[INFO] cloning repository https://github.com/Michael0x2a/impo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michael0x2a/impo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael0x2a%2Fimpo"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael0x2a%2Fimpo'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8a49d12d09be2b0e4f97419d7165a8a79dd845cd
[INFO] testing Michael0x2a/impo against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael0x2a%2Fimpo" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michael0x2a/impo 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/Michael0x2a/impo
[INFO] finished tweaking git repo https://github.com/Michael0x2a/impo
[INFO] tweaked toml for git repo https://github.com/Michael0x2a/impo written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Michael0x2a/impo 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 247b8ff39b1078d9f6e1683e0d590d7258096a0aff7ea8e8a9688558bf082c22
[INFO] running `"docker" "start" "-a" "247b8ff39b1078d9f6e1683e0d590d7258096a0aff7ea8e8a9688558bf082c22"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling impo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser/tokens.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 | /         (self.token_type == TokenType::Comment
[INFO] [stderr] 96 | |             || self.token_type == TokenType::Whitespace)
[INFO] [stderr]    | |________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 95 |         self.token_type == TokenType::Comment
[INFO] [stderr] 96 |             || self.token_type == TokenType::Whitespace
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 | /         (self.token_type == TokenType::EqualEqual
[INFO] [stderr] 101 | |             || self.token_type == TokenType::BangEqual)
[INFO] [stderr]     | |_______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 100 |         self.token_type == TokenType::EqualEqual
[INFO] [stderr] 101 |             || self.token_type == TokenType::BangEqual
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 | /         (self.token_type == TokenType::Greater
[INFO] [stderr] 106 | |             || self.token_type == TokenType::GreaterEqual
[INFO] [stderr] 107 | |             || self.token_type == TokenType::Less
[INFO] [stderr] 108 | |             || self.token_type == TokenType::LessEqual)
[INFO] [stderr]     | |_______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 105 |         self.token_type == TokenType::Greater
[INFO] [stderr] 106 |             || self.token_type == TokenType::GreaterEqual
[INFO] [stderr] 107 |             || self.token_type == TokenType::Less
[INFO] [stderr] 108 |             || self.token_type == TokenType::LessEqual
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 | /         (self.token_type == TokenType::Plus
[INFO] [stderr] 113 | |             || self.token_type == TokenType::Minus)
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.token_type == TokenType::Plus
[INFO] [stderr] 113 |             || self.token_type == TokenType::Minus
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 | /         (self.token_type == TokenType::Star
[INFO] [stderr] 118 | |             || self.token_type == TokenType::Slash
[INFO] [stderr] 119 | |             || self.token_type == TokenType::SlashSlash
[INFO] [stderr] 120 | |             || self.token_type == TokenType::Percent)
[INFO] [stderr]     | |_____________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 117 |         self.token_type == TokenType::Star
[INFO] [stderr] 118 |             || self.token_type == TokenType::Slash
[INFO] [stderr] 119 |             || self.token_type == TokenType::SlashSlash
[INFO] [stderr] 120 |             || self.token_type == TokenType::Percent
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 | /         (self.token_type == TokenType::Bang
[INFO] [stderr] 125 | |             || self.token_type == TokenType::Minus)
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 124 |         self.token_type == TokenType::Bang
[INFO] [stderr] 125 |             || self.token_type == TokenType::Minus
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/typecheck/infer.rs:131:45
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn is_one_of(typ: ImpoType, matchers: &Vec<&Fn(ImpoType) -> bool>) -> bool
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ImpoType) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/interpreter.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |              int_op: &Fn(i64, i64) -> i64,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i64, i64) -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/interpreter.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |              float_op: &Fn(f64, f64) -> f64) -> Result<Value, ImpoError> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/typed.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pool: &'a ReadOnlyStringPool,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadOnlyStringPool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/typed.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new(pool: &'a ReadOnlyStringPool) -> TypedNodeToStrVisitor<'a> {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadOnlyStringPool`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.55s
[INFO] running `"docker" "inspect" "247b8ff39b1078d9f6e1683e0d590d7258096a0aff7ea8e8a9688558bf082c22"`
[INFO] running `"docker" "rm" "-f" "247b8ff39b1078d9f6e1683e0d590d7258096a0aff7ea8e8a9688558bf082c22"`
[INFO] [stdout] 247b8ff39b1078d9f6e1683e0d590d7258096a0aff7ea8e8a9688558bf082c22
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 1f08eb20de234144783cd690840ca280e11c32a41a6c4ce7138ea218f97e027b
[INFO] running `"docker" "start" "-a" "1f08eb20de234144783cd690840ca280e11c32a41a6c4ce7138ea218f97e027b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling impo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser/tokens.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 | /         (self.token_type == TokenType::Comment
