[INFO] fetching crate file-fetcher 0.1.4...
[INFO] checking file-fetcher-0.1.4 against try#4662032ab74cd44d423120d08d251dfead4914a0 for pr-72788
[INFO] extracting crate file-fetcher 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate file-fetcher 0.1.4 on toolchain 4662032ab74cd44d423120d08d251dfead4914a0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate file-fetcher 0.1.4
[INFO] finished tweaking crates.io crate file-fetcher 0.1.4
[INFO] tweaked toml for crates.io crate file-fetcher 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "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-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" "+4662032ab74cd44d423120d08d251dfead4914a0" "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] 215127198af475a0f27c072f186321fae56f69d4fa61a214801f345e09bd893d
[INFO] running `"docker" "start" "-a" "215127198af475a0f27c072f186321fae56f69d4fa61a214801f345e09bd893d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking encoding_rs v0.8.23
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking openssl v0.10.29
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking error-chain v0.12.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking file-fetcher v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.73s
[INFO] running `"docker" "inspect" "215127198af475a0f27c072f186321fae56f69d4fa61a214801f345e09bd893d"`
[INFO] running `"docker" "rm" "-f" "215127198af475a0f27c072f186321fae56f69d4fa61a214801f345e09bd893d"`
[INFO] [stdout] 215127198af475a0f27c072f186321fae56f69d4fa61a214801f345e09bd893d