[INFO] cloning repository https://github.com/jumang4423/nylang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jumang4423/nylang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumang4423%2Fnylang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumang4423%2Fnylang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d884b22420bfdeaab117e8dde2b42906c627eefa
[INFO] testing jumang4423/nylang against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumang4423%2Fnylang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jumang4423/nylang
[INFO] finished tweaking git repo https://github.com/jumang4423/nylang
[INFO] tweaked toml for git repo https://github.com/jumang4423/nylang written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jumang4423/nylang on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jumang4423/nylang 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b
[INFO] running `Command { std: "docker" "start" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling git2 v0.13.25
[INFO] [stderr]    Compiling nylang v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]    --> src/parser/parser.rs:132:11
[INFO] [stdout]     |
[INFO] [stdout] 132 |   #[allow(mutable_borrow_reservation_conflict)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builtin/builtin.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut is_found = false;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `borrowed` is never read
[INFO] [stdout]   --> src/builtin/builtin.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 74 |           borrowed = RefMut::map(borrowed, |s| {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `borrowed_is_found` is never read
[INFO] [stdout]   --> src/builtin/builtin.rs:78:11
[INFO] [stdout]    |
[INFO] [stdout] 78 |           borrowed_is_found = RefMut::map(borrowed_is_found, |s| {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/builtin/builtin.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     visit_dirs(Path::new(&cur_dir), &|entry| {
[INFO] [stdout] 69 | |       let path = entry.path();
[INFO] [stdout] 70 | |       if path.is_file() {
[INFO] [stdout] 71 | |         if path.to_str().unwrap().contains(&file_name.clone()) {
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let _ = visit_dirs(Path::new(&cur_dir), &|entry| {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling nylang v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]    --> src/parser/parser.rs:132:11
[INFO] [stdout]     |
[INFO] [stdout] 132 |   #[allow(mutable_borrow_reservation_conflict)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builtin/builtin.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut is_found = false;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `borrowed` is never read
[INFO] [stdout]   --> src/builtin/builtin.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 74 |           borrowed = RefMut::map(borrowed, |s| {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `borrowed_is_found` is never read
[INFO] [stdout]   --> src/builtin/builtin.rs:78:11
[INFO] [stdout]    |
[INFO] [stdout] 78 |           borrowed_is_found = RefMut::map(borrowed_is_found, |s| {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/builtin/builtin.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     visit_dirs(Path::new(&cur_dir), &|entry| {
[INFO] [stdout] 69 | |       let path = entry.path();
[INFO] [stdout] 70 | |       if path.is_file() {
[INFO] [stdout] 71 | |         if path.to_str().unwrap().contains(&file_name.clone()) {
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let _ = visit_dirs(Path::new(&cur_dir), &|entry| {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stderr]    --> src/parser/parser.rs:132:11
[INFO] [stderr]     |
[INFO] [stderr] 132 |   #[allow(mutable_borrow_reservation_conflict)]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builtin/builtin.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut is_found = false;
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `borrowed` is never read
[INFO] [stderr]   --> src/builtin/builtin.rs:74:11
[INFO] [stderr]    |
[INFO] [stderr] 74 |           borrowed = RefMut::map(borrowed, |s| {
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `borrowed_is_found` is never read
[INFO] [stderr]   --> src/builtin/builtin.rs:78:11
[INFO] [stderr]    |
[INFO] [stderr] 78 |           borrowed_is_found = RefMut::map(borrowed_is_found, |s| {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/builtin/builtin.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 | /     visit_dirs(Path::new(&cur_dir), &|entry| {
[INFO] [stderr] 69 | |       let path = entry.path();
[INFO] [stderr] 70 | |       if path.is_file() {
[INFO] [stderr] 71 | |         if path.to_str().unwrap().contains(&file_name.clone()) {
[INFO] [stderr] ...  |
[INFO] [stderr] 84 | |     });
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let _ = visit_dirs(Path::new(&cur_dir), &|entry| {
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `nylang` (bin "nylang" test) generated 5 warnings (run `cargo fix --bin "nylang" -p nylang --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/nylang-12eec5dd8142150c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test lexer::lexer::test_lexer ... ok
[INFO] [stdout] test parser::parser::test_asiggn_value ... ok
[INFO] [stdout] test parser::parser::test_if_statement ... ok
[INFO] [stdout] test parser::parser::test_let ... ok
[INFO] [stdout] test lexer::lexer::test_call_func ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b", kill_on_drop: false }`
[INFO] [stdout] 50692dc4e9a3e97c37cc59ebd9a2555080d85f185d4d77aeabe95989714c0f2b
