[INFO] fetching crate riscv-instructions 0.1.0...
[INFO] checking riscv-instructions-0.1.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate riscv-instructions 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate riscv-instructions 0.1.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 1a6a5a32a5073e7c1dd1cd91bb7fe8530c69f1e362be7bdf702301279ee2dcad
[INFO] running `Command { std: "docker" "start" "-a" "1a6a5a32a5073e7c1dd1cd91bb7fe8530c69f1e362be7bdf702301279ee2dcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6a5a32a5073e7c1dd1cd91bb7fe8530c69f1e362be7bdf702301279ee2dcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6a5a32a5073e7c1dd1cd91bb7fe8530c69f1e362be7bdf702301279ee2dcad", kill_on_drop: false }`
[INFO] [stdout] 1a6a5a32a5073e7c1dd1cd91bb7fe8530c69f1e362be7bdf702301279ee2dcad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 697b89f27655138ca3a0b594bfd450bac6eaa48894acd9406f1e21a0b56535cc
[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" "697b89f27655138ca3a0b594bfd450bac6eaa48894acd9406f1e21a0b56535cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]     Checking once_cell v1.8.0
[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 6.39s
[INFO] running `Command { std: "docker" "inspect" "697b89f27655138ca3a0b594bfd450bac6eaa48894acd9406f1e21a0b56535cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "697b89f27655138ca3a0b594bfd450bac6eaa48894acd9406f1e21a0b56535cc", kill_on_drop: false }`
[INFO] [stdout] 697b89f27655138ca3a0b594bfd450bac6eaa48894acd9406f1e21a0b56535cc