[INFO] fetching crate lookupunicode 0.1.0...
[INFO] testing lookupunicode-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate lookupunicode 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lookupunicode 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lookupunicode 0.1.0
[INFO] finished tweaking crates.io crate lookupunicode 0.1.0
[INFO] tweaked toml for crates.io crate lookupunicode 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate lookupunicode 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unindent v0.1.6
[INFO] [stderr]   Downloaded indoc v1.0.2
[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" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa43953622bd3b9a35a8dbff761a83b44b81f19478c612a7013051b6d462238a
[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" "aa43953622bd3b9a35a8dbff761a83b44b81f19478c612a7013051b6d462238a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa43953622bd3b9a35a8dbff761a83b44b81f19478c612a7013051b6d462238a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa43953622bd3b9a35a8dbff761a83b44b81f19478c612a7013051b6d462238a", kill_on_drop: false }`
[INFO] [stdout] aa43953622bd3b9a35a8dbff761a83b44b81f19478c612a7013051b6d462238a
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 746eab2a341d63f9649c271c3a0208403af147d61195aa64a18841374201339e
[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" "746eab2a341d63f9649c271c3a0208403af147d61195aa64a18841374201339e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling indoc v1.0.2
[INFO] [stderr]    Compiling lookupunicode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `lookupunicode v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lookupunicode-e07dee402910da77/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "746eab2a341d63f9649c271c3a0208403af147d61195aa64a18841374201339e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746eab2a341d63f9649c271c3a0208403af147d61195aa64a18841374201339e", kill_on_drop: false }`
[INFO] [stdout] 746eab2a341d63f9649c271c3a0208403af147d61195aa64a18841374201339e