[INFO] cloning repository https://github.com/tmt96/mangekyou [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmt96/mangekyou" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmt96%2Fmangekyou", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmt96%2Fmangekyou'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a96639eb5acb2d9e98e29d7b18c26c1f6e73f6b6 [INFO] checking tmt96/mangekyou against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmt96%2Fmangekyou" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tmt96/mangekyou 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/tmt96/mangekyou [INFO] finished tweaking git repo https://github.com/tmt96/mangekyou [INFO] tweaked toml for git repo https://github.com/tmt96/mangekyou written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tmt96/mangekyou 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 git repository `https://github.com/TheDan64/inkwell` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded llvm-sys v80.1.2 [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] e0002f15140ab7a0791d5712058faf567b74dd9c36473b36e598cd0a95f578f7 [INFO] running `Command { std: "docker" "start" "-a" "e0002f15140ab7a0791d5712058faf567b74dd9c36473b36e598cd0a95f578f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0002f15140ab7a0791d5712058faf567b74dd9c36473b36e598cd0a95f578f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0002f15140ab7a0791d5712058faf567b74dd9c36473b36e598cd0a95f578f7", kill_on_drop: false }` [INFO] [stdout] e0002f15140ab7a0791d5712058faf567b74dd9c36473b36e598cd0a95f578f7 [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] 1694b3f3355255cc1d8359062e1ed131d582a65e5417283cd111a089a6b8c314 [INFO] running `Command { std: "docker" "start" "-a" "1694b3f3355255cc1d8359062e1ed131d582a65e5417283cd111a089a6b8c314", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.2 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling syn v1.0.27 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm8-0#9aabeab2) [INFO] [stderr] Compiling aho-corasick v0.7.8 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling llvm-sys v80.1.2 [INFO] [stderr] Compiling inkwell_internals v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm8-0#9aabeab2) [INFO] [stderr] Checking mangekyou v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib/lexer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stdin`, `stdout` [INFO] [stdout] --> src/lib/object_code_compiler.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{stdin, stdout, Write}; [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/lib/lexer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stdin`, `stdout` [INFO] [stdout] --> src/lib/object_code_compiler.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{stdin, stdout, Write}; [INFO] [stdout] | ^^^^^ ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_binary_pred` is never used [INFO] [stdout] --> src/lib/ast.rs:144:12 [INFO] [stdout] | [INFO] [stdout] 99 | impl Prototype { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 144 | pub fn get_binary_pred(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_context`, `get_module`, `get_builder`, and `get_pass_manager` are never used [INFO] [stdout] --> src/lib/codegen.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl<'ctx> IRGenerator<'ctx> { [INFO] [stdout] | ---------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 94 | pub fn get_context(&self) -> &'ctx Context { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn get_module(&self) -> &Module<'ctx> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn get_builder(&self) -> &Builder<'ctx> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | pub fn get_pass_manager(&self) -> &PassManager> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compile` is never used [INFO] [stdout] --> src/lib/object_code_compiler.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn compile() -> Result<(), String> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_binary_pred` is never used [INFO] [stdout] --> src/lib/ast.rs:144:12 [INFO] [stdout] | [INFO] [stdout] 99 | impl Prototype { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 144 | pub fn get_binary_pred(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_context`, `get_module`, `get_builder`, and `get_pass_manager` are never used [INFO] [stdout] --> src/lib/codegen.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl<'ctx> IRGenerator<'ctx> { [INFO] [stdout] | ---------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 94 | pub fn get_context(&self) -> &'ctx Context { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | pub fn get_module(&self) -> &Module<'ctx> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn get_builder(&self) -> &Builder<'ctx> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | pub fn get_pass_manager(&self) -> &PassManager> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compile` is never used [INFO] [stdout] --> src/lib/object_code_compiler.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn compile() -> Result<(), String> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s [INFO] running `Command { std: "docker" "inspect" "1694b3f3355255cc1d8359062e1ed131d582a65e5417283cd111a089a6b8c314", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1694b3f3355255cc1d8359062e1ed131d582a65e5417283cd111a089a6b8c314", kill_on_drop: false }` [INFO] [stdout] 1694b3f3355255cc1d8359062e1ed131d582a65e5417283cd111a089a6b8c314 [INFO] checking tmt96/mangekyou against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmt96%2Fmangekyou" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tmt96/mangekyou 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/tmt96/mangekyou [INFO] finished tweaking git repo https://github.com/tmt96/mangekyou [INFO] tweaked toml for git repo https://github.com/tmt96/mangekyou written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tmt96/mangekyou 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] e0c41bb67f9738cfb4a8f58db28e0b755a3909501ba4f5311af2759a3a4f5fad [INFO] running `Command { std: "docker" "start" "-a" "e0c41bb67f9738cfb4a8f58db28e0b755a3909501ba4f5311af2759a3a4f5fad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0c41bb67f9738cfb4a8f58db28e0b755a3909501ba4f5311af2759a3a4f5fad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0c41bb67f9738cfb4a8f58db28e0b755a3909501ba4f5311af2759a3a4f5fad", kill_on_drop: false }` [INFO] [stdout] e0c41bb67f9738cfb4a8f58db28e0b755a3909501ba4f5311af2759a3a4f5fad [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] 09543d1d5509ee9ddca3f5453bda898f1574022e79e2a2707ae22aef1b6cfa18 [INFO] running `Command { std: "docker" "start" "-a" "09543d1d5509ee9ddca3f5453bda898f1574022e79e2a2707ae22aef1b6cfa18", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.2 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling regex-syntax v0.6.14 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling syn v1.0.27 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm8-0#9aabeab2) [INFO] [stderr] Compiling aho-corasick v0.7.8 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.4/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.4/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [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] [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" "09543d1d5509ee9ddca3f5453bda898f1574022e79e2a2707ae22aef1b6cfa18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09543d1d5509ee9ddca3f5453bda898f1574022e79e2a2707ae22aef1b6cfa18", kill_on_drop: false }` [INFO] [stdout] 09543d1d5509ee9ddca3f5453bda898f1574022e79e2a2707ae22aef1b6cfa18