[INFO] cloning repository https://github.com/erochest/file-extender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erochest/file-extender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Ffile-extender", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Ffile-extender'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0dc8b752a9e46498ba1debc1202a7ac507bbd8ed
[INFO] testing erochest/file-extender against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Ffile-extender" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[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 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a93d249d5d702efe3aa150ff03bb5f1e9aaf06f4525db50597aa180bcba2331
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a93d249d5d702efe3aa150ff03bb5f1e9aaf06f4525db50597aa180bcba2331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a93d249d5d702efe3aa150ff03bb5f1e9aaf06f4525db50597aa180bcba2331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a93d249d5d702efe3aa150ff03bb5f1e9aaf06f4525db50597aa180bcba2331", kill_on_drop: false }`
[INFO] [stdout] 6a93d249d5d702efe3aa150ff03bb5f1e9aaf06f4525db50597aa180bcba2331
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1b7b49f2718fd86a7ee60aaf48565bfb6d3348b907a20c94f5275bfc139552ba
[INFO] running `Command { std: "docker" "start" "-a" "1b7b49f2718fd86a7ee60aaf48565bfb6d3348b907a20c94f5275bfc139552ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling magic-sys v0.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[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 synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[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 42.62s
[INFO] running `Command { std: "docker" "inspect" "1b7b49f2718fd86a7ee60aaf48565bfb6d3348b907a20c94f5275bfc139552ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7b49f2718fd86a7ee60aaf48565bfb6d3348b907a20c94f5275bfc139552ba", kill_on_drop: false }`
[INFO] [stdout] 1b7b49f2718fd86a7ee60aaf48565bfb6d3348b907a20c94f5275bfc139552ba
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520f0098c0cfe1156d6e70cdd61406a9560351df832c72427fab7127559f7948
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "520f0098c0cfe1156d6e70cdd61406a9560351df832c72427fab7127559f7948", kill_on_drop: false }`
[INFO] [stderr]    Compiling file-extender v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::DirEntry`
[INFO] [stdout]   --> src/walker.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use std::fs::DirEntry;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/walker.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     use std::io;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "520f0098c0cfe1156d6e70cdd61406a9560351df832c72427fab7127559f7948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520f0098c0cfe1156d6e70cdd61406a9560351df832c72427fab7127559f7948", kill_on_drop: false }`
[INFO] [stdout] 520f0098c0cfe1156d6e70cdd61406a9560351df832c72427fab7127559f7948
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be748922163f22c6407e9dc8b992f6f580c06c10a59e1d22f80539cb1a102248
[INFO] running `Command { std: "docker" "start" "-a" "be748922163f22c6407e9dc8b992f6f580c06c10a59e1d22f80539cb1a102248", kill_on_drop: false }`
[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 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/file_extender-59f08d0cdbc1cb33
[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_the_input_directory ... 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] [stderr]      Running /opt/rustwide/target/debug/deps/file_extender-986731a81a562990
[INFO] [stdout] test walker::test::test_returns_nested_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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] [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 `Command { std: "docker" "inspect" "be748922163f22c6407e9dc8b992f6f580c06c10a59e1d22f80539cb1a102248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be748922163f22c6407e9dc8b992f6f580c06c10a59e1d22f80539cb1a102248", kill_on_drop: false }`
[INFO] [stdout] be748922163f22c6407e9dc8b992f6f580c06c10a59e1d22f80539cb1a102248