[INFO] cloning repository https://github.com/panicbit/noptest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/panicbit/noptest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanicbit%2Fnoptest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanicbit%2Fnoptest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c982504afde5209cd764caccc1f3ef4f0e54bb9
[INFO] testing panicbit/noptest against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanicbit%2Fnoptest" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/panicbit/noptest
[INFO] finished tweaking git repo https://github.com/panicbit/noptest
[INFO] tweaked toml for git repo https://github.com/panicbit/noptest written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/panicbit/noptest on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/panicbit/noptest 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/panicbit/metarust`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e93e5f93e5bcf7a24e6d2c3a187707b0542f8886790fbc3d620a12a9b8ab4a8
[INFO] running `Command { std: "docker" "start" "-a" "8e93e5f93e5bcf7a24e6d2c3a187707b0542f8886790fbc3d620a12a9b8ab4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e93e5f93e5bcf7a24e6d2c3a187707b0542f8886790fbc3d620a12a9b8ab4a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e93e5f93e5bcf7a24e6d2c3a187707b0542f8886790fbc3d620a12a9b8ab4a8", kill_on_drop: false }`
[INFO] [stdout] 8e93e5f93e5bcf7a24e6d2c3a187707b0542f8886790fbc3d620a12a9b8ab4a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e6f338e6c79644c87236eaad795925fcaa5f11f343ea3882e1d898ca8f7fe2
[INFO] running `Command { std: "docker" "start" "-a" "78e6f338e6c79644c87236eaad795925fcaa5f11f343ea3882e1d898ca8f7fe2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling metarust v0.1.0 (https://github.com/panicbit/metarust#1b59e724)
[INFO] [stderr]    Compiling noptest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]   --> src/main.rs:9:13
[INFO] [stdout]    |
[INFO] [stdout]  9 | /             metarust! {
[INFO] [stdout] 10 | |                 let nops = std::iter::repeat("nop")
[INFO] [stdout] 11 | |                     .take($num)
[INFO] [stdout] 12 | |                     .join("\n");
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 25 |       nops!(1);
[INFO] [stdout]    |       -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: Metarust:
[INFO] [stdout]            error: failed to get `itertools` as a dependency of package `metarust_build v0.1.0 (/tmp/.tmpQpVrnO)`
[INFO] [stdout]            
[INFO] [stdout]            Caused by:
[INFO] [stdout]              download of config.json failed
[INFO] [stdout]            
[INFO] [stdout]            Caused by:
[INFO] [stdout]              failed to download from `https://index.crates.io/config.json`
[INFO] [stdout]            
[INFO] [stdout]            Caused by:
[INFO] [stdout]              [6] Could not resolve hostname (Could not resolve host: index.crates.io)
[INFO] [stdout]            
[INFO] [stdout]    = note: this error originates in the macro `nops` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]   --> src/main.rs:9:13
[INFO] [stdout]    |
[INFO] [stdout]  9 | /             metarust! {
[INFO] [stdout] 10 | |                 let nops = std::iter::repeat("nop")
[INFO] [stdout] 11 | |                     .take($num)
[INFO] [stdout] 12 | |                     .join("\n");
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 31 |       nops!(1_000_000);
[INFO] [stdout]    |       ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: Metarust:
[INFO] [stdout]            error: failed to get `itertools` as a dependency of package `metarust_build v0.1.0 (/tmp/.tmp5pFGyL)`
[INFO] [stdout]            
[INFO] [stdout]            Caused by:
[INFO] [stdout]              download of config.json failed
[INFO] [stdout]            
[INFO] [stdout]            Caused by:
[INFO] [stdout]              failed to download from `https://index.crates.io/config.json`
[INFO] [stdout]            
[INFO] [stdout]            Caused by:
[INFO] [stdout]              [6] Could not resolve hostname (Could not resolve host: index.crates.io)
[INFO] [stdout]            
[INFO] [stdout]    = note: this error originates in the macro `nops` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::arch::asm`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::arch::asm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `noptest` (bin "noptest") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "78e6f338e6c79644c87236eaad795925fcaa5f11f343ea3882e1d898ca8f7fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e6f338e6c79644c87236eaad795925fcaa5f11f343ea3882e1d898ca8f7fe2", kill_on_drop: false }`
[INFO] [stdout] 78e6f338e6c79644c87236eaad795925fcaa5f11f343ea3882e1d898ca8f7fe2