[INFO] cloning repository https://github.com/trevarj/roxt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trevarj/roxt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevarj%2Froxt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevarj%2Froxt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 01dba387a9df83688586280d208da54a6b55726f [INFO] testing trevarj/roxt against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevarj%2Froxt" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/trevarj/roxt on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/trevarj/roxt [INFO] finished tweaking git repo https://github.com/trevarj/roxt [INFO] tweaked toml for git repo https://github.com/trevarj/roxt written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/trevarj/roxt already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 089cf861e4252393236ec607bce4deaae8038b22621be2b1cdec1c4c0a6a8513 [INFO] running `Command { std: "docker" "start" "-a" "089cf861e4252393236ec607bce4deaae8038b22621be2b1cdec1c4c0a6a8513", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "089cf861e4252393236ec607bce4deaae8038b22621be2b1cdec1c4c0a6a8513", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "089cf861e4252393236ec607bce4deaae8038b22621be2b1cdec1c4c0a6a8513", kill_on_drop: false }` [INFO] [stdout] 089cf861e4252393236ec607bce4deaae8038b22621be2b1cdec1c4c0a6a8513 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02e095ac4e8cc130b99d7e3af3aaaae5416f1e5207eb3b7eada29b5d3fdadaeb [INFO] running `Command { std: "docker" "start" "-a" "02e095ac4e8cc130b99d7e3af3aaaae5416f1e5207eb3b7eada29b5d3fdadaeb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling argh_shared v0.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling argh_derive v0.1.1 [INFO] [stderr] Compiling thiserror v1.0.20 [INFO] [stderr] Compiling argh v0.1.3 [INFO] [stderr] Compiling roxt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/bytecode/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/bytecode/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(fn_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `InterpretError` [INFO] [stdout] --> src/bytecode/main.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | use vm::{InterpretError, VM}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/bytecode/compiler.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UpValue` [INFO] [stdout] --> src/bytecode/vm.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | compiler::{Compiler, UpValue}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/interpreter/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(peekable_next_if)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::tokens::TokenType` [INFO] [stdout] --> src/interpreter/resolver.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::tokens::TokenType; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `roxt` due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "02e095ac4e8cc130b99d7e3af3aaaae5416f1e5207eb3b7eada29b5d3fdadaeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02e095ac4e8cc130b99d7e3af3aaaae5416f1e5207eb3b7eada29b5d3fdadaeb", kill_on_drop: false }` [INFO] [stdout] 02e095ac4e8cc130b99d7e3af3aaaae5416f1e5207eb3b7eada29b5d3fdadaeb