[INFO] fetching crate hamcrest2 0.3.0...
[INFO] testing hamcrest2-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate hamcrest2 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate hamcrest2 0.3.0 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 hamcrest2 0.3.0
[INFO] finished tweaking crates.io crate hamcrest2 0.3.0
[INFO] tweaked toml for crates.io crate hamcrest2 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3ec033aec493f84881f2e2a2d0a5609745f7d056c47a5a742d9f5cc7eaff407
[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" "e3ec033aec493f84881f2e2a2d0a5609745f7d056c47a5a742d9f5cc7eaff407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3ec033aec493f84881f2e2a2d0a5609745f7d056c47a5a742d9f5cc7eaff407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ec033aec493f84881f2e2a2d0a5609745f7d056c47a5a742d9f5cc7eaff407", kill_on_drop: false }`
[INFO] [stdout] e3ec033aec493f84881f2e2a2d0a5609745f7d056c47a5a742d9f5cc7eaff407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 352e36cc04b4a1c56b8f59f436280faa2bd348560b7bfe662d0c62d9eaa1bc6d
[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" "352e36cc04b4a1c56b8f59f436280faa2bd348560b7bfe662d0c62d9eaa1bc6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hamcrest2 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "352e36cc04b4a1c56b8f59f436280faa2bd348560b7bfe662d0c62d9eaa1bc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352e36cc04b4a1c56b8f59f436280faa2bd348560b7bfe662d0c62d9eaa1bc6d", kill_on_drop: false }`
[INFO] [stdout] 352e36cc04b4a1c56b8f59f436280faa2bd348560b7bfe662d0c62d9eaa1bc6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2efd2ef2b3755e71cee9b232be528e4656cf89d3950b8f7fbce651000a06c796
[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" "2efd2ef2b3755e71cee9b232be528e4656cf89d3950b8f7fbce651000a06c796", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hamcrest2 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `hamcrest2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name contains --edition=2018 tests/contains.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=3cbf4a2eba8c90d8 -C extra-filename=-3cbf4a2eba8c90d8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern hamcrest2=/opt/rustwide/target/debug/deps/libhamcrest2-4d73d133b4c052c1.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-2eeb915befceb491.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-88a1e75c7e2bfbce.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2efd2ef2b3755e71cee9b232be528e4656cf89d3950b8f7fbce651000a06c796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2efd2ef2b3755e71cee9b232be528e4656cf89d3950b8f7fbce651000a06c796", kill_on_drop: false }`
[INFO] [stdout] 2efd2ef2b3755e71cee9b232be528e4656cf89d3950b8f7fbce651000a06c796