[INFO] cloning repository https://github.com/shadowmint/rust-base-task [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shadowmint/rust-base-task" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowmint%2Frust-base-task", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowmint%2Frust-base-task'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a776ec0900c60834d72f6bf72caeb5fe8b11d25 [INFO] checking shadowmint/rust-base-task against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowmint%2Frust-base-task" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shadowmint/rust-base-task 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/shadowmint/rust-base-task [INFO] finished tweaking git repo https://github.com/shadowmint/rust-base-task [INFO] tweaked toml for git repo https://github.com/shadowmint/rust-base-task written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shadowmint/rust-base-task 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 tokio v0.1.3 [INFO] [stderr] Downloaded tokio-executor v0.1.0 [INFO] [stderr] Downloaded tokio-threadpool v0.1.0 [INFO] [stderr] Downloaded tokio-reactor v0.1.0 [INFO] [stderr] Downloaded crossbeam-deque v0.3.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.4.0 [INFO] [stderr] Downloaded libc v0.2.39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 05e90c296869f809af178960b9eaa333d5344ce83964f4e19faffeee7e91458a [INFO] running `Command { std: "docker" "start" "-a" "05e90c296869f809af178960b9eaa333d5344ce83964f4e19faffeee7e91458a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05e90c296869f809af178960b9eaa333d5344ce83964f4e19faffeee7e91458a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05e90c296869f809af178960b9eaa333d5344ce83964f4e19faffeee7e91458a", kill_on_drop: false }` [INFO] [stdout] 05e90c296869f809af178960b9eaa333d5344ce83964f4e19faffeee7e91458a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6a3cb50ba848bd2b0eb82485da89100b629b68f4b09f9502d7d0b6737c82b805 [INFO] running `Command { std: "docker" "start" "-a" "6a3cb50ba848bd2b0eb82485da89100b629b68f4b09f9502d7d0b6737c82b805", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking futures v0.1.18 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking crossbeam-epoch v0.4.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tokio-executor v0.1.0 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking base-task v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/task.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | action: 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] 8 | action: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/task_error.rs:33:32 [INFO] [stdout] | [INFO] [stdout] 33 | write!(f, "{:?}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `code` is never read [INFO] [stdout] --> src/task_error.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct TaskError { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 12 | message: String, [INFO] [stdout] 13 | code: TaskErrorCode, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TaskError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tokio-threadpool v0.1.0 [INFO] [stderr] Checking tokio-reactor v0.1.0 [INFO] [stderr] Checking tokio v0.1.3 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/task.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | action: 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] 8 | action: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/task_error.rs:33:32 [INFO] [stdout] | [INFO] [stdout] 33 | write!(f, "{:?}", self.description()) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `code` is never read [INFO] [stdout] --> src/task_error.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct TaskError { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 12 | message: String, [INFO] [stdout] 13 | code: TaskErrorCode, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TaskError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.32s [INFO] running `Command { std: "docker" "inspect" "6a3cb50ba848bd2b0eb82485da89100b629b68f4b09f9502d7d0b6737c82b805", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a3cb50ba848bd2b0eb82485da89100b629b68f4b09f9502d7d0b6737c82b805", kill_on_drop: false }` [INFO] [stdout] 6a3cb50ba848bd2b0eb82485da89100b629b68f4b09f9502d7d0b6737c82b805 [INFO] checking shadowmint/rust-base-task against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowmint%2Frust-base-task" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shadowmint/rust-base-task 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/shadowmint/rust-base-task [INFO] finished tweaking git repo https://github.com/shadowmint/rust-base-task [INFO] tweaked toml for git repo https://github.com/shadowmint/rust-base-task written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shadowmint/rust-base-task 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] da41432b4b4fa8bd542ef14f719036eb1d8e18e288a3bb318959d8550df8799d [INFO] running `Command { std: "docker" "start" "-a" "da41432b4b4fa8bd542ef14f719036eb1d8e18e288a3bb318959d8550df8799d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da41432b4b4fa8bd542ef14f719036eb1d8e18e288a3bb318959d8550df8799d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da41432b4b4fa8bd542ef14f719036eb1d8e18e288a3bb318959d8550df8799d", kill_on_drop: false }` [INFO] [stdout] da41432b4b4fa8bd542ef14f719036eb1d8e18e288a3bb318959d8550df8799d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 52e7345ea6a8799bf79bb8fe0fd3bc99b8e10ee0b1ada7622c6722af08612559 [INFO] running `Command { std: "docker" "start" "-a" "52e7345ea6a8799bf79bb8fe0fd3bc99b8e10ee0b1ada7622c6722af08612559", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking futures v0.1.18 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking crossbeam-epoch v0.4.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.6/src/bytes.rs:2116:17 [INFO] [stdout] | [INFO] [stdout] 2116 | panic!(); // TODO: abort [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bytes` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mio-0.6.14/src/poll.rs:2065:13 [INFO] [stdout] | [INFO] [stdout] 2065 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$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" "52e7345ea6a8799bf79bb8fe0fd3bc99b8e10ee0b1ada7622c6722af08612559", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52e7345ea6a8799bf79bb8fe0fd3bc99b8e10ee0b1ada7622c6722af08612559", kill_on_drop: false }` [INFO] [stdout] 52e7345ea6a8799bf79bb8fe0fd3bc99b8e10ee0b1ada7622c6722af08612559