[INFO] fetching crate zk-4lw 0.1.0...
[INFO] testing zk-4lw-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate zk-4lw 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate zk-4lw 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zk-4lw 0.1.0
[INFO] finished tweaking crates.io crate zk-4lw 0.1.0
[INFO] tweaked toml for crates.io crate zk-4lw 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "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] c82666c3b7471b67ebdaec8c5adfa415c5195db9b66291db19eb4e9d1742f5c1
[INFO] running `Command { std: "docker" "start" "-a" "c82666c3b7471b67ebdaec8c5adfa415c5195db9b66291db19eb4e9d1742f5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c82666c3b7471b67ebdaec8c5adfa415c5195db9b66291db19eb4e9d1742f5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82666c3b7471b67ebdaec8c5adfa415c5195db9b66291db19eb4e9d1742f5c1", kill_on_drop: false }`
[INFO] [stdout] c82666c3b7471b67ebdaec8c5adfa415c5195db9b66291db19eb4e9d1742f5c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de11f7b8ddd19cc59b1c2934f1f5a146cdfc97807284b0ccdf30c41e0aba02d1
[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" "de11f7b8ddd19cc59b1c2934f1f5a146cdfc97807284b0ccdf30c41e0aba02d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling zk-4lw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `Command { std: "docker" "inspect" "de11f7b8ddd19cc59b1c2934f1f5a146cdfc97807284b0ccdf30c41e0aba02d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de11f7b8ddd19cc59b1c2934f1f5a146cdfc97807284b0ccdf30c41e0aba02d1", kill_on_drop: false }`
[INFO] [stdout] de11f7b8ddd19cc59b1c2934f1f5a146cdfc97807284b0ccdf30c41e0aba02d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 411693ad9c84d8c8709874a1ff57b5ac0003643c8df6f718f83ef7855786075f
[INFO] running `Command { std: "docker" "start" "-a" "411693ad9c84d8c8709874a1ff57b5ac0003643c8df6f718f83ef7855786075f", kill_on_drop: false }`
[INFO] [stderr]    Compiling zk-4lw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "411693ad9c84d8c8709874a1ff57b5ac0003643c8df6f718f83ef7855786075f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411693ad9c84d8c8709874a1ff57b5ac0003643c8df6f718f83ef7855786075f", kill_on_drop: false }`
[INFO] [stdout] 411693ad9c84d8c8709874a1ff57b5ac0003643c8df6f718f83ef7855786075f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c954ffb239b6f3f05ec09b62d74d3b431711068abf1ac37be2bf45beb5c9a9b9
[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" "c954ffb239b6f3f05ec09b62d74d3b431711068abf1ac37be2bf45beb5c9a9b9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zk_4lw-e51e869eb4a5233a
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-e67be31c407f0652
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse_mntr_response ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zk-4lw
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c954ffb239b6f3f05ec09b62d74d3b431711068abf1ac37be2bf45beb5c9a9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c954ffb239b6f3f05ec09b62d74d3b431711068abf1ac37be2bf45beb5c9a9b9", kill_on_drop: false }`
[INFO] [stdout] c954ffb239b6f3f05ec09b62d74d3b431711068abf1ac37be2bf45beb5c9a9b9