[INFO] fetching crate compressible-map 0.2.0...
[INFO] checking compressible-map-0.2.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate compressible-map 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate compressible-map 0.2.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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-2/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snap v1.0.3
[INFO] [stderr]   Downloaded lz4 v1.23.2
[INFO] [stderr]   Downloaded lz4-sys v1.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e820a395886dffa9558d88880e1fbe7c880b4fbb002a35ffdce9771bcde53ed
[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" "1e820a395886dffa9558d88880e1fbe7c880b4fbb002a35ffdce9771bcde53ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e820a395886dffa9558d88880e1fbe7c880b4fbb002a35ffdce9771bcde53ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e820a395886dffa9558d88880e1fbe7c880b4fbb002a35ffdce9771bcde53ed", kill_on_drop: false }`
[INFO] [stdout] 1e820a395886dffa9558d88880e1fbe7c880b4fbb002a35ffdce9771bcde53ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 194c11a00fff0bb7a1a21440c75382be5bf3c1c66f5027f88f412b23d6e5c60e
[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" "194c11a00fff0bb7a1a21440c75382be5bf3c1c66f5027f88f412b23d6e5c60e", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking 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]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde v1.0.117
[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] [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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "194c11a00fff0bb7a1a21440c75382be5bf3c1c66f5027f88f412b23d6e5c60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194c11a00fff0bb7a1a21440c75382be5bf3c1c66f5027f88f412b23d6e5c60e", kill_on_drop: false }`
[INFO] [stdout] 194c11a00fff0bb7a1a21440c75382be5bf3c1c66f5027f88f412b23d6e5c60e