[INFO] [stderr] 96 | |             || self.token_type == TokenType::Whitespace)
[INFO] [stderr]    | |________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 95 |         self.token_type == TokenType::Comment
[INFO] [stderr] 96 |             || self.token_type == TokenType::Whitespace
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 | /         (self.token_type == TokenType::EqualEqual
[INFO] [stderr] 101 | |             || self.token_type == TokenType::BangEqual)
[INFO] [stderr]     | |_______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 100 |         self.token_type == TokenType::EqualEqual
[INFO] [stderr] 101 |             || self.token_type == TokenType::BangEqual
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 | /         (self.token_type == TokenType::Greater
[INFO] [stderr] 106 | |             || self.token_type == TokenType::GreaterEqual
[INFO] [stderr] 107 | |             || self.token_type == TokenType::Less
[INFO] [stderr] 108 | |             || self.token_type == TokenType::LessEqual)
[INFO] [stderr]     | |_______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 105 |         self.token_type == TokenType::Greater
[INFO] [stderr] 106 |             || self.token_type == TokenType::GreaterEqual
[INFO] [stderr] 107 |             || self.token_type == TokenType::Less
[INFO] [stderr] 108 |             || self.token_type == TokenType::LessEqual
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 | /         (self.token_type == TokenType::Plus
[INFO] [stderr] 113 | |             || self.token_type == TokenType::Minus)
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.token_type == TokenType::Plus
[INFO] [stderr] 113 |             || self.token_type == TokenType::Minus
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 | /         (self.token_type == TokenType::Star
[INFO] [stderr] 118 | |             || self.token_type == TokenType::Slash
[INFO] [stderr] 119 | |             || self.token_type == TokenType::SlashSlash
[INFO] [stderr] 120 | |             || self.token_type == TokenType::Percent)
[INFO] [stderr]     | |_____________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 117 |         self.token_type == TokenType::Star
[INFO] [stderr] 118 |             || self.token_type == TokenType::Slash
[INFO] [stderr] 119 |             || self.token_type == TokenType::SlashSlash
[INFO] [stderr] 120 |             || self.token_type == TokenType::Percent
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 | /         (self.token_type == TokenType::Bang
[INFO] [stderr] 125 | |             || self.token_type == TokenType::Minus)
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 124 |         self.token_type == TokenType::Bang
[INFO] [stderr] 125 |             || self.token_type == TokenType::Minus
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/typecheck/infer.rs:131:45
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn is_one_of(typ: ImpoType, matchers: &Vec<&Fn(ImpoType) -> bool>) -> bool
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ImpoType) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/interpreter.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |              int_op: &Fn(i64, i64) -> i64,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i64, i64) -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/interpreter.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |              float_op: &Fn(f64, f64) -> f64) -> Result<Value, ImpoError> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/typed.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pool: &'a ReadOnlyStringPool,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadOnlyStringPool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/typed.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new(pool: &'a ReadOnlyStringPool) -> TypedNodeToStrVisitor<'a> {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadOnlyStringPool`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser/tokens.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 | /         (self.token_type == TokenType::Comment
[INFO] [stderr] 96 | |             || self.token_type == TokenType::Whitespace)
[INFO] [stderr]    | |________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 95 |         self.token_type == TokenType::Comment
[INFO] [stderr] 96 |             || self.token_type == TokenType::Whitespace
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 | /         (self.token_type == TokenType::EqualEqual
[INFO] [stderr] 101 | |             || self.token_type == TokenType::BangEqual)
[INFO] [stderr]     | |_______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 100 |         self.token_type == TokenType::EqualEqual
[INFO] [stderr] 101 |             || self.token_type == TokenType::BangEqual
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 | /         (self.token_type == TokenType::Greater
[INFO] [stderr] 106 | |             || self.token_type == TokenType::GreaterEqual
[INFO] [stderr] 107 | |             || self.token_type == TokenType::Less
[INFO] [stderr] 108 | |             || self.token_type == TokenType::LessEqual)
[INFO] [stderr]     | |_______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 105 |         self.token_type == TokenType::Greater
[INFO] [stderr] 106 |             || self.token_type == TokenType::GreaterEqual
[INFO] [stderr] 107 |             || self.token_type == TokenType::Less
[INFO] [stderr] 108 |             || self.token_type == TokenType::LessEqual
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 | /         (self.token_type == TokenType::Plus
[INFO] [stderr] 113 | |             || self.token_type == TokenType::Minus)
