[INFO] crate doublecount 0.6.2 is already in cache
[INFO] checking doublecount-0.6.2 against master#339f574809bf8e4166b8de3cdbe7df181d37af3d for pr-71896
[INFO] extracting crate doublecount 0.6.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate doublecount 0.6.2 on toolchain 339f574809bf8e4166b8de3cdbe7df181d37af3d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate doublecount 0.6.2
[INFO] finished tweaking crates.io crate doublecount 0.6.2
[INFO] tweaked toml for crates.io crate doublecount 0.6.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+339f574809bf8e4166b8de3cdbe7df181d37af3d" "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] 482c83be15d51cce601fdee628a15934c10ddeb78903bd941200252bbab7b18c
[INFO] running `"docker" "start" "-a" "482c83be15d51cce601fdee628a15934c10ddeb78903bd941200252bbab7b18c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking iso4217 v0.3.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rust_decimal v1.4.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking nanoid v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking commodity v0.3.4
[INFO] [stderr]     Checking doublecount v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.63s
[INFO] running `"docker" "inspect" "482c83be15d51cce601fdee628a15934c10ddeb78903bd941200252bbab7b18c"`
[INFO] running `"docker" "rm" "-f" "482c83be15d51cce601fdee628a15934c10ddeb78903bd941200252bbab7b18c"`
[INFO] [stdout] 482c83be15d51cce601fdee628a15934c10ddeb78903bd941200252bbab7b18c