[INFO] cloning repository https://github.com/nankeen/tiongkok-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nankeen/tiongkok-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnankeen%2Ftiongkok-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnankeen%2Ftiongkok-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 882d5ff053e86757336d3d1fa7c79a627c8c2371
[INFO] testing nankeen/tiongkok-lang against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnankeen%2Ftiongkok-lang" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nankeen/tiongkok-lang on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nankeen/tiongkok-lang
[INFO] finished tweaking git repo https://github.com/nankeen/tiongkok-lang
[INFO] tweaked toml for git repo https://github.com/nankeen/tiongkok-lang written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/nankeen/tiongkok-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86763079af89f054b20ebb3b55c47b50fb64998a1af1ed94e97aca4f02e83924
[INFO] running `Command { std: "docker" "start" "-a" "86763079af89f054b20ebb3b55c47b50fb64998a1af1ed94e97aca4f02e83924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86763079af89f054b20ebb3b55c47b50fb64998a1af1ed94e97aca4f02e83924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86763079af89f054b20ebb3b55c47b50fb64998a1af1ed94e97aca4f02e83924", kill_on_drop: false }`
[INFO] [stdout] 86763079af89f054b20ebb3b55c47b50fb64998a1af1ed94e97aca4f02e83924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d637c09be0845cd99e9491a5431f83e0d76ce456481455f9f53bf3721969afdc
[INFO] running `Command { std: "docker" "start" "-a" "d637c09be0845cd99e9491a5431f83e0d76ce456481455f9f53bf3721969afdc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tiongkok-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/calculator/interpreter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `postfix_notation`
[INFO] [stdout]   --> src/calculator/interpreter.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn postfix_notation(node: &ASTNode) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lisp_notation`
[INFO] [stdout]   --> src/calculator/interpreter.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn lisp_notation(node: &ASTNode) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `LexerState`
[INFO] [stdout]  --> src/calculator/lexer.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum LexerState {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "d637c09be0845cd99e9491a5431f83e0d76ce456481455f9f53bf3721969afdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d637c09be0845cd99e9491a5431f83e0d76ce456481455f9f53bf3721969afdc", kill_on_drop: false }`
[INFO] [stdout] d637c09be0845cd99e9491a5431f83e0d76ce456481455f9f53bf3721969afdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9719acfd668d7f28083210bb46144c075d0401d9ac298ed52c3447f93405d545
[INFO] running `Command { std: "docker" "start" "-a" "9719acfd668d7f28083210bb46144c075d0401d9ac298ed52c3447f93405d545", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiongkok-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/calculator/interpreter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `postfix_notation`
[INFO] [stdout]   --> src/calculator/interpreter.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn postfix_notation(node: &ASTNode) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lisp_notation`
[INFO] [stdout]   --> src/calculator/interpreter.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn lisp_notation(node: &ASTNode) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `LexerState`
[INFO] [stdout]  --> src/calculator/lexer.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum LexerState {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "9719acfd668d7f28083210bb46144c075d0401d9ac298ed52c3447f93405d545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9719acfd668d7f28083210bb46144c075d0401d9ac298ed52c3447f93405d545", kill_on_drop: false }`
[INFO] [stdout] 9719acfd668d7f28083210bb46144c075d0401d9ac298ed52c3447f93405d545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 936088381b4e4bc2233d88c2bb7b40f2f08a094ae5b6491ac58b911716d018b9
[INFO] running `Command { std: "docker" "start" "-a" "936088381b4e4bc2233d88c2bb7b40f2f08a094ae5b6491ac58b911716d018b9", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]  --> src/calculator/interpreter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::vec::Vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `postfix_notation`
[INFO] [stderr]   --> src/calculator/interpreter.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn postfix_notation(node: &ASTNode) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lisp_notation`
[INFO] [stderr]   --> src/calculator/interpreter.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn lisp_notation(node: &ASTNode) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LexerState`
[INFO] [stderr]  --> src/calculator/lexer.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 | enum LexerState {
[INFO] [stderr]   |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tiongkok-lang` (bin "tiongkok-lang" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tiongkok_lang-76fc83f5a5e32b0f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test calculator::parser::tests::test_expr_valid ... ok
[INFO] [stdout] test calculator::parser::tests::test_factor_valid ... ok
[INFO] [stdout] test calculator::parser::tests::test_term_valid ... ok
[INFO] [stdout] test calculator::parser::tests::test_unary_operator ... ok
[INFO] [stdout] test calculator::lexer::tests::test_lexer ... ok
[INFO] [stdout] test calculator::parser::tests::test_factor_invalid - should panic ... ok
[INFO] [stdout] test calculator::parser::tests::test_term_invalid - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "936088381b4e4bc2233d88c2bb7b40f2f08a094ae5b6491ac58b911716d018b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936088381b4e4bc2233d88c2bb7b40f2f08a094ae5b6491ac58b911716d018b9", kill_on_drop: false }`
[INFO] [stdout] 936088381b4e4bc2233d88c2bb7b40f2f08a094ae5b6491ac58b911716d018b9