[INFO] cloning repository https://github.com/sakai-ryota/monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sakai-ryota/monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakai-ryota%2Fmonkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakai-ryota%2Fmonkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36790159bea995538779dea6213e224e30ca43e1
[INFO] testing sakai-ryota/monkey against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsakai-ryota%2Fmonkey" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sakai-ryota/monkey on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sakai-ryota/monkey
[INFO] finished tweaking git repo https://github.com/sakai-ryota/monkey
[INFO] tweaked toml for git repo https://github.com/sakai-ryota/monkey written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/sakai-ryota/monkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a3ed62cbb16dd3ebf13b06e3db4f0d2f940a1e67f848ae85e5e9316a1555194
[INFO] running `Command { std: "docker" "start" "-a" "2a3ed62cbb16dd3ebf13b06e3db4f0d2f940a1e67f848ae85e5e9316a1555194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a3ed62cbb16dd3ebf13b06e3db4f0d2f940a1e67f848ae85e5e9316a1555194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3ed62cbb16dd3ebf13b06e3db4f0d2f940a1e67f848ae85e5e9316a1555194", kill_on_drop: false }`
[INFO] [stdout] 2a3ed62cbb16dd3ebf13b06e3db4f0d2f940a1e67f848ae85e5e9316a1555194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bd0756e460d4ea6b263a58f7ff96f9648f6adcd9bef28bb349a4550540ad5ab
[INFO] running `Command { std: "docker" "start" "-a" "3bd0756e460d4ea6b263a58f7ff96f9648f6adcd9bef28bb349a4550540ad5ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             '1' ... '9' => return self.read_number(),
[INFO] [stdout]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     statements: Vec<Box<Statement>>
[INFO] [stdout]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let stmts : Vec<Box<Statement>> = Vec::new();
[INFO] [stdout]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:32:41
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get(&self, i: usize) -> &Box<Statement> {
[INFO] [stdout]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     value   : Box<Expression>,
[INFO] [stdout]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::Lexer`
[INFO] [stdout]  --> src/parser_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lexer::Lexer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::Parser`
[INFO] [stdout]  --> src/parser_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parser::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser_test.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ast::Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/parser_test.rs:33:51
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut p = ast::Program::new();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/ast.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     value   : Box<Expression>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_let_statement`
[INFO] [stdout]   --> src/parser_test.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "3bd0756e460d4ea6b263a58f7ff96f9648f6adcd9bef28bb349a4550540ad5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd0756e460d4ea6b263a58f7ff96f9648f6adcd9bef28bb349a4550540ad5ab", kill_on_drop: false }`
[INFO] [stdout] 3bd0756e460d4ea6b263a58f7ff96f9648f6adcd9bef28bb349a4550540ad5ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b93f5b8bae696a020e67280d13ca5fe071edf5afeb7d054bf0411417f562753
[INFO] running `Command { std: "docker" "start" "-a" "9b93f5b8bae696a020e67280d13ca5fe071edf5afeb7d054bf0411417f562753", kill_on_drop: false }`
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             '1' ... '9' => return self.read_number(),
[INFO] [stdout]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     statements: Vec<Box<Statement>>
[INFO] [stdout]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let stmts : Vec<Box<Statement>> = Vec::new();
[INFO] [stdout]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:32:41
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get(&self, i: usize) -> &Box<Statement> {
[INFO] [stdout]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     value   : Box<Expression>,
[INFO] [stdout]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::Lexer`
[INFO] [stdout]  --> src/parser_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lexer::Lexer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::Parser`
[INFO] [stdout]  --> src/parser_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parser::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser_test.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ast::Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/parser_test.rs:33:51
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut p = ast::Program::new();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/ast.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     value   : Box<Expression>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_let_statement`
[INFO] [stdout]   --> src/parser_test.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |             '1' ... '9' => return self.read_number(),
[INFO] [stdout]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     statements: Vec<Box<Statement>>
[INFO] [stdout]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let stmts : Vec<Box<Statement>> = Vec::new();
[INFO] [stdout]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:32:41
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get(&self, i: usize) -> &Box<Statement> {
[INFO] [stdout]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     value   : Box<Expression>,
[INFO] [stdout]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser_test.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ast::Statement`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/parser_test.rs:33:51
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut p = ast::Program::new();
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/ast.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     value   : Box<Expression>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "9b93f5b8bae696a020e67280d13ca5fe071edf5afeb7d054bf0411417f562753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b93f5b8bae696a020e67280d13ca5fe071edf5afeb7d054bf0411417f562753", kill_on_drop: false }`
[INFO] [stdout] 9b93f5b8bae696a020e67280d13ca5fe071edf5afeb7d054bf0411417f562753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c0de0870e2c07d891a7f512329e156e1352ece56cfe30c17bf7598df8c5645d
[INFO] running `Command { std: "docker" "start" "-a" "3c0de0870e2c07d891a7f512329e156e1352ece56cfe30c17bf7598df8c5645d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/lexer.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             '1' ... '9' => return self.read_number(),
