[INFO] fetching crate tokio-serial 4.3.3...
[INFO] testing tokio-serial-4.3.3 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate tokio-serial 4.3.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tokio-serial 4.3.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-serial 4.3.3
[INFO] finished tweaking crates.io crate tokio-serial 4.3.3
[INFO] tweaked toml for crates.io crate tokio-serial 4.3.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate tokio-serial 4.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libudev v0.2.0
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded futures-executor v0.3.1
[INFO] [stderr]   Downloaded futures-util v0.3.1
[INFO] [stderr]   Downloaded futures v0.3.1
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] [stderr]   Downloaded futures-channel v0.3.1
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded futures-macro v0.3.1
[INFO] [stderr]   Downloaded futures-task v0.3.1
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded bytes v0.5.1
[INFO] [stderr]   Downloaded futures-sink v0.3.1
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded mio v0.6.20
[INFO] [stderr]   Downloaded pin-project-lite v0.1.1
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded tokio v0.2.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.0
[INFO] [stderr]   Downloaded mio-serial v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 2201e4637ad42c135a77594bf0f4fd7078dee1f954e40a3f3a521fc317b9dd48
[INFO] running `Command { std: "docker" "start" "-a" "2201e4637ad42c135a77594bf0f4fd7078dee1f954e40a3f3a521fc317b9dd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2201e4637ad42c135a77594bf0f4fd7078dee1f954e40a3f3a521fc317b9dd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2201e4637ad42c135a77594bf0f4fd7078dee1f954e40a3f3a521fc317b9dd48", kill_on_drop: false }`
[INFO] [stdout] 2201e4637ad42c135a77594bf0f4fd7078dee1f954e40a3f3a521fc317b9dd48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd337c8ffd28858e377dd026e9b8810a53a4b4c6c17c4d182ba3f41bb47a42b8
[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" "cd337c8ffd28858e377dd026e9b8810a53a4b4c6c17c4d182ba3f41bb47a42b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bytes v0.5.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling mio v0.6.20
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling mio-serial v3.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling tokio v0.2.0
[INFO] [stderr]    Compiling tokio-serial v4.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.61s
[INFO] running `Command { std: "docker" "inspect" "cd337c8ffd28858e377dd026e9b8810a53a4b4c6c17c4d182ba3f41bb47a42b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd337c8ffd28858e377dd026e9b8810a53a4b4c6c17c4d182ba3f41bb47a42b8", kill_on_drop: false }`
[INFO] [stdout] cd337c8ffd28858e377dd026e9b8810a53a4b4c6c17c4d182ba3f41bb47a42b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91e9d3b9f7d2ef652d24579cbcd1fe9292c0a0104498449e39ae268efd4e934b
[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" "91e9d3b9f7d2ef652d24579cbcd1fe9292c0a0104498449e39ae268efd4e934b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling tokio-serial v4.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.25s
[INFO] running `Command { std: "docker" "inspect" "91e9d3b9f7d2ef652d24579cbcd1fe9292c0a0104498449e39ae268efd4e934b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e9d3b9f7d2ef652d24579cbcd1fe9292c0a0104498449e39ae268efd4e934b", kill_on_drop: false }`
[INFO] [stdout] 91e9d3b9f7d2ef652d24579cbcd1fe9292c0a0104498449e39ae268efd4e934b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b44b6d5a48facf048cb4633977eb42f798e8661a6c73faf442df8d2a71d7cb81
[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" "b44b6d5a48facf048cb4633977eb42f798e8661a6c73faf442df8d2a71d7cb81", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio_serial-40b3f9e0f046cc77
[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]    Doc-tests tokio-serial
[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" "b44b6d5a48facf048cb4633977eb42f798e8661a6c73faf442df8d2a71d7cb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44b6d5a48facf048cb4633977eb42f798e8661a6c73faf442df8d2a71d7cb81", kill_on_drop: false }`
[INFO] [stdout] b44b6d5a48facf048cb4633977eb42f798e8661a6c73faf442df8d2a71d7cb81
