[INFO] cloning repository https://github.com/mel-project/melnet2-bench [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mel-project/melnet2-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmel-project%2Fmelnet2-bench", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmel-project%2Fmelnet2-bench'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8eaf93dae96d50167514a704f6d8e34ad5c66b9e [INFO] checking mel-project/melnet2-bench against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmel-project%2Fmelnet2-bench" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mel-project/melnet2-bench on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mel-project/melnet2-bench [INFO] finished tweaking git repo https://github.com/mel-project/melnet2-bench [INFO] tweaked toml for git repo https://github.com/mel-project/melnet2-bench written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mel-project/melnet2-bench already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smolscale v0.3.29 [INFO] [stderr] Downloaded nanorpc v0.1.4 [INFO] [stderr] Downloaded async-oneshot v0.4.2 [INFO] [stderr] Downloaded nanorpc-derive v0.1.0 [INFO] [stderr] Downloaded melnet2 v0.1.0 [INFO] [stderr] Downloaded reusable-box-future v0.2.0 [INFO] [stderr] Downloaded smol-timeout v0.6.0 [INFO] [stderr] Downloaded argh_shared v0.1.8 [INFO] [stderr] Downloaded argh_derive v0.1.8 [INFO] [stderr] Downloaded argh v0.1.8 [INFO] [stderr] Downloaded rtrb v0.1.4 [INFO] [stderr] Downloaded lz4_flex v0.9.5 [INFO] [stderr] Downloaded raw-cpuid v10.5.0 [INFO] [stderr] Downloaded async-io v1.9.0 [INFO] [stderr] Downloaded futures-micro v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 06f0a5839c73ffcd83a99f895863cd88fcdda252dd3ad33b6857fcd7fbbadba0 [INFO] running `Command { std: "docker" "start" "-a" "06f0a5839c73ffcd83a99f895863cd88fcdda252dd3ad33b6857fcd7fbbadba0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06f0a5839c73ffcd83a99f895863cd88fcdda252dd3ad33b6857fcd7fbbadba0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06f0a5839c73ffcd83a99f895863cd88fcdda252dd3ad33b6857fcd7fbbadba0", kill_on_drop: false }` [INFO] [stdout] 06f0a5839c73ffcd83a99f895863cd88fcdda252dd3ad33b6857fcd7fbbadba0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79f050b5be2d7555616d16bc51289df990b5cc7d745958f8add16ab402a3cfaa [INFO] running `Command { std: "docker" "start" "-a" "79f050b5be2d7555616d16bc51289df990b5cc7d745958f8add16ab402a3cfaa", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling lock_api v0.4.8 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking concurrent-queue v1.2.4 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking futures-io v0.3.24 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Checking slab v0.4.7 [INFO] [stderr] Compiling polling v2.3.0 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Checking log v0.4.17 [INFO] [stderr] Compiling async-io v1.9.0 [INFO] [stderr] Checking async-task v4.3.0 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Checking async-channel v1.7.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Checking memoffset v0.6.5 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Compiling backtrace v0.3.66 [INFO] [stderr] Checking blocking v1.2.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Compiling async-net v1.7.0 [INFO] [stderr] Compiling async-fs v1.6.0 [INFO] [stderr] Compiling async-process v1.5.0 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling anyhow v1.0.64 [INFO] [stderr] Compiling async-trait v0.1.57 [INFO] [stderr] Checking gimli v0.26.2 [INFO] [stderr] Checking raw-cpuid v10.5.0 [INFO] [stderr] Checking miniz_oxide v0.5.4 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking spin v0.9.4 [INFO] [stderr] Checking async-lock v2.5.0 [INFO] [stderr] Checking object v0.29.0 [INFO] [stderr] Checking ryu v1.0.11 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Compiling moka v0.9.4 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Checking futures-micro v0.3.1 [INFO] [stderr] Checking futures-sink v0.3.24 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking async-oneshot v0.4.2 [INFO] [stderr] Checking twox-hash v1.6.3 [INFO] [stderr] Checking scheduled-thread-pool v0.2.6 [INFO] [stderr] Checking quanta v0.10.1 [INFO] [stderr] Checking futures-intrusive v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking uuid v1.1.2 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking rtrb v0.1.4 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling argh_shared v0.1.8 [INFO] [stderr] Checking triomphe v0.1.8 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking tagptr v0.2.