[INFO] crate buf-ref-reader 0.3.0 is already in cache
[INFO] testing buf-ref-reader-0.3.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate buf-ref-reader 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate buf-ref-reader 0.3.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate buf-ref-reader 0.3.0
[INFO] finished tweaking crates.io crate buf-ref-reader 0.3.0
[INFO] tweaked toml for crates.io crate buf-ref-reader 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 150afe5d1d659bacc7da4a0254bf86cf1e714fbca8e26866130c7c64ebab2c72
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "150afe5d1d659bacc7da4a0254bf86cf1e714fbca8e26866130c7c64ebab2c72"`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling copy_in_place v0.2.1
[INFO] [stderr]    Compiling slice-deque v0.1.16
[INFO] [stderr]    Compiling buf-ref-reader v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "150afe5d1d659bacc7da4a0254bf86cf1e714fbca8e26866130c7c64ebab2c72"`
[INFO] running `"docker" "rm" "-f" "150afe5d1d659bacc7da4a0254bf86cf1e714fbca8e26866130c7c64ebab2c72"`
[INFO] [stdout] 150afe5d1d659bacc7da4a0254bf86cf1e714fbca8e26866130c7c64ebab2c72
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] c5197156341bf36581d4e81ef46b26af619171bbd9caf07ff5e7fb998a863089
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c5197156341bf36581d4e81ef46b26af619171bbd9caf07ff5e7fb998a863089"`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling buf-ref-reader v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: couldn't read /usr/share/dict/words: No such file or directory (os error 2)
[INFO] [stderr]    --> src/lib.rs:246:31
[INFO] [stderr]     |
[INFO] [stderr] 246 | static WORDS: &'static [u8] = include_bytes!("/usr/share/dict/words");
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `buf-ref-reader`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c5197156341bf36581d4e81ef46b26af619171bbd9caf07ff5e7fb998a863089"`
[INFO] running `"docker" "rm" "-f" "c5197156341bf36581d4e81ef46b26af619171bbd9caf07ff5e7fb998a863089"`
[INFO] [stdout] c5197156341bf36581d4e81ef46b26af619171bbd9caf07ff5e7fb998a863089