[INFO] crate better-future 0.0.0 is already in cache
[INFO] testing better-future-0.0.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate better-future 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate better-future 0.0.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate better-future 0.0.0
[INFO] finished tweaking crates.io crate better-future 0.0.0
[INFO] tweaked toml for crates.io crate better-future 0.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03f7b759724d6dc3757b488e5e0bd3b7b1882fb4cd5dab16fa7f630eb56cf527
[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" "03f7b759724d6dc3757b488e5e0bd3b7b1882fb4cd5dab16fa7f630eb56cf527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03f7b759724d6dc3757b488e5e0bd3b7b1882fb4cd5dab16fa7f630eb56cf527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f7b759724d6dc3757b488e5e0bd3b7b1882fb4cd5dab16fa7f630eb56cf527", kill_on_drop: false }`
[INFO] [stdout] 03f7b759724d6dc3757b488e5e0bd3b7b1882fb4cd5dab16fa7f630eb56cf527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f19a56ed8a4d3a1f3b17ec81c5f5610a1e5f337c9b87ff18b1bca9ee2a499bd
[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" "1f19a56ed8a4d3a1f3b17ec81c5f5610a1e5f337c9b87ff18b1bca9ee2a499bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling better-future v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "1f19a56ed8a4d3a1f3b17ec81c5f5610a1e5f337c9b87ff18b1bca9ee2a499bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f19a56ed8a4d3a1f3b17ec81c5f5610a1e5f337c9b87ff18b1bca9ee2a499bd", kill_on_drop: false }`
[INFO] [stdout] 1f19a56ed8a4d3a1f3b17ec81c5f5610a1e5f337c9b87ff18b1bca9ee2a499bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] f2a3b9ce4d9efd6ef990ade06a738f7d8845250910d9e684a47d29fb1b2dc7f9
[INFO] running `Command { std: "docker" "start" "-a" "f2a3b9ce4d9efd6ef990ade06a738f7d8845250910d9e684a47d29fb1b2dc7f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling better-future v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "f2a3b9ce4d9efd6ef990ade06a738f7d8845250910d9e684a47d29fb1b2dc7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a3b9ce4d9efd6ef990ade06a738f7d8845250910d9e684a47d29fb1b2dc7f9", kill_on_drop: false }`
[INFO] [stdout] f2a3b9ce4d9efd6ef990ade06a738f7d8845250910d9e684a47d29fb1b2dc7f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be92f0e3fd646ddc9bcd5702dc0bec16532b8446b5c4f2f3ec6f7d9a728d4ed6
[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" "be92f0e3fd646ddc9bcd5702dc0bec16532b8446b5c4f2f3ec6f7d9a728d4ed6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/better_future-93cbf368016c5e7c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests better-future
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be92f0e3fd646ddc9bcd5702dc0bec16532b8446b5c4f2f3ec6f7d9a728d4ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be92f0e3fd646ddc9bcd5702dc0bec16532b8446b5c4f2f3ec6f7d9a728d4ed6", kill_on_drop: false }`
[INFO] [stdout] be92f0e3fd646ddc9bcd5702dc0bec16532b8446b5c4f2f3ec6f7d9a728d4ed6