[INFO] cloning repository https://github.com/ratnadeepb/Rust_async_demos [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ratnadeepb/Rust_async_demos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fratnadeepb%2FRust_async_demos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fratnadeepb%2FRust_async_demos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c898ae6b6f0ac04d77990c142ce7fcd16f339d85 [INFO] checking ratnadeepb/Rust_async_demos against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fratnadeepb%2FRust_async_demos" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ratnadeepb/Rust_async_demos on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ratnadeepb/Rust_async_demos [INFO] finished tweaking git repo https://github.com/ratnadeepb/Rust_async_demos [INFO] tweaked toml for git repo https://github.com/ratnadeepb/Rust_async_demos written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/ratnadeepb/Rust_async_demos already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: /workspace/builds/worker-10/source/tokio-oneshot-joinhandle/Cargo.toml: unused manifest key: dependencies.tokio.feature [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/sergey-melnychuk/rust-parser-combinators` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v0.3.0 [INFO] [stderr] Downloaded async-executor v1.3.0 [INFO] [stderr] Downloaded wepoll-sys v3.0.0 [INFO] [stderr] Downloaded polling v2.0.1 [INFO] [stderr] Downloaded env_logger v0.8.1 [INFO] [stderr] Downloaded async-global-executor v1.3.0 [INFO] [stderr] Downloaded async-task v4.0.2 [INFO] [stderr] Downloaded futures-lite v1.11.1 [INFO] [stderr] Downloaded weezl v0.1.1 [INFO] [stderr] Downloaded async-io v1.1.10 [INFO] [stderr] Downloaded async-std v1.6.5 [INFO] [stderr] Downloaded tokio v0.3.7 [INFO] [stderr] Downloaded const_fn v0.4.2 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 700a6d0a9bd459cfac597e6604f632726307802dcb002f01fa88d94ba4da57f8 [INFO] running `Command { std: "docker" "start" "-a" "700a6d0a9bd459cfac597e6604f632726307802dcb002f01fa88d94ba4da57f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "700a6d0a9bd459cfac597e6604f632726307802dcb002f01fa88d94ba4da57f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "700a6d0a9bd459cfac597e6604f632726307802dcb002f01fa88d94ba4da57f8", kill_on_drop: false }` [INFO] [stdout] 700a6d0a9bd459cfac597e6604f632726307802dcb002f01fa88d94ba4da57f8 [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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a048d83e42c1bd7ef1aa3614be2864a51e6d47be34824bd601c639adfc7e7c2 [INFO] running `Command { std: "docker" "start" "-a" "4a048d83e42c1bd7ef1aa3614be2864a51e6d47be34824bd601c639adfc7e7c2", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/tokio-oneshot-joinhandle/Cargo.toml: unused manifest key: dependencies.tokio.feature [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling const_fn v0.4.2 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Checking pin-project-lite v0.1.10 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Checking async-task v4.0.2 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking weezl v0.1.1 [INFO] [stderr] Checking object v0.21.1 [INFO] [stderr] Checking regex-syntax v0.6.20 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bytemuck v1.4.1 [INFO] [stderr] Checking parser-combinators v0.1.0 (https://github.com/sergey-melnychuk/rust-parser-combinators?tag=0.1.3#9f87600d) [INFO] [stderr] Checking parser-combinator v0.1.0 (/opt/rustwide/workdir/parser-combinator) [INFO] [stderr] Checking thread-demo v0.1.0 (/opt/rustwide/workdir/thread-demo) [INFO] [stderr] Checking timer v0.1.0 (/opt/rustwide/workdir/timer) [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stdout] warning: unused variable: `handle1` [INFO] [stdout] --> thread-demo/src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let handle1 = thread::spawn(move || { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `the_letter_a` [INFO] [stdout] --> parser-combinator/src/lib.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn the_letter_a(input: &str) -> Result<(&str, ()), &str> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio v0.3.7 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stdout] warning: function is never used: `the_letter_a` [INFO] [stdout] --> parser-combinator/src/lib.