[INFO] updating cached repository https://github.com/nankeen/tiongkok-lang
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 882d5ff053e86757336d3d1fa7c79a627c8c2371
[INFO] testing nankeen/tiongkok-lang against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnankeen%2Ftiongkok-lang" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nankeen/tiongkok-lang on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/nankeen/tiongkok-lang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3386d866e30b3c71d4fb2113a797af400e50e5883911a9b8e96981b1a7d2978d
[INFO] running `"docker" "start" "-a" "3386d866e30b3c71d4fb2113a797af400e50e5883911a9b8e96981b1a7d2978d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tiongkok-lang v0.1.0 (/opt/rustwide/workdir)
[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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "3386d866e30b3c71d4fb2113a797af400e50e5883911a9b8e96981b1a7d2978d"`
[INFO] running `"docker" "rm" "-f" "3386d866e30b3c71d4fb2113a797af400e50e5883911a9b8e96981b1a7d2978d"`
[INFO] [stdout] 3386d866e30b3c71d4fb2113a797af400e50e5883911a9b8e96981b1a7d2978d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff1ddf14a060472757d29edb7bfedc990691e5133a8288d7cb08dbe3eaf77f42
[INFO] running `"docker" "start" "-a" "ff1ddf14a060472757d29edb7bfedc990691e5133a8288d7cb08dbe3eaf77f42"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tiongkok-lang v0.1.0 (/opt/rustwide/workdir)
[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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "ff1ddf14a060472757d29edb7bfedc990691e5133a8288d7cb08dbe3eaf77f42"`
[INFO] running `"docker" "rm" "-f" "ff1ddf14a060472757d29edb7bfedc990691e5133a8288d7cb08dbe3eaf77f42"`
[INFO] [stdout] ff1ddf14a060472757d29edb7bfedc990691e5133a8288d7cb08dbe3eaf77f42
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f5dd29867a7881d2dbc8620f254cc1299b15f920d53859c7fc0c50c9575e6bb
[INFO] running `"docker" "start" "-a" "6f5dd29867a7881d2dbc8620f254cc1299b15f920d53859c7fc0c50c9575e6bb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tiongkok_lang-68d8460a0bc06854
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test calculator::parser::tests::test_unary_operator ... ok
[INFO] [stdout] test calculator::parser::tests::test_factor_valid ... ok
[INFO] [stdout] test calculator::parser::tests::test_expr_valid ... ok
[INFO] [stdout] test calculator::parser::tests::test_term_valid ... ok
[INFO] [stdout] test calculator::lexer::tests::test_lexer ... ok
[INFO] [stdout] test calculator::parser::tests::test_factor_invalid ... ok
[INFO] [stdout] test calculator::parser::tests::test_term_invalid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6f5dd29867a7881d2dbc8620f254cc1299b15f920d53859c7fc0c50c9575e6bb"`
[INFO] running `"docker" "rm" "-f" "6f5dd29867a7881d2dbc8620f254cc1299b15f920d53859c7fc0c50c9575e6bb"`
[INFO] [stdout] 6f5dd29867a7881d2dbc8620f254cc1299b15f920d53859c7fc0c50c9575e6bb