[INFO] fetching crate rustyline 12.0.0... [INFO] checking rustyline-12.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rustyline 12.0.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate rustyline 12.0.0 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 crates.io crate rustyline 12.0.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate rustyline 12.0.0 [INFO] tweaked toml for crates.io crate rustyline 12.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate rustyline 12.0.0 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 rustyline-derive v0.9.0 [INFO] [stderr] Downloaded tuikit v0.5.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.61 [INFO] [stderr] Downloaded defer-drop v1.3.0 [INFO] [stderr] Downloaded bitflags v2.3.2 [INFO] [stderr] Downloaded skim v0.10.4 [INFO] [stderr] Downloaded timer v0.2.0 [INFO] [stderr] Downloaded syn v2.0.20 [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] 887c472e0355521db827272876fc26ed34a4e42c401711f44aa239a6067b8063 [INFO] running `Command { std: "docker" "start" "-a" "887c472e0355521db827272876fc26ed34a4e42c401711f44aa239a6067b8063", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "887c472e0355521db827272876fc26ed34a4e42c401711f44aa239a6067b8063", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "887c472e0355521db827272876fc26ed34a4e42c401711f44aa239a6067b8063", kill_on_drop: false }` [INFO] [stdout] 887c472e0355521db827272876fc26ed34a4e42c401711f44aa239a6067b8063 [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] d7931b9f65475de120b90a2512398028e452c1c3260d0549a5f6fdcb5faccb08 [INFO] running `Command { std: "docker" "start" "-a" "d7931b9f65475de120b90a2512398028e452c1c3260d0549a5f6fdcb5faccb08", kill_on_drop: false }` [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling rustix v0.37.20 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling tempfile v3.6.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking home v0.5.5 [INFO] [stderr] Checking bitflags v2.3.2 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking fd-lock v3.0.12 [INFO] [stderr] Checking rustyline v12.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly [INFO] [stdout] --> src/history.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::iter::DoubleEndedIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `DoubleEndedIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/layout.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialOrd}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/layout.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly [INFO] [stdout] --> src/history.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::iter::DoubleEndedIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `DoubleEndedIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/layout.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialOrd}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/layout.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::unix::*` [INFO] [stdout] --> src/tty/mod.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | pub use self::unix::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/tty/test.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.01s [INFO] running `Command { std: "docker" "inspect" "d7931b9f65475de120b90a2512398028e452c1c3260d0549a5f6fdcb5faccb08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7931b9f65475de120b90a2512398028e452c1c3260d0549a5f6fdcb5faccb08", kill_on_drop: false }` [INFO] [stdout] d7931b9f65475de120b90a2512398028e452c1c3260d0549a5f6fdcb5faccb08 [INFO] checking rustyline-12.0.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate rustyline 12.0.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rustyline 12.0.0 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 crates.io crate rustyline 12.0.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate rustyline 12.0.0 [INFO] tweaked toml for crates.io crate rustyline 12.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate rustyline 12.0.0 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] da36d94e99e72bf4662c80fc76687d04a3018652e35993dc92d9ffcf330d75d9 [INFO] running `Command { std: "docker" "start" "-a" "da36d94e99e72bf4662c80fc76687d04a3018652e35993dc92d9ffcf330d75d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da36d94e99e72bf4662c80fc76687d04a3018652e35993dc92d9ffcf330d75d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da36d94e99e72bf4662c80fc76687d04a3018652e35993dc92d9ffcf330d75d9", kill_on_drop: false }` [INFO] [stdout] da36d94e99e72bf4662c80fc76687d04a3018652e35993dc92d9ffcf330d75d9 [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] 8b8de364bf7ef58173b92d3abddd60e0364cb6d70b9db00649932ccbe03cef04 [INFO] running `Command { std: "docker" "start" "-a" "8b8de364bf7ef58173b92d3abddd60e0364cb6d70b9db00649932ccbe03cef04", kill_on_drop: false }` [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling rustix v0.37.20 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking home v0.5.5 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling tempfile v3.6.0 [INFO] [stderr] Checking bitflags v2.3.2 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking fd-lock v3.0.12 [INFO] [stderr] Checking rustyline v12.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly [INFO] [stdout] --> src/history.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::iter::DoubleEndedIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `DoubleEndedIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/layout.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialOrd}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/layout.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly [INFO] [stdout] --> src/history.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::iter::DoubleEndedIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `DoubleEndedIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/layout.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialOrd}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/layout.rs:1:31 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::unix::*` [INFO] [stdout] --> src/tty/mod.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | pub use self::unix::*; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/tty/test.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::IntoIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> examples/external_print.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 11 | thread::spawn(move || { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 11 | thread::spawn(move || -> /* Type */ { [INFO] [stdout] | +++++++++++++ [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 E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustyline` (example "external_print") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8b8de364bf7ef58173b92d3abddd60e0364cb6d70b9db00649932ccbe03cef04", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b8de364bf7ef58173b92d3abddd60e0364cb6d70b9db00649932ccbe03cef04", kill_on_drop: false }` [INFO] [stdout] 8b8de364bf7ef58173b92d3abddd60e0364cb6d70b9db00649932ccbe03cef04