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn the_letter_a(input: &str) -> Result<(&str, ()), &str> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle1` [INFO] [stdout] --> thread-demo/src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let handle1 = thread::spawn(move || { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Checking instant v0.1.7 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking gif v0.11.1 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking polling v2.0.1 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking futures-lite v1.11.1 [INFO] [stderr] Checking aho-corasick v0.7.14 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking tiff v0.5.0 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Checking testing-mio v0.1.0 (/opt/rustwide/workdir/testing-mio) [INFO] [stderr] Checking mio-http v0.1.0 (/opt/rustwide/workdir/mio-http) [INFO] [stderr] Checking crossbeam-epoch v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.3.0 [INFO] [stderr] Checking async-io v1.1.10 [INFO] [stderr] Checking async-executor v1.3.0 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking png v0.16.7 [INFO] [stderr] Checking regex v1.4.1 [INFO] [stderr] Checking generic-array v0.14.4 [INFO] [stderr] Checking async-global-executor v1.3.0 [INFO] [stderr] Checking crossbeam v0.8.0 [INFO] [stderr] Checking num-complex v0.3.0 [INFO] [stderr] Checking async-std v1.6.5 [INFO] [stderr] Checking crossbeam-parallel-pipeline v0.1.0 (/opt/rustwide/workdir/crossbeam-parallel-pipeline) [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking sha-1 v0.9.1 [INFO] [stderr] Checking backtrace v0.3.53 [INFO] [stderr] Checking env_logger v0.8.1 [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.0/src/biguint.rs:198:10 [INFO] [stdout] | [INFO] [stdout] 198 | .div_ceil(&big_digit::BITS.into()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] = help: add `#![feature(int_roundings)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.0/src/biguint.rs:198:19 [INFO] [stdout] | [INFO] [stdout] 198 | .div_ceil(&big_digit::BITS.into()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ expected `u64`, found reference [INFO] [stdout] | [INFO] [stdout] = note: expected type `u64` [INFO] [stdout] found reference `&_` [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 198 - .div_ceil(&big_digit::BITS.into()) [INFO] [stdout] 198 + .div_ceil(big_digit::BITS.into()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.0/src/biguint.rs:1700:41 [INFO] [stdout] | [INFO] [stdout] 1700 | let root_scale = extra_bits.div_ceil(&n64); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] = help: add `#![feature(int_roundings)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.0/src/biguint.rs:1700:50 [INFO] [stdout] | [INFO] [stdout] 1700 | let root_scale = extra_bits.div_ceil(&n64); [INFO] [stdout] | ^^^^ expected `u64`, found `&u64` [INFO] [stdout] | [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 1700 - let root_scale = extra_bits.div_ceil(&n64); [INFO] [stdout] 1700 + let root_scale = extra_bits.div_ceil(n64); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.0/src/biguint.rs:2119:10 [INFO] [stdout] | [INFO] [stdout] 2119 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] = help: add `#![feature(int_roundings)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.0/src/biguint.rs:2119:19 [INFO] [stdout] | [INFO] [stdout] 2119 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64` [INFO] [stdout] | [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 2119 - .div_ceil(&u64::from(bits)) [INFO] [stdout] 2119 + .div_ceil(u64::from(bits)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.0/src/biguint.rs:2147:10 [INFO] [stdout] | [INFO] [stdout] 2147 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] = help: add `#![feature(int_roundings)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.0/src/biguint.rs:2147:19 [INFO] [stdout] | [INFO] [stdout] 2147 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64` [INFO] [stdout] | [INFO] [stdout] help: consider removing the borrow [INFO] [stdout] | [INFO] [stdout] 2147 - .div_ceil(&u64::from(bits)) [INFO] [stdout] 2147 + .div_ceil(u64::from(bits)) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `num-bigint` due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "4a048d83e42c1bd7ef1aa3614be2864a51e6d47be34824bd601c639adfc7e7c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a048d83e42c1bd7ef1aa3614be2864a51e6d47be34824bd601c639adfc7e7c2", kill_on_drop: false }` [INFO] [stdout] 4a048d83e42c1bd7ef1aa3614be2864a51e6d47be34824bd601c639adfc7e7c2