[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 master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FblindLightning%2Fcrust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blindLightning/crust on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking blindLightning/crust against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FblindLightning%2Fcrust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blindLightning/crust on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[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" "+7622c0f807a4e13c4db886a1681bf343795692df" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking blindLightning/crust against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FblindLightning%2Fcrust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blindLightning/crust on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[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" "+7622c0f807a4e13c4db886a1681bf343795692df" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdfe5fdc92ad77c08f8dc35c01cdf05b2e3e40a9458c38640da2dd389f05c196
[INFO] running `Command { std: "docker" "start" "-a" "bdfe5fdc92ad77c08f8dc35c01cdf05b2e3e40a9458c38640da2dd389f05c196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdfe5fdc92ad77c08f8dc35c01cdf05b2e3e40a9458c38640da2dd389f05c196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfe5fdc92ad77c08f8dc35c01cdf05b2e3e40a9458c38640da2dd389f05c196", kill_on_drop: false }`
[INFO] [stdout] bdfe5fdc92ad77c08f8dc35c01cdf05b2e3e40a9458c38640da2dd389f05c196
[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 -Dnon_local_definitions" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ef6f0fd32031323d391f59a5d8a64aecda4d3827f113e5fdee410175395face
[INFO] running `Command { std: "docker" "start" "-a" "6ef6f0fd32031323d391f59a5d8a64aecda4d3827f113e5fdee410175395face", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[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)]` 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)]` 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)]` 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)]` on by default
[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: 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: 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)]` on by default
[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)]` on by default
[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: 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "6ef6f0fd32031323d391f59a5d8a64aecda4d3827f113e5fdee410175395face", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef6f0fd32031323d391f59a5d8a64aecda4d3827f113e5fdee410175395face", kill_on_drop: false }`
[INFO] [stdout] 6ef6f0fd32031323d391f59a5d8a64aecda4d3827f113e5fdee410175395face