[INFO] fetching crate compressible-map 0.2.0...
[INFO] checking compressible-map-0.2.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate compressible-map 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate compressible-map 0.2.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compressible-map 0.2.0
[INFO] finished tweaking crates.io crate compressible-map 0.2.0
[INFO] tweaked toml for crates.io crate compressible-map 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate compressible-map 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3641e67bd27dd400fe18f7e585b5a97cda4eaf98fa862ffcd11774b33e04fc00
[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" "3641e67bd27dd400fe18f7e585b5a97cda4eaf98fa862ffcd11774b33e04fc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3641e67bd27dd400fe18f7e585b5a97cda4eaf98fa862ffcd11774b33e04fc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3641e67bd27dd400fe18f7e585b5a97cda4eaf98fa862ffcd11774b33e04fc00", kill_on_drop: false }`
[INFO] [stdout] 3641e67bd27dd400fe18f7e585b5a97cda4eaf98fa862ffcd11774b33e04fc00
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08c60dc88c626a5bff59736097c3677438a667580c85d1b1017cfedc0475b483
[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" "08c60dc88c626a5bff59736097c3677438a667580c85d1b1017cfedc0475b483", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking compressible-map v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `compressible_map::BincodeCompression`, `compressible_map::Lz4`
[INFO] [stdout]  --> examples/single_threaded.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use compressible_map::{BincodeCompression, CompressibleMap, Lz4};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^                   ^^^ no `Lz4` in the root
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        no `BincodeCompression` in the root
[INFO] [stdout]   |                        help: a similar name exists in the module: `BytesCompression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `compressible_map::BincodeCompression`, `compressible_map::Lz4`
[INFO] [stdout]  --> examples/multi_threaded.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use compressible_map::{BincodeCompression, CompressibleMap, LocalCache, Lz4};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^                               ^^^ no `Lz4` in the root
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        no `BincodeCompression` in the root
[INFO] [stdout]   |                        help: a similar name exists in the module: `BytesCompression`
[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 `compressible-map`
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "08c60dc88c626a5bff59736097c3677438a667580c85d1b1017cfedc0475b483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c60dc88c626a5bff59736097c3677438a667580c85d1b1017cfedc0475b483", kill_on_drop: false }`
[INFO] [stdout] 08c60dc88c626a5bff59736097c3677438a667580c85d1b1017cfedc0475b483