[INFO] updating cached repository https://github.com/sabahtalateh/hello_async [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cedd7306a8da53fcd0028f9ab8c98329d5003219 [INFO] testing sabahtalateh/hello_async against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Fhello_async" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sabahtalateh/hello_async on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sabahtalateh/hello_async [INFO] finished tweaking git repo https://github.com/sabahtalateh/hello_async [INFO] tweaked toml for git repo https://github.com/sabahtalateh/hello_async written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/sabahtalateh/hello_async already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4232c02200e287c7ecb357cfc5da01e678b7ef026f9b2f33309aff8009f287d2 [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" "4232c02200e287c7ecb357cfc5da01e678b7ef026f9b2f33309aff8009f287d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4232c02200e287c7ecb357cfc5da01e678b7ef026f9b2f33309aff8009f287d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4232c02200e287c7ecb357cfc5da01e678b7ef026f9b2f33309aff8009f287d2", kill_on_drop: false }` [INFO] [stdout] 4232c02200e287c7ecb357cfc5da01e678b7ef026f9b2f33309aff8009f287d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4531646d7521cd6b83c923504e6faf0bc14f8b233601dd2b3f3656c20d17187 [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" "e4531646d7521cd6b83c923504e6faf0bc14f8b233601dd2b3f3656c20d17187", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling hello_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/bin/mutex.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/tokio_io_read8.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | let mut buf = vec![0; 8]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `future` [INFO] [stdout] --> src/bin/tokio_ping_pong_2.rs:46:15 [INFO] [stdout] | [INFO] [stdout] 46 | use futures::{future, Future, Sink, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0023]: this pattern has 3 fields, but the corresponding tuple variant has 1 field [INFO] [stdout] --> src/bin/tokio_echo.rs:33:21 [INFO] [stdout] | [INFO] [stdout] 33 | Ok(amount, _, _) => println!("wrote {} bytes", amount), [INFO] [stdout] | ^^^^^^^^^^^^^^^^ expected 1 field, found 3 [INFO] [stdout] | [INFO] [stdout] help: missing parenthesis [INFO] [stdout] | [INFO] [stdout] 33 | Ok((amount, _, _)) => println!("wrote {} bytes", amount), [INFO] [stdout] | ^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0023`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_async`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `yielded` [INFO] [stdout] --> src/bin/tokio_stream_fib.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | let yielded = curr; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yielded` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bin/tokio_spawn_cout_bytes_read.rs:88:57 [INFO] [stdout] | [INFO] [stdout] 88 | ... tx.send(buf.len()).map_err(|e| io::ErrorKind::Other.into()) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/bin/tokio_functional.rs:72:61 [INFO] [stdout] | [INFO] [stdout] 72 | fn with_future>(f: F) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/tokio_functional.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | / get_data().and_then(|data| { [INFO] [stdout] 17 | | dst.push(data); [INFO] [stdout] 18 | | Ok(()) [INFO] [stdout] 19 | | }); [INFO] [stdout] | |___________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [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/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.tokio_stream_fib.67fzmbda-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52" "/opt/rustwide/target/debug/deps/tokio_stream_fib-fdf52df850d69c52.21coh0y89jquk02w.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtokio-1a8d48eda0745736.rlib" "/opt/rustwide/target/debug/deps/libtokio_uds-df2685c0dadbbee6.rlib" "/opt/rustwide/target/debug/deps/libmio_uds-c04d21ae70a2ea6a.rlib" "/opt/rustwide/target/debug/deps/libtokio_udp-e6c6d93d63efa8e3.rlib" "/opt/rustwide/target/debug/deps/libtokio_timer-105299734aeb1359.rlib" "/opt/rustwide/target/debug/deps/libtokio_tcp-5595bc56f610d34d.rlib" "/opt/rustwide/target/debug/deps/libtokio_reactor-c2435dcfe3ce9cfb.rlib" "/opt/rustwide/target/debug/deps/libtokio_sync-079441517abe9581.rlib" "/opt/rustwide/target/debug/deps/libfnv-37dc92b0673ee3ab.rlib" "/opt/rustwide/target/debug/deps/libparking_lot-dd64dd45abca4bdf.rlib" "/opt/rustwide/target/debug/deps/libparking_lot_core-cb6d8ecbc931d7d6.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-2786763282e3ede7.rlib" "/opt/rustwide/target/debug/deps/liblock_api-07660d64bd9f77f1.rlib" "/opt/rustwide/target/debug/deps/libowning_ref-4f72de97adc34349.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-86b1307a95d38cfd.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-35b70419fc3f560e.rlib" "/opt/rustwide/target/debug/deps/libtokio_fs-6ef0a6b7131f717f.rlib" "/opt/rustwide/target/debug/deps/libtokio_threadpool-47a5cc9f8fe35e1a.rlib" "/opt/rustwide/target/debug/deps/librand-2c3d47ce285f3915.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-d166eaf1f31e436d.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-8756578e279e7221.rlib" "/opt/rustwide/target/debug/deps/librand_hc-f2e4f141a70472cc.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-165b2de10ae2f2ca.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-1bde7cb07bd26099.rlib" "/opt/rustwide/target/debug/deps/librand_core-e70617dc38f2822c.rlib" "/opt/rustwide/target/debug/deps/librand_os-abbba5492d1674f3.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-6b8e0f085492fe34.rlib" "/opt/rustwide/target/debug/deps/librand_core-803546ca06a2d189.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-3f3c573fdc376743.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-1a5424c4e449fe19.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-49a4c32c643ae390.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-5d7f87962d1afbbe.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-7b77748ac9f86a69.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-b4f0f77bba9a8c89.rlib" "/opt/rustwide/target/debug/deps/libnodrop-2eb5aff8322c7e4b.rlib" "/opt/rustwide/target/debug/deps/libtokio_current_thread-7c4061f661e65397.rlib" "/opt/rustwide/target/debug/deps/libtokio_executor-0c239dd0f15eb488.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-049ae55dc8a16311.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-aa458f9196325be2.rlib" "/opt/rustwide/target/debug/deps/libtokio_codec-74a2187972710daa.rlib" "/opt/rustwide/target/debug/deps/libtokio_io-fa0bb9043b9535e5.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-4d71a1342b5c59b1.rlib" "/opt/rustwide/target/debug/deps/libmio-e9043a30506d8136.rlib" "/opt/rustwide/target/debug/deps/liblog-f1340081fe6eb5b5.rlib" "/opt/rustwide/target/debug/deps/libslab-e0e9bebbbea2c5c2.rlib" "/opt/rustwide/target/debug/deps/libnet2-d197cc7154195bff.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-dc9c1f3ab4e75cf1.rlib" "/opt/rustwide/target/debug/deps/libbytes-bddf7b5e06f34d86.rlib" "/opt/rustwide/target/debug/deps/libiovec-f404a28eb8fa4805.rlib" "/opt/rustwide/target/debug/deps/liblibc-e56a0d52c58e583c.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-920ed6a70714d423.rlib" "/opt/rustwide/target/debug/deps/libfutures-8918f68967b9fe78.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" [INFO] [stdout] = note: [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "e4531646d7521cd6b83c923504e6faf0bc14f8b233601dd2b3f3656c20d17187", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4531646d7521cd6b83c923504e6faf0bc14f8b233601dd2b3f3656c20d17187", kill_on_drop: false }` [INFO] [stdout] e4531646d7521cd6b83c923504e6faf0bc14f8b233601dd2b3f3656c20d17187