[INFO] crate async-std 1.6.2 is already in cache [INFO] testing async-std-1.6.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate async-std 1.6.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate async-std 1.6.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate async-std 1.6.2 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate async-std 1.6.2 [INFO] tweaked toml for crates.io crate async-std 1.6.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate async-std 1.6.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 34c4ae63615e61e86dd3d05f83c22edd95b1e3b98b3120c5b3908af8815a25d7 [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" "34c4ae63615e61e86dd3d05f83c22edd95b1e3b98b3120c5b3908af8815a25d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34c4ae63615e61e86dd3d05f83c22edd95b1e3b98b3120c5b3908af8815a25d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34c4ae63615e61e86dd3d05f83c22edd95b1e3b98b3120c5b3908af8815a25d7", kill_on_drop: false }` [INFO] [stdout] 34c4ae63615e61e86dd3d05f83c22edd95b1e3b98b3120c5b3908af8815a25d7 [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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 159bd1ceacee1b5d88970bb91e2d7b6a55a3894ff600e1043089a72fdbc9dfe0 [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" "159bd1ceacee1b5d88970bb91e2d7b6a55a3894ff600e1043089a72fdbc9dfe0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.5 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cache-padded v1.1.0 [INFO] [stderr] Compiling parking v1.0.1 [INFO] [stderr] Compiling waker-fn v1.0.0 [INFO] [stderr] Compiling async-task v3.0.0 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling fastrand v1.2.4 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling concurrent-queue v1.1.1 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling kv-log-macro v1.0.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling pin-project-internal v0.4.20 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling pin-project v0.4.20 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling blocking v0.4.6 [INFO] [stderr] Compiling piper v0.1.3 [INFO] [stderr] Compiling smol v0.1.14 [INFO] [stderr] Compiling async-std v1.6.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stderr.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | mut self: Pin<&mut Self>, [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: variable does not need to be mutable [INFO] [stdout] --> src/io/stderr.rs:140:19 [INFO] [stdout] | [INFO] [stdout] 140 | fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stdin.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | mut self: Pin<&mut Self>, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stdout.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | mut self: Pin<&mut Self>, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stdout.rs:140:19 [INFO] [stdout] | [INFO] [stdout] 140 | fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.69s [INFO] running `Command { std: "docker" "inspect" "159bd1ceacee1b5d88970bb91e2d7b6a55a3894ff600e1043089a72fdbc9dfe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "159bd1ceacee1b5d88970bb91e2d7b6a55a3894ff600e1043089a72fdbc9dfe0", kill_on_drop: false }` [INFO] [stdout] 159bd1ceacee1b5d88970bb91e2d7b6a55a3894ff600e1043089a72fdbc9dfe0 [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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf5cae8d1b1a621252c339e30496fd27107c9ea62ff74c568e89a596cfd77b62 [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" "bf5cae8d1b1a621252c339e30496fd27107c9ea62ff74c568e89a596cfd77b62", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling gimli v0.21.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling smallvec v1.4.0 [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Compiling serde_json v1.0.55 [INFO] [stderr] Compiling object v0.19.0 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling termios v0.3.2 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stderr.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | mut self: Pin<&mut Self>, [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: variable does not need to be mutable [INFO] [stdout] --> src/io/stderr.rs:140:19 [INFO] [stdout] | [INFO] [stdout] 140 | fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stdin.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | mut self: Pin<&mut Self>, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stdout.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | mut self: Pin<&mut Self>, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stdout.rs:140:19 [INFO] [stdout] | [INFO] [stdout] 140 | fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling rand_xorshift v0.2.0 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling addr2line v0.12.1 [INFO] [stderr] Compiling backtrace v0.3.48 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling async-log-attributes v1.0.1 [INFO] [stderr] Compiling async-log v1.1.0 [INFO] [stderr] Compiling femme v1.3.0 [INFO] [stderr] Compiling async-std v1.6.2 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `async-std`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name a_chat --edition=2018 examples/a-chat/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="async-task"' --cfg 'feature="crossbeam-utils"' --cfg 'feature="default"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-core"' --cfg 'feature="futures-io"' --cfg 'feature="kv-log-macro"' --cfg 'feature="log"' --cfg 'feature="memchr"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' --cfg 'feature="pin-project-lite"' --cfg 'feature="pin-utils"' --cfg 'feature="slab"' --cfg 'feature="smol"' --cfg 'feature="std"' --cfg 'feature="wasm-bindgen-futures"' -C metadata=bd0b44e09de3bf07 -C extra-filename=-bd0b44e09de3bf07 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-8328ab45a2401d02.rlib --extern async_task=/opt/rustwide/target/debug/deps/libasync_task-655bfd2afcbaa82e.rlib --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-81bff507660079cf.rlib --extern femme=/opt/rustwide/target/debug/deps/libfemme-16c42704a6d4bd87.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-9338dcb527181cd5.rlib --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-6df2e04e1972541d.rlib --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-73dee996ef335687.rlib --extern kv_log_macro=/opt/rustwide/target/debug/deps/libkv_log_macro-af736a8d7096ed9d.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-e5ce5351392e0e87.rlib --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-1e6b68a09fbeab95.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-80da459ad0866b8f.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-f47bfe3107dba226.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-274f98c5e2451ef3.rlib --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-3bd6c621041b4748.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-7fb98764e3fce434.rlib --extern rand_xorshift=/opt/rustwide/target/debug/deps/librand_xorshift-9c81b65a69d53d64.rlib --extern slab=/opt/rustwide/target/debug/deps/libslab-3a7649c6fb4d320f.rlib --extern smol=/opt/rustwide/target/debug/deps/libsmol-f4f3d6eb96d7b80c.rlib --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-488fcf17c48a461c.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stderr.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | mut self: Pin<&mut Self>, [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: variable does not need to be mutable [INFO] [stdout] --> src/io/stderr.rs:140:19 [INFO] [stdout] | [INFO] [stdout] 140 | fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stdin.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | mut self: Pin<&mut Self>, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stdout.rs:92:9 [INFO] [stdout] | [INFO] [stdout] 92 | mut self: Pin<&mut Self>, [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io/stdout.rs:140:19 [INFO] [stdout] | [INFO] [stdout] 140 | fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "bf5cae8d1b1a621252c339e30496fd27107c9ea62ff74c568e89a596cfd77b62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf5cae8d1b1a621252c339e30496fd27107c9ea62ff74c568e89a596cfd77b62", kill_on_drop: false }` [INFO] [stdout] bf5cae8d1b1a621252c339e30496fd27107c9ea62ff74c568e89a596cfd77b62