[INFO] crate flumedb 0.1.3 is already in cache
[INFO] checking flumedb-0.1.3 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate flumedb 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate flumedb 0.1.3 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate flumedb 0.1.3
[INFO] finished tweaking crates.io crate flumedb 0.1.3
[INFO] tweaked toml for crates.io crate flumedb 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61f588febc0ffd9dd46d6a4f49b592b14d98a1789d4326f000ced7399c8815a6
[INFO] running `"docker" "start" "-a" "61f588febc0ffd9dd46d6a4f49b592b14d98a1789d4326f000ced7399c8815a6"`
[INFO] [stderr]     Checking buffered_offset_reader v0.6.0
[INFO] [stderr]     Checking bidir_iter v0.2.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking serde_bytes v0.11.3
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling libsodium-sys v0.2.5
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Checking sodiumoxide v0.2.5
[INFO] [stderr]     Checking ssb-crypto v0.1.4
[INFO] [stderr]     Checking ssb-multiformats v0.1.0
[INFO] [stderr]     Checking flumedb v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> benches/bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `forward` found for struct `flumedb::Forward<flumedb::OffsetLogIter<u32>>` in the current scope
[INFO] [stderr]    --> benches/bench.rs:111:34
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 let count = iter.forward().count();
[INFO] [stderr]     |                                  ^^^^^^^ method not found in `flumedb::Forward<flumedb::OffsetLogIter<u32>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter_at_offset` found for struct `flumedb::OffsetLog<u32>` in the current scope
[INFO] [stderr]    --> benches/bench.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |             || log.iter_at_offset(log.end()),
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^ method not found in `flumedb::OffsetLog<u32>`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/workdir/src/iter_at_offset.rs:4:8
[INFO] [stderr]     |
[INFO] [stderr] 4   |     fn iter_at_offset(&self, offset: u64) -> I;
[INFO] [stderr]     |        --------------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<flumedb::OffsetLog<u32>>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<flumedb::OffsetLog<u32>>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<flumedb::OffsetLog<u32>>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]     |
[INFO] [stderr] 4   | use crate::flumedb::IterAtOffset;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `forward` found for struct `flumedb::Forward<flumedb::OffsetLogIter<u32>>` in the current scope
[INFO] [stderr]    --> benches/bench.rs:142:22
[INFO] [stderr]     |
[INFO] [stderr] 142 |                     .forward()
[INFO] [stderr]     |                      ^^^^^^^ method not found in `flumedb::Forward<flumedb::OffsetLogIter<u32>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `flumedb`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "61f588febc0ffd9dd46d6a4f49b592b14d98a1789d4326f000ced7399c8815a6"`
[INFO] running `"docker" "rm" "-f" "61f588febc0ffd9dd46d6a4f49b592b14d98a1789d4326f000ced7399c8815a6"`
[INFO] [stdout] 61f588febc0ffd9dd46d6a4f49b592b14d98a1789d4326f000ced7399c8815a6
