[INFO] crate walrus 0.11.0 is already in cache
[INFO] checking walrus-0.11.0 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate walrus 0.11.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate walrus 0.11.0 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate walrus 0.11.0
[INFO] finished tweaking crates.io crate walrus 0.11.0
[INFO] tweaked toml for crates.io crate walrus 0.11.0 written to work/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate walrus 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d5e44f0738887d76b81872a2b9a4df93a4f4e25dd5dabb03e6023da07b12068f
[INFO] running `"docker" "start" "-a" "d5e44f0738887d76b81872a2b9a4df93a4f4e25dd5dabb03e6023da07b12068f"`
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking leb128 v0.2.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling walrus-macro v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking walrus v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "d5e44f0738887d76b81872a2b9a4df93a4f4e25dd5dabb03e6023da07b12068f"`
[INFO] running `"docker" "rm" "-f" "d5e44f0738887d76b81872a2b9a4df93a4f4e25dd5dabb03e6023da07b12068f"`
[INFO] [stdout] d5e44f0738887d76b81872a2b9a4df93a4f4e25dd5dabb03e6023da07b12068f