[INFO] fetching crate compressible-map 0.2.0...
[INFO] checking compressible-map-0.2.0 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[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 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lz4-sys v1.9.2
[INFO] [stderr]   Downloaded lz4 v1.23.2
[INFO] [stderr]   Downloaded snap v1.0.3
[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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", 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] f7eebf6f6ec1e6212fdc3dd1c7fc8114e41f4467af011288556f553e219e50be
[INFO] running `Command { std: "docker" "start" "-a" "f7eebf6f6ec1e6212fdc3dd1c7fc8114e41f4467af011288556f553e219e50be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7eebf6f6ec1e6212fdc3dd1c7fc8114e41f4467af011288556f553e219e50be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7eebf6f6ec1e6212fdc3dd1c7fc8114e41f4467af011288556f553e219e50be", kill_on_drop: false }`
[INFO] [stdout] f7eebf6f6ec1e6212fdc3dd1c7fc8114e41f4467af011288556f553e219e50be
[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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b587b122a29933780f724205b14e855b1438faae3adc6b38a3e199c95468e3b
[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" "7b587b122a29933780f724205b14e855b1438faae3adc6b38a3e199c95468e3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[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]    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] [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" "7b587b122a29933780f724205b14e855b1438faae3adc6b38a3e199c95468e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b587b122a29933780f724205b14e855b1438faae3adc6b38a3e199c95468e3b", kill_on_drop: false }`
[INFO] [stdout] 7b587b122a29933780f724205b14e855b1438faae3adc6b38a3e199c95468e3b