[INFO] cloning repository https://github.com/qferbs/brain-lambda
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qferbs/brain-lambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqferbs%2Fbrain-lambda", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqferbs%2Fbrain-lambda'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3942d76a98a20b4a06be98d067f240940255e25
[INFO] testing qferbs/brain-lambda against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqferbs%2Fbrain-lambda" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qferbs/brain-lambda on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qferbs/brain-lambda
[INFO] finished tweaking git repo https://github.com/qferbs/brain-lambda
[INFO] tweaked toml for git repo https://github.com/qferbs/brain-lambda written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/qferbs/brain-lambda already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14799b3652580bf59f26e7bb030a94083c388ec1c903bf3af35626c7e70ce656
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "14799b3652580bf59f26e7bb030a94083c388ec1c903bf3af35626c7e70ce656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14799b3652580bf59f26e7bb030a94083c388ec1c903bf3af35626c7e70ce656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14799b3652580bf59f26e7bb030a94083c388ec1c903bf3af35626c7e70ce656", kill_on_drop: false }`
[INFO] [stdout] 14799b3652580bf59f26e7bb030a94083c388ec1c903bf3af35626c7e70ce656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1bc1831c970ff423af0cffb29a9054b87a5bd0e9d4aed2191fb9c974b64a3473
[INFO] running `Command { std: "docker" "start" "-a" "1bc1831c970ff423af0cffb29a9054b87a5bd0e9d4aed2191fb9c974b64a3473", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]  --> src/compile.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn compile(expr: Expression<u32>) -> Result<(), CompilationError> {
[INFO] [stdout]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bf`
[INFO] [stdout]  --> src/brainfuck_ops.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn to_bf(&self, cur_reg: &mut Register) -> String {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `zero`
[INFO] [stdout]   --> src/brainfuck_ops.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn zero(&self, cur_reg: &mut Register) -> String {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bf_equals`
[INFO] [stdout]   --> src/brainfuck_ops.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn bf_equals(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bf_not_equals`
[INFO] [stdout]   --> src/brainfuck_ops.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn bf_not_equals(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bf_equality`
[INFO] [stdout]   --> src/brainfuck_ops.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn bf_equality(
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bf_equals_const`
[INFO] [stdout]    --> src/brainfuck_ops.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn bf_equals_const(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bf_not_equals_const`
[INFO] [stdout]    --> src/brainfuck_ops.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn bf_not_equals_const(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bf_equality_const`
[INFO] [stdout]    --> src/brainfuck_ops.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn bf_equality_const(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bf_expand_const`
[INFO] [stdout]    --> src/brainfuck_ops.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub fn bf_expand_const(c: i32) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compile`
[INFO] [stdout]  --> src/compile.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn compile(expr: Expression<u32>) -> Result<(), CompilationError> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Variable`
[INFO] [stdout]  --> src/expression.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Variable(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Literal`
[INFO] [stdout]  --> src/expression.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Literal(V),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FuncArgs`
[INFO] [stdout]  --> src/expression.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     FuncArgs(Box<[&'a str]>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/expression.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     Function {
[INFO] [stdout] 8  | |         vars: Box<[&'a str]>,
[INFO] [stdout] 9  | |         lambda_term: Box<Expression<'a, V>>,
[INFO] [stdout] 10 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Operator`
[INFO] [stdout]   --> src/expression.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     Operator {
[INFO] [stdout] 12 | |         tok: &'a str,
[INFO] [stdout] 13 | |         op: Box<dyn Fn(V, V) -> V>,
[INFO] [stdout] 14 | |         lhs_expr: Box<Expression<'a, V>>,
[INFO] [stdout] 15 | |         rhs_expr: Box<Expression<'a, V>>,
[INFO] [stdout] 16 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Application`
[INFO] [stdout]   --> src/expression.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     Application {
[INFO] [stdout] 18 | |         func: Box<Expression<'a, V>>,
[INFO] [stdout] 19 | |         inputs: Vec<Expression<'a, V>>,
[INFO] [stdout] 20 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEP`
[INFO] [stdout]   --> src/parsing.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |               const $i: $t = &[$($x),+];
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 | / comb_const! {
[INFO] [stdout] 29 | |     SEP_AND_OP, &[char];
[INFO] [stdout] 30 | |     SEP, '{', '}','(',')';
[INFO] [stdout] 31 | |     OP, '+', '-', '/', '*';
[INFO] [stdout] 32 | |     WHITESPACE, ' ', '\r', '\n', '\t';
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OP`
[INFO] [stdout]   --> src/parsing.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |               const $i: $t = &[$($x),+];
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 | / comb_const! {
[INFO] [stdout] 29 | |     SEP_AND_OP, &[char];
[INFO] [stdout] 30 | |     SEP, '{', '}','(',')';
[INFO] [stdout] 31 | |     OP, '+', '-', '/', '*';
[INFO] [stdout] 32 | |     WHITESPACE, ' ', '\r', '\n', '\t';
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITESPACE`
[INFO] [stdout]   --> src/parsing.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |               const $i: $t = &[$($x),+];
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 | / comb_const! {
[INFO] [stdout] 29 | |     SEP_AND_OP, &[char];
[INFO] [stdout] 30 | |     SEP, '{', '}','(',')';
[INFO] [stdout] 31 | |     OP, '+', '-', '/', '*';
[INFO] [stdout] 32 | |     WHITESPACE, ' ', '\r', '\n', '\t';
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SEP_AND_OP`
