[INFO] fetching crate tiny_ecs 0.19.6...
[INFO] checking tiny_ecs-0.19.6 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate tiny_ecs 0.19.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tiny_ecs 0.19.6 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tiny_ecs 0.19.6
[INFO] finished tweaking crates.io crate tiny_ecs 0.19.6
[INFO] tweaked toml for crates.io crate tiny_ecs 0.19.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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] 9d69e940fe9a668d09bfbd337d91d8abc114f0fb3c520b790b23392f4720e309
[INFO] running `Command { std: "docker" "start" "-a" "9d69e940fe9a668d09bfbd337d91d8abc114f0fb3c520b790b23392f4720e309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d69e940fe9a668d09bfbd337d91d8abc114f0fb3c520b790b23392f4720e309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d69e940fe9a668d09bfbd337d91d8abc114f0fb3c520b790b23392f4720e309", kill_on_drop: false }`
[INFO] [stdout] 9d69e940fe9a668d09bfbd337d91d8abc114f0fb3c520b790b23392f4720e309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b1477af55abff3d04b5692b606af58ed24517cf5ae4a1d70b9cd4a4e93a0594
[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" "0b1477af55abff3d04b5692b606af58ed24517cf5ae4a1d70b9cd4a4e93a0594", kill_on_drop: false }`
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking persist-o-vec v0.3.1
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]     Checking tiny_ecs v0.19.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read benches/benchmarks.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiny_ecs`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0b1477af55abff3d04b5692b606af58ed24517cf5ae4a1d70b9cd4a4e93a0594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1477af55abff3d04b5692b606af58ed24517cf5ae4a1d70b9cd4a4e93a0594", kill_on_drop: false }`
[INFO] [stdout] 0b1477af55abff3d04b5692b606af58ed24517cf5ae4a1d70b9cd4a4e93a0594