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking smol-timeout v0.6.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking smol v1.2.5 [INFO] [stderr] Checking lz4_flex v0.9.5 [INFO] [stderr] Checking reusable-box-future v0.2.0 [INFO] [stderr] Checking easy-parallel v3.2.0 [INFO] [stderr] Checking dashmap v5.4.0 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Compiling pin-project-internal v1.0.12 [INFO] [stderr] Compiling thiserror-impl v1.0.34 [INFO] [stderr] Compiling futures-macro v0.3.24 [INFO] [stderr] Compiling nanorpc-derive v0.1.0 [INFO] [stderr] Compiling argh_derive v0.1.8 [INFO] [stderr] Checking thiserror v1.0.34 [INFO] [stderr] Checking argh v0.1.8 [INFO] [stderr] Checking pin-project v1.0.12 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking smolscale v0.3.29 [INFO] [stderr] Checking smol_str v0.1.23 [INFO] [stderr] Checking nanorpc v0.1.4 [INFO] [stderr] Checking melnet2 v0.1.0 [INFO] [stderr] Checking melnet2-bench v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.01s [INFO] running `Command { std: "docker" "inspect" "79f050b5be2d7555616d16bc51289df990b5cc7d745958f8add16ab402a3cfaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79f050b5be2d7555616d16bc51289df990b5cc7d745958f8add16ab402a3cfaa", kill_on_drop: false }` [INFO] [stdout] 79f050b5be2d7555616d16bc51289df990b5cc7d745958f8add16ab402a3cfaa [INFO] checking mel-project/melnet2-bench against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmel-project%2Fmelnet2-bench" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mel-project/melnet2-bench on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mel-project/melnet2-bench [INFO] finished tweaking git repo https://github.com/mel-project/melnet2-bench [INFO] tweaked toml for git repo https://github.com/mel-project/melnet2-bench written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mel-project/melnet2-bench already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 943b2409d3245cbf15e26e28e1eb022c1d57146039e09a53692d8137917c3ba5 [INFO] running `Command { std: "docker" "start" "-a" "943b2409d3245cbf15e26e28e1eb022c1d57146039e09a53692d8137917c3ba5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "943b2409d3245cbf15e26e28e1eb022c1d57146039e09a53692d8137917c3ba5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "943b2409d3245cbf15e26e28e1eb022c1d57146039e09a53692d8137917c3ba5", kill_on_drop: false }` [INFO] [stdout] 943b2409d3245cbf15e26e28e1eb022c1d57146039e09a53692d8137917c3ba5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb2b7b492a72d7da4ee7052a4898c387cd88facad2facfbe9de7907cbc216b80 [INFO] running `Command { std: "docker" "start" "-a" "eb2b7b492a72d7da4ee7052a4898c387cd88facad2facfbe9de7907cbc216b80", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Checking cache-padded v1.2.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling lock_api v0.4.8 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking concurrent-queue v1.2.4 [INFO] [stderr] Checking futures-io v0.3.24 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling polling v2.3.0 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking log v0.4.17 [INFO] [stderr] Compiling async-io v1.9.0 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Checking async-task v4.3.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-lite-1.12.0/src/future.rs:469:27 [INFO] [stdout] | [INFO] [stdout] 469 | let t1 = res1.map_err(|_| unreachable!()).unwrap(); [INFO] [stdout] | ^^^^^^^ cannot infer type of the type parameter `F` declared on the method `map_err` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 469 | let t1 = res1.map_err::(|_| unreachable!()).unwrap(); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.11/src/sync/parker.rs:368:25 [INFO] [stdout] | [INFO] [stdout] 368 | / match self.state.swap(EMPTY, SeqCst) { [INFO] [stdout] 369 | | NOTIFIED | PARKED => return, [INFO] [stdout] 370 | | n => panic!("inconsistent park_timeout state: {}", n), [INFO] [stdout] 371 | | }; [INFO] [stdout] | |_________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking async-channel v1.7.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-lite` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "eb2b7b492a72d7da4ee7052a4898c387cd88facad2facfbe9de7907cbc216b80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb2b7b492a72d7da4ee7052a4898c387cd88facad2facfbe9de7907cbc216b80", kill_on_drop: false }` [INFO] [stdout] eb2b7b492a72d7da4ee7052a4898c387cd88facad2facfbe9de7907cbc216b80