[INFO] fetching crate flumedb 0.1.5...
[INFO] checking flumedb-0.1.5 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate flumedb 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate flumedb 0.1.5 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flumedb 0.1.5
[INFO] finished tweaking crates.io crate flumedb 0.1.5
[INFO] tweaked toml for crates.io crate flumedb 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
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[INFO] [stderr]   Downloaded ssb-crypto v0.2.2
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded ssb-multiformats v0.4.1
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1565f86afe07faa825810127e16237fac13dedbb5e01e538002922f027c8ae6e
[INFO] running `Command { std: "docker" "start" "-a" "1565f86afe07faa825810127e16237fac13dedbb5e01e538002922f027c8ae6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1565f86afe07faa825810127e16237fac13dedbb5e01e538002922f027c8ae6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1565f86afe07faa825810127e16237fac13dedbb5e01e538002922f027c8ae6e", kill_on_drop: false }`
[INFO] [stdout] 1565f86afe07faa825810127e16237fac13dedbb5e01e538002922f027c8ae6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deca4a052d826b1b8a2e359bf9d5eae14a5aff6a25c24bc351f8c6ea28c73414
[INFO] running `Command { std: "docker" "start" "-a" "deca4a052d826b1b8a2e359bf9d5eae14a5aff6a25c24bc351f8c6ea28c73414", kill_on_drop: false }`
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[INFO] [stderr]     Checking flumedb v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `forward` found for struct `Forward` in the current scope
[INFO] [stdout]    --> benches/bench.rs:111:34
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 let count = iter.forward().count();
[INFO] [stdout]     |                                  ^^^^^^^ method not found in `Forward<OffsetLogIter<u32>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `iter_at_offset` found for struct `flumedb::OffsetLog` in the current scope
[INFO] [stdout]    --> benches/bench.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |             || log.iter_at_offset(log.end()),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ method not found in `flumedb::OffsetLog<u32>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/iter_at_offset.rs:4:8
[INFO] [stdout]     |
[INFO] [stdout] 4   |     fn iter_at_offset(&self, offset: u64) -> I;
[INFO] [stdout]     |        -------------- the method is available for `flumedb::OffsetLog<u32>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 4   | use crate::flumedb::IterAtOffset;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `forward` found for struct `Forward` in the current scope
[INFO] [stdout]    --> benches/bench.rs:142:22
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     .forward()
[INFO] [stdout]     |                      ^^^^^^^ method not found in `Forward<OffsetLogIter<u32>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flumedb`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "deca4a052d826b1b8a2e359bf9d5eae14a5aff6a25c24bc351f8c6ea28c73414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deca4a052d826b1b8a2e359bf9d5eae14a5aff6a25c24bc351f8c6ea28c73414", kill_on_drop: false }`
[INFO] [stdout] deca4a052d826b1b8a2e359bf9d5eae14a5aff6a25c24bc351f8c6ea28c73414