[INFO] fetching crate ensure 0.3.1...
[INFO] testing ensure-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ensure 0.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ensure 0.3.1 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 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-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 99b6712cd1e9eb67a494ed52b0c411fce1d6a5ad8ce4a27a0773a28f92deb709
[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" "99b6712cd1e9eb67a494ed52b0c411fce1d6a5ad8ce4a27a0773a28f92deb709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99b6712cd1e9eb67a494ed52b0c411fce1d6a5ad8ce4a27a0773a28f92deb709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b6712cd1e9eb67a494ed52b0c411fce1d6a5ad8ce4a27a0773a28f92deb709", kill_on_drop: false }`
[INFO] [stdout] 99b6712cd1e9eb67a494ed52b0c411fce1d6a5ad8ce4a27a0773a28f92deb709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 3a191e18d13ea8e684a7a23dd1e333e4a355b84c4d46b7ca8861fea299c6e3d8
[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" "3a191e18d13ea8e684a7a23dd1e333e4a355b84c4d46b7ca8861fea299c6e3d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensure v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "3a191e18d13ea8e684a7a23dd1e333e4a355b84c4d46b7ca8861fea299c6e3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a191e18d13ea8e684a7a23dd1e333e4a355b84c4d46b7ca8861fea299c6e3d8", kill_on_drop: false }`
[INFO] [stdout] 3a191e18d13ea8e684a7a23dd1e333e4a355b84c4d46b7ca8861fea299c6e3d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] e2957658fa5b92c01151462d046e99479edb0f26c3cca26f0ff7137a075d8e1b
[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" "e2957658fa5b92c01151462d046e99479edb0f26c3cca26f0ff7137a075d8e1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensure v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "e2957658fa5b92c01151462d046e99479edb0f26c3cca26f0ff7137a075d8e1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2957658fa5b92c01151462d046e99479edb0f26c3cca26f0ff7137a075d8e1b", kill_on_drop: false }`
[INFO] [stdout] e2957658fa5b92c01151462d046e99479edb0f26c3cca26f0ff7137a075d8e1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 517cd4c266d78ca242bfabd1f9461d9ba9388680176e4d5607f56cd7ea0c3e57
[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" "517cd4c266d78ca242bfabd1f9461d9ba9388680176e4d5607f56cd7ea0c3e57", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ensure-3d77a331c8a4fc89
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_closure ... ok
[INFO] [stdout] test test::test_existential ... 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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ensure
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "517cd4c266d78ca242bfabd1f9461d9ba9388680176e4d5607f56cd7ea0c3e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517cd4c266d78ca242bfabd1f9461d9ba9388680176e4d5607f56cd7ea0c3e57", kill_on_drop: false }`
[INFO] [stdout] 517cd4c266d78ca242bfabd1f9461d9ba9388680176e4d5607f56cd7ea0c3e57