[INFO] fetching crate toio 0.1.4...
[INFO] testing toio-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate toio 0.1.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate toio 0.1.4 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 toio 0.1.4
[INFO] finished tweaking crates.io crate toio 0.1.4
[INFO] tweaked toml for crates.io crate toio 0.1.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate toio 0.1.4 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d9cc24a84a0b10cdd20cf0e8f8d3991f66df713bbd230032b095a532934b8189
[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" "d9cc24a84a0b10cdd20cf0e8f8d3991f66df713bbd230032b095a532934b8189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9cc24a84a0b10cdd20cf0e8f8d3991f66df713bbd230032b095a532934b8189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cc24a84a0b10cdd20cf0e8f8d3991f66df713bbd230032b095a532934b8189", kill_on_drop: false }`
[INFO] [stdout] d9cc24a84a0b10cdd20cf0e8f8d3991f66df713bbd230032b095a532934b8189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 408f28465c0ba67ab8856905b3355212602a0ed905c89d928de8864bc987e293
[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" "408f28465c0ba67ab8856905b3355212602a0ed905c89d928de8864bc987e293", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling hex-literal v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling async-trait v0.1.35
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.20
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling toio v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.98s
[INFO] running `Command { std: "docker" "inspect" "408f28465c0ba67ab8856905b3355212602a0ed905c89d928de8864bc987e293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408f28465c0ba67ab8856905b3355212602a0ed905c89d928de8864bc987e293", kill_on_drop: false }`
[INFO] [stdout] 408f28465c0ba67ab8856905b3355212602a0ed905c89d928de8864bc987e293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3ded9b0215626b4d7828003a8c92191ac9aa3e600909e1d37090f30520a12a4b
[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" "3ded9b0215626b4d7828003a8c92191ac9aa3e600909e1d37090f30520a12a4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling toio v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `toio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name multi --edition=2018 examples/multi.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=8fad39e9f8f5c534 -C extra-filename=-8fad39e9f8f5c534 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-dd02f1ca35e059b6.rlib --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-02051efd33fe5e1b.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c2d6a084219fa12b.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-d77937181e199e7f.rlib --extern derive_new=/opt/rustwide/target/debug/deps/libderive_new-8d23f1e1fd7076c9.so --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-7a1d624c296c2b7d.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-40460bb23c85d5d9.rlib --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-9c5689213d5f00a9.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-1761913616bdc5f1.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-a9a69fcfe31f211d.rlib --extern serde_repr=/opt/rustwide/target/debug/deps/libserde_repr-19860a7d11487cb0.so --extern toio=/opt/rustwide/target/debug/deps/libtoio-3e71c02334d6be99.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-8465477619a7cb82.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: signal: 9
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.light.4druy54w-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2" "/opt/rustwide/target/debug/examples/light-101c7dd638ebedb2.55mp2h0okj0df9oo.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libenv_logger-7a1d624c296c2b7d.rlib" "/opt/rustwide/target/debug/deps/libtermcolor-9cb8c404138a090a.rlib" "/opt/rustwide/target/debug/deps/libatty-2ab16646ef190ebc.rlib" "/opt/rustwide/target/debug/deps/libhumantime-a0805a6c6ee779f1.rlib" "/opt/rustwide/target/debug/deps/libquick_error-02525b70077f996f.rlib" "/opt/rustwide/target/debug/deps/libregex-95eefba5bcc48381.rlib" "/opt/rustwide/target/debug/deps/libthread_local-76e36b18ae5ab5a5.rlib" "/opt/rustwide/target/debug/deps/libregex_syntax-a9dd61adc4379188.rlib" "/opt/rustwide/target/debug/deps/libaho_corasick-60e11e3c8decf3d4.rlib" "/opt/rustwide/target/debug/deps/libtoio-3e71c02334d6be99.rlib" "/opt/rustwide/target/debug/deps/libhex_literal-9c5689213d5f00a9.rlib" "/opt/rustwide/target/debug/deps/libtokio-8465477619a7cb82.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook_registry-c83ebb5ba1419d79.rlib" "/opt/rustwide/target/debug/deps/libarc_swap-88970f2bad9a1cc6.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-5debcd4181b7d7e2.rlib" "/opt/rustwide/target/debug/deps/libfnv-751e5967119454f8.rlib" "/opt/rustwide/target/debug/deps/libmio_uds-8a3bc2ec131af9de.rlib" "/opt/rustwide/target/debug/deps/libmio-1c4eaee5045568a3.rlib" "/opt/rustwide/target/debug/deps/libiovec-d7e8c05e712117cd.rlib" "/opt/rustwide/target/debug/deps/libnet2-a5d2521b9595adc3.rlib" "/opt/rustwide/target/debug/deps/liblibc-a05f7562caa135ac.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/libbytes-c2d6a084219fa12b.rlib" "/opt/rustwide/target/debug/deps/libpin_project_lite-992c3165e37b3b8d.rlib" "/opt/rustwide/target/debug/deps/liblog-1761913616bdc5f1.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/libserde-a9a69fcfe31f211d.rlib" "/opt/rustwide/target/debug/deps/libfutures-40460bb23c85d5d9.rlib" "/opt/rustwide/target/debug/deps/libfutures_executor-d21f7ded50acfae6.rlib" "/opt/rustwide/target/debug/deps/libfutures_util-449bc1e2ab76a4c3.rlib" "/opt/rustwide/target/debug/deps/libmemchr-68751ffea57ec29e.rlib" "/opt/rustwide/target/debug/deps/libproc_macro_nested-3b590dad0b838ccd.rlib" "/opt/rustwide/target/debug/deps/libfutures_io-b4e92ff3aa5f1bcd.rlib" "/opt/rustwide/target/debug/deps/libslab-65742487a18009d6.rlib" "/opt/rustwide/target/debug/deps/libfutures_channel-0c7be77b73df7db9.rlib" "/opt/rustwide/target/debug/deps/libpin_project-f73b52379d2c5b64.rlib" "/opt/rustwide/target/debug/deps/libfutures_sink-66c8d8f95487b6b7.rlib" "/opt/rustwide/target/debug/deps/libfutures_task-79e2d9a469b1c35a.rlib" "/opt/rustwide/target/debug/deps/libonce_cell-20f0875a32f1c929.rlib" "/opt/rustwide/target/debug/deps/libpin_utils-1b5011892cb37eb5.rlib" "/opt/rustwide/target/debug/deps/libfutures_core-81f3bfe52e38863d.rlib" "/opt/rustwide/target/debug/deps/libanyhow-dd02f1ca35e059b6.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3ded9b0215626b4d7828003a8c92191ac9aa3e600909e1d37090f30520a12a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ded9b0215626b4d7828003a8c92191ac9aa3e600909e1d37090f30520a12a4b", kill_on_drop: false }`
[INFO] [stdout] 3ded9b0215626b4d7828003a8c92191ac9aa3e600909e1d37090f30520a12a4b