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     statements: Vec<Box<Statement>>
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let stmts : Vec<Box<Statement>> = Vec::new();
[INFO] [stderr]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get(&self, i: usize) -> &Box<Statement> {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     value   : Box<Expression>,
[INFO] [stderr]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::lexer::Lexer`
[INFO] [stderr]  --> src/parser_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::lexer::Lexer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::parser::Parser`
[INFO] [stderr]  --> src/parser_test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::parser::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser_test.rs:33:34
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ast::Statement`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/parser_test.rs:33:51
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stderr]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut p = ast::Program::new();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/ast.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     value   : Box<Expression>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_let_statement`
[INFO] [stderr]   --> src/parser_test.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             '1' ... '9' => return self.read_number(),
[INFO] [stderr]    |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:19:25
[INFO] [stderr]    |
[INFO] [stderr] 19 |     statements: Vec<Box<Statement>>
[INFO] [stderr]    |                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let stmts : Vec<Box<Statement>> = Vec::new();
[INFO] [stderr]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn get(&self, i: usize) -> &Box<Statement> {
[INFO] [stderr]    |                                         ^^^^^^^^^ help: use `dyn`: `dyn Statement`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     value   : Box<Expression>,
[INFO] [stderr]    |                   ^^^^^^^^^^ help: use `dyn`: `dyn Expression`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser_test.rs:33:34
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ast::Statement`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/parser_test.rs:33:51
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn test_let_statement(stmt: &Box<ast::Statement>, name: &'static str) {
[INFO] [stderr]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut p = ast::Program::new();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/ast.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     value   : Box<Expression>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/monkey-be1916b0785ed977)
[INFO] [stdout] test parser_test::test_let_statements ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- parser_test::test_let_statements stdout ----
[INFO] [stdout] thread 'parser_test::test_let_statements' panicked at 'program.statements does not contein 3 statements, got 0', src/parser_test.rs:18:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x560eb1d0bcf0 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x560eb1d0bcf0 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x560eb1d0bcf0 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x560eb1d0bcf0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x560eb1d2e4ec - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x560eb1d08c15 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x560eb1d0de5b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x560eb1d0de5b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x560eb1d0de5b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x560eb1d0d96c - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x560eb1d0e524 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x560eb1d0e007 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x560eb1d0c1ec - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x560eb1d0df69 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x560eb1ca4f2b - std::panicking::begin_panic_fmt::h5479575e112541f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:457:5
[INFO] [stdout]   15:     0x560eb1cad1ef - monkey::parser_test::test_let_statements::hd9b4c1793c1bfd6e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser_test.rs:18:9
[INFO] [stdout]   16:     0x560eb1caceea - monkey::parser_test::test_let_statements::{{closure}}::h0d766ff4da08df9c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser_test.rs:6:1
[INFO] [stdout]   17:     0x560eb1cae8de - core::ops::function::FnOnce::call_once::h32257ef35062dcb5
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   18:     0x560eb1ce31f3 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x560eb1ce31f3 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   20:     0x560eb1ce1cb0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   21:     0x560eb1ce1cb0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   22:     0x560eb1ce1cb0 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   23:     0x560eb1ce1cb0 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   24:     0x560eb1ce1cb0 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   25:     0x560eb1ce1cb0 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   26:     0x560eb1ce1cb0 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   27:     0x560eb1cbb362 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   28:     0x560eb1cbb362 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   29:     0x560eb1cbef18 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   30:     0x560eb1cbef18 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   31:     0x560eb1cbef18 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   32:     0x560eb1cbef18 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   33:     0x560eb1cbef18 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   34:     0x560eb1cbef18 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   35:     0x560eb1cbef18 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   36:     0x560eb1d12fe7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   37:     0x560eb1d12fe7 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   38:     0x560eb1d12fe7 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   39:     0x7f59a12ab609 - start_thread
[INFO] [stdout]   40:     0x7f59a107d293 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parser_test::test_let_statements
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3c0de0870e2c07d891a7f512329e156e1352ece56cfe30c17bf7598df8c5645d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0de0870e2c07d891a7f512329e156e1352ece56cfe30c17bf7598df8c5645d", kill_on_drop: false }`
[INFO] [stdout] 3c0de0870e2c07d891a7f512329e156e1352ece56cfe30c17bf7598df8c5645d
