[INFO] cloning repository https://github.com/neildanson/monkey-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neildanson/monkey-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneildanson%2Fmonkey-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneildanson%2Fmonkey-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 706f6a8d3a043d04dd17633144958fa473c9522b
[INFO] testing neildanson/monkey-rs against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneildanson%2Fmonkey-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neildanson/monkey-rs on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neildanson/monkey-rs
[INFO] finished tweaking git repo https://github.com/neildanson/monkey-rs
[INFO] tweaked toml for git repo https://github.com/neildanson/monkey-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/neildanson/monkey-rs 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b225d3cd8299fa48e43302fb365d5767e525422dcc7a2eb55a9867bd19b2673
[INFO] running `Command { std: "docker" "start" "-a" "3b225d3cd8299fa48e43302fb365d5767e525422dcc7a2eb55a9867bd19b2673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b225d3cd8299fa48e43302fb365d5767e525422dcc7a2eb55a9867bd19b2673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b225d3cd8299fa48e43302fb365d5767e525422dcc7a2eb55a9867bd19b2673", kill_on_drop: false }`
[INFO] [stdout] 3b225d3cd8299fa48e43302fb365d5767e525422dcc7a2eb55a9867bd19b2673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8149c9916a1b60173981aac7fdb183abc7504f33682593e336690e0712dc918
[INFO] running `Command { std: "docker" "start" "-a" "a8149c9916a1b60173981aac7fdb183abc7504f33682593e336690e0712dc918", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/ast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Identifier<'a> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     token: Token<'a>,
[INFO] [stdout] 5 |     value: &'a str,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:15:80
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Expression::Identifier(identifier) => identifier.token.identifier().clone(),
[INFO] [stdout]    |                                                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:31:72
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Statement::LetStatement { token, .. } => token.identifier().clone(),
[INFO] [stdout]    |                                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "a8149c9916a1b60173981aac7fdb183abc7504f33682593e336690e0712dc918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8149c9916a1b60173981aac7fdb183abc7504f33682593e336690e0712dc918", kill_on_drop: false }`
[INFO] [stdout] a8149c9916a1b60173981aac7fdb183abc7504f33682593e336690e0712dc918
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2cf2af06d9cee24fbb6284222eee95f9eb180dad24fc2907552ab08ea67c14f
[INFO] running `Command { std: "docker" "start" "-a" "e2cf2af06d9cee24fbb6284222eee95f9eb180dad24fc2907552ab08ea67c14f", kill_on_drop: false }`
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/ast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Identifier<'a> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     token: Token<'a>,
[INFO] [stdout] 5 |     value: &'a str,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling monkey-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:15:80
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Expression::Identifier(identifier) => identifier.token.identifier().clone(),
[INFO] [stdout]    |                                                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:31:72
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Statement::LetStatement { token, .. } => token.identifier().clone(),
[INFO] [stdout]    |                                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/ast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Identifier<'a> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     token: Token<'a>,
[INFO] [stdout] 5 |     value: &'a str,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:15:80
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Expression::Identifier(identifier) => identifier.token.identifier().clone(),
[INFO] [stdout]    |                                                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:31:72
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Statement::LetStatement { token, .. } => token.identifier().clone(),
[INFO] [stdout]    |                                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "e2cf2af06d9cee24fbb6284222eee95f9eb180dad24fc2907552ab08ea67c14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2cf2af06d9cee24fbb6284222eee95f9eb180dad24fc2907552ab08ea67c14f", kill_on_drop: false }`
[INFO] [stdout] e2cf2af06d9cee24fbb6284222eee95f9eb180dad24fc2907552ab08ea67c14f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2449a2ef293e34ce219b652593a2dfac3b46f88b780d43d463663461afa8efc
[INFO] running `Command { std: "docker" "start" "-a" "b2449a2ef293e34ce219b652593a2dfac3b46f88b780d43d463663461afa8efc", kill_on_drop: false }`
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]  --> src/ast.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Identifier<'a> {
[INFO] [stderr]   |            ---------- field in this struct
[INFO] [stderr] 4 |     token: Token<'a>,
[INFO] [stderr] 5 |     value: &'a str,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/ast.rs:15:80
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Expression::Identifier(identifier) => identifier.token.identifier().clone(),
[INFO] [stderr]    |                                                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/ast.rs:31:72
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Statement::LetStatement { token, .. } => token.identifier().clone(),
[INFO] [stderr]    |                                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: `monkey-rs` (lib) generated 3 warnings (run `cargo fix --lib -p monkey-rs` to apply 2 suggestions)
