[INFO] cloning repository https://github.com/Phantato/llvm_tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Phantato/llvm_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantato%2Fllvm_tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantato%2Fllvm_tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 62b57eaa0566adb7f20481c668b1804bca9f1472 [INFO] checking Phantato/llvm_tutorial against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantato%2Fllvm_tutorial" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Phantato/llvm_tutorial on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Phantato/llvm_tutorial [INFO] finished tweaking git repo https://github.com/Phantato/llvm_tutorial [INFO] tweaked toml for git repo https://github.com/Phantato/llvm_tutorial written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Phantato/llvm_tutorial 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/TheDan64/inkwell` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded llvm-sys v130.0.2 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cce1ace71e494d97c4f349a6feb1d81c539e5a63f46296894e64804db8715fab [INFO] running `Command { std: "docker" "start" "-a" "cce1ace71e494d97c4f349a6feb1d81c539e5a63f46296894e64804db8715fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cce1ace71e494d97c4f349a6feb1d81c539e5a63f46296894e64804db8715fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cce1ace71e494d97c4f349a6feb1d81c539e5a63f46296894e64804db8715fab", kill_on_drop: false }` [INFO] [stdout] cce1ace71e494d97c4f349a6feb1d81c539e5a63f46296894e64804db8715fab [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab3427b38b4abe3676a1742fef07303ec80790d67153337767c7d012a872f595 [INFO] running `Command { std: "docker" "start" "-a" "ab3427b38b4abe3676a1742fef07303ec80790d67153337767c7d012a872f595", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#a24642d2) [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling llvm-sys v130.0.2 [INFO] [stderr] Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#a24642d2) [INFO] [stderr] Checking llvm-tutorial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::parser::*` [INFO] [stdout] --> src/code_generator.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::parser::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lexer::Lexer` [INFO] [stdout] --> src/parser.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::lexer::Lexer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::Function` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use ast::Function; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `util::*` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use util::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::parser::*` [INFO] [stdout] --> src/code_generator.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::parser::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lexer::Lexer` [INFO] [stdout] --> src/parser.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::lexer::Lexer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::Function` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use ast::Function; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `util::*` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use util::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 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 18.36s [INFO] running `Command { std: "docker" "inspect" "ab3427b38b4abe3676a1742fef07303ec80790d67153337767c7d012a872f595", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab3427b38b4abe3676a1742fef07303ec80790d67153337767c7d012a872f595", kill_on_drop: false }` [INFO] [stdout] ab3427b38b4abe3676a1742fef07303ec80790d67153337767c7d012a872f595 [INFO] checking Phantato/llvm_tutorial against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantato%2Fllvm_tutorial" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Phantato/llvm_tutorial on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Phantato/llvm_tutorial [INFO] finished tweaking git repo https://github.com/Phantato/llvm_tutorial [INFO] tweaked toml for git repo https://github.com/Phantato/llvm_tutorial written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Phantato/llvm_tutorial 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18cf991f5bf38c507c49e3df83a2580d96b7b5adfd175f3456308158efbbfb19 [INFO] running `Command { std: "docker" "start" "-a" "18cf991f5bf38c507c49e3df83a2580d96b7b5adfd175f3456308158efbbfb19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18cf991f5bf38c507c49e3df83a2580d96b7b5adfd175f3456308158efbbfb19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18cf991f5bf38c507c49e3df83a2580d96b7b5adfd175f3456308158efbbfb19", kill_on_drop: false }` [INFO] [stdout] 18cf991f5bf38c507c49e3df83a2580d96b7b5adfd175f3456308158efbbfb19 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90ac9f64c8991f8312785015cf45dae9571d758fe25ccd53e1e2704d5f50f6f2 [INFO] running `Command { std: "docker" "start" "-a" "90ac9f64c8991f8312785015cf45dae9571d758fe25ccd53e1e2704d5f50f6f2", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#a24642d2) [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling llvm-sys v130.0.2 [INFO] [stderr] Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#a24642d2) [INFO] [stderr] Checking llvm-tutorial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::parser::*` [INFO] [stdout] --> src/code_generator.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::parser::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lexer::Lexer` [INFO] [stdout] --> src/parser.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::lexer::Lexer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::Function` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use ast::Function; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `util::*` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use util::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::parser::*` [INFO] [stdout] --> src/code_generator.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::parser::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lexer::Lexer` [INFO] [stdout] --> src/parser.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::lexer::Lexer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::Function` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use ast::Function; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `util::*` [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use util::*; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 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 15.70s [INFO] running `Command { std: "docker" "inspect" "90ac9f64c8991f8312785015cf45dae9571d758fe25ccd53e1e2704d5f50f6f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90ac9f64c8991f8312785015cf45dae9571d758fe25ccd53e1e2704d5f50f6f2", kill_on_drop: false }` [INFO] [stdout] 90ac9f64c8991f8312785015cf45dae9571d758fe25ccd53e1e2704d5f50f6f2