[INFO] fetching crate sized-chunks 0.6.2...
[INFO] checking sized-chunks-0.6.2 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate sized-chunks 0.6.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate sized-chunks 0.6.2 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sized-chunks 0.6.2
[INFO] finished tweaking crates.io crate sized-chunks 0.6.2
[INFO] tweaked toml for crates.io crate sized-chunks 0.6.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded refpool v0.4.3
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded array-ops v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e7b7a3d3cf371234c721fbcd4f0beb1bd867028703d95bead2276eb72f42a92
[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" "7e7b7a3d3cf371234c721fbcd4f0beb1bd867028703d95bead2276eb72f42a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e7b7a3d3cf371234c721fbcd4f0beb1bd867028703d95bead2276eb72f42a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7b7a3d3cf371234c721fbcd4f0beb1bd867028703d95bead2276eb72f42a92", kill_on_drop: false }`
[INFO] [stdout] 7e7b7a3d3cf371234c721fbcd4f0beb1bd867028703d95bead2276eb72f42a92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0278c4d348f2795575db365d702ee3e905b33ab8214cd91929932ca7dd6ab8ff
[INFO] running `Command { std: "docker" "start" "-a" "0278c4d348f2795575db365d702ee3e905b33ab8214cd91929932ca7dd6ab8ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rayon v1.4.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking sized-chunks v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `refpool`
[INFO] [stdout]   --> benches/sized_chunk.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use refpool::{Pool, PoolDefault, PoolRef};
[INFO] [stdout]    |     ^^^^^^^ use of undeclared crate or module `refpool`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sized-chunks`
[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" "0278c4d348f2795575db365d702ee3e905b33ab8214cd91929932ca7dd6ab8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0278c4d348f2795575db365d702ee3e905b33ab8214cd91929932ca7dd6ab8ff", kill_on_drop: false }`
[INFO] [stdout] 0278c4d348f2795575db365d702ee3e905b33ab8214cd91929932ca7dd6ab8ff