[INFO] fetching crate cope 0.0.1...
[INFO] testing cope-0.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate cope 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cope 0.0.1 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 cope 0.0.1
[INFO] finished tweaking crates.io crate cope 0.0.1
[INFO] tweaked toml for crates.io crate cope 0.0.1 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5158d2431bbae75a36555b8c2d0b42a07b232cb1ff54ff3f7c313339517449c3
[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" "5158d2431bbae75a36555b8c2d0b42a07b232cb1ff54ff3f7c313339517449c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5158d2431bbae75a36555b8c2d0b42a07b232cb1ff54ff3f7c313339517449c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5158d2431bbae75a36555b8c2d0b42a07b232cb1ff54ff3f7c313339517449c3", kill_on_drop: false }`
[INFO] [stdout] 5158d2431bbae75a36555b8c2d0b42a07b232cb1ff54ff3f7c313339517449c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 028a62443027fc7448c9118a194d97d2a6bb943d8a939e60cdd4063afa51de14
[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" "028a62443027fc7448c9118a194d97d2a6bb943d8a939e60cdd4063afa51de14", kill_on_drop: false }`
[INFO] [stderr]    Compiling cope v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "028a62443027fc7448c9118a194d97d2a6bb943d8a939e60cdd4063afa51de14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028a62443027fc7448c9118a194d97d2a6bb943d8a939e60cdd4063afa51de14", kill_on_drop: false }`
[INFO] [stdout] 028a62443027fc7448c9118a194d97d2a6bb943d8a939e60cdd4063afa51de14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 11ba40b7bb1aea6e709cb9479775b33b5ea4da0bccd462075451b651c714e8d0
[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" "11ba40b7bb1aea6e709cb9479775b33b5ea4da0bccd462075451b651c714e8d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cope v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "11ba40b7bb1aea6e709cb9479775b33b5ea4da0bccd462075451b651c714e8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ba40b7bb1aea6e709cb9479775b33b5ea4da0bccd462075451b651c714e8d0", kill_on_drop: false }`
[INFO] [stdout] 11ba40b7bb1aea6e709cb9479775b33b5ea4da0bccd462075451b651c714e8d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 70c67790de760ce2cdd80f67fbd40fb7652ebf4f5741917fc454b3d9f7a39dac
[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" "70c67790de760ce2cdd80f67fbd40fb7652ebf4f5741917fc454b3d9f7a39dac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cope-8e4c77c640cf202d
[INFO] [stdout] running 4 tests
[INFO] [stdout] test instance::atom::tests::get_initial_value ... ok
[INFO] [stdout] test instance::atom::tests::mutate ... ok
[INFO] [stdout] test instance::atom::tests::set ... ok
[INFO] [stdout] test instance::engine::tests::react_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cope
[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" "70c67790de760ce2cdd80f67fbd40fb7652ebf4f5741917fc454b3d9f7a39dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c67790de760ce2cdd80f67fbd40fb7652ebf4f5741917fc454b3d9f7a39dac", kill_on_drop: false }`
[INFO] [stdout] 70c67790de760ce2cdd80f67fbd40fb7652ebf4f5741917fc454b3d9f7a39dac