[INFO] cloning repository https://github.com/deniauma/reg-based-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deniauma/reg-based-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeniauma%2Freg-based-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeniauma%2Freg-based-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39cfaf2c9bb6f154cc709ee506709857728aacf8
[INFO] checking deniauma/reg-based-vm against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeniauma%2Freg-based-vm" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deniauma/reg-based-vm on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deniauma/reg-based-vm
[INFO] finished tweaking git repo https://github.com/deniauma/reg-based-vm
[INFO] tweaked toml for git repo https://github.com/deniauma/reg-based-vm written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/deniauma/reg-based-vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edec01b9ae916e3a9d14862126ead11cea5500a8ccfa6f191bad061063aed849
[INFO] running `Command { std: "docker" "start" "-a" "edec01b9ae916e3a9d14862126ead11cea5500a8ccfa6f191bad061063aed849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edec01b9ae916e3a9d14862126ead11cea5500a8ccfa6f191bad061063aed849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edec01b9ae916e3a9d14862126ead11cea5500a8ccfa6f191bad061063aed849", kill_on_drop: false }`
[INFO] [stdout] edec01b9ae916e3a9d14862126ead11cea5500a8ccfa6f191bad061063aed849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33059ca22ce01dbd7f5532d7e8e58451794e41ddb0d0bf22a12761a6d7823d71
[INFO] running `Command { std: "docker" "start" "-a" "33059ca22ce01dbd7f5532d7e8e58451794e41ddb0d0bf22a12761a6d7823d71", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking simple-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lexer/mod.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_hex`
[INFO] [stdout]   --> src/repl/mod.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn parse_hex(&mut self, c: &str) -> Result<Vec<u8>, &str> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_hex`
[INFO] [stdout]   --> src/repl/mod.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn parse_hex(&mut self, c: &str) -> Result<Vec<u8>, &str> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.50s
[INFO] running `Command { std: "docker" "inspect" "33059ca22ce01dbd7f5532d7e8e58451794e41ddb0d0bf22a12761a6d7823d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33059ca22ce01dbd7f5532d7e8e58451794e41ddb0d0bf22a12761a6d7823d71", kill_on_drop: false }`
[INFO] [stdout] 33059ca22ce01dbd7f5532d7e8e58451794e41ddb0d0bf22a12761a6d7823d71