[INFO] fetching crate v9 0.1.37...
[INFO] checking v9-0.1.37 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate v9 0.1.37 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate v9 0.1.37 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate v9 0.1.37
[INFO] finished tweaking crates.io crate v9 0.1.37
[INFO] tweaked toml for crates.io crate v9 0.1.37 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate v9 0.1.37 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24a94542111a0ee030bcf8f754c2a57bb08b48b2d338ada354f1e463eb921cff
[INFO] running `"docker" "start" "-a" "24a94542111a0ee030bcf8f754c2a57bb08b48b2d338ada354f1e463eb921cff"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling v9-attr v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]     Checking getrandom v0.1.7
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling proc-macro-hack v0.5.5
[INFO] [stderr]    Compiling paste-impl v0.1.5
[INFO] [stderr]     Checking paste v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking v9 v0.1.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.72s
[INFO] running `"docker" "inspect" "24a94542111a0ee030bcf8f754c2a57bb08b48b2d338ada354f1e463eb921cff"`
[INFO] running `"docker" "rm" "-f" "24a94542111a0ee030bcf8f754c2a57bb08b48b2d338ada354f1e463eb921cff"`
[INFO] [stdout] 24a94542111a0ee030bcf8f754c2a57bb08b48b2d338ada354f1e463eb921cff