[INFO] [stderr] warning: `monkey-rs` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/monkey_rs-45dd56da0cb9c7d6)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test lexer::tests::test_iter ... ok
[INFO] [stdout] test lexer::tests::test_next_monkey_example ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test lexer::tests::test_next_token_int ... ok
[INFO] [stdout] test lexer::tests::test_next_monkey_example_invalid_syntax ... ok
[INFO] [stdout] test lexer::tests::test_next_monkey_example_extra_keywords ... ok
[INFO] [stdout] test lexer::tests::test_next_monkey_example_extra_keywords_2 ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- parser::tests::test_let_statements stdout ----
[INFO] [stdout] thread 'parser::tests::test_let_statements' panicked at src/parser.rs:43:13:
[INFO] [stdout] program.statements does not contain 3 statements. Got=0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5557b9ea8856 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x5557b9ea8856 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5557b9ea8856 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x5557b9ea8856 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5557b9ed16a0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5557b9ed16a0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x5557b9ea62bf - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x5557b9ea8634 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x5557b9ea8634 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x5557b9eaa3a7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x5557b9eaa08d - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x5557b9e7a287 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x5557b9e7a287 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x5557b9eaa9c6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x5557b9eaa9c6 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x5557b9eaa712 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x5557b9ea8d56 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x5557b9eaa470 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5557b9e38cd5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5557b9e3ee85 - monkey_rs::parser::tests::test_let_statements::haa32306dc190936b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:43:13
[INFO] [stdout]   20:     0x5557b9e3ecf7 - monkey_rs::parser::tests::test_let_statements::{{closure}}::hea424de6cd0e7e7c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:36:29
[INFO] [stdout]   21:     0x5557b9e3f296 - core::ops::function::FnOnce::call_once::h9cdda1f0f0506082
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5557b9e7fb5f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5557b9e7fb5f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   24:     0x5557b9e7e8e1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   25:     0x5557b9e7e8e1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x5557b9e7e8e1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x5557b9e7e8e1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x5557b9e7e8e1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x5557b9e7e8e1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   30:     0x5557b9e7e8e1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   31:     0x5557b9e45c16 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   32:     0x5557b9e45c16 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   33:     0x5557b9e4ac77 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   34:     0x5557b9e4ac77 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x5557b9e4ac77 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   36:     0x5557b9e4ac77 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   37:     0x5557b9e4ac77 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   38:     0x5557b9e4ac77 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   39:     0x5557b9e4ac77 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5557b9eaf475 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   41:     0x5557b9eaf475 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x5557b9eaf475 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   43:     0x7fdf53812ac3 - <unknown>
[INFO] [stdout]   44:     0x7fdf538a3bf4 - __clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parser::tests::test_let_statements
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "b2449a2ef293e34ce219b652593a2dfac3b46f88b780d43d463663461afa8efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2449a2ef293e34ce219b652593a2dfac3b46f88b780d43d463663461afa8efc", kill_on_drop: false }`
[INFO] [stdout] b2449a2ef293e34ce219b652593a2dfac3b46f88b780d43d463663461afa8efc
[INFO] testing neildanson/monkey-rs against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneildanson%2Fmonkey-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neildanson/monkey-rs on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neildanson/monkey-rs
[INFO] finished tweaking git repo https://github.com/neildanson/monkey-rs
[INFO] tweaked toml for git repo https://github.com/neildanson/monkey-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/neildanson/monkey-rs 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" "+beta-2024-02-10" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a16937bfb4d620ed2ad844c6720d0135872797a47b9a20dcbeb7a05cc32c5e0
[INFO] running `Command { std: "docker" "start" "-a" "7a16937bfb4d620ed2ad844c6720d0135872797a47b9a20dcbeb7a05cc32c5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a16937bfb4d620ed2ad844c6720d0135872797a47b9a20dcbeb7a05cc32c5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a16937bfb4d620ed2ad844c6720d0135872797a47b9a20dcbeb7a05cc32c5e0", kill_on_drop: false }`
[INFO] [stdout] 7a16937bfb4d620ed2ad844c6720d0135872797a47b9a20dcbeb7a05cc32c5e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6f0219ac93035fa335ca74cd04f8e844865e4703ff50f967413b10fd0c5c83b
