[INFO] fetching crate libbtrfs 0.0.20...
[INFO] testing libbtrfs-0.0.20 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate libbtrfs 0.0.20 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate libbtrfs 0.0.20
[INFO] finished tweaking crates.io crate libbtrfs 0.0.20
[INFO] tweaked toml for crates.io crate libbtrfs 0.0.20 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libbtrfs 0.0.20 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding syscalls v0.6.18 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fca65ee82b432b031288200df4b8749ff7e3536ea5b0e7baa716ddee31d2ad07
[INFO] running `Command { std: "docker" "start" "-a" "fca65ee82b432b031288200df4b8749ff7e3536ea5b0e7baa716ddee31d2ad07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fca65ee82b432b031288200df4b8749ff7e3536ea5b0e7baa716ddee31d2ad07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca65ee82b432b031288200df4b8749ff7e3536ea5b0e7baa716ddee31d2ad07", kill_on_drop: false }`
[INFO] [stdout] fca65ee82b432b031288200df4b8749ff7e3536ea5b0e7baa716ddee31d2ad07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f49cb51dc03313223ffbe9b3472c69f8b07bc0c16417f51d9797576f6d00addf
[INFO] running `Command { std: "docker" "start" "-a" "f49cb51dc03313223ffbe9b3472c69f8b07bc0c16417f51d9797576f6d00addf", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling libc v0.2.179
[INFO] [stderr]    Compiling uuid v1.19.0
[INFO] [stderr]    Compiling libbtrfs v0.0.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree_search.rs:205:27
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn search_with<F>(&mut self, f: F) -> io::Result<Option<SearchBuf>>
[INFO] [stdout]     |                           ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn search_with<F>(&mut self, f: F) -> io::Result<Option<SearchBuf<'_>>>
[INFO] [stdout]     |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree_search.rs:240:19
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn search(&mut self) -> io::Result<Option<SearchBuf>> {
[INFO] [stdout]     |                   ^^^^^^^^^                       ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn search(&mut self) -> io::Result<Option<SearchBuf<'_>>> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "f49cb51dc03313223ffbe9b3472c69f8b07bc0c16417f51d9797576f6d00addf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49cb51dc03313223ffbe9b3472c69f8b07bc0c16417f51d9797576f6d00addf", kill_on_drop: false }`
[INFO] [stdout] f49cb51dc03313223ffbe9b3472c69f8b07bc0c16417f51d9797576f6d00addf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ec969dc5772a59dfa89228ab2904e81568d6e0838927fa7b30ae5fa981ce5be
[INFO] running `Command { std: "docker" "start" "-a" "1ec969dc5772a59dfa89228ab2904e81568d6e0838927fa7b30ae5fa981ce5be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libbtrfs v0.0.20 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree_search.rs:205:27
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn search_with<F>(&mut self, f: F) -> io::Result<Option<SearchBuf>>
[INFO] [stdout]     |                           ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn search_with<F>(&mut self, f: F) -> io::Result<Option<SearchBuf<'_>>>
[INFO] [stdout]     |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree_search.rs:240:19
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn search(&mut self) -> io::Result<Option<SearchBuf>> {
[INFO] [stdout]     |                   ^^^^^^^^^                       ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn search(&mut self) -> io::Result<Option<SearchBuf<'_>>> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree_search.rs:205:27
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn search_with<F>(&mut self, f: F) -> io::Result<Option<SearchBuf>>
[INFO] [stdout]     |                           ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn search_with<F>(&mut self, f: F) -> io::Result<Option<SearchBuf<'_>>>
[INFO] [stdout]     |                                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tree_search.rs:240:19
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn search(&mut self) -> io::Result<Option<SearchBuf>> {
[INFO] [stdout]     |                   ^^^^^^^^^                       ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn search(&mut self) -> io::Result<Option<SearchBuf<'_>>> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "1ec969dc5772a59dfa89228ab2904e81568d6e0838927fa7b30ae5fa981ce5be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec969dc5772a59dfa89228ab2904e81568d6e0838927fa7b30ae5fa981ce5be", kill_on_drop: false }`
[INFO] [stdout] 1ec969dc5772a59dfa89228ab2904e81568d6e0838927fa7b30ae5fa981ce5be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f69ccbcb890411f1ec9c2c98de82217559a6069036d583762651f42e7260448d
[INFO] running `Command { std: "docker" "start" "-a" "f69ccbcb890411f1ec9c2c98de82217559a6069036d583762651f42e7260448d", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree_search.rs:205:27
[INFO] [stderr]     |
[INFO] [stderr] 205 |     pub fn search_with<F>(&mut self, f: F) -> io::Result<Option<SearchBuf>>
[INFO] [stderr]     |                           ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 205 |     pub fn search_with<F>(&mut self, f: F) -> io::Result<Option<SearchBuf<'_>>>
[INFO] [stderr]     |                                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tree_search.rs:240:19
[INFO] [stderr]     |
[INFO] [stderr] 240 |     pub fn search(&mut self) -> io::Result<Option<SearchBuf>> {
[INFO] [stderr]     |                   ^^^^^^^^^                       ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 240 |     pub fn search(&mut self) -> io::Result<Option<SearchBuf<'_>>> {
[INFO] [stderr]     |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `libbtrfs` (lib) generated 2 warnings (run `cargo fix --lib -p libbtrfs` to apply 2 suggestions)
[INFO] [stderr] warning: `libbtrfs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libbtrfs-9831e3e06b8cc5c3)
[INFO] [stderr]    Doc-tests libbtrfs
[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] [stdout] running 4 tests
[INFO] [stdout] test src/fs/mod.rs - fs::info (line 194) - compile ... ok
[INFO] [stdout] test src/tree_search.rs - tree_search::TreeSearch::search_with (line 201) ... FAILED
[INFO] [stdout] test src/subvol/mod.rs - subvol::snap::create (line 194) - compile ... ok
[INFO] [stdout] test src/dev/dev_info.rs - dev::dev_info::info_iter (line 135) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/tree_search.rs - tree_search::TreeSearch::search_with (line 201) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `TODO` in this scope
[INFO] [stdout]    --> src/tree_search.rs:202:1
[INFO] [stdout]     |
[INFO] [stdout] 202 | TODO
[INFO] [stdout]     | ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/tree_search.rs - tree_search::TreeSearch::search_with (line 201)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "f69ccbcb890411f1ec9c2c98de82217559a6069036d583762651f42e7260448d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69ccbcb890411f1ec9c2c98de82217559a6069036d583762651f42e7260448d", kill_on_drop: false }`
[INFO] [stdout] f69ccbcb890411f1ec9c2c98de82217559a6069036d583762651f42e7260448d
