[INFO] fetching crate imap 3.0.0-alpha.12... [INFO] checking imap-3.0.0-alpha.12 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate imap 3.0.0-alpha.12 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate imap 3.0.0-alpha.12 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 imap 3.0.0-alpha.12 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate imap 3.0.0-alpha.12 [INFO] tweaked toml for crates.io crate imap 3.0.0-alpha.12 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate imap 3.0.0-alpha.12 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 rustls-connector v0.18.1 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.83 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.83 [INFO] [stderr] Downloaded rustls-webpki v0.100.2 [INFO] [stderr] Downloaded bufstream v0.1.4 [INFO] [stderr] Downloaded rustls-native-certs v0.6.2 [INFO] [stderr] Downloaded rustc-demangle v0.1.21 [INFO] [stderr] Downloaded imap-proto v0.16.1 [INFO] [stderr] Downloaded rustls v0.21.2 [INFO] [stderr] Downloaded base64 v0.21.0 [INFO] [stderr] Downloaded chrono v0.4.22 [INFO] [stderr] Downloaded miniz_oxide v0.5.4 [INFO] [stderr] Downloaded object v0.29.0 [INFO] [stderr] Downloaded backtrace v0.3.66 [INFO] [stderr] Downloaded futures-task v0.3.24 [INFO] [stderr] Downloaded futures-util v0.3.24 [INFO] [stderr] Downloaded quoted_printable v0.4.5 [INFO] [stderr] Downloaded lettre v0.10.1 [INFO] [stderr] Downloaded ouroboros_macro v0.16.0 [INFO] [stderr] Downloaded aho-corasick v0.7.19 [INFO] [stderr] Downloaded regex v1.6.0 [INFO] [stderr] Downloaded futures-core v0.3.24 [INFO] [stderr] Downloaded futures-io v0.3.24 [INFO] [stderr] Downloaded openssl v0.10.55 [INFO] [stderr] Downloaded regex-syntax v0.6.27 [INFO] [stderr] Downloaded rustls-pemfile v1.0.1 [INFO] [stderr] Downloaded js-sys v0.3.60 [INFO] [stderr] Downloaded once_cell v1.14.0 [INFO] [stderr] Downloaded web-sys v0.3.60 [INFO] [stderr] Downloaded email-encoding v0.1.3 [INFO] [stderr] Downloaded email_address v0.2.3 [INFO] [stderr] Downloaded openssl-sys v0.9.90 [INFO] [stderr] Downloaded ouroboros v0.16.0 [INFO] [stderr] Downloaded sct v0.7.0 [INFO] [stderr] Downloaded bumpalo v3.12.0 [INFO] [stderr] Downloaded wasm-bindgen v0.2.83 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.83 [INFO] [stderr] Downloaded addr2line v0.17.0 [INFO] [stderr] Downloaded aliasable v0.1.3 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.83 [INFO] [stderr] Downloaded proc-macro2 v1.0.60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3e83cb5880970f42b6d0d82ba1c810d22a524cc7f5b59165b3961b01c168d2c9 [INFO] running `Command { std: "docker" "start" "-a" "3e83cb5880970f42b6d0d82ba1c810d22a524cc7f5b59165b3961b01c168d2c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3e83cb5880970f42b6d0d82ba1c810d22a524cc7f5b59165b3961b01c168d2c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e83cb5880970f42b6d0d82ba1c810d22a524cc7f5b59165b3961b01c168d2c9", kill_on_drop: false }` [INFO] [stdout] 3e83cb5880970f42b6d0d82ba1c810d22a524cc7f5b59165b3961b01c168d2c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4e846b0237756bad88a919a1465de23c60a9e3c86adcaa46481ffbff98e4fc78 [INFO] running `Command { std: "docker" "start" "-a" "4e846b0237756bad88a919a1465de23c60a9e3c86adcaa46481ffbff98e4fc78", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Compiling openssl v0.10.55 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling rustls v0.21.2 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Compiling unicode-segmentation v1.10.0 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rustls-pemfile v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking futures-io v0.3.24 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking rustls-native-certs v0.6.2 [INFO] [stderr] Checking email-encoding v0.1.3 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking base64 v0.21.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking email_address v0.2.3 [INFO] [stderr] Checking quoted_printable v0.4.5 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling openssl-sys v0.9.90 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking chrono v0.4.22 [INFO] [stderr] Checking imap-proto v0.16.1 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking rustls-webpki v0.100.2 [INFO] [stderr] Checking sct v0.7.0 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling ouroboros_macro v0.16.