[INFO] cloning repository https://github.com/rkusa/tokio-multiple-cores-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rkusa/tokio-multiple-cores-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkusa%2Ftokio-multiple-cores-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkusa%2Ftokio-multiple-cores-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 45f5197fd477fee00d5f824fb427cecbbb771677 [INFO] checking rkusa/tokio-multiple-cores-example against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkusa%2Ftokio-multiple-cores-example" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rkusa/tokio-multiple-cores-example 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/rkusa/tokio-multiple-cores-example [INFO] finished tweaking git repo https://github.com/rkusa/tokio-multiple-cores-example [INFO] tweaked toml for git repo https://github.com/rkusa/tokio-multiple-cores-example written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rkusa/tokio-multiple-cores-example 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] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.31 [INFO] [stderr] Downloaded tokio-io v0.1.3 [INFO] [stderr] Downloaded hyper v0.11.2 [INFO] [stderr] Downloaded tokio-core v0.1.9 [INFO] [stderr] Downloaded mio v0.6.10 [INFO] [stderr] Downloaded futures v0.1.15 [INFO] [stderr] Downloaded mime v0.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1b3b87cf827a55dfe5afac849cd5212c2c5a3187922372d2eb13dc0904c70df7 [INFO] running `Command { std: "docker" "start" "-a" "1b3b87cf827a55dfe5afac849cd5212c2c5a3187922372d2eb13dc0904c70df7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b3b87cf827a55dfe5afac849cd5212c2c5a3187922372d2eb13dc0904c70df7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b3b87cf827a55dfe5afac849cd5212c2c5a3187922372d2eb13dc0904c70df7", kill_on_drop: false }` [INFO] [stdout] 1b3b87cf827a55dfe5afac849cd5212c2c5a3187922372d2eb13dc0904c70df7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5875e3985dc87cd1a93f756c75e2edfae50200b29b31a693ef0ce8fdf2a24d19 [INFO] running `Command { std: "docker" "start" "-a" "5875e3985dc87cd1a93f756c75e2edfae50200b29b31a693ef0ce8fdf2a24d19", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking futures v0.1.15 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking percent-encoding v1.0.0 [INFO] [stderr] Checking httparse v1.2.3 [INFO] [stderr] Compiling unicase v2.0.0 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking mime v0.3.3 [INFO] [stderr] Checking mio v0.6.10 [INFO] [stderr] Checking tokio-io v0.1.3 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking futures-cpupool v0.1.5 [INFO] [stderr] Checking tokio-core v0.1.9 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking hyper v0.11.2 [INFO] [stderr] Checking tokio-multiple-cores v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 | type Future = Box>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:24:23 [INFO] [stdout] | [INFO] [stdout] 24 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 24 | type Future = Box>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.24s [INFO] running `Command { std: "docker" "inspect" "5875e3985dc87cd1a93f756c75e2edfae50200b29b31a693ef0ce8fdf2a24d19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5875e3985dc87cd1a93f756c75e2edfae50200b29b31a693ef0ce8fdf2a24d19", kill_on_drop: false }` [INFO] [stdout] 5875e3985dc87cd1a93f756c75e2edfae50200b29b31a693ef0ce8fdf2a24d19 [INFO] checking rkusa/tokio-multiple-cores-example against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frkusa%2Ftokio-multiple-cores-example" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rkusa/tokio-multiple-cores-example 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/rkusa/tokio-multiple-cores-example [INFO] finished tweaking git repo https://github.com/rkusa/tokio-multiple-cores-example [INFO] tweaked toml for git repo https://github.com/rkusa/tokio-multiple-cores-example written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/rkusa/tokio-multiple-cores-example 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d77c87088a6dfcd70f858581f1e2e5a86237f8e918950ac1acebda7765bb7e13 [INFO] running `Command { std: "docker" "start" "-a" "d77c87088a6dfcd70f858581f1e2e5a86237f8e918950ac1acebda7765bb7e13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d77c87088a6dfcd70f858581f1e2e5a86237f8e918950ac1acebda7765bb7e13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d77c87088a6dfcd70f858581f1e2e5a86237f8e918950ac1acebda7765bb7e13", kill_on_drop: false }` [INFO] [stdout] d77c87088a6dfcd70f858581f1e2e5a86237f8e918950ac1acebda7765bb7e13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 88ee4eaf2b8bf97eb23087827d128f69f1638492a50bc44d84a99a8f30e63a71 [INFO] running `Command { std: "docker" "start" "-a" "88ee4eaf2b8bf97eb23087827d128f69f1638492a50bc44d84a99a8f30e63a71", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Checking futures v0.1.15 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking take v0.1.0 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking percent-encoding v1.0.0 [INFO] [stderr] Checking httparse v1.2.3 [INFO] [stderr] Compiling unicase v2.0.0 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking mime v0.3.3 [INFO] [stderr] Checking mio v0.6.10 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.5/src/bytes.rs:1986:21 [INFO] [stdout] | [INFO] [stdout] 1986 | panic!(); // TODO: abort [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bytes` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mio-0.6.10/src/poll.rs:1868:13 [INFO] [stdout] | [INFO] [stdout] 1868 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [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 `mio` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "88ee4eaf2b8bf97eb23087827d128f69f1638492a50bc44d84a99a8f30e63a71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88ee4eaf2b8bf97eb23087827d128f69f1638492a50bc44d84a99a8f30e63a71", kill_on_drop: false }` [INFO] [stdout] 88ee4eaf2b8bf97eb23087827d128f69f1638492a50bc44d84a99a8f30e63a71