[INFO] fetching crate garnish_lang_runtime 0.0.1-alpha...
[INFO] checking garnish_lang_runtime-0.0.1-alpha against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate garnish_lang_runtime 0.0.1-alpha into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate garnish_lang_runtime 0.0.1-alpha on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate garnish_lang_runtime 0.0.1-alpha
[INFO] finished tweaking crates.io crate garnish_lang_runtime 0.0.1-alpha
[INFO] tweaked toml for crates.io crate garnish_lang_runtime 0.0.1-alpha written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded garnish_lang_instruction_set_builder v0.0.1-alpha
[INFO] [stderr]   Downloaded garnish_lang_common v0.0.1-alpha
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3d89512be8a3ecd531ac8291d77413b5b4fa5683d78e013722842aac4ed22bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3d89512be8a3ecd531ac8291d77413b5b4fa5683d78e013722842aac4ed22bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3d89512be8a3ecd531ac8291d77413b5b4fa5683d78e013722842aac4ed22bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d89512be8a3ecd531ac8291d77413b5b4fa5683d78e013722842aac4ed22bc", kill_on_drop: false }`
[INFO] [stdout] e3d89512be8a3ecd531ac8291d77413b5b4fa5683d78e013722842aac4ed22bc
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c9479d87ed99003930ee7c6433ecc6ca975c2b73a3cb349ac192575b9f6b3fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c9479d87ed99003930ee7c6433ecc6ca975c2b73a3cb349ac192575b9f6b3fe", kill_on_drop: false }`
[INFO] [stderr]     Checking garnish_lang_common v0.0.1-alpha
[INFO] [stderr]     Checking garnish_lang_instruction_set_builder v0.0.1-alpha
[INFO] [stderr]     Checking garnish_lang_runtime v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DataType`, `DataVecWriter`
[INFO] [stdout]    --> src/utils.rs:926:31
[INFO] [stdout]     |
[INFO] [stdout] 926 |     use garnish_lang_common::{DataType, DataVecWriter, ExpressionValue};
[INFO] [stdout]     |                               ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::runtime::tests::data_slice`
[INFO] [stdout]    --> src/utils.rs:929:9
[INFO] [stdout]     |
[INFO] [stdout] 929 |     use crate::runtime::tests::data_slice;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "4c9479d87ed99003930ee7c6433ecc6ca975c2b73a3cb349ac192575b9f6b3fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9479d87ed99003930ee7c6433ecc6ca975c2b73a3cb349ac192575b9f6b3fe", kill_on_drop: false }`
[INFO] [stdout] 4c9479d87ed99003930ee7c6433ecc6ca975c2b73a3cb349ac192575b9f6b3fe