[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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Ffile-extender" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erochest/file-extender on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-8/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] 8dd00d403b70d3c51076cb5cab372c66091925201493c1e4743876540c617f6f
[INFO] running `"docker" "start" "-a" "8dd00d403b70d3c51076cb5cab372c66091925201493c1e4743876540c617f6f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling magic-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling magic v0.12.2
[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 26.57s
[INFO] running `"docker" "inspect" "8dd00d403b70d3c51076cb5cab372c66091925201493c1e4743876540c617f6f"`
[INFO] running `"docker" "rm" "-f" "8dd00d403b70d3c51076cb5cab372c66091925201493c1e4743876540c617f6f"`
[INFO] [stdout] 8dd00d403b70d3c51076cb5cab372c66091925201493c1e4743876540c617f6f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8ea898dd1f06c6e1b68c787a6b40b30ebdd7624c818724e923bc6ce3b7a63ba4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8ea898dd1f06c6e1b68c787a6b40b30ebdd7624c818724e923bc6ce3b7a63ba4"`
[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 2.27s
[INFO] running `"docker" "inspect" "8ea898dd1f06c6e1b68c787a6b40b30ebdd7624c818724e923bc6ce3b7a63ba4"`
[INFO] running `"docker" "rm" "-f" "8ea898dd1f06c6e1b68c787a6b40b30ebdd7624c818724e923bc6ce3b7a63ba4"`
[INFO] [stdout] 8ea898dd1f06c6e1b68c787a6b40b30ebdd7624c818724e923bc6ce3b7a63ba4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] 0937e3c06c025bc058f3b08cff9bfad406268fa1b975a3e03e37651de6fce480
[INFO] running `"docker" "start" "-a" "0937e3c06c025bc058f3b08cff9bfad406268fa1b975a3e03e37651de6fce480"`
[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 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_extender-a6c178ce2bb8fc3a
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test walker::test::test_returns_directories_directly_in_input_directories ... ok
[INFO] [stdout] test walker::test::test_returns_nested_directories ... ok
[INFO] [stdout] test walker::test::test_returns_only_the_input_file ... ok
[INFO] [stdout] test walker::test::test_returns_nested_files ... ok
[INFO] [stdout] test walker::test::test_returns_the_input_directory ... ok
[INFO] [stdout] test walker::test::test_returns_files_directly_in_input_directory ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_extender-9f54e78964dc43aa
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests file-extender
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 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] running `"docker" "inspect" "0937e3c06c025bc058f3b08cff9bfad406268fa1b975a3e03e37651de6fce480"`
[INFO] running `"docker" "rm" "-f" "0937e3c06c025bc058f3b08cff9bfad406268fa1b975a3e03e37651de6fce480"`
[INFO] [stdout] 0937e3c06c025bc058f3b08cff9bfad406268fa1b975a3e03e37651de6fce480