[INFO] fetching crate garnish_lang_runtime 0.0.1-alpha...
[INFO] checking garnish_lang_runtime-0.0.1-alpha against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate garnish_lang_runtime 0.0.1-alpha into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate garnish_lang_runtime 0.0.1-alpha on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 013dc37d9b8b8a2cb44d836212e053a3d25f0ca15adbcb65ed8000b4602d7306
[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" "013dc37d9b8b8a2cb44d836212e053a3d25f0ca15adbcb65ed8000b4602d7306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "013dc37d9b8b8a2cb44d836212e053a3d25f0ca15adbcb65ed8000b4602d7306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013dc37d9b8b8a2cb44d836212e053a3d25f0ca15adbcb65ed8000b4602d7306", kill_on_drop: false }`
[INFO] [stdout] 013dc37d9b8b8a2cb44d836212e053a3d25f0ca15adbcb65ed8000b4602d7306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8933cd92cb3aded139622a0633e60181565c0d289138b980f0373f7b7bb3db48
[INFO] running `Command { std: "docker" "start" "-a" "8933cd92cb3aded139622a0633e60181565c0d289138b980f0373f7b7bb3db48", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[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 6.35s
[INFO] running `Command { std: "docker" "inspect" "8933cd92cb3aded139622a0633e60181565c0d289138b980f0373f7b7bb3db48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8933cd92cb3aded139622a0633e60181565c0d289138b980f0373f7b7bb3db48", kill_on_drop: false }`
[INFO] [stdout] 8933cd92cb3aded139622a0633e60181565c0d289138b980f0373f7b7bb3db48