magic-sys v0.2.0
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling magic v0.12.2
[INFO] [stderr]    Compiling clap v2.31.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling file-extender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.60s
[INFO] running `"docker" "inspect" "96288f98380826d656a9409ecac408ea876f74b2ef56752f85a1baf0bcda20c2"`
[INFO] running `"docker" "rm" "-f" "96288f98380826d656a9409ecac408ea876f74b2ef56752f85a1baf0bcda20c2"`
[INFO] [stdout] 96288f98380826d656a9409ecac408ea876f74b2ef56752f85a1baf0bcda20c2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61b09ebaa9100cfa48f5bdc8dcb2b8dc5d3ad409836857521e114918101e37d2
[INFO] running `"docker" "start" "-a" "61b09ebaa9100cfa48f5bdc8dcb2b8dc5d3ad409836857521e114918101e37d2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling file-extender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs::DirEntry`
[INFO] [stderr]   --> src/walker.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     use std::fs::DirEntry;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/walker.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     use std::io;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `"docker" "inspect" "61b09ebaa9100cfa48f5bdc8dcb2b8dc5d3ad409836857521e114918101e37d2"`
[INFO] running `"docker" "rm" "-f" "61b09ebaa9100cfa48f5bdc8dcb2b8dc5d3ad409836857521e114918101e37d2"`
[INFO] [stdout] 61b09ebaa9100cfa48f5bdc8dcb2b8dc5d3ad409836857521e114918101e37d2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21452c13848699cc279acc7503163e83ed9382476a1205654a97c1ec0bdfff83
[INFO] running `"docker" "start" "-a" "21452c13848699cc279acc7503163e83ed9382476a1205654a97c1ec0bdfff83"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::fs::DirEntry`
[INFO] [stderr]   --> src/walker.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     use std::fs::DirEntry;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/walker.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     use std::io;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_extender-a2c899658429cb4c
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test walker::test::test_returns_nested_directories ... ok
[INFO] [stdout] test walker::test::test_returns_files_directly_in_input_directory ... ok
[INFO] [stdout] test walker::test::test_returns_only_the_input_file ... ok
[INFO] [stdout] test walker::test::test_returns_the_input_directory ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_extender-788067aad8753f5e
[INFO] [stdout] test walker::test::test_returns_nested_files ... ok
[INFO] [stdout] test walker::test::test_returns_directories_directly_in_input_directories ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]    Doc-tests file-extender
[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" "21452c13848699cc279acc7503163e83ed9382476a1205654a97c1ec0bdfff83"`
[INFO] running `"docker" "rm" "-f" "21452c13848699cc279acc7503163e83ed9382476a1205654a97c1ec0bdfff83"`
[INFO] [stdout] 21452c13848699cc279acc7503163e83ed9382476a1205654a97c1ec0bdfff83