[INFO] fetching crate promiser 0.0.5...
[INFO] testing promiser-0.0.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate promiser 0.0.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate promiser 0.0.5 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 promiser 0.0.5
[INFO] finished tweaking crates.io crate promiser 0.0.5
[INFO] tweaked toml for crates.io crate promiser 0.0.5 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 547692af1f20fb14c487477e2be01902cdbe94c41429970283323776cb28c04b
[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" "547692af1f20fb14c487477e2be01902cdbe94c41429970283323776cb28c04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "547692af1f20fb14c487477e2be01902cdbe94c41429970283323776cb28c04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547692af1f20fb14c487477e2be01902cdbe94c41429970283323776cb28c04b", kill_on_drop: false }`
[INFO] [stdout] 547692af1f20fb14c487477e2be01902cdbe94c41429970283323776cb28c04b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 95b604e3cd975bee69a26be1d3f0ae0ff5d334447007d39fe86874d35e5a7899
[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" "95b604e3cd975bee69a26be1d3f0ae0ff5d334447007d39fe86874d35e5a7899", kill_on_drop: false }`
[INFO] [stderr]    Compiling promiser v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "95b604e3cd975bee69a26be1d3f0ae0ff5d334447007d39fe86874d35e5a7899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b604e3cd975bee69a26be1d3f0ae0ff5d334447007d39fe86874d35e5a7899", kill_on_drop: false }`
[INFO] [stdout] 95b604e3cd975bee69a26be1d3f0ae0ff5d334447007d39fe86874d35e5a7899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 59178dcecb97dd46db985e03f04ba16ba432fedd7263de4d8ffd66135eac425d
[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" "59178dcecb97dd46db985e03f04ba16ba432fedd7263de4d8ffd66135eac425d", kill_on_drop: false }`
[INFO] [stderr]    Compiling promiser v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "59178dcecb97dd46db985e03f04ba16ba432fedd7263de4d8ffd66135eac425d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59178dcecb97dd46db985e03f04ba16ba432fedd7263de4d8ffd66135eac425d", kill_on_drop: false }`
[INFO] [stdout] 59178dcecb97dd46db985e03f04ba16ba432fedd7263de4d8ffd66135eac425d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 26c9333eb544c53aacdd1744922b1f4db9e198daf4e8a6d079321f3abb105f26
[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" "26c9333eb544c53aacdd1744922b1f4db9e198daf4e8a6d079321f3abb105f26", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/promiser-15472fa3796bf79c
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test latch::tests::test_latch ... ok
[INFO] [stdout] test promise::tests::test_promise_linear ... ok
[INFO] [stdout] test promise::tests::test_promise_threaded_panic_safely2 ... ok
[INFO] [stdout] test promise::tests::test_promise_threaded ... ok
[INFO] [stdout] test promise::tests::test_promise_threaded_panic_safely ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests promiser
[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" "26c9333eb544c53aacdd1744922b1f4db9e198daf4e8a6d079321f3abb105f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c9333eb544c53aacdd1744922b1f4db9e198daf4e8a6d079321f3abb105f26", kill_on_drop: false }`
[INFO] [stdout] 26c9333eb544c53aacdd1744922b1f4db9e198daf4e8a6d079321f3abb105f26