[INFO] cloning repository https://github.com/casey/tokio-by-hand [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casey/tokio-by-hand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Ftokio-by-hand", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Ftokio-by-hand'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d1ae672f1b508cb3383127cca10208f085bad42e [INFO] checking casey/tokio-by-hand against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Ftokio-by-hand" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/casey/tokio-by-hand 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/casey/tokio-by-hand [INFO] finished tweaking git repo https://github.com/casey/tokio-by-hand [INFO] tweaked toml for git repo https://github.com/casey/tokio-by-hand written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/casey/tokio-by-hand 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 futures v0.1.16 [INFO] [stderr] Downloaded tokio-io v0.1.3 [INFO] [stderr] Downloaded libc v0.2.32 [INFO] [stderr] Downloaded mio v0.6.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 721bc985290d03dad5a8927ed86b9a4db3bab4c6c35b80552ffc6017b7505d65 [INFO] running `Command { std: "docker" "start" "-a" "721bc985290d03dad5a8927ed86b9a4db3bab4c6c35b80552ffc6017b7505d65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "721bc985290d03dad5a8927ed86b9a4db3bab4c6c35b80552ffc6017b7505d65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "721bc985290d03dad5a8927ed86b9a4db3bab4c6c35b80552ffc6017b7505d65", kill_on_drop: false }` [INFO] [stdout] 721bc985290d03dad5a8927ed86b9a4db3bab4c6c35b80552ffc6017b7505d65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c1ad640463b78087135f7cf9013db5a8db7e26993fa8729b1b59a904da565b6d [INFO] running `Command { std: "docker" "start" "-a" "c1ad640463b78087135f7cf9013db5a8db7e26993fa8729b1b59a904da565b6d", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.32 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking futures v0.1.16 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking rand v0.3.17 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking mio v0.6.10 [INFO] [stderr] Checking tokio-io v0.1.3 [INFO] [stderr] Checking tokio-core v0.1.10 [INFO] [stderr] Checking tokio-by-hand v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/extended/adapter.rs:5:21 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Incoming(u8); [INFO] [stdout] | -------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Incoming` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Incoming(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/instant_series.rs:91:7 [INFO] [stdout] | [INFO] [stdout] 91 | producer.forward(consumer).wait().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/delayed_series.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/delayed_series.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/delayed_series.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/buffered.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/instant_series.rs:115:7 [INFO] [stdout] | [INFO] [stdout] 115 | producer.forward(consumer).wait().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/delayed_series.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/delayed_series.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/delayed_series.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 127 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/buffered.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Map` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/adapter.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | / stream [INFO] [stdout] 131 | | .take(7) [INFO] [stdout] 132 | | .inspect(|x| println!("from stream: {:?}", x)) [INFO] [stdout] 133 | | .map(|x| Outgoing(x.0)) [INFO] [stdout] 134 | | .forward(sink).wait().unwrap(); [INFO] [stdout] | |____________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "c1ad640463b78087135f7cf9013db5a8db7e26993fa8729b1b59a904da565b6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1ad640463b78087135f7cf9013db5a8db7e26993fa8729b1b59a904da565b6d", kill_on_drop: false }` [INFO] [stdout] c1ad640463b78087135f7cf9013db5a8db7e26993fa8729b1b59a904da565b6d [INFO] checking casey/tokio-by-hand against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Ftokio-by-hand" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/casey/tokio-by-hand 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/casey/tokio-by-hand [INFO] finished tweaking git repo https://github.com/casey/tokio-by-hand [INFO] tweaked toml for git repo https://github.com/casey/tokio-by-hand written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/casey/tokio-by-hand 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 532aad8b23e728ff51628f652be002300d640018b675a4d94f1022fba1e7bd4c [INFO] running `Command { std: "docker" "start" "-a" "532aad8b23e728ff51628f652be002300d640018b675a4d94f1022fba1e7bd4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "532aad8b23e728ff51628f652be002300d640018b675a4d94f1022fba1e7bd4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "532aad8b23e728ff51628f652be002300d640018b675a4d94f1022fba1e7bd4c", kill_on_drop: false }` [INFO] [stdout] 532aad8b23e728ff51628f652be002300d640018b675a4d94f1022fba1e7bd4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] db6ffc0993ce026ed2ea5366020eb027b0764c577d58602e1d6d17235dd035eb [INFO] running `Command { std: "docker" "start" "-a" "db6ffc0993ce026ed2ea5366020eb027b0764c577d58602e1d6d17235dd035eb", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.32 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking futures v0.1.16 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking rand v0.3.17 [INFO] [stderr] Checking bytes v0.4.5 [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" "db6ffc0993ce026ed2ea5366020eb027b0764c577d58602e1d6d17235dd035eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db6ffc0993ce026ed2ea5366020eb027b0764c577d58602e1d6d17235dd035eb", kill_on_drop: false }` [INFO] [stdout] db6ffc0993ce026ed2ea5366020eb027b0764c577d58602e1d6d17235dd035eb