[INFO] fetching crate futures-macro-await-preview 0.2.2...
[INFO] testing futures-macro-await-preview-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate futures-macro-await-preview 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate futures-macro-await-preview 0.2.2 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 futures-macro-await-preview 0.2.2
[INFO] finished tweaking crates.io crate futures-macro-await-preview 0.2.2
[INFO] tweaked toml for crates.io crate futures-macro-await-preview 0.2.2 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff756921acbccfab2da539e663202ee15d0bd1792c7f1bcc04267d9b752d4084
[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" "ff756921acbccfab2da539e663202ee15d0bd1792c7f1bcc04267d9b752d4084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff756921acbccfab2da539e663202ee15d0bd1792c7f1bcc04267d9b752d4084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff756921acbccfab2da539e663202ee15d0bd1792c7f1bcc04267d9b752d4084", kill_on_drop: false }`
[INFO] [stdout] ff756921acbccfab2da539e663202ee15d0bd1792c7f1bcc04267d9b752d4084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19c60777daf2193b54bc01dcd6d723817d202736af75f6fb15f21dfba28890f3
[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" "19c60777daf2193b54bc01dcd6d723817d202736af75f6fb15f21dfba28890f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro-await-preview v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "19c60777daf2193b54bc01dcd6d723817d202736af75f6fb15f21dfba28890f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c60777daf2193b54bc01dcd6d723817d202736af75f6fb15f21dfba28890f3", kill_on_drop: false }`
[INFO] [stdout] 19c60777daf2193b54bc01dcd6d723817d202736af75f6fb15f21dfba28890f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c5cc93e8f1b688d980b94f348b5f9d3f78194297dcf2b7541a45586c53323e
[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" "e2c5cc93e8f1b688d980b94f348b5f9d3f78194297dcf2b7541a45586c53323e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro-await-preview v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "e2c5cc93e8f1b688d980b94f348b5f9d3f78194297dcf2b7541a45586c53323e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c5cc93e8f1b688d980b94f348b5f9d3f78194297dcf2b7541a45586c53323e", kill_on_drop: false }`
[INFO] [stdout] e2c5cc93e8f1b688d980b94f348b5f9d3f78194297dcf2b7541a45586c53323e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3106f75358801d789ba3f89461159f979bf855e0d817be92016da450bb103172
[INFO] running `Command { std: "docker" "start" "-a" "3106f75358801d789ba3f89461159f979bf855e0d817be92016da450bb103172", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_macro_await-73d9426592ebeb06
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures_macro_await
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - await (line 17) ... ignored
[INFO] [stdout] test src/lib.rs - await_item (line 78) ... ignored
[INFO] [stdout] test src/lib.rs - stream_yield (line 127) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3106f75358801d789ba3f89461159f979bf855e0d817be92016da450bb103172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3106f75358801d789ba3f89461159f979bf855e0d817be92016da450bb103172", kill_on_drop: false }`
[INFO] [stdout] 3106f75358801d789ba3f89461159f979bf855e0d817be92016da450bb103172