[INFO] fetching crate lzzzz 0.7.2...
[INFO] checking lzzzz-0.7.2 against beta for pr-78714
[INFO] extracting crate lzzzz 0.7.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lzzzz 0.7.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lzzzz 0.7.2
[INFO] finished tweaking crates.io crate lzzzz 0.7.2
[INFO] tweaked toml for crates.io crate lzzzz 0.7.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e34773ac6b416d2a85c729847773e5ba30ff3db53d53db1515cfdadc63a0429
[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" "3e34773ac6b416d2a85c729847773e5ba30ff3db53d53db1515cfdadc63a0429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e34773ac6b416d2a85c729847773e5ba30ff3db53d53db1515cfdadc63a0429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e34773ac6b416d2a85c729847773e5ba30ff3db53d53db1515cfdadc63a0429", kill_on_drop: false }`
[INFO] [stdout] 3e34773ac6b416d2a85c729847773e5ba30ff3db53d53db1515cfdadc63a0429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b64e87ab0dace4a5cf8038531147b69fd994bd5ed7d98eb36c6746767fa5ff5b
[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" "b64e87ab0dace4a5cf8038531147b69fd994bd5ed7d98eb36c6746767fa5ff5b", kill_on_drop: false }`
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling lzzzz v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking globwalk v0.7.3
[INFO] [stderr]     Checking assert_fs v1.0.0
[INFO] [stdout] error: couldn't read benches/lzzzz.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lzzzz`
[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" "b64e87ab0dace4a5cf8038531147b69fd994bd5ed7d98eb36c6746767fa5ff5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64e87ab0dace4a5cf8038531147b69fd994bd5ed7d98eb36c6746767fa5ff5b", kill_on_drop: false }`
[INFO] [stdout] b64e87ab0dace4a5cf8038531147b69fd994bd5ed7d98eb36c6746767fa5ff5b