[INFO] crate cotton 0.0.9 is already in cache
[INFO] checking cotton-0.0.9 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate cotton 0.0.9 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cotton 0.0.9 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cotton 0.0.9
[INFO] finished tweaking crates.io crate cotton 0.0.9
[INFO] tweaked toml for crates.io crate cotton 0.0.9 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] fe735d24d0439a35a047fb0a59f7f5afbab0057d64e425081af523299562734d
[INFO] running `"docker" "start" "-a" "fe735d24d0439a35a047fb0a59f7f5afbab0057d64e425081af523299562734d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking tap v0.3.1
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking os_pipe v0.9.1
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking backtrace-sys v0.1.37
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking duct v0.13.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking exec v0.3.1
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking problem v5.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking shaman v0.1.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking cotton v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.24s
[INFO] running `"docker" "inspect" "fe735d24d0439a35a047fb0a59f7f5afbab0057d64e425081af523299562734d"`
[INFO] running `"docker" "rm" "-f" "fe735d24d0439a35a047fb0a59f7f5afbab0057d64e425081af523299562734d"`
[INFO] [stdout] fe735d24d0439a35a047fb0a59f7f5afbab0057d64e425081af523299562734d