[INFO] [stdout]   --> src/parsing.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |           const $a: $t = &[$($($x),+),+];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 | / comb_const! {
[INFO] [stdout] 29 | |     SEP_AND_OP, &[char];
[INFO] [stdout] 30 | |     SEP, '{', '}','(',')';
[INFO] [stdout] 31 | |     OP, '+', '-', '/', '*';
[INFO] [stdout] 32 | |     WHITESPACE, ' ', '\r', '\n', '\t';
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/parsing.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Var(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Key`
[INFO] [stdout]   --> src/parsing.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Key(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sep`
[INFO] [stdout]   --> src/parsing.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Sep(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Op`
[INFO] [stdout]   --> src/parsing.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Op(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lit`
[INFO] [stdout]   --> src/parsing.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Lit(&'a str),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FuncBody`
[INFO] [stdout]   --> src/parsing.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     FuncBody,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/parsing.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expr`
[INFO] [stdout]   --> src/parsing.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Expr, // generic
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_token`
[INFO] [stdout]   --> src/parsing.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn get_token(string: &str) -> Result<Token, TokenError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lex`
[INFO] [stdout]   --> src/parsing.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn lex(string: &str) -> Result<Vec<Token>, TokenError> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/parsing.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn parse<'a>(
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_tree`
[INFO] [stdout]   --> src/parsing.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn parse_tree<'a>(
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_expr`
[INFO] [stdout]    --> src/parsing.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn parse_expr<'a>(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_op`
[INFO] [stdout]    --> src/parsing.rs:214:4
[INFO] [stdout]     |
[INFO] [stdout] 214 | fn get_op(op: &Token) -> Result<Box<dyn Fn(u32, u32) -> u32>, ParsingError> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_func_args`
[INFO] [stdout]    --> src/parsing.rs:226:4
[INFO] [stdout]     |
[INFO] [stdout] 226 | fn get_func_args<'a>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/parsing.rs:262:12
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn new(value: V, children: Vec<Tree<V>>) -> Tree<V> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_debug_annotation`
[INFO] [stdout]   --> src/utils/compile_debug.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn parse_debug_annotation(lit: &str, cur_reg: &mut i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/utils/split.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(string: &'a str, pattern: &'a [char]) -> Spliterator<'a> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "1bc1831c970ff423af0cffb29a9054b87a5bd0e9d4aed2191fb9c974b64a3473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bc1831c970ff423af0cffb29a9054b87a5bd0e9d4aed2191fb9c974b64a3473", kill_on_drop: false }`
[INFO] [stdout] 1bc1831c970ff423af0cffb29a9054b87a5bd0e9d4aed2191fb9c974b64a3473
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bc7103d70aebcf95e9b92a98399d10b25fd984951cd26a5164596540d26fbaa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0bc7103d70aebcf95e9b92a98399d10b25fd984951cd26a5164596540d26fbaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]  --> src/compile.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn compile(expr: Expression<u32>) -> Result<(), CompilationError> {
[INFO] [stdout]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compile`
[INFO] [stdout]  --> src/compile.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn compile(expr: Expression<u32>) -> Result<(), CompilationError> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_debug_annotation`
[INFO] [stdout]   --> src/utils/compile_debug.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn parse_debug_annotation(lit: &str, cur_reg: &mut i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "0bc7103d70aebcf95e9b92a98399d10b25fd984951cd26a5164596540d26fbaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc7103d70aebcf95e9b92a98399d10b25fd984951cd26a5164596540d26fbaa", kill_on_drop: false }`
[INFO] [stdout] 0bc7103d70aebcf95e9b92a98399d10b25fd984951cd26a5164596540d26fbaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f0c4cb945629a84b1b041c1a48f2219a612c0eff0415ffaeeafa61e4fc74972
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4f0c4cb945629a84b1b041c1a48f2219a612c0eff0415ffaeeafa61e4fc74972", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stdout] running 9 tests
[INFO] [stderr]  --> src/compile.rs:4:12
[INFO] [stdout] test brainfuck_ops::tests::equals_const_test ... ok
[INFO] [stderr]   |
[INFO] [stdout] test brainfuck_ops::tests::equals_test ... ok
[INFO] [stderr] 4 | fn compile(expr: Expression<u32>) -> Result<(), CompilationError> {
[INFO] [stderr]   |            ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile`
[INFO] [stderr]  --> src/compile.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn compile(expr: Expression<u32>) -> Result<(), CompilationError> {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_debug_annotation`
[INFO] [stderr]   --> src/utils/compile_debug.rs:99:4
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn parse_debug_annotation(lit: &str, cur_reg: &mut i32) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/brainfuck-0c015f32173a1133
[INFO] [stdout] test brainfuck_ops::tests::reg_to_bf_test ... ok
[INFO] [stdout] test brainfuck_ops::tests::not_equals_test ... ok
[INFO] [stdout] test brainfuck_ops::tests::not_equals_const_test ... ok
[INFO] [stdout] test brainfuck_ops::tests::reg_zero_test ... ok
[INFO] [stdout] test parsing::tests::parse_expr_test ... ok
[INFO] [stdout] test parsing::tests::parse_test ... ok
[INFO] [stdout] test parsing::tests::lex_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f0c4cb945629a84b1b041c1a48f2219a612c0eff0415ffaeeafa61e4fc74972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0c4cb945629a84b1b041c1a48f2219a612c0eff0415ffaeeafa61e4fc74972", kill_on_drop: false }`
[INFO] [stdout] 4f0c4cb945629a84b1b041c1a48f2219a612c0eff0415ffaeeafa61e4fc74972