[INFO] cloning repository https://github.com/Dialock/Logic_Solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dialock/Logic_Solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDialock%2FLogic_Solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDialock%2FLogic_Solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3231369b0faa60a525b0f02bafa48de3334b22ec [INFO] checking Dialock/Logic_Solver against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDialock%2FLogic_Solver" "/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/Dialock/Logic_Solver 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/Dialock/Logic_Solver [INFO] finished tweaking git repo https://github.com/Dialock/Logic_Solver [INFO] tweaked toml for git repo https://github.com/Dialock/Logic_Solver written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Dialock/Logic_Solver 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 text_io v0.1.7 [INFO] [stderr] Downloaded memchr v2.1.1 [INFO] [stderr] Downloaded aho-corasick v0.6.9 [INFO] [stderr] Downloaded ucd-util v0.1.2 [INFO] [stderr] Downloaded regex v1.0.5 [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] eef5f5ab53bae16b64932a0548a8ff59a6f85bacf8c51ae44ac342b9ede315e2 [INFO] running `Command { std: "docker" "start" "-a" "eef5f5ab53bae16b64932a0548a8ff59a6f85bacf8c51ae44ac342b9ede315e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eef5f5ab53bae16b64932a0548a8ff59a6f85bacf8c51ae44ac342b9ede315e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eef5f5ab53bae16b64932a0548a8ff59a6f85bacf8c51ae44ac342b9ede315e2", kill_on_drop: false }` [INFO] [stdout] eef5f5ab53bae16b64932a0548a8ff59a6f85bacf8c51ae44ac342b9ede315e2 [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] ec9a4c58c42bb862a6803c397e4e834c4739c5ba766ffd9b51f0ff1868e8ef94 [INFO] running `Command { std: "docker" "start" "-a" "ec9a4c58c42bb862a6803c397e4e834c4739c5ba766ffd9b51f0ff1868e8ef94", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking ucd-util v0.1.2 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking text_io v0.1.7 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking logic_solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::*` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::str::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `self` [INFO] [stdout] --> src/val_inval.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::LinkedList` [INFO] [stdout] --> src/val_inval.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::LinkedList; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::*` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::str::*; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `self` [INFO] [stdout] --> src/val_inval.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::LinkedList` [INFO] [stdout] --> src/val_inval.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::LinkedList; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:45:3 [INFO] [stdout] | [INFO] [stdout] 45 | /// Parses the user input to select solver [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 46 | / match input_trimmed.parse::() { [INFO] [stdout] 47 | | Ok(choice) => match choice { [INFO] [stdout] 48 | | 1 => get_arguments("multi", choice), [INFO] [stdout] 49 | | 2 => get_arguments("multi", choice), [INFO] [stdout] ... | [INFO] [stdout] 55 | | [INFO] [stdout] 56 | | }; [INFO] [stdout] | |_________- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:45:3 [INFO] [stdout] | [INFO] [stdout] 45 | /// Parses the user input to select solver [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 46 | / match input_trimmed.parse::() { [INFO] [stdout] 47 | | Ok(choice) => match choice { [INFO] [stdout] 48 | | 1 => get_arguments("multi", choice), [INFO] [stdout] 49 | | 2 => get_arguments("multi", choice), [INFO] [stdout] ... | [INFO] [stdout] 55 | | [INFO] [stdout] 56 | | }; [INFO] [stdout] | |_________- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/truth_tree.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | let mut list: LinkedList = LinkedList::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/truth_tree.rs:20:10 [INFO] [stdout] | [INFO] [stdout] 20 | let mut list: LinkedList = LinkedList::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/truth_tree.rs:20:6 [INFO] [stdout] | [INFO] [stdout] 20 | let mut list: LinkedList = LinkedList::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/truth_tree.rs:20:6 [INFO] [stdout] | [INFO] [stdout] 20 | let mut list: LinkedList = LinkedList::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/truth_table_single.rs:2:31 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn run_truth_table_single(s: &str) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/truth_table_single.rs:2:31 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn run_truth_table_single(s: &str) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/main.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | let mut list: LinkedList = LinkedList::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `list` [INFO] [stdout] --> src/main.