[INFO] cloning repository https://github.com/T-O-R-U-S/ShrimpLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/T-O-R-U-S/ShrimpLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2FShrimpLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2FShrimpLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3f039b1a74fe76e2e1b3f17bc82401142466475
[INFO] checking T-O-R-U-S/ShrimpLang against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-with-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2FShrimpLang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/T-O-R-U-S/ShrimpLang
[INFO] finished tweaking git repo https://github.com/T-O-R-U-S/ShrimpLang
[INFO] tweaked toml for git repo https://github.com/T-O-R-U-S/ShrimpLang written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/T-O-R-U-S/ShrimpLang on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/T-O-R-U-S/ShrimpLang 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.29
[INFO] [stderr]   Downloaded anyhow v1.0.44
[INFO] [stderr]   Downloaded syn v1.0.76
[INFO] [stderr]   Downloaded thiserror v1.0.29
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 172795ddb9f96a2103c2ca2243e60f3cd7151cde3bc2fc71c45841a8fe176864
[INFO] running `Command { std: "docker" "start" "-a" "172795ddb9f96a2103c2ca2243e60f3cd7151cde3bc2fc71c45841a8fe176864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "172795ddb9f96a2103c2ca2243e60f3cd7151cde3bc2fc71c45841a8fe176864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172795ddb9f96a2103c2ca2243e60f3cd7151cde3bc2fc71c45841a8fe176864", kill_on_drop: false }`
[INFO] [stdout] 172795ddb9f96a2103c2ca2243e60f3cd7151cde3bc2fc71c45841a8fe176864
[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=forbid" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1969fb7133b1ec29b260e125d6cd3c99f5fb0a3998484f5b94e4e093511c4cfe
[INFO] running `Command { std: "docker" "start" "-a" "1969fb7133b1ec29b260e125d6cd3c99f5fb0a3998484f5b94e4e093511c4cfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking shrimp_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/main.rs:725:8
[INFO] [stdout]     |
[INFO] [stdout] 725 |             let value = match line.next() {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `any`
[INFO] [stdout]    --> src/main.rs:743:8
[INFO] [stdout]     |
[INFO] [stdout] 743 | ...                   any => bail!(Error::TypeMismatch)
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `any`
[INFO] [stdout]    --> src/main.rs:760:6
[INFO] [stdout]     |
[INFO] [stdout] 760 |                     any => bail!(Error::ParserError)
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `any`
[INFO] [stdout]    --> src/main.rs:764:6
[INFO] [stdout]     |
[INFO] [stdout] 764 |                     any => bail!(Error::TypeMismatch)
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `any`
[INFO] [stdout]    --> src/main.rs:766:5
[INFO] [stdout]     |
[INFO] [stdout] 766 |                 any => bail!(Error::ParserError)
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:908:15
[INFO] [stdout]     |
[INFO] [stdout] 908 | ...                   let mut args = func.arguments.arg_name.iter();
[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: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:908:15
[INFO] [stdout]     |
[INFO] [stdout] 908 | ...                   let mut args = func.arguments.arg_name.iter();
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/main.rs:95:3
[INFO] [stdout]     |
[INFO] [stdout]  82 |   #[derive(Clone, Debug, PartialEq, Eq, Hash)]
[INFO] [stdout]     |                          --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout]  95 | /         fn(
[INFO] [stdout]  96 | |             HashMap<String, Token>,
[INFO] [stdout]  97 | |             std::iter::Peekable<std::vec::IntoIter<Token>>,
[INFO] [stdout]  98 | |             HashMap<String, Function>,
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |             Option<Token>,
[INFO] [stdout] 103 | |         )>,
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/main.rs:725:8
[INFO] [stdout]     |
[INFO] [stdout] 725 |             let value = match line.next() {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `any`
[INFO] [stdout]    --> src/main.rs:743:8
[INFO] [stdout]     |
[INFO] [stdout] 743 | ...                   any => bail!(Error::TypeMismatch)
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `any`
[INFO] [stdout]    --> src/main.rs:760:6
[INFO] [stdout]     |
[INFO] [stdout] 760 |                     any => bail!(Error::ParserError)
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `any`
[INFO] [stdout]    --> src/main.rs:764:6
[INFO] [stdout]     |
[INFO] [stdout] 764 |                     any => bail!(Error::TypeMismatch)
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `any`
[INFO] [stdout]    --> src/main.rs:766:5
[INFO] [stdout]     |
[INFO] [stdout] 766 |                 any => bail!(Error::ParserError)
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:908:15
[INFO] [stdout]     |
[INFO] [stdout] 908 | ...                   let mut args = func.arguments.arg_name.iter();
[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: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:908:15
[INFO] [stdout]     |
[INFO] [stdout] 908 | ...                   let mut args = func.arguments.arg_name.iter();
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]    --> src/main.rs:95:3
[INFO] [stdout]     |
[INFO] [stdout]  82 |   #[derive(Clone, Debug, PartialEq, Eq, Hash)]
[INFO] [stdout]     |                          --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout]  95 | /         fn(
[INFO] [stdout]  96 | |             HashMap<String, Token>,
[INFO] [stdout]  97 | |             std::iter::Peekable<std::vec::IntoIter<Token>>,
[INFO] [stdout]  98 | |             HashMap<String, Function>,
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |             Option<Token>,
[INFO] [stdout] 103 | |         )>,
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the address of the same function can vary between different codegen units
[INFO] [stdout]     = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]     = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]     = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "1969fb7133b1ec29b260e125d6cd3c99f5fb0a3998484f5b94e4e093511c4cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1969fb7133b1ec29b260e125d6cd3c99f5fb0a3998484f5b94e4e093511c4cfe", kill_on_drop: false }`
[INFO] [stdout] 1969fb7133b1ec29b260e125d6cd3c99f5fb0a3998484f5b94e4e093511c4cfe
