[INFO] updating cached repository https://github.com/jgautier/monkey
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] ea61dd7559c7c6f649b38bbc8d6c09e5a69e809f
[INFO] testing jgautier/monkey against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgautier%2Fmonkey" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgautier/monkey on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jgautier/monkey
[INFO] finished tweaking git repo https://github.com/jgautier/monkey
[INFO] tweaked toml for git repo https://github.com/jgautier/monkey written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jgautier/monkey already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 10005c4aec28aa4f7f7c5316b3a30d7618623cea0cb17da94d11ecdfae6a148e
[INFO] running `"docker" "start" "-a" "10005c4aec28aa4f7f7c5316b3a30d7618623cea0cb17da94d11ecdfae6a148e"`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/ast.rs:517:15
[INFO] [stderr]     |
[INFO] [stderr] 517 |         while (self.peek_token.token_type == lexer::TokenType::COMMA) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lexer.rs:132:14
[INFO] [stderr]     |
[INFO] [stderr] 132 |         for (i, chr) in self.input[self.cur_index..].char_indices() {
[INFO] [stderr]     |              ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |                     let mut program = parser.parse();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "10005c4aec28aa4f7f7c5316b3a30d7618623cea0cb17da94d11ecdfae6a148e"`
[INFO] running `"docker" "rm" "-f" "10005c4aec28aa4f7f7c5316b3a30d7618623cea0cb17da94d11ecdfae6a148e"`
[INFO] [stdout] 10005c4aec28aa4f7f7c5316b3a30d7618623cea0cb17da94d11ecdfae6a148e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] b4cf96ee3a862522b2c16ad5878234ec83210995a75e8c9888ea9807a431538c
[INFO] running `"docker" "start" "-a" "b4cf96ee3a862522b2c16ad5878234ec83210995a75e8c9888ea9807a431538c"`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `while` condition
[INFO] [stderr]    --> src/ast.rs:517:15
[INFO] [stderr]     |
[INFO] [stderr] 517 |         while (self.peek_token.token_type == lexer::TokenType::COMMA) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lexer.rs:132:14
[INFO] [stderr]     |
[INFO] [stderr] 132 |         for (i, chr) in self.input[self.cur_index..].char_indices() {
[INFO] [stderr]     |              ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `program`
[INFO] [stderr]    --> src/ast.rs:655:13
[INFO] [stderr]     |
[INFO] [stderr] 655 |         let program = Program {
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_program`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |                     let mut program = parser.parse();
[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] warning: function is never used: `test_parse_infix_bool_expression`
[INFO] [stderr]    --> src/ast.rs:795:6
[INFO] [stderr]     |
[INFO] [stderr] 795 |      fn test_parse_infix_bool_expression() {
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "b4cf96ee3a862522b2c16ad5878234ec83210995a75e8c9888ea9807a431538c"`
[INFO] running `"docker" "rm" "-f" "b4cf96ee3a862522b2c16ad5878234ec83210995a75e8c9888ea9807a431538c"`
[INFO] [stdout] b4cf96ee3a862522b2c16ad5878234ec83210995a75e8c9888ea9807a431538c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 3540e5d093e2770794887cce8741b142c6fc86421e55ea1708d08ef7e9c2e3fd
[INFO] running `"docker" "start" "-a" "3540e5d093e2770794887cce8741b142c6fc86421e55ea1708d08ef7e9c2e3fd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monkey-02c86eacbf4c6fef
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test ast::tests::parse_integer_literal_expression ... ok
[INFO] [stdout] test ast::tests::parse_identifier_expression ... ok
[INFO] [stdout] test ast::tests::let_statements ... ok
[INFO] [stdout] test ast::tests::parse_prefix_expression ... ok
[INFO] [stdout] test ast::tests::return_statements ... ok
[INFO] [stdout] test ast::tests::test_parse_call_expression ... ok
[INFO] [stdout] test ast::tests::test_parse_fn_expression ... ok
[INFO] [stdout] test ast::tests::to_string ... ok
[INFO] [stdout] test ast::tests::test_parse_if_expression ... ok
[INFO] [stdout] test lexer::tests::test_expression ... ok
[INFO] [stdout] test ast::tests::test_parse_infix_expression ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test ast::tests::test_operator_precedence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3540e5d093e2770794887cce8741b142c6fc86421e55ea1708d08ef7e9c2e3fd"`
[INFO] running `"docker" "rm" "-f" "3540e5d093e2770794887cce8741b142c6fc86421e55ea1708d08ef7e9c2e3fd"`
[INFO] [stdout] 3540e5d093e2770794887cce8741b142c6fc86421e55ea1708d08ef7e9c2e3fd