[INFO] fetching crate ena 0.14.0...
[INFO] testing ena-0.14.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ena 0.14.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ena 0.14.0 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 ena 0.14.0
[INFO] finished tweaking crates.io crate ena 0.14.0
[INFO] tweaked toml for crates.io crate ena 0.14.0 written to /workspace/builds/worker-13/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dogged v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2f3954ce17e1f712bfe09018782e17726097242873df82a049a2d7a5febc4826
[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" "2f3954ce17e1f712bfe09018782e17726097242873df82a049a2d7a5febc4826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f3954ce17e1f712bfe09018782e17726097242873df82a049a2d7a5febc4826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3954ce17e1f712bfe09018782e17726097242873df82a049a2d7a5febc4826", kill_on_drop: false }`
[INFO] [stdout] 2f3954ce17e1f712bfe09018782e17726097242873df82a049a2d7a5febc4826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] d66f7d67b5de30067e84ba291de96f47692581e351c57e003dc081b7db5273ec
[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" "d66f7d67b5de30067e84ba291de96f47692581e351c57e003dc081b7db5273ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling ena v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "d66f7d67b5de30067e84ba291de96f47692581e351c57e003dc081b7db5273ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66f7d67b5de30067e84ba291de96f47692581e351c57e003dc081b7db5273ec", kill_on_drop: false }`
[INFO] [stdout] d66f7d67b5de30067e84ba291de96f47692581e351c57e003dc081b7db5273ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] b0a79f5b8600050f7b517f8cd976f3eba6614be52bd518041c81976f77f12585
[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" "b0a79f5b8600050f7b517f8cd976f3eba6614be52bd518041c81976f77f12585", kill_on_drop: false }`
[INFO] [stderr]    Compiling ena v0.14.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "b0a79f5b8600050f7b517f8cd976f3eba6614be52bd518041c81976f77f12585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a79f5b8600050f7b517f8cd976f3eba6614be52bd518041c81976f77f12585", kill_on_drop: false }`
[INFO] [stdout] b0a79f5b8600050f7b517f8cd976f3eba6614be52bd518041c81976f77f12585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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", kill_on_drop: false }`
[INFO] [stdout] 0bb4ea40403c1bf43e637ecbc428744904bb8a927bf2cf95d6c5bf6e1f94004f
[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" "0bb4ea40403c1bf43e637ecbc428744904bb8a927bf2cf95d6c5bf6e1f94004f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test snapshot_vec::basic ... ok
[INFO] [stdout] test unify::tests::basic ... ok
[INFO] [stdout] test unify::tests::clone_table ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ena-eb686bfc68fe4223
[INFO] [stdout] test snapshot_vec::nested_commit_then_rollback ... ok
[INFO] [stdout] test unify::tests::ordered_key_k1 ... ok
[INFO] [stdout] test unify::tests::even_odd ... ok
[INFO] [stdout] test unify::tests::ordered_key ... ok
[INFO] [stdout] test unify::tests::unify_vars_different_ints_1 ... ok
[INFO] [stdout] test unify::tests::unify_vars_then_int_indirect ... ok
[INFO] [stdout] test unify::tests::unify_vars_different_ints_2 ... ok
[INFO] [stdout] test unify::tests::unify_same_int_twice ... ok
[INFO] [stdout] test unify::tests::unify_distinct_ints_then_vars ... ok
[INFO] [stdout] test unify::tests::unify_root_value_1 ... ok
[INFO] [stdout] test unify::tests::unify_root_value_2 ... ok
[INFO] [stdout] test snapshot_vec::out_of_order ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/external_undo_log-4a7eb5396102c3bc
[INFO] [stdout] test unify::tests::big_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests ena
[INFO] [stdout] test external_undo_log ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bb4ea40403c1bf43e637ecbc428744904bb8a927bf2cf95d6c5bf6e1f94004f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb4ea40403c1bf43e637ecbc428744904bb8a927bf2cf95d6c5bf6e1f94004f", kill_on_drop: false }`
[INFO] [stdout] 0bb4ea40403c1bf43e637ecbc428744904bb8a927bf2cf95d6c5bf6e1f94004f