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.token_type == TokenType::Plus
[INFO] [stderr] 113 |             || self.token_type == TokenType::Minus
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 | /         (self.token_type == TokenType::Star
[INFO] [stderr] 118 | |             || self.token_type == TokenType::Slash
[INFO] [stderr] 119 | |             || self.token_type == TokenType::SlashSlash
[INFO] [stderr] 120 | |             || self.token_type == TokenType::Percent)
[INFO] [stderr]     | |_____________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 117 |         self.token_type == TokenType::Star
[INFO] [stderr] 118 |             || self.token_type == TokenType::Slash
[INFO] [stderr] 119 |             || self.token_type == TokenType::SlashSlash
[INFO] [stderr] 120 |             || self.token_type == TokenType::Percent
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 | /         (self.token_type == TokenType::Bang
[INFO] [stderr] 125 | |             || self.token_type == TokenType::Minus)
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 124 |         self.token_type == TokenType::Bang
[INFO] [stderr] 125 |             || self.token_type == TokenType::Minus
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/typecheck/infer.rs:131:45
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn is_one_of(typ: ImpoType, matchers: &Vec<&Fn(ImpoType) -> bool>) -> bool
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ImpoType) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/interpreter.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |              int_op: &Fn(i64, i64) -> i64,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i64, i64) -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/interpreter.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |              float_op: &Fn(f64, f64) -> f64) -> Result<Value, ImpoError> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/typed.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pool: &'a ReadOnlyStringPool,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadOnlyStringPool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/typed.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new(pool: &'a ReadOnlyStringPool) -> TypedNodeToStrVisitor<'a> {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadOnlyStringPool`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "1f08eb20de234144783cd690840ca280e11c32a41a6c4ce7138ea218f97e027b"`
[INFO] running `"docker" "rm" "-f" "1f08eb20de234144783cd690840ca280e11c32a41a6c4ce7138ea218f97e027b"`
[INFO] [stdout] 1f08eb20de234144783cd690840ca280e11c32a41a6c4ce7138ea218f97e027b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3e8b5560ecf963f98078fe15d4d389a6ba9919529b1997093dbc1ddba25d6247
[INFO] running `"docker" "start" "-a" "3e8b5560ecf963f98078fe15d4d389a6ba9919529b1997093dbc1ddba25d6247"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser/tokens.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 | /         (self.token_type == TokenType::Comment
[INFO] [stderr] 96 | |             || self.token_type == TokenType::Whitespace)
[INFO] [stderr]    | |________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 95 |         self.token_type == TokenType::Comment
[INFO] [stderr] 96 |             || self.token_type == TokenType::Whitespace
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 | /         (self.token_type == TokenType::EqualEqual
[INFO] [stderr] 101 | |             || self.token_type == TokenType::BangEqual)
[INFO] [stderr]     | |_______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 100 |         self.token_type == TokenType::EqualEqual
[INFO] [stderr] 101 |             || self.token_type == TokenType::BangEqual
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 | /         (self.token_type == TokenType::Greater
[INFO] [stderr] 106 | |             || self.token_type == TokenType::GreaterEqual
[INFO] [stderr] 107 | |             || self.token_type == TokenType::Less
[INFO] [stderr] 108 | |             || self.token_type == TokenType::LessEqual)
[INFO] [stderr]     | |_______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 105 |         self.token_type == TokenType::Greater
[INFO] [stderr] 106 |             || self.token_type == TokenType::GreaterEqual
[INFO] [stderr] 107 |             || self.token_type == TokenType::Less
[INFO] [stderr] 108 |             || self.token_type == TokenType::LessEqual
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 | /         (self.token_type == TokenType::Plus
[INFO] [stderr] 113 | |             || self.token_type == TokenType::Minus)
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.token_type == TokenType::Plus
[INFO] [stderr] 113 |             || self.token_type == TokenType::Minus
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 | /         (self.token_type == TokenType::Star
[INFO] [stderr] 118 | |             || self.token_type == TokenType::Slash
[INFO] [stderr] 119 | |             || self.token_type == TokenType::SlashSlash
[INFO] [stderr] 120 | |             || self.token_type == TokenType::Percent)
[INFO] [stderr]     | |_____________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 117 |         self.token_type == TokenType::Star
[INFO] [stderr] 118 |             || self.token_type == TokenType::Slash
[INFO] [stderr] 119 |             || self.token_type == TokenType::SlashSlash
[INFO] [stderr] 120 |             || self.token_type == TokenType::Percent
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 | /         (self.token_type == TokenType::Bang
[INFO] [stderr] 125 | |             || self.token_type == TokenType::Minus)
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 124 |         self.token_type == TokenType::Bang
[INFO] [stderr] 125 |             || self.token_type == TokenType::Minus
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/typecheck/infer.rs:131:45
