[INFO] fetching crate async_smux 0.2.1...
[INFO] testing async_smux-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate async_smux 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate async_smux 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_smux 0.2.1
[INFO] finished tweaking crates.io crate async_smux 0.2.1
[INFO] tweaked toml for crates.io crate async_smux 0.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate async_smux 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-fs v1.5.0
[INFO] [stderr]   Downloaded polling v2.0.1
[INFO] [stderr]   Downloaded debugid v0.7.2
[INFO] [stderr]   Downloaded pprof v0.3.18
[INFO] [stderr]   Downloaded msvc-demangler v0.8.0
[INFO] [stderr]   Downloaded inferno v0.10.1
[INFO] [stderr]   Downloaded symbolic-demangle v7.5.0
[INFO] [stderr]   Downloaded quick-xml v0.19.0
[INFO] [stderr]   Downloaded cpp_demangle v0.3.1
[INFO] [stderr]   Downloaded symbolic-common v7.5.0
[INFO] [stderr]   Downloaded async-net v1.4.7
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded smol v1.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] e74a1a242a718ade307e6276fba89d7d1ec58cc5f67eec354745853f93d78c63
[INFO] running `Command { std: "docker" "start" "-a" "e74a1a242a718ade307e6276fba89d7d1ec58cc5f67eec354745853f93d78c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e74a1a242a718ade307e6276fba89d7d1ec58cc5f67eec354745853f93d78c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e74a1a242a718ade307e6276fba89d7d1ec58cc5f67eec354745853f93d78c63", kill_on_drop: false }`
[INFO] [stdout] e74a1a242a718ade307e6276fba89d7d1ec58cc5f67eec354745853f93d78c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eecd853dc58e997f3110066a65ceb6cf5f24eb9d22aee1d0f2bddabf45931ae4
[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" "eecd853dc58e997f3110066a65ceb6cf5f24eb9d22aee1d0f2bddabf45931ae4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-core v0.3.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling futures-io v0.3.6
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling futures-sink v0.3.6
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.10
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling futures-task v0.3.6
[INFO] [stderr]    Compiling futures-lite v1.11.1
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]    Compiling async_smux v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.15s
[INFO] running `Command { std: "docker" "inspect" "eecd853dc58e997f3110066a65ceb6cf5f24eb9d22aee1d0f2bddabf45931ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eecd853dc58e997f3110066a65ceb6cf5f24eb9d22aee1d0f2bddabf45931ae4", kill_on_drop: false }`
[INFO] [stdout] eecd853dc58e997f3110066a65ceb6cf5f24eb9d22aee1d0f2bddabf45931ae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92cb16c3470a1ad44ead266b6d0f10fa27ab3f779e3f9ea1477facdbd7506323
[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" "92cb16c3470a1ad44ead266b6d0f10fa27ab3f779e3f9ea1477facdbd7506323", 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] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling async-task v4.0.2
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling pprof v0.3.18
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.1
[INFO] [stderr]    Compiling rgb v0.8.25
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quick-xml v0.19.0
[INFO] [stderr]    Compiling polling v2.0.1
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling msvc-demangler v0.8.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling debugid v0.7.2
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.3.0
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling backtrace v0.3.54
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling async-io v1.1.10
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling async-global-executor v1.3.0
[INFO] [stderr]    Compiling async-net v1.4.7
[INFO] [stderr]    Compiling async-process v1.0.1
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling symbolic-demangle v7.5.0
[INFO] [stderr]    Compiling async-std v1.6.5
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling const-random v0.1.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling smol v1.2.4
[INFO] [stderr]    Compiling ahash v0.4.6
[INFO] [stderr]    Compiling inferno v0.10.1
[INFO] [stderr]    Compiling env_logger v0.8.1
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling symbolic-common v7.5.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling async_smux v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 39s
[INFO] running `Command { std: "docker" "inspect" "92cb16c3470a1ad44ead266b6d0f10fa27ab3f779e3f9ea1477facdbd7506323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cb16c3470a1ad44ead266b6d0f10fa27ab3f779e3f9ea1477facdbd7506323", kill_on_drop: false }`
[INFO] [stdout] 92cb16c3470a1ad44ead266b6d0f10fa27ab3f779e3f9ea1477facdbd7506323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-01-01" "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] ca69f19f6c0f72d949a056b44f78bc2f829455e116c3a9a72841f7f86af772f5
[INFO] running `Command { std: "docker" "start" "-a" "ca69f19f6c0f72d949a056b44f78bc2f829455e116c3a9a72841f7f86af772f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_smux-f71e92e5060eee79
[INFO] [stdout] running 5 tests
[INFO] [stdout] test mux::test::clean ... ok
[INFO] [stdout] test mux::test::close ... ok
[INFO] [stdout] test mux::test::connect_accept ... ok
[INFO] [stdout] test mux::test::concurrent_connect_accept ... ok
[INFO] [stderr]    Doc-tests async_smux
[INFO] [stdout] test mux::test::huge_payload ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca69f19f6c0f72d949a056b44f78bc2f829455e116c3a9a72841f7f86af772f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca69f19f6c0f72d949a056b44f78bc2f829455e116c3a9a72841f7f86af772f5", kill_on_drop: false }`
[INFO] [stdout] ca69f19f6c0f72d949a056b44f78bc2f829455e116c3a9a72841f7f86af772f5