[INFO] fetching crate bplustree 0.1.0...
[INFO] checking bplustree-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate bplustree 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bplustree 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bplustree 0.1.0
[INFO] finished tweaking crates.io crate bplustree 0.1.0
[INFO] tweaked toml for crates.io crate bplustree 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c976c1a0c7ade79e9d01312a389c1f94c0b5c4dd773e96b6d182d708bedbf550
[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" "c976c1a0c7ade79e9d01312a389c1f94c0b5c4dd773e96b6d182d708bedbf550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c976c1a0c7ade79e9d01312a389c1f94c0b5c4dd773e96b6d182d708bedbf550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c976c1a0c7ade79e9d01312a389c1f94c0b5c4dd773e96b6d182d708bedbf550", kill_on_drop: false }`
[INFO] [stdout] c976c1a0c7ade79e9d01312a389c1f94c0b5c4dd773e96b6d182d708bedbf550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b452ae52291e6d3191dfdc725b5a14f482f8af400addcb32454961632c78a6
[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" "10b452ae52291e6d3191dfdc725b5a14f482f8af400addcb32454961632c78a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking bplustree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stdout] error[E0583]: file not found for module `bench`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub mod bench;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `bench`, create file "src/bench.rs" or "src/bench/mod.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bplustree` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "10b452ae52291e6d3191dfdc725b5a14f482f8af400addcb32454961632c78a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b452ae52291e6d3191dfdc725b5a14f482f8af400addcb32454961632c78a6", kill_on_drop: false }`
[INFO] [stdout] 10b452ae52291e6d3191dfdc725b5a14f482f8af400addcb32454961632c78a6