[INFO] fetching crate parsec 0.7.0...
[INFO] checking parsec-0.7.0 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate parsec 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate parsec 0.7.0 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate parsec 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate parsec 0.7.0
[INFO] tweaked toml for crates.io crate parsec 0.7.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate parsec 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 55fd94db8f7e9df734c66b79d516120bf1524a94bb32083bf90ad3fc7e31fc0f
[INFO] running `"docker" "start" "-a" "55fd94db8f7e9df734c66b79d516120bf1524a94bb32083bf90ad3fc7e31fc0f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling memsec v0.5.7
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand04 v0.1.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking pairing v0.14.2
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking rand04_compat v0.1.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking threshold_crypto v0.3.2
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking log4rs v0.7.0
[INFO] [stderr]     Checking config_file_handler v0.11.0
[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking maidsafe_utilities v0.19.0
[INFO] [stderr]     Checking parsec v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: external crate `rand_core` unused in `parsec`: remove the dependency or add `use rand_core as _;`
[INFO] [stderr]    --> src/lib.rs:9:1
[INFO] [stderr]     |
[INFO] [stderr] 9   | //! This is an implementation of PARSEC (Protocol for Asynchronous, Reliable, Secure and Efficient
[INFO] [stderr]     | ^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     unused,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     = note: `#[deny(unused_crate_dependencies)]` implied by `#[deny(unused)]`
[INFO] [stderr] 
[INFO] [stderr] error: external crate `unwrap` unused in `parsec`: remove the dependency or add `use unwrap as _;`
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | //! This is an implementation of PARSEC (Protocol for Asynchronous, Reliable, Secure and Efficient
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] error: external crate `clap` unused in `parsec`: remove the dependency or add `use clap as _;`
[INFO] [stderr]    --> src/lib.rs:9:1
[INFO] [stderr]     |
[INFO] [stderr] 9   | //! This is an implementation of PARSEC (Protocol for Asynchronous, Reliable, Secure and Efficient
[INFO] [stderr]     | ^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:135:5
[INFO] [stderr]     |
[INFO] [stderr] 135 |     unused,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     = note: `#[deny(unused_crate_dependencies)]` implied by `#[deny(unused)]`
[INFO] [stderr] 
[INFO] [stderr] error: external crate `criterion` unused in `parsec`: remove the dependency or add `use criterion as _;`
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | //! This is an implementation of PARSEC (Protocol for Asynchronous, Reliable, Secure and Efficient
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] error: external crate `pom` unused in `parsec`: remove the dependency or add `use pom as _;`
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | //! This is an implementation of PARSEC (Protocol for Asynchronous, Reliable, Secure and Efficient
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] error: external crate `walkdir` unused in `parsec`: remove the dependency or add `use walkdir as _;`
[INFO] [stderr]  --> src/lib.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | //! This is an implementation of PARSEC (Protocol for Asynchronous, Reliable, Secure and Efficient
[INFO] [stderr]   | ^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `parsec`.
[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 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "55fd94db8f7e9df734c66b79d516120bf1524a94bb32083bf90ad3fc7e31fc0f"`
[INFO] running `"docker" "rm" "-f" "55fd94db8f7e9df734c66b79d516120bf1524a94bb32083bf90ad3fc7e31fc0f"`
[INFO] [stdout] 55fd94db8f7e9df734c66b79d516120bf1524a94bb32083bf90ad3fc7e31fc0f