[INFO] fetching crate cloak 0.2.0...
[INFO] testing cloak-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cloak 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cloak 0.2.0 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 crates.io crate cloak 0.2.0
[INFO] finished tweaking crates.io crate cloak 0.2.0
[INFO] tweaked toml for crates.io crate cloak 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48907730a289a41781eb18ee05cef629b48bbf95695e0c581b2a7e73126471b0
[INFO] running `Command { std: "docker" "start" "-a" "48907730a289a41781eb18ee05cef629b48bbf95695e0c581b2a7e73126471b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48907730a289a41781eb18ee05cef629b48bbf95695e0c581b2a7e73126471b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48907730a289a41781eb18ee05cef629b48bbf95695e0c581b2a7e73126471b0", kill_on_drop: false }`
[INFO] [stdout] 48907730a289a41781eb18ee05cef629b48bbf95695e0c581b2a7e73126471b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 07424aada43ec845aa52e630469e35e885eeee1628186bb6de983edbbe94cf04
[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" "07424aada43ec845aa52e630469e35e885eeee1628186bb6de983edbbe94cf04", kill_on_drop: false }`
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling open v1.4.0
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling cloak v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fs.rs:40:53
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn recovery_codes(account_name: &str) -> Result<(PathBuf)> {
[INFO] [stdout]    |                                                     ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fs.rs:49:60
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_file_path(dir: &PathBuf, file_name: &str) -> Result<(PathBuf)> {
[INFO] [stdout]    |                                                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.61s
[INFO] running `Command { std: "docker" "inspect" "07424aada43ec845aa52e630469e35e885eeee1628186bb6de983edbbe94cf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07424aada43ec845aa52e630469e35e885eeee1628186bb6de983edbbe94cf04", kill_on_drop: false }`
[INFO] [stdout] 07424aada43ec845aa52e630469e35e885eeee1628186bb6de983edbbe94cf04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e860adb83b962b145458e0091793c857dda85bbdf62053c972e057fce43aa04d
[INFO] running `Command { std: "docker" "start" "-a" "e860adb83b962b145458e0091793c857dda85bbdf62053c972e057fce43aa04d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cloak v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fs.rs:40:53
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn recovery_codes(account_name: &str) -> Result<(PathBuf)> {
[INFO] [stdout]    |                                                     ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/fs.rs:49:60
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_file_path(dir: &PathBuf, file_name: &str) -> Result<(PathBuf)> {
[INFO] [stdout]    |                                                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "e860adb83b962b145458e0091793c857dda85bbdf62053c972e057fce43aa04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e860adb83b962b145458e0091793c857dda85bbdf62053c972e057fce43aa04d", kill_on_drop: false }`
[INFO] [stdout] e860adb83b962b145458e0091793c857dda85bbdf62053c972e057fce43aa04d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 822e8d47b895cc83276108fac80ff28d57c53f56451c5ad557044f0fd898cde7
[INFO] running `Command { std: "docker" "start" "-a" "822e8d47b895cc83276108fac80ff28d57c53f56451c5ad557044f0fd898cde7", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/fs.rs:40:53
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn recovery_codes(account_name: &str) -> Result<(PathBuf)> {
[INFO] [stderr]    |                                                     ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/fs.rs:49:60
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn get_file_path(dir: &PathBuf, file_name: &str) -> Result<(PathBuf)> {
[INFO] [stderr]    |                                                            ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cloak-d691e48663ee48d0
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test cmd::view::tests::test_is_number ... ok
[INFO] [stdout] test cmd::add::tests::test_is_base32_key ... ok
[INFO] [stdout] test otp::tests::test_sha512_256 ... ok
[INFO] [stdout] test otp::tests::test_sha384 ... ok
[INFO] [stdout] test otp::tests::test_sha1 ... ok
[INFO] [stdout] test otp::tests::test_sha512 ... ok
[INFO] [stdout] test otp::tests::test_hotp_default ... ok
[INFO] [stdout] test otp::tests::test_sha256 ... ok
[INFO] [stdout] test otp::tests::test_hotp_given_counter_and_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "822e8d47b895cc83276108fac80ff28d57c53f56451c5ad557044f0fd898cde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822e8d47b895cc83276108fac80ff28d57c53f56451c5ad557044f0fd898cde7", kill_on_drop: false }`
[INFO] [stdout] 822e8d47b895cc83276108fac80ff28d57c53f56451c5ad557044f0fd898cde7