[INFO] fetching crate flumedb 0.1.5...
[INFO] checking flumedb-0.1.5 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate flumedb 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate flumedb 0.1.5 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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 buffered_offset_reader v0.6.0
[INFO] [stderr]   Downloaded ssb-multiformats v0.4.2
[INFO] [stderr]   Downloaded bidir_iter v0.2.1
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.6.0
[INFO] [stderr]   Downloaded ssb-crypto v0.2.3
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66c61052880b83ee4fec46916385b74541031086213f5cc6425ec55f213134f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66c61052880b83ee4fec46916385b74541031086213f5cc6425ec55f213134f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66c61052880b83ee4fec46916385b74541031086213f5cc6425ec55f213134f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c61052880b83ee4fec46916385b74541031086213f5cc6425ec55f213134f6", kill_on_drop: false }`
[INFO] [stdout] 66c61052880b83ee4fec46916385b74541031086213f5cc6425ec55f213134f6
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 231c7783de6c7c035f18d3c73d762d6f862bb53e1f29f4cf5eacb0fa88be1e00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "231c7783de6c7c035f18d3c73d762d6f862bb53e1f29f4cf5eacb0fa88be1e00", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking buffered_offset_reader v0.6.0
[INFO] [stderr]     Checking bidir_iter v0.2.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking xsalsa20poly1305 v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ssb-crypto v0.2.3
[INFO] [stderr]     Checking ssb-multiformats v0.4.2
[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` due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "231c7783de6c7c035f18d3c73d762d6f862bb53e1f29f4cf5eacb0fa88be1e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231c7783de6c7c035f18d3c73d762d6f862bb53e1f29f4cf5eacb0fa88be1e00", kill_on_drop: false }`
[INFO] [stdout] 231c7783de6c7c035f18d3c73d762d6f862bb53e1f29f4cf5eacb0fa88be1e00
