[INFO] cloning repository https://github.com/noahdgrant/raven-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noahdgrant/raven-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahdgrant%2Fraven-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahdgrant%2Fraven-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfb0169906c84989b6d05eb7705c3d2c46c8e1a6
[INFO] checking noahdgrant/raven-lang against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahdgrant%2Fraven-lang" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/noahdgrant/raven-lang
[INFO] finished tweaking git repo https://github.com/noahdgrant/raven-lang
[INFO] tweaked toml for git repo https://github.com/noahdgrant/raven-lang written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/noahdgrant/raven-lang on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/noahdgrant/raven-lang 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a097b0efdf99eabd9080c0f03418ac76a51485af9a27708eb173b7c8c1f827ea
[INFO] running `Command { std: "docker" "start" "-a" "a097b0efdf99eabd9080c0f03418ac76a51485af9a27708eb173b7c8c1f827ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a097b0efdf99eabd9080c0f03418ac76a51485af9a27708eb173b7c8c1f827ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a097b0efdf99eabd9080c0f03418ac76a51485af9a27708eb173b7c8c1f827ea", kill_on_drop: false }`
[INFO] [stdout] a097b0efdf99eabd9080c0f03418ac76a51485af9a27708eb173b7c8c1f827ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fbee096529b8acca107ea3add45ca6fcded664e2527a54bfa6a10ef621568be
[INFO] running `Command { std: "docker" "start" "-a" "8fbee096529b8acca107ea3add45ca6fcded664e2527a54bfa6a10ef621568be", kill_on_drop: false }`
[INFO] [stderr]     Checking raven-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ByteCode`, `OpCode`, and `disassemble_instruction`
[INFO] [stdout]  --> src/vm.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{disassemble_instruction, ByteCode, OpCode, Value, compile};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteCode`, `OpCode`, and `disassemble_instruction`
[INFO] [stdout]  --> src/vm.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{disassemble_instruction, ByteCode, OpCode, Value, compile};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOperation` is never used
[INFO] [stdout]   --> src/vm.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum BinaryOperation {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ip` and `stack` are never read
[INFO] [stdout]   --> src/vm.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct VirtualMachine {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 19 |     ip: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     stack: Stack<Value>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `binary_op` is never used
[INFO] [stdout]   --> src/vm.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl VirtualMachine {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn binary_op(&mut self, operation: BinaryOperation) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `pop` and `push` are never used
[INFO] [stdout]   --> src/vm.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T> Stack<T> {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn push(&mut self, item: T) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/scanner.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn string_token(&mut self) -> Result<Token, Token> {
[INFO] [stdout]    |                     ^^^^^^^^^            -----  ----- the same lifetime is hidden here
[INFO] [stdout]    |                     |                    |
[INFO] [stdout]    |                     |                    the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn string_token(&mut self) -> Result<Token<'_>, Token<'_>> {
[INFO] [stdout]    |                                               ++++       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/scanner.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn number_token(&mut self) -> Token {
[INFO] [stdout]    |                     ^^^^^^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn number_token(&mut self) -> Token<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scanner.rs:142:25
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn identifier_token(&mut self) -> Token {
[INFO] [stdout]     |                         ^^^^^^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn identifier_token(&mut self) -> Token<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scanner.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn get_token(&mut self) -> Result<Token, Token> {
[INFO] [stdout]     |                      ^^^^^^^^^            -----  ----- the same lifetime is hidden here
[INFO] [stdout]     |                      |                    |
[INFO] [stdout]     |                      |                    the same lifetime is hidden here
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn get_token(&mut self) -> Result<Token<'_>, Token<'_>> {
[INFO] [stdout]     |                                                ++++       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scanner.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 236 |     ) -> Token {
[INFO] [stdout]     |          ----- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 236 |     ) -> Token<'_> {
[INFO] [stdout]     |               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinaryOperation` is never used
[INFO] [stdout]   --> src/vm.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum BinaryOperation {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ip` and `stack` are never read
[INFO] [stdout]   --> src/vm.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct VirtualMachine {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 19 |     ip: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 20 |     stack: Stack<Value>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `binary_op` is never used
[INFO] [stdout]   --> src/vm.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl VirtualMachine {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn binary_op(&mut self, operation: BinaryOperation) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `pop` and `push` are never used
[INFO] [stdout]   --> src/vm.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T> Stack<T> {
[INFO] [stdout]    | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn push(&mut self, item: T) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/scanner.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn string_token(&mut self) -> Result<Token, Token> {
[INFO] [stdout]    |                     ^^^^^^^^^            -----  ----- the same lifetime is hidden here
[INFO] [stdout]    |                     |                    |
[INFO] [stdout]    |                     |                    the same lifetime is hidden here
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn string_token(&mut self) -> Result<Token<'_>, Token<'_>> {
[INFO] [stdout]    |                                               ++++       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/scanner.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn number_token(&mut self) -> Token {
[INFO] [stdout]    |                     ^^^^^^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn number_token(&mut self) -> Token<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scanner.rs:142:25
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn identifier_token(&mut self) -> Token {
[INFO] [stdout]     |                         ^^^^^^^^^     ----- the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn identifier_token(&mut self) -> Token<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scanner.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn get_token(&mut self) -> Result<Token, Token> {
[INFO] [stdout]     |                      ^^^^^^^^^            -----  ----- the same lifetime is hidden here
[INFO] [stdout]     |                      |                    |
[INFO] [stdout]     |                      |                    the same lifetime is hidden here
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn get_token(&mut self) -> Result<Token<'_>, Token<'_>> {
[INFO] [stdout]     |                                                ++++       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scanner.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 236 |     ) -> Token {
[INFO] [stdout]     |          ----- the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 236 |     ) -> Token<'_> {
[INFO] [stdout]     |               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "8fbee096529b8acca107ea3add45ca6fcded664e2527a54bfa6a10ef621568be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fbee096529b8acca107ea3add45ca6fcded664e2527a54bfa6a10ef621568be", kill_on_drop: false }`
[INFO] [stdout] 8fbee096529b8acca107ea3add45ca6fcded664e2527a54bfa6a10ef621568be
