[INFO] crate json-pop 0.0.1 is already in cache
[INFO] checking json-pop-0.0.1 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate json-pop 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate json-pop 0.0.1 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate json-pop 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate json-pop 0.0.1
[INFO] tweaked toml for crates.io crate json-pop 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate json-pop 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] 684ae860281046f547769750963f2f209c3687dedfd03d89fe3b44fd27e9d2a7
[INFO] running `"docker" "start" "-a" "684ae860281046f547769750963f2f209c3687dedfd03d89fe3b44fd27e9d2a7"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling lalrpop-util v0.18.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling beef v0.4.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling logos-derive v0.10.0-rc5
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking lexical v5.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking logos v0.10.0-rc5
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.18.1
[INFO] [stderr]    Compiling json-pop v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "684ae860281046f547769750963f2f209c3687dedfd03d89fe3b44fd27e9d2a7"`
[INFO] running `"docker" "rm" "-f" "684ae860281046f547769750963f2f209c3687dedfd03d89fe3b44fd27e9d2a7"`
[INFO] [stdout] 684ae860281046f547769750963f2f209c3687dedfd03d89fe3b44fd27e9d2a7