[INFO] cloning repository https://github.com/askalt/compilers-supplementary
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/askalt/compilers-supplementary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faskalt%2Fcompilers-supplementary", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faskalt%2Fcompilers-supplementary'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4729ffe6db9490a42f5a0081e89b091eeffd1bd6
[INFO] checking askalt/compilers-supplementary against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faskalt%2Fcompilers-supplementary" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/askalt/compilers-supplementary
[INFO] finished tweaking git repo https://github.com/askalt/compilers-supplementary
[INFO] tweaked toml for git repo https://github.com/askalt/compilers-supplementary written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/askalt/compilers-supplementary on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/askalt/compilers-supplementary already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c405e211b4b11b35ffb612bb607f2f4a38e0484a216c0385c5f50a0da4a43e7
[INFO] running `Command { std: "docker" "start" "-a" "6c405e211b4b11b35ffb612bb607f2f4a38e0484a216c0385c5f50a0da4a43e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c405e211b4b11b35ffb612bb607f2f4a38e0484a216c0385c5f50a0da4a43e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c405e211b4b11b35ffb612bb607f2f4a38e0484a216c0385c5f50a0da4a43e7", kill_on_drop: false }`
[INFO] [stdout] 6c405e211b4b11b35ffb612bb607f2f4a38e0484a216c0385c5f50a0da4a43e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 672ff695ff9e262f6988fab4aa5a3b307ee0781b123a4020cfbb9ad21266687f
[INFO] running `Command { std: "docker" "start" "-a" "672ff695ff9e262f6988fab4aa5a3b307ee0781b123a4020cfbb9ad21266687f", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir/interpreter)
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: enum `LogicalOp` is never used
[INFO] [stdout]   --> parser/src/ast.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum LogicalOp {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ArithmOp` is never used
[INFO] [stdout]   --> parser/src/ast.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum ArithmOp {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BitOp` is never used
[INFO] [stdout]   --> parser/src/ast.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum BitOp {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOp` is never used
[INFO] [stdout]   --> parser/src/ast.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum BinaryOp {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOp` is never used
[INFO] [stdout]   --> parser/src/ast.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub enum UnaryOp {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> parser/src/ast.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub enum Type {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Variable` is never constructed
[INFO] [stdout]   --> parser/src/ast.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Variable {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Literal` is never constructed
[INFO] [stdout]    --> parser/src/ast.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Literal {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]    --> parser/src/ast.rs:126:10
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub enum Value {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RValue` is never used
[INFO] [stdout]    --> parser/src/ast.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub enum RValue {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GotoInsn` is never constructed
[INFO] [stdout]    --> parser/src/ast.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct GotoInsn {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Insn` is never used
[INFO] [stdout]    --> parser/src/ast.rs:156:10
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub enum Insn {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BasicBlock` is never constructed
[INFO] [stdout]    --> parser/src/ast.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct BasicBlock {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Function` is never constructed
[INFO] [stdout]    --> parser/src/ast.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub struct Function {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Ast` is never used
[INFO] [stdout]    --> parser/src/ast.rs:201:10
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub type Ast = Vec<Function>;
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> parser/src/lexer.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Token {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]   --> parser/src/lexer.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> parser/src/lexer.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Error {}
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> parser/src/lexer.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | type Result<T> = std::result::Result<T, Error>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next` are never used
[INFO] [stdout]   --> parser/src/lexer.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl<'a> Lexer<'a> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 43 |     pub fn new(input: &'a [u8]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn next(&mut self) -> Result<Option<Token>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LogicalOp` is never used
[INFO] [stdout]   --> parser/src/ast.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum LogicalOp {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ArithmOp` is never used
[INFO] [stdout]   --> parser/src/ast.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub enum ArithmOp {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BitOp` is never used
[INFO] [stdout]   --> parser/src/ast.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum BitOp {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOp` is never used
[INFO] [stdout]   --> parser/src/ast.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum BinaryOp {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOp` is never used
[INFO] [stdout]   --> parser/src/ast.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub enum UnaryOp {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]   --> parser/src/ast.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub enum Type {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Variable` is never constructed
[INFO] [stdout]   --> parser/src/ast.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Variable {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Literal` is never constructed
[INFO] [stdout]    --> parser/src/ast.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Literal {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]    --> parser/src/ast.rs:126:10
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub enum Value {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RValue` is never used
[INFO] [stdout]    --> parser/src/ast.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub enum RValue {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GotoInsn` is never constructed
[INFO] [stdout]    --> parser/src/ast.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct GotoInsn {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Insn` is never used
[INFO] [stdout]    --> parser/src/ast.rs:156:10
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub enum Insn {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BasicBlock` is never constructed
[INFO] [stdout]    --> parser/src/ast.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct BasicBlock {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Function` is never constructed
[INFO] [stdout]    --> parser/src/ast.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub struct Function {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Ast` is never used
[INFO] [stdout]    --> parser/src/ast.rs:201:10
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub type Ast = Vec<Function>;
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> parser/src/lexer.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Token {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]   --> parser/src/lexer.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> parser/src/lexer.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Error {}
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> parser/src/lexer.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 | type Result<T> = std::result::Result<T, Error>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next` are never used
[INFO] [stdout]   --> parser/src/lexer.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl<'a> Lexer<'a> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 43 |     pub fn new(input: &'a [u8]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn next(&mut self) -> Result<Option<Token>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "672ff695ff9e262f6988fab4aa5a3b307ee0781b123a4020cfbb9ad21266687f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672ff695ff9e262f6988fab4aa5a3b307ee0781b123a4020cfbb9ad21266687f", kill_on_drop: false }`
[INFO] [stdout] 672ff695ff9e262f6988fab4aa5a3b307ee0781b123a4020cfbb9ad21266687f