[INFO] running `Command { std: "docker" "start" "-a" "d6f0219ac93035fa335ca74cd04f8e844865e4703ff50f967413b10fd0c5c83b", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/ast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Identifier<'a> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     token: Token<'a>,
[INFO] [stdout] 5 |     value: &'a str,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:15:80
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Expression::Identifier(identifier) => identifier.token.identifier().clone(),
[INFO] [stdout]    |                                                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:31:72
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Statement::LetStatement { token, .. } => token.identifier().clone(),
[INFO] [stdout]    |                                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "d6f0219ac93035fa335ca74cd04f8e844865e4703ff50f967413b10fd0c5c83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f0219ac93035fa335ca74cd04f8e844865e4703ff50f967413b10fd0c5c83b", kill_on_drop: false }`
[INFO] [stdout] d6f0219ac93035fa335ca74cd04f8e844865e4703ff50f967413b10fd0c5c83b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f8b51defc778383ca38fc662313cc65a003a9653fcdebe82fab4d0e6a8c424e
[INFO] running `Command { std: "docker" "start" "-a" "5f8b51defc778383ca38fc662313cc65a003a9653fcdebe82fab4d0e6a8c424e", kill_on_drop: false }`
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/ast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Identifier<'a> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     token: Token<'a>,
[INFO] [stdout] 5 |     value: &'a str,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:15:80
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Expression::Identifier(identifier) => identifier.token.identifier().clone(),
[INFO] [stdout]    |                                                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:31:72
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Statement::LetStatement { token, .. } => token.identifier().clone(),
[INFO] [stdout]    |                                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling monkey-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/ast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Identifier<'a> {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     token: Token<'a>,
[INFO] [stdout] 5 |     value: &'a str,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:15:80
[INFO] [stdout]    |
[INFO] [stdout] 15 |             Expression::Identifier(identifier) => identifier.token.identifier().clone(),
[INFO] [stdout]    |                                                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/ast.rs:31:72
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Statement::LetStatement { token, .. } => token.identifier().clone(),
[INFO] [stdout]    |                                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "5f8b51defc778383ca38fc662313cc65a003a9653fcdebe82fab4d0e6a8c424e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8b51defc778383ca38fc662313cc65a003a9653fcdebe82fab4d0e6a8c424e", kill_on_drop: false }`
[INFO] [stdout] 5f8b51defc778383ca38fc662313cc65a003a9653fcdebe82fab4d0e6a8c424e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e76999a4ba3688d7db006d950d9bddb1b1469ea617aa21d10fa8b5b068af9e3b
[INFO] running `Command { std: "docker" "start" "-a" "e76999a4ba3688d7db006d950d9bddb1b1469ea617aa21d10fa8b5b068af9e3b", kill_on_drop: false }`
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]  --> src/ast.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Identifier<'a> {
[INFO] [stderr]   |            ---------- field in this struct
[INFO] [stderr] 4 |     token: Token<'a>,
[INFO] [stderr] 5 |     value: &'a str,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/ast.rs:15:80
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Expression::Identifier(identifier) => identifier.token.identifier().clone(),
[INFO] [stderr]    |                                                                                ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/ast.rs:31:72
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Statement::LetStatement { token, .. } => token.identifier().clone(),
[INFO] [stderr]    |                                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr] 
[INFO] [stderr] warning: `monkey-rs` (lib) generated 3 warnings (run `cargo fix --lib -p monkey-rs` to apply 2 suggestions)
[INFO] [stderr] warning: `monkey-rs` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/monkey_rs-fb16808840e4eb57)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test lexer::tests::test_iter ... ok
[INFO] [stdout] test lexer::tests::test_next_monkey_example ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test lexer::tests::test_next_token_int ... ok
[INFO] [stdout] test lexer::tests::test_next_monkey_example_extra_keywords ... ok
[INFO] [stdout] test lexer::tests::test_next_monkey_example_invalid_syntax ... ok
[INFO] [stdout] test lexer::tests::test_next_monkey_example_extra_keywords_2 ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- parser::tests::test_let_statements stdout ----
[INFO] [stdout] thread 'parser::tests::test_let_statements' panicked at src/parser.rs:43:13:
[INFO] [stdout] program.statements does not contain 3 statements. Got=0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e500e38af6 - std::backtrace_rs::backtrace::libunwind::trace::h140b6deb6a45c671
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55e500e38af6 - std::backtrace_rs::backtrace::trace_unsynchronized::h8450d7e4e9219aed
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55e500e38af6 - std::sys_common::backtrace::_print_fmt::hbd28e5e6c6fc3a3f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55e500e38af6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb058f285768cf98e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55e500e61770 - core::fmt::rt::Argument::fmt::h87dec7a95127da24
