[INFO] crate maidsafe_utilities 0.19.0 is already in cache
[INFO] checking maidsafe_utilities-0.19.0 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] extracting crate maidsafe_utilities 0.19.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate maidsafe_utilities 0.19.0 on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate maidsafe_utilities 0.19.0
[INFO] finished tweaking crates.io crate maidsafe_utilities 0.19.0
[INFO] tweaked toml for crates.io crate maidsafe_utilities 0.19.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate maidsafe_utilities 0.19.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1a399c10897767c36d147199696c96f193034e49" "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] 25b718b672f7de3987d6b719ebe191693a2fc97594f0f4826b4ae84faafa1d02
[INFO] running `"docker" "start" "-a" "25b718b672f7de3987d6b719ebe191693a2fc97594f0f4826b4ae84faafa1d02"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking config_file_handler v0.11.0
[INFO] [stderr]     Checking log4rs v0.7.0
[INFO] [stderr]     Checking maidsafe_utilities v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: external crate `url` unused in `maidsafe_utilities`: remove the dependency or add `use url as _;`
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | //! # MaidSafe Utilities
[INFO] [stderr]    | ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     unused,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_crate_dependencies)]` implied by `#[deny(unused)]`
[INFO] [stderr] 
[INFO] [stderr] error: external crate `url` unused in `maidsafe_utilities`: remove the dependency or add `use url as _;`
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | //! # MaidSafe Utilities
[INFO] [stderr]    | ^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     unused,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    = note: `#[deny(unused_crate_dependencies)]` implied by `#[deny(unused)]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `maidsafe_utilities`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "25b718b672f7de3987d6b719ebe191693a2fc97594f0f4826b4ae84faafa1d02"`
[INFO] running `"docker" "rm" "-f" "25b718b672f7de3987d6b719ebe191693a2fc97594f0f4826b4ae84faafa1d02"`
[INFO] [stdout] 25b718b672f7de3987d6b719ebe191693a2fc97594f0f4826b4ae84faafa1d02