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking rustls-connector v0.18.1 [INFO] [stderr] Checking ouroboros v0.16.0 [INFO] [stderr] Checking lettre v0.10.1 [INFO] [stderr] Checking imap v3.0.0-alpha.12 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/parse.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/parse.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/types/unsolicited_response.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/parse.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Extend` is imported redundantly [INFO] [stdout] --> src/parse.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::Extend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Extend` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/types/unsolicited_response.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/client.rs:1711:9 [INFO] [stdout] | [INFO] [stdout] 1711 | use super::super::error::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 1712 | use super::super::mock_stream::MockStream; [INFO] [stdout] 1713 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.81s [INFO] running `Command { std: "docker" "inspect" "4e846b0237756bad88a919a1465de23c60a9e3c86adcaa46481ffbff98e4fc78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e846b0237756bad88a919a1465de23c60a9e3c86adcaa46481ffbff98e4fc78", kill_on_drop: false }` [INFO] [stdout] 4e846b0237756bad88a919a1465de23c60a9e3c86adcaa46481ffbff98e4fc78 [INFO] checking imap-3.0.0-alpha.12 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate imap 3.0.0-alpha.12 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate imap 3.0.0-alpha.12 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 imap 3.0.0-alpha.12 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate imap 3.0.0-alpha.12 [INFO] tweaked toml for crates.io crate imap 3.0.0-alpha.12 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate imap 3.0.0-alpha.12 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c04bd95a422d8a354cf7bb5d0a4a0cc4e73b97f096ed4c4aca946c17bc56ea58 [INFO] running `Command { std: "docker" "start" "-a" "c04bd95a422d8a354cf7bb5d0a4a0cc4e73b97f096ed4c4aca946c17bc56ea58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c04bd95a422d8a354cf7bb5d0a4a0cc4e73b97f096ed4c4aca946c17bc56ea58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c04bd95a422d8a354cf7bb5d0a4a0cc4e73b97f096ed4c4aca946c17bc56ea58", kill_on_drop: false }` [INFO] [stdout] c04bd95a422d8a354cf7bb5d0a4a0cc4e73b97f096ed4c4aca946c17bc56ea58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f0924530a063f2640f4cce96dbe620f331fbaeba6c5e21b4abcd40d77458c77a [INFO] running `Command { std: "docker" "start" "-a" "f0924530a063f2640f4cce96dbe620f331fbaeba6c5e21b4abcd40d77458c77a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Checking once_cell v1.14.0 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling openssl v0.10.55 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Compiling unicode-segmentation v1.10.0 [INFO] [stderr] Compiling rustls v0.21.2 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rustls-pemfile v1.0.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking futures-io v0.3.24 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking rustls-native-certs v0.6.2 [INFO] [stderr] Checking email-encoding v0.1.3 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Checking email_address v0.2.3 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Checking base64 v0.21.0 [INFO] [stderr] Checking quoted_printable v0.4.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling openssl-sys v0.9.90 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking chrono v0.4.22 [INFO] [stderr] Checking imap-proto v0.16.1 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.6.0/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [INFO] [stdout] | |_____________^ cannot infer type [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 `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f0924530a063f2640f4cce96dbe620f331fbaeba6c5e21b4abcd40d77458c77a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0924530a063f2640f4cce96dbe620f331fbaeba6c5e21b4abcd40d77458c77a", kill_on_drop: false }` [INFO] [stdout] f0924530a063f2640f4cce96dbe620f331fbaeba6c5e21b4abcd40d77458c77a