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | let mut list: LinkedList = LinkedList::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:86:6 [INFO] [stdout] | [INFO] [stdout] 86 | let mut list: LinkedList = LinkedList::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:86:6 [INFO] [stdout] | [INFO] [stdout] 86 | let mut list: LinkedList = LinkedList::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_tree` is never used [INFO] [stdout] --> src/truth_tree.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn run_tree() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_string` is never used [INFO] [stdout] --> src/truth_tree.rs:68:4 [INFO] [stdout] | [INFO] [stdout] 68 | fn check_string(s: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `isolate_string` is never used [INFO] [stdout] --> src/truth_tree.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn isolate_string(s: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `evalute_argument` is never used [INFO] [stdout] --> src/truth_tree.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn evalute_argument(s: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_val_inval` is never used [INFO] [stdout] --> src/val_inval.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run_val_inval() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_true_multi` is never used [INFO] [stdout] --> src/truth_table_multi.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn run_true_multi() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_tree` is never used [INFO] [stdout] --> src/truth_tree.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn run_tree() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_string` is never used [INFO] [stdout] --> src/truth_tree.rs:68:4 [INFO] [stdout] | [INFO] [stdout] 68 | fn check_string(s: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `isolate_string` is never used [INFO] [stdout] --> src/truth_tree.rs:96:4 [INFO] [stdout] | [INFO] [stdout] 96 | fn isolate_string(s: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `evalute_argument` is never used [INFO] [stdout] --> src/truth_tree.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn evalute_argument(s: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_val_inval` is never used [INFO] [stdout] --> src/val_inval.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn run_val_inval() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_true_multi` is never used [INFO] [stdout] --> src/truth_table_multi.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn run_true_multi() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `Command { std: "docker" "inspect" "ec9a4c58c42bb862a6803c397e4e834c4739c5ba766ffd9b51f0ff1868e8ef94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec9a4c58c42bb862a6803c397e4e834c4739c5ba766ffd9b51f0ff1868e8ef94", kill_on_drop: false }` [INFO] [stdout] ec9a4c58c42bb862a6803c397e4e834c4739c5ba766ffd9b51f0ff1868e8ef94 [INFO] checking Dialock/Logic_Solver against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDialock%2FLogic_Solver" "/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/Dialock/Logic_Solver 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/Dialock/Logic_Solver [INFO] finished tweaking git repo https://github.com/Dialock/Logic_Solver [INFO] tweaked toml for git repo https://github.com/Dialock/Logic_Solver written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Dialock/Logic_Solver 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] 8360f5b774b21066f109146326a45daba3b8e381fca6b2bdf93240bb6fcf10b8 [INFO] running `Command { std: "docker" "start" "-a" "8360f5b774b21066f109146326a45daba3b8e381fca6b2bdf93240bb6fcf10b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8360f5b774b21066f109146326a45daba3b8e381fca6b2bdf93240bb6fcf10b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8360f5b774b21066f109146326a45daba3b8e381fca6b2bdf93240bb6fcf10b8", kill_on_drop: false }` [INFO] [stdout] 8360f5b774b21066f109146326a45daba3b8e381fca6b2bdf93240bb6fcf10b8 [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] 34dee521d0c2ca3e79c5f2467349bf96e90b67219907b41b0a2cbe8274402a75 [INFO] running `Command { std: "docker" "start" "-a" "34dee521d0c2ca3e79c5f2467349bf96e90b67219907b41b0a2cbe8274402a75", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Checking ucd-util v0.1.2 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking text_io v0.1.7 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.0.5/src/exec.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / match dfa::Fsm::reverse( [INFO] [stdout] 755 | | &self.ro.dfa_reverse, [INFO] [stdout] 756 | | self.cache, [INFO] [stdout] 757 | | false, [INFO] [stdout] ... | [INFO] [stdout] 764 | | Quit => return Some(Quit), [INFO] [stdout] 765 | | }; [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] running `Command { std: "docker" "inspect" "34dee521d0c2ca3e79c5f2467349bf96e90b67219907b41b0a2cbe8274402a75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34dee521d0c2ca3e79c5f2467349bf96e90b67219907b41b0a2cbe8274402a75", kill_on_drop: false }` [INFO] [stdout] 34dee521d0c2ca3e79c5f2467349bf96e90b67219907b41b0a2cbe8274402a75