[INFO] fetching crate ump 0.6.4...
[INFO] testing ump-0.6.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ump 0.6.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ump 0.6.4 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 ump 0.6.4
[INFO] finished tweaking crates.io crate ump 0.6.4
[INFO] tweaked toml for crates.io crate ump 0.6.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ump 0.6.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 97759c00c8840a63a934aace7224a1a8d063f3370a751f4843cc5ba57c53262a
[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" "97759c00c8840a63a934aace7224a1a8d063f3370a751f4843cc5ba57c53262a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97759c00c8840a63a934aace7224a1a8d063f3370a751f4843cc5ba57c53262a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97759c00c8840a63a934aace7224a1a8d063f3370a751f4843cc5ba57c53262a", kill_on_drop: false }`
[INFO] [stdout] 97759c00c8840a63a934aace7224a1a8d063f3370a751f4843cc5ba57c53262a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99708fac52d840a5e390579e70072324b8a6ce019a01bd90c87ebc3f03a6da00
[INFO] running `Command { std: "docker" "start" "-a" "99708fac52d840a5e390579e70072324b8a6ce019a01bd90c87ebc3f03a6da00", kill_on_drop: false }`
[INFO] [stderr]    Compiling sigq v0.9.1
[INFO] [stderr]    Compiling ump v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "99708fac52d840a5e390579e70072324b8a6ce019a01bd90c87ebc3f03a6da00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99708fac52d840a5e390579e70072324b8a6ce019a01bd90c87ebc3f03a6da00", kill_on_drop: false }`
[INFO] [stdout] 99708fac52d840a5e390579e70072324b8a6ce019a01bd90c87ebc3f03a6da00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6b96cfdc145e7a8f6426713854bc2a31df5c982cdb820e967a9dca44bac8117a
[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" "6b96cfdc145e7a8f6426713854bc2a31df5c982cdb820e967a9dca44bac8117a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling ump v0.6.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 53.46s
[INFO] running `Command { std: "docker" "inspect" "6b96cfdc145e7a8f6426713854bc2a31df5c982cdb820e967a9dca44bac8117a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b96cfdc145e7a8f6426713854bc2a31df5c982cdb820e967a9dca44bac8117a", kill_on_drop: false }`
[INFO] [stdout] 6b96cfdc145e7a8f6426713854bc2a31df5c982cdb820e967a9dca44bac8117a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 93661d6761158b66451d1a16df5a467e7586d386ffb77bad3e096bdd97f3ec4a
[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" "93661d6761158b66451d1a16df5a467e7586d386ffb77bad3e096bdd97f3ec4a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ump-0e57f3ecccafeb56
[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] [stderr]      Running /opt/rustwide/target/debug/deps/async_client-376871650d7afc61
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test async_client ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/noreply-232056bf8b3bcb3b
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sync_expect_noreply ... ok
[INFO] [stdout] test async_expect_noreply ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/queue_cleanup-e31c2dd55380df68
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sync_expect_server_death ... ok
[INFO] [stdout] test async_expect_server_death ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stress-277a08f93c347d7c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test one_at_a_time_threaded_handler ... ok
[INFO] [stdout] test one_at_a_time ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ump
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 37) ... 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" "93661d6761158b66451d1a16df5a467e7586d386ffb77bad3e096bdd97f3ec4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93661d6761158b66451d1a16df5a467e7586d386ffb77bad3e096bdd97f3ec4a", kill_on_drop: false }`
[INFO] [stdout] 93661d6761158b66451d1a16df5a467e7586d386ffb77bad3e096bdd97f3ec4a