[INFO] cloning repository https://github.com/dragonrider7225/java_class_manipulation [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dragonrider7225/java_class_manipulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragonrider7225%2Fjava_class_manipulation", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragonrider7225%2Fjava_class_manipulation'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32be1e103355a495717cb53368f1d93bf237a6b6 [INFO] testing dragonrider7225/java_class_manipulation against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragonrider7225%2Fjava_class_manipulation" "/workspace/builds/worker-119/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dragonrider7225/java_class_manipulation on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-119/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/dragonrider7225/java_class_manipulation [INFO] finished tweaking git repo https://github.com/dragonrider7225/java_class_manipulation [INFO] tweaked toml for git repo https://github.com/dragonrider7225/java_class_manipulation written to /workspace/builds/worker-119/source/Cargo.toml [INFO] crate git repo https://github.com/dragonrider7225/java_class_manipulation already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d07c95ddcf6eafd619351a323654e33312de8be8a84d4f428b0ccd59c468560 [INFO] running `Command { std: "docker" "start" "-a" "0d07c95ddcf6eafd619351a323654e33312de8be8a84d4f428b0ccd59c468560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d07c95ddcf6eafd619351a323654e33312de8be8a84d4f428b0ccd59c468560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d07c95ddcf6eafd619351a323654e33312de8be8a84d4f428b0ccd59c468560", kill_on_drop: false }` [INFO] [stdout] 0d07c95ddcf6eafd619351a323654e33312de8be8a84d4f428b0ccd59c468560 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4126871b1e8cfbcfd942d3109db9e22b14d46192af3159866933e64cfec75b15 [INFO] running `Command { std: "docker" "start" "-a" "4126871b1e8cfbcfd942d3109db9e22b14d46192af3159866933e64cfec75b15", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling minimal-lexical v0.1.2 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling extended_io v0.3.0 (https://github.com/dragonrider7225/extended_io.git#488b960c) [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling nom v7.0.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling thiserror v1.0.26 [INFO] [stderr] Compiling proc-macro-crate v1.0.0 [INFO] [stderr] Compiling num_enum_derive v0.5.4 [INFO] [stderr] Compiling num_enum v0.5.4 [INFO] [stderr] Compiling java_class_manipulation v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(associated_type_defaults)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(box_patterns, box_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `java_class_manipulation` due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "4126871b1e8cfbcfd942d3109db9e22b14d46192af3159866933e64cfec75b15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4126871b1e8cfbcfd942d3109db9e22b14d46192af3159866933e64cfec75b15", kill_on_drop: false }` [INFO] [stdout] 4126871b1e8cfbcfd942d3109db9e22b14d46192af3159866933e64cfec75b15