[INFO] cloning repository https://github.com/joodicator/untitled [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joodicator/untitled" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoodicator%2Funtitled", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoodicator%2Funtitled'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fa72420b779f6d5dc9c3bb7a7367957ec18070d5 [INFO] checking joodicator/untitled against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoodicator%2Funtitled" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joodicator/untitled 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/joodicator/untitled [INFO] finished tweaking git repo https://github.com/joodicator/untitled [INFO] tweaked toml for git repo https://github.com/joodicator/untitled written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/joodicator/untitled 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 parse-display v0.5.1 [INFO] [stderr] Downloaded structmeta v0.1.3 [INFO] [stderr] Downloaded structmeta-derive v0.1.3 [INFO] [stderr] Downloaded parse-display-derive v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fb8eca629d30f217100e19877630c2005af93bdc6691df5fd75e6b93cde9c9ee [INFO] running `Command { std: "docker" "start" "-a" "fb8eca629d30f217100e19877630c2005af93bdc6691df5fd75e6b93cde9c9ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb8eca629d30f217100e19877630c2005af93bdc6691df5fd75e6b93cde9c9ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb8eca629d30f217100e19877630c2005af93bdc6691df5fd75e6b93cde9c9ee", kill_on_drop: false }` [INFO] [stdout] fb8eca629d30f217100e19877630c2005af93bdc6691df5fd75e6b93cde9c9ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 78db6a37cddd03d5af8a24203f6103ca35aeb70efbd6227261c5bc5732e4d676 [INFO] running `Command { std: "docker" "start" "-a" "78db6a37cddd03d5af8a24203f6103ca35aeb70efbd6227261c5bc5732e4d676", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking futures-io v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling structmeta-derive v0.1.3 [INFO] [stderr] Checking futures v0.3.17 [INFO] [stderr] Compiling structmeta v0.1.3 [INFO] [stderr] Compiling parse-display-derive v0.5.1 [INFO] [stderr] Compiling parse-display v0.5.1 [INFO] [stderr] Checking nxs_interface_macros v0.1.0 (/opt/rustwide/workdir/nxs_interface_macros) [INFO] [stderr] Checking nxs_interface v0.1.0 (/opt/rustwide/workdir/nxs_interface) [INFO] [stdout] warning: the item `Sync` is imported redundantly [INFO] [stdout] --> nxs_interface/src/util/dyn_cast.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use std::marker::{Sync, Send}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sync` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Send` is imported redundantly [INFO] [stdout] --> nxs_interface/src/util/dyn_cast.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | use std::marker::{Sync, Send}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Send` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sync` is imported redundantly [INFO] [stdout] --> nxs_interface/src/util/dyn_cast.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use std::marker::{Sync, Send}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sync` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Send` is imported redundantly [INFO] [stdout] --> nxs_interface/src/util/dyn_cast.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | use std::marker::{Sync, Send}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Send` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking nxs_std_cmds v0.1.0 (/opt/rustwide/workdir/nxs_std_cmds) [INFO] [stderr] Checking nxs_std_root v0.1.0 (/opt/rustwide/workdir/nxs_std_root) [INFO] [stderr] Checking nxs_std_text v0.1.0 (/opt/rustwide/workdir/nxs_std_text) [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> nxs_std_text/src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct StdTextManager { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 10 | root: &'static dyn RootModule, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `root` and `text` are never read [INFO] [stdout] --> nxs_std_cmds/src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Commands { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 10 | root: &'static dyn RootModule, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | text: &'static dyn TextManager, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `root` is never read [INFO] [stdout] --> nxs_std_text/src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct StdTextManager { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 10 | root: &'static dyn RootModule, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `root` and `text` are never read [INFO] [stdout] --> nxs_std_cmds/src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Commands { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 10 | root: &'static dyn RootModule, [INFO] [stdout] | ^^^^ [INFO] [stdout] 11 | text: &'static dyn TextManager, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.55s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: parse-display-derive v0.5.1, structmeta-derive v0.1.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "78db6a37cddd03d5af8a24203f6103ca35aeb70efbd6227261c5bc5732e4d676", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78db6a37cddd03d5af8a24203f6103ca35aeb70efbd6227261c5bc5732e4d676", kill_on_drop: false }` [INFO] [stdout] 78db6a37cddd03d5af8a24203f6103ca35aeb70efbd6227261c5bc5732e4d676 [INFO] checking joodicator/untitled against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoodicator%2Funtitled" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/joodicator/untitled 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/joodicator/untitled [INFO] finished tweaking git repo https://github.com/joodicator/untitled [INFO] tweaked toml for git repo https://github.com/joodicator/untitled written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/joodicator/untitled 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c6456ddbe48a22cbef8ecbd9ebf9dc4ee7043ad687e6a257e2a27c537275bbb2 [INFO] running `Command { std: "docker" "start" "-a" "c6456ddbe48a22cbef8ecbd9ebf9dc4ee7043ad687e6a257e2a27c537275bbb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6456ddbe48a22cbef8ecbd9ebf9dc4ee7043ad687e6a257e2a27c537275bbb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6456ddbe48a22cbef8ecbd9ebf9dc4ee7043ad687e6a257e2a27c537275bbb2", kill_on_drop: false }` [INFO] [stdout] c6456ddbe48a22cbef8ecbd9ebf9dc4ee7043ad687e6a257e2a27c537275bbb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c2558ebed651593377e6084d288e7c941aaebd50b44dfa864b3317636ff5ac97 [INFO] running `Command { std: "docker" "start" "-a" "c2558ebed651593377e6084d288e7c941aaebd50b44dfa864b3317636ff5ac97", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking futures-io v0.3.17 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/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" "c2558ebed651593377e6084d288e7c941aaebd50b44dfa864b3317636ff5ac97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2558ebed651593377e6084d288e7c941aaebd50b44dfa864b3317636ff5ac97", kill_on_drop: false }` [INFO] [stdout] c2558ebed651593377e6084d288e7c941aaebd50b44dfa864b3317636ff5ac97