[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/c7bbe54ab72edc1a9c6be094f970eb3b1c46d79b against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmalsiddiqui%2Fsiftfs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajmalsiddiqui/siftfs on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a02cb4088feca5a8e57dbf92f868e4b5a9e61735db06a4aef599d951307df6fb
[INFO] running `Command { std: "docker" "start" "-a" "a02cb4088feca5a8e57dbf92f868e4b5a9e61735db06a4aef599d951307df6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a02cb4088feca5a8e57dbf92f868e4b5a9e61735db06a4aef599d951307df6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02cb4088feca5a8e57dbf92f868e4b5a9e61735db06a4aef599d951307df6fb", kill_on_drop: false }`
[INFO] [stdout] a02cb4088feca5a8e57dbf92f868e4b5a9e61735db06a4aef599d951307df6fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc984acdafd3962b313978657359ca41f169d0b376bd610d6cc425fcc206ce72
[INFO] running `Command { std: "docker" "start" "-a" "fc984acdafd3962b313978657359ca41f169d0b376bd610d6cc425fcc206ce72", kill_on_drop: false }`
[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 once_cell v1.7.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling thread_local v1.1.3
[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 `dir_list` is never read
[INFO] [stdout]   --> src/sift.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct SiftFilesystem {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     dir_list: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SiftFilesystem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/sift.rs:254:32
[INFO] [stdout]     |
[INFO] [stdout] 254 |             abs_path: file_path.clone().to_path_buf(),
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 254 -             abs_path: file_path.clone().to_path_buf(),
[INFO] [stdout] 254 +             abs_path: file_path.to_path_buf(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "fc984acdafd3962b313978657359ca41f169d0b376bd610d6cc425fcc206ce72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc984acdafd3962b313978657359ca41f169d0b376bd610d6cc425fcc206ce72", kill_on_drop: false }`
[INFO] [stdout] fc984acdafd3962b313978657359ca41f169d0b376bd610d6cc425fcc206ce72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a13bd660de61c0450804d5b98ffbd588e0e5a2fb75406d53de98b0f388814ba6
[INFO] running `Command { std: "docker" "start" "-a" "a13bd660de61c0450804d5b98ffbd588e0e5a2fb75406d53de98b0f388814ba6", kill_on_drop: false }`
[INFO] [stdout] warning: field `dir_list` is never read
[INFO] [stdout]   --> src/sift.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct SiftFilesystem {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     dir_list: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SiftFilesystem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling siftfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/sift.rs:254:32
[INFO] [stdout]     |
[INFO] [stdout] 254 |             abs_path: file_path.clone().to_path_buf(),
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 254 -             abs_path: file_path.clone().to_path_buf(),
[INFO] [stdout] 254 +             abs_path: file_path.to_path_buf(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dir_list` is never read
[INFO] [stdout]   --> src/sift.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct SiftFilesystem {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     dir_list: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SiftFilesystem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/sift.rs:254:32
[INFO] [stdout]     |
[INFO] [stdout] 254 |             abs_path: file_path.clone().to_path_buf(),
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 254 -             abs_path: file_path.clone().to_path_buf(),
[INFO] [stdout] 254 +             abs_path: file_path.to_path_buf(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "a13bd660de61c0450804d5b98ffbd588e0e5a2fb75406d53de98b0f388814ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13bd660de61c0450804d5b98ffbd588e0e5a2fb75406d53de98b0f388814ba6", kill_on_drop: false }`
[INFO] [stdout] a13bd660de61c0450804d5b98ffbd588e0e5a2fb75406d53de98b0f388814ba6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b68f62fc0b9486a18b9cfe0873358240ff68bd5d6b8a9fc7ae7836736b7d9398
[INFO] running `Command { std: "docker" "start" "-a" "b68f62fc0b9486a18b9cfe0873358240ff68bd5d6b8a9fc7ae7836736b7d9398", kill_on_drop: false }`
[INFO] [stderr] warning: field `dir_list` is never read
[INFO] [stderr]   --> src/sift.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub struct SiftFilesystem {
[INFO] [stderr]    |            -------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 88 |     dir_list: HashSet<String>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SiftFilesystem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/sift.rs:254:32
[INFO] [stderr]     |
[INFO] [stderr] 254 |             abs_path: file_path.clone().to_path_buf(),
[INFO] [stderr]     |                                ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 254 -             abs_path: file_path.clone().to_path_buf(),
[INFO] [stderr] 254 +             abs_path: file_path.to_path_buf(),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `siftfs` (lib) generated 2 warnings (run `cargo fix --lib -p siftfs` to apply 1 suggestion)
[INFO] [stderr] warning: `siftfs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/siftfs-d5a9204aee77570b)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/siftfs-77717b97c2a16e2c)
[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] [stderr]    Doc-tests siftfs
[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" "b68f62fc0b9486a18b9cfe0873358240ff68bd5d6b8a9fc7ae7836736b7d9398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68f62fc0b9486a18b9cfe0873358240ff68bd5d6b8a9fc7ae7836736b7d9398", kill_on_drop: false }`
[INFO] [stdout] b68f62fc0b9486a18b9cfe0873358240ff68bd5d6b8a9fc7ae7836736b7d9398