[INFO] cloning repository https://github.com/ajmalsiddiqui/siftfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajmalsiddiqui/siftfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmalsiddiqui%2Fsiftfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmalsiddiqui%2Fsiftfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7bbe54ab72edc1a9c6be094f970eb3b1c46d79b
[INFO] testing ajmalsiddiqui/siftfs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmalsiddiqui%2Fsiftfs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajmalsiddiqui/siftfs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ajmalsiddiqui/siftfs
[INFO] finished tweaking git repo https://github.com/ajmalsiddiqui/siftfs
[INFO] tweaked toml for git repo https://github.com/ajmalsiddiqui/siftfs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ajmalsiddiqui/siftfs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0996155497c9f7f6e3189143252ba54a7897113d2ae024d47bcf403f9e8af582
[INFO] running `Command { std: "docker" "start" "-a" "0996155497c9f7f6e3189143252ba54a7897113d2ae024d47bcf403f9e8af582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0996155497c9f7f6e3189143252ba54a7897113d2ae024d47bcf403f9e8af582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0996155497c9f7f6e3189143252ba54a7897113d2ae024d47bcf403f9e8af582", kill_on_drop: false }`
[INFO] [stdout] 0996155497c9f7f6e3189143252ba54a7897113d2ae024d47bcf403f9e8af582
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d65c42f6687ee9b94bb0b62f1590fa4e68526d12ff742ad2b79726d0010341d1
[INFO] running `Command { std: "docker" "start" "-a" "d65c42f6687ee9b94bb0b62f1590fa4e68526d12ff742ad2b79726d0010341d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling siftfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `dir_list`
[INFO] [stdout]   --> src/sift.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     dir_list: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SiftFilesystem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/sift.rs:80:10
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.48s
[INFO] running `Command { std: "docker" "inspect" "d65c42f6687ee9b94bb0b62f1590fa4e68526d12ff742ad2b79726d0010341d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d65c42f6687ee9b94bb0b62f1590fa4e68526d12ff742ad2b79726d0010341d1", kill_on_drop: false }`
[INFO] [stdout] d65c42f6687ee9b94bb0b62f1590fa4e68526d12ff742ad2b79726d0010341d1
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9daf0983c5191372a58a6a3a8e8236059ff8e025b9b3770c54cc0b4a02a84fb4
[INFO] running `Command { std: "docker" "start" "-a" "9daf0983c5191372a58a6a3a8e8236059ff8e025b9b3770c54cc0b4a02a84fb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling siftfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `dir_list`
[INFO] [stdout]   --> src/sift.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     dir_list: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SiftFilesystem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/sift.rs:80:10
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dir_list`
[INFO] [stdout]   --> src/sift.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     dir_list: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `SiftFilesystem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/sift.rs:80:10
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/siftfs-db1d76224caa555a)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/siftfs-9e1bfd142f865ae1)
[INFO] running `Command { std: "docker" "inspect" "9daf0983c5191372a58a6a3a8e8236059ff8e025b9b3770c54cc0b4a02a84fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9daf0983c5191372a58a6a3a8e8236059ff8e025b9b3770c54cc0b4a02a84fb4", kill_on_drop: false }`
[INFO] [stdout] 9daf0983c5191372a58a6a3a8e8236059ff8e025b9b3770c54cc0b4a02a84fb4
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5a587fdd9129f9b7a4f34c1290e07f8ddcb6fa1815bc79b8aa4f9d7abbb60e9
[INFO] running `Command { std: "docker" "start" "-a" "e5a587fdd9129f9b7a4f34c1290e07f8ddcb6fa1815bc79b8aa4f9d7abbb60e9", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `dir_list`
[INFO] [stderr]   --> src/sift.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     dir_list: HashSet<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `SiftFilesystem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/sift.rs:80:10
[INFO] [stderr]    |
[INFO] [stderr] 80 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `siftfs` (lib) generated 1 warning
[INFO] [stderr] warning: `siftfs` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/siftfs-db1d76224caa555a)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/siftfs-9e1bfd142f865ae1)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests siftfs
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5a587fdd9129f9b7a4f34c1290e07f8ddcb6fa1815bc79b8aa4f9d7abbb60e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a587fdd9129f9b7a4f34c1290e07f8ddcb6fa1815bc79b8aa4f9d7abbb60e9", kill_on_drop: false }`
[INFO] [stdout] e5a587fdd9129f9b7a4f34c1290e07f8ddcb6fa1815bc79b8aa4f9d7abbb60e9