[INFO] cloning repository https://github.com/blindLightning/crust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blindLightning/crust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FblindLightning%2Fcrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FblindLightning%2Fcrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7383ab0c085247a233c6fcc5ceada76a722e7fe
[INFO] checking blindLightning/crust against try#342ed2e8608ee307743c341962b427652cdb06e9 for pr-146562
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FblindLightning%2Fcrust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/blindLightning/crust
[INFO] finished tweaking git repo https://github.com/blindLightning/crust
[INFO] tweaked toml for git repo https://github.com/blindLightning/crust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blindLightning/crust on toolchain 342ed2e8608ee307743c341962b427652cdb06e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/blindLightning/crust 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" "+342ed2e8608ee307743c341962b427652cdb06e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5abd3898f8854d01b8990a40ef922f67ae60f1571b37f687263bf09f758f11a3
[INFO] running `Command { std: "docker" "start" "-a" "5abd3898f8854d01b8990a40ef922f67ae60f1571b37f687263bf09f758f11a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5abd3898f8854d01b8990a40ef922f67ae60f1571b37f687263bf09f758f11a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5abd3898f8854d01b8990a40ef922f67ae60f1571b37f687263bf09f758f11a3", kill_on_drop: false }`
[INFO] [stdout] 5abd3898f8854d01b8990a40ef922f67ae60f1571b37f687263bf09f758f11a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aca512a9acba41826cfa1b8ddf7f5e82cd37b2e7f753e96f46e3ae791b50d2d
[INFO] running `Command { std: "docker" "start" "-a" "1aca512a9acba41826cfa1b8ddf7f5e82cd37b2e7f753e96f46e3ae791b50d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking crust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/assembler/instruction_parser.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let result = res.unwrap_or_else(|e| {
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/assembler/instruction_parser.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let result = res.unwrap_or_else(|e| {
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_byte` is never used
[INFO] [stdout]   --> src/vm.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl VM {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 | pub fn add_byte(&mut self, byte: u8) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Instruction` is never constructed
[INFO] [stdout]   --> src/instruction.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Instruction {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/instruction.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Instruction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 31 |     pub fn new(opcode: Opcode) -> Instruction {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_hex` is never used
[INFO] [stdout]   --> src/repl/mod.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Repl {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 | fn parse_hex(&mut self, hex: &str) -> Result<Vec<u8>, ParseIntError> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `_Result` should have a snake case name
[INFO] [stdout]   --> src/repl/mod.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     Ok(_Result) => {
[INFO] [stdout]    |                        ^^^^^^^ help: convert the identifier to snake case: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/assembler/parse.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn ws(i: Input) -> Result<&str> {
[INFO] [stdout]   |              ^^^^^     ^^^^^^^^^^^^
[INFO] [stdout]   |              |         |      |
[INFO] [stdout]   |              |         |      the same lifetime is elided here
[INFO] [stdout]   |              |         the same lifetime is hidden here
[INFO] [stdout]   |              the lifetime is hidden 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] 8 | pub fn ws(i: Input<'_>) -> Result<'_, &str> {
[INFO] [stdout]   |                   ++++            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Program` should have a snake case name
[INFO] [stdout]   --> src/assembler/program_parser.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn Program(i: parse::Input) -> parse::Result<Program> {
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_byte` is never used
[INFO] [stdout]   --> src/vm.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl VM {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 | pub fn add_byte(&mut self, byte: u8) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Instruction` is never constructed
[INFO] [stdout]   --> src/instruction.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Instruction {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/instruction.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Instruction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 31 |     pub fn new(opcode: Opcode) -> Instruction {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse_hex` is never used
[INFO] [stdout]   --> src/repl/mod.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Repl {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 | fn parse_hex(&mut self, hex: &str) -> Result<Vec<u8>, ParseIntError> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `_Result` should have a snake case name
[INFO] [stdout]   --> src/repl/mod.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     Ok(_Result) => {
[INFO] [stdout]    |                        ^^^^^^^ help: convert the identifier to snake case: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/assembler/parse.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn ws(i: Input) -> Result<&str> {
[INFO] [stdout]   |              ^^^^^     ^^^^^^^^^^^^
[INFO] [stdout]   |              |         |      |
[INFO] [stdout]   |              |         |      the same lifetime is elided here
[INFO] [stdout]   |              |         the same lifetime is hidden here
[INFO] [stdout]   |              the lifetime is hidden 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] 8 | pub fn ws(i: Input<'_>) -> Result<'_, &str> {
[INFO] [stdout]   |                   ++++            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Program` should have a snake case name
[INFO] [stdout]   --> src/assembler/program_parser.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn Program(i: parse::Input) -> parse::Result<Program> {
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `program`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "1aca512a9acba41826cfa1b8ddf7f5e82cd37b2e7f753e96f46e3ae791b50d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aca512a9acba41826cfa1b8ddf7f5e82cd37b2e7f753e96f46e3ae791b50d2d", kill_on_drop: false }`
[INFO] [stdout] 1aca512a9acba41826cfa1b8ddf7f5e82cd37b2e7f753e96f46e3ae791b50d2d