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn is_one_of(typ: ImpoType, matchers: &Vec<&Fn(ImpoType) -> bool>) -> bool
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ImpoType) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/interpreter.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |              int_op: &Fn(i64, i64) -> i64,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i64, i64) -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/interpreter.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |              float_op: &Fn(f64, f64) -> f64) -> Result<Value, ImpoError> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/typed.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pool: &'a ReadOnlyStringPool,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadOnlyStringPool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/typed.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new(pool: &'a ReadOnlyStringPool) -> TypedNodeToStrVisitor<'a> {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadOnlyStringPool`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/parser/tokens.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 | /         (self.token_type == TokenType::Comment
[INFO] [stderr] 96 | |             || self.token_type == TokenType::Whitespace)
[INFO] [stderr]    | |________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 95 |         self.token_type == TokenType::Comment
[INFO] [stderr] 96 |             || self.token_type == TokenType::Whitespace
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 | /         (self.token_type == TokenType::EqualEqual
[INFO] [stderr] 101 | |             || self.token_type == TokenType::BangEqual)
[INFO] [stderr]     | |_______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 100 |         self.token_type == TokenType::EqualEqual
[INFO] [stderr] 101 |             || self.token_type == TokenType::BangEqual
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 | /         (self.token_type == TokenType::Greater
[INFO] [stderr] 106 | |             || self.token_type == TokenType::GreaterEqual
[INFO] [stderr] 107 | |             || self.token_type == TokenType::Less
[INFO] [stderr] 108 | |             || self.token_type == TokenType::LessEqual)
[INFO] [stderr]     | |_______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 105 |         self.token_type == TokenType::Greater
[INFO] [stderr] 106 |             || self.token_type == TokenType::GreaterEqual
[INFO] [stderr] 107 |             || self.token_type == TokenType::Less
[INFO] [stderr] 108 |             || self.token_type == TokenType::LessEqual
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 | /         (self.token_type == TokenType::Plus
[INFO] [stderr] 113 | |             || self.token_type == TokenType::Minus)
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.token_type == TokenType::Plus
[INFO] [stderr] 113 |             || self.token_type == TokenType::Minus
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 | /         (self.token_type == TokenType::Star
[INFO] [stderr] 118 | |             || self.token_type == TokenType::Slash
[INFO] [stderr] 119 | |             || self.token_type == TokenType::SlashSlash
[INFO] [stderr] 120 | |             || self.token_type == TokenType::Percent)
[INFO] [stderr]     | |_____________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 117 |         self.token_type == TokenType::Star
[INFO] [stderr] 118 |             || self.token_type == TokenType::Slash
[INFO] [stderr] 119 |             || self.token_type == TokenType::SlashSlash
[INFO] [stderr] 120 |             || self.token_type == TokenType::Percent
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/parser/tokens.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 | /         (self.token_type == TokenType::Bang
[INFO] [stderr] 125 | |             || self.token_type == TokenType::Minus)
[INFO] [stderr]     | |___________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 124 |         self.token_type == TokenType::Bang
[INFO] [stderr] 125 |             || self.token_type == TokenType::Minus
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/typecheck/infer.rs:131:45
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn is_one_of(typ: ImpoType, matchers: &Vec<&Fn(ImpoType) -> bool>) -> bool
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ImpoType) -> bool`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/interpreter.rs:21:23
[INFO] [stderr]    |
[INFO] [stderr] 21 |              int_op: &Fn(i64, i64) -> i64,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(i64, i64) -> i64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/interpreter.rs:22:25
[INFO] [stderr]    |
[INFO] [stderr] 22 |              float_op: &Fn(f64, f64) -> f64) -> Result<Value, ImpoError> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/typed.rs:29:15
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pool: &'a ReadOnlyStringPool,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadOnlyStringPool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/typed.rs:33:26
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new(pool: &'a ReadOnlyStringPool) -> TypedNodeToStrVisitor<'a> {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ReadOnlyStringPool`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/impo-49c078bc05175ea4
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/impo-10d5106bfce6f626
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests impo
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3e8b5560ecf963f98078fe15d4d389a6ba9919529b1997093dbc1ddba25d6247"`
[INFO] running `"docker" "rm" "-f" "3e8b5560ecf963f98078fe15d4d389a6ba9919529b1997093dbc1ddba25d6247"`
[INFO] [stdout] 3e8b5560ecf963f98078fe15d4d389a6ba9919529b1997093dbc1ddba25d6247