[INFO] fetching crate ensure 0.3.1...
[INFO] testing ensure-0.3.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ensure 0.3.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ensure 0.3.1 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 ensure 0.3.1
[INFO] finished tweaking crates.io crate ensure 0.3.1
[INFO] tweaked toml for crates.io crate ensure 0.3.1 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] ada75d2d47dce75db103413ce278c17fba55e4842a17f9e30d59216695205703
[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" "ada75d2d47dce75db103413ce278c17fba55e4842a17f9e30d59216695205703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada75d2d47dce75db103413ce278c17fba55e4842a17f9e30d59216695205703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada75d2d47dce75db103413ce278c17fba55e4842a17f9e30d59216695205703", kill_on_drop: false }`
[INFO] [stdout] ada75d2d47dce75db103413ce278c17fba55e4842a17f9e30d59216695205703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 2fe645db31218052fb57ae1df703d051ea85da07a102aa1d07a109d78c20bf28
[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" "2fe645db31218052fb57ae1df703d051ea85da07a102aa1d07a109d78c20bf28", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensure v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "2fe645db31218052fb57ae1df703d051ea85da07a102aa1d07a109d78c20bf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe645db31218052fb57ae1df703d051ea85da07a102aa1d07a109d78c20bf28", kill_on_drop: false }`
[INFO] [stdout] 2fe645db31218052fb57ae1df703d051ea85da07a102aa1d07a109d78c20bf28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] bc0230c00291f3f41e9f68e19926b87c0e769235e9fc330911b66ed0a3ded11c
[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" "bc0230c00291f3f41e9f68e19926b87c0e769235e9fc330911b66ed0a3ded11c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensure v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "bc0230c00291f3f41e9f68e19926b87c0e769235e9fc330911b66ed0a3ded11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0230c00291f3f41e9f68e19926b87c0e769235e9fc330911b66ed0a3ded11c", kill_on_drop: false }`
[INFO] [stdout] bc0230c00291f3f41e9f68e19926b87c0e769235e9fc330911b66ed0a3ded11c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8bf963fc585bf89b95d12f91cd3c1898b1008e75a706d942fd15e1a87c89ab4d
[INFO] running `Command { std: "docker" "start" "-a" "8bf963fc585bf89b95d12f91cd3c1898b1008e75a706d942fd15e1a87c89ab4d", 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/ensure-6903be7e35a969b2
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests ensure
[INFO] [stdout] test test::test_existential ... ok
[INFO] [stdout] test test::test_closure ... ok
[INFO] [stdout] test test::test_ensure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bf963fc585bf89b95d12f91cd3c1898b1008e75a706d942fd15e1a87c89ab4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf963fc585bf89b95d12f91cd3c1898b1008e75a706d942fd15e1a87c89ab4d", kill_on_drop: false }`
[INFO] [stdout] 8bf963fc585bf89b95d12f91cd3c1898b1008e75a706d942fd15e1a87c89ab4d