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55e500e61770 - core::fmt::write::h873f89a91a4832db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55e500e3634f - std::io::Write::write_fmt::h90f651e9e694a4bb
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/io/mod.rs:1846:15
[INFO] [stdout]    7:     0x55e500e388d4 - std::sys_common::backtrace::_print::h7719d1529d9a9e13
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55e500e388d4 - std::sys_common::backtrace::print::haa3afbd0e7947108
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55e500e3a647 - std::panicking::default_hook::{{closure}}::h10e3de2ec0eaff22
[INFO] [stdout]   10:     0x55e500e3a32d - std::panicking::default_hook::hbdc1b1b7fe073dab
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55e500e0a217 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h20f7887d7cd0a330
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55e500e0a217 - test::test_main::{{closure}}::hc125a615957b5cb1
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55e500e3ac66 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h8c19e0590f8443c4
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55e500e3ac66 - std::panicking::rust_panic_with_hook::hb81692602460473d
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:785:13
[INFO] [stdout]   15:     0x55e500e3a9b2 - std::panicking::begin_panic_handler::{{closure}}::h2470593aa2678e9c
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:659:13
[INFO] [stdout]   16:     0x55e500e38ff6 - std::sys_common::backtrace::__rust_end_short_backtrace::h560bb50225b0562b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55e500e3a704 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:647:5
[INFO] [stdout]   18:     0x55e500dc9775 - core::panicking::panic_fmt::h29b6f262f6458dc3
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55e500dcf635 - monkey_rs::parser::tests::test_let_statements::hc0eaa2266f6207e9
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:43:13
[INFO] [stdout]   20:     0x55e500dcf4a7 - monkey_rs::parser::tests::test_let_statements::{{closure}}::h243cecb31baf6f49
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser.rs:36:29
[INFO] [stdout]   21:     0x55e500dcac86 - core::ops::function::FnOnce::call_once::h8bc909704a9c5a06
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x55e500e0fe0f - core::ops::function::FnOnce::call_once::h692fe6f34484199f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x55e500e0fe0f - test::__rust_begin_short_backtrace::h48b62e76bd60e2de
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:621:18
[INFO] [stdout]   24:     0x55e500e0ec31 - test::run_test_in_process::{{closure}}::h1c68597526ef43db
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:60
[INFO] [stdout]   25:     0x55e500e0ec31 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcae98092997f976b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x55e500e0ec31 - std::panicking::try::do_call::h8d1548c2f5bb535a
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   27:     0x55e500e0ec31 - std::panicking::try::hbb7a2054f484688e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   28:     0x55e500e0ec31 - std::panic::catch_unwind::h696d12d9d80497c2
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x55e500e0ec31 - test::run_test_in_process::h053367a7217c825b
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:644:27
[INFO] [stdout]   30:     0x55e500e0ec31 - test::run_test::{{closure}}::hfa524e9fabcba78e
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:567:43
[INFO] [stdout]   31:     0x55e500dd6096 - test::run_test::{{closure}}::h2c4d0bb741ef7f9f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/test/src/lib.rs:595:41
[INFO] [stdout]   32:     0x55e500dd6096 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0d2c708415550075
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   33:     0x55e500ddb057 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h76e2635840d7293f
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   34:     0x55e500ddb057 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::haa640b67a810a214
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x55e500ddb057 - std::panicking::try::do_call::h41892e3bc2807ab5
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:554:40
[INFO] [stdout]   36:     0x55e500ddb057 - std::panicking::try::h861a16d180681c80
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panicking.rs:518:19
[INFO] [stdout]   37:     0x55e500ddb057 - std::panic::catch_unwind::h8195f9064b1509fa
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/panic.rs:142:14
[INFO] [stdout]   38:     0x55e500ddb057 - std::thread::Builder::spawn_unchecked_::{{closure}}::h73cc419da1217371
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   39:     0x55e500ddb057 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h79dc6499ff073b09
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x55e500e3f005 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha718e8cdc51a5182
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   41:     0x55e500e3f005 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h86072abc877c5474
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x55e500e3f005 - std::sys::pal::unix::thread::Thread::new::thread_start::hac4056197c365894
[INFO] [stdout]                                at /rustc/f2048098a1ca42a520e7bed68e321a66edc0a1b1/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stdout]   43:     0x7f6cd7d1dac3 - <unknown>
[INFO] [stdout]   44:     0x7f6cd7daebf4 - __clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parser::tests::test_let_statements
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "e76999a4ba3688d7db006d950d9bddb1b1469ea617aa21d10fa8b5b068af9e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76999a4ba3688d7db006d950d9bddb1b1469ea617aa21d10fa8b5b068af9e3b", kill_on_drop: false }`
[INFO] [stdout] e76999a4ba3688d7db006d950d9bddb1b1469ea617aa21d10fa8b5b068af9e3b
