[INFO] fetching crate nom-packrat 0.6.0...
[INFO] checking nom-packrat-0.6.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate nom-packrat 0.6.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate nom-packrat 0.6.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nom-packrat 0.6.0
[INFO] finished tweaking crates.io crate nom-packrat 0.6.0
[INFO] tweaked toml for crates.io crate nom-packrat 0.6.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate nom-packrat 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 517362688b915b5a6bb0553609496d58bd8e50404471e0b8e39502fa38a44dde
[INFO] running `Command { std: "docker" "start" "-a" "517362688b915b5a6bb0553609496d58bd8e50404471e0b8e39502fa38a44dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "517362688b915b5a6bb0553609496d58bd8e50404471e0b8e39502fa38a44dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517362688b915b5a6bb0553609496d58bd8e50404471e0b8e39502fa38a44dde", kill_on_drop: false }`
[INFO] [stdout] 517362688b915b5a6bb0553609496d58bd8e50404471e0b8e39502fa38a44dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 924a4934b29964266ffef0faea981ac7a432b6babffec7bee661ba035dd61452
[INFO] running `Command { std: "docker" "start" "-a" "924a4934b29964266ffef0faea981ac7a432b6babffec7bee661ba035dd61452", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytecount v0.3.2
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking stats_alloc v0.1.8
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nom_locate v4.0.0
[INFO] [stderr]     Checking nom_locate v1.0.0
[INFO] [stderr]    Compiling nom-packrat-macros v0.6.0
[INFO] [stderr]     Checking nom-packrat v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::size_of_val` that must be used
[INFO] [stdout]    --> examples/memory_bench.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |         std::mem::size_of_val(&x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::size_of_val` that must be used
[INFO] [stdout]    --> examples/memory_bench.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         std::mem::size_of_val(&x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::size_of_val` that must be used
[INFO] [stdout]    --> examples/memory_bench.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         std::mem::size_of_val(&x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.17s
[INFO] running `Command { std: "docker" "inspect" "924a4934b29964266ffef0faea981ac7a432b6babffec7bee661ba035dd61452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924a4934b29964266ffef0faea981ac7a432b6babffec7bee661ba035dd61452", kill_on_drop: false }`
[INFO] [stdout] 924a4934b29964266ffef0faea981ac7a432b6babffec7bee661ba035dd61452