[INFO] fetching crate riscv-instructions 0.1.0...
[INFO] checking riscv-instructions-0.1.0 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate riscv-instructions 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate riscv-instructions 0.1.0 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate riscv-instructions 0.1.0
[INFO] finished tweaking crates.io crate riscv-instructions 0.1.0
[INFO] tweaked toml for crates.io crate riscv-instructions 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", 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] eeb77f050ddf53f3fcc28319b5edf6b1d56ade0f4ffc8175ff85a813df08ab25
[INFO] running `Command { std: "docker" "start" "-a" "eeb77f050ddf53f3fcc28319b5edf6b1d56ade0f4ffc8175ff85a813df08ab25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb77f050ddf53f3fcc28319b5edf6b1d56ade0f4ffc8175ff85a813df08ab25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb77f050ddf53f3fcc28319b5edf6b1d56ade0f4ffc8175ff85a813df08ab25", kill_on_drop: false }`
[INFO] [stdout] eeb77f050ddf53f3fcc28319b5edf6b1d56ade0f4ffc8175ff85a813df08ab25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9775ee996c1f744ebbe7484190b25874b6f57ff8ee29e9a31416e7a35dfb2e7d
[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" "9775ee996c1f744ebbe7484190b25874b6f57ff8ee29e9a31416e7a35dfb2e7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking tex-parser v0.1.0
[INFO] [stderr]     Checking riscv-instructions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `column_definitions`
[INFO] [stdout]    --> src/ast.rs:833:9
[INFO] [stdout]     |
[INFO] [stdout] 833 |         column_definitions: &[ColumnDefinition],
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_column_definitions`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column_definitions`
[INFO] [stdout]    --> src/ast.rs:833:9
[INFO] [stdout]     |
[INFO] [stdout] 833 |         column_definitions: &[ColumnDefinition],
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_column_definitions`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.38s
[INFO] running `Command { std: "docker" "inspect" "9775ee996c1f744ebbe7484190b25874b6f57ff8ee29e9a31416e7a35dfb2e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9775ee996c1f744ebbe7484190b25874b6f57ff8ee29e9a31416e7a35dfb2e7d", kill_on_drop: false }`
[INFO] [stdout] 9775ee996c1f744ebbe7484190b25874b6f57ff8ee29e9a31416e7a35dfb2e7d