[INFO] updating cached repository albfan/rust-tree-sitter-ast-viewer [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/albfan/rust-tree-sitter-ast-viewer [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/albfan/rust-tree-sitter-ast-viewer" "work/ex/beta-1.38-1/sources/1.37.0/gh/albfan/rust-tree-sitter-ast-viewer"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/albfan/rust-tree-sitter-ast-viewer'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/albfan/rust-tree-sitter-ast-viewer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/albfan/rust-tree-sitter-ast-viewer"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/albfan/rust-tree-sitter-ast-viewer'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c78b9692af1cbfe0e60c9d3f1e75dd8c426822c0 [INFO] sha for GitHub repo albfan/rust-tree-sitter-ast-viewer: c78b9692af1cbfe0e60c9d3f1e75dd8c426822c0 [INFO] validating manifest of albfan/rust-tree-sitter-ast-viewer on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of albfan/rust-tree-sitter-ast-viewer on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing albfan/rust-tree-sitter-ast-viewer [INFO] finished frobbing albfan/rust-tree-sitter-ast-viewer [INFO] frobbed toml for albfan/rust-tree-sitter-ast-viewer written to work/ex/beta-1.38-1/sources/1.37.0/gh/albfan/rust-tree-sitter-ast-viewer/Cargo.toml [INFO] started frobbing albfan/rust-tree-sitter-ast-viewer [INFO] finished frobbing albfan/rust-tree-sitter-ast-viewer [INFO] frobbed toml for albfan/rust-tree-sitter-ast-viewer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/albfan/rust-tree-sitter-ast-viewer/Cargo.toml [INFO] crate albfan/rust-tree-sitter-ast-viewer already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing albfan/rust-tree-sitter-ast-viewer against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/albfan/rust-tree-sitter-ast-viewer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 08c8b4123307d28581be7e46ee54e165e0163173231858b24565dfbb3889f872 [INFO] running `"docker" "start" "-a" "08c8b4123307d28581be7e46ee54e165e0163173231858b24565dfbb3889f872"` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling cc v1.0.26 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Compiling tree-sitter v0.3.4 (https://github.com/tree-sitter/rust-tree-sitter#85347541) [INFO] [stderr] Compiling tree-sitter-ast-viewer v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> build.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> build.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | let mut parser_dir: PathBuf = ["fixtures", path.unwrap().file_name().to_str().unwrap(), "src"].iter().collect(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] warning: value assigned to `language` is never read [INFO] [stderr] --> src/main.rs:34:11 [INFO] [stderr] | [INFO] [stderr] 34 | let mut language = unsafe { tree_sitter_rust() }; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `tree_sitter_python` [INFO] [stderr] --> src/main.rs:12:16 [INFO] [stderr] | [INFO] [stderr] 12 | extern "C" { fn tree_sitter_python() -> Language; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `tree_sitter_ruby` [INFO] [stderr] --> src/main.rs:13:16 [INFO] [stderr] | [INFO] [stderr] 13 | extern "C" { fn tree_sitter_ruby() -> Language; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `tree_sitter_haskell` [INFO] [stderr] --> src/main.rs:14:16 [INFO] [stderr] | [INFO] [stderr] 14 | extern "C" { fn tree_sitter_haskell() -> Language; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `tree_sitter_cpp` [INFO] [stderr] --> src/main.rs:15:16 [INFO] [stderr] | [INFO] [stderr] 15 | extern "C" { fn tree_sitter_cpp() -> Language; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `tree_sitter_bash` [INFO] [stderr] --> src/main.rs:17:16 [INFO] [stderr] | [INFO] [stderr] 17 | extern "C" { fn tree_sitter_bash() -> Language; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `tree_sitter_php` [INFO] [stderr] --> src/main.rs:20:16 [INFO] [stderr] | [INFO] [stderr] 20 | extern "C" { fn tree_sitter_php() -> Language; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `"docker" "inspect" "08c8b4123307d28581be7e46ee54e165e0163173231858b24565dfbb3889f872"` [INFO] running `"docker" "rm" "-f" "08c8b4123307d28581be7e46ee54e165e0163173231858b24565dfbb3889f872"` [INFO] [stdout] 08c8b4123307d28581be7e46ee54e165e0163173231858b24565dfbb3889f872 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/albfan/rust-tree-sitter-ast-viewer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 78b3415fc147c36bb1404a1b15fad9140edc1f30f81c2158b86250ad374f1713 [INFO] running `"docker" "start" "-a" "78b3415fc147c36bb1404a1b15fad9140edc1f30f81c2158b86250ad374f1713"` [INFO] [stderr] Compiling tree-sitter-ast-viewer v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: value assigned to `language` is never read [INFO] [stderr] --> src/main.rs:34:11 [INFO] [stderr] | [INFO] [stderr] 34 | let mut language = unsafe { tree_sitter_rust() }; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `"docker" "inspect" "78b3415fc147c36bb1404a1b15fad9140edc1f30f81c2158b86250ad374f1713"` [INFO] running `"docker" "rm" "-f" "78b3415fc147c36bb1404a1b15fad9140edc1f30f81c2158b86250ad374f1713"` [INFO] [stdout] 78b3415fc147c36bb1404a1b15fad9140edc1f30f81c2158b86250ad374f1713 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/albfan/rust-tree-sitter-ast-viewer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] ff04ff93a59b639f0d61b455e237fe76eb41fe8f3647dd2a50a7da7ca460d28f [INFO] running `"docker" "start" "-a" "ff04ff93a59b639f0d61b455e237fe76eb41fe8f3647dd2a50a7da7ca460d28f"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/crater/target/debug/deps/tree_sitter_ast_viewer-c4dcb13338cd6571 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "ff04ff93a59b639f0d61b455e237fe76eb41fe8f3647dd2a50a7da7ca460d28f"` [INFO] running `"docker" "rm" "-f" "ff04ff93a59b639f0d61b455e237fe76eb41fe8f3647dd2a50a7da7ca460d28f"` [INFO] [stdout] ff04ff93a59b639f0d61b455e237fe76eb41fe8f3647dd2a50a7da7ca460d28f