[INFO] crate luther 0.1.0 is already in cache
[INFO] checking luther-0.1.0 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate luther 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate luther 0.1.0 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate luther 0.1.0
[INFO] finished tweaking crates.io crate luther 0.1.0
[INFO] tweaked toml for crates.io crate luther 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 87b1b6e0ae3e9602684b68b079fc0762a23e3ebd97a3fcd81c65abf909bce36d
[INFO] running `"docker" "start" "-a" "87b1b6e0ae3e9602684b68b079fc0762a23e3ebd97a3fcd81c65abf909bce36d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking libc v0.2.71
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking luther v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/spanned.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |     E: Into<Box<::std::error::Error + Send + Sync>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/spanned.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |     E: Into<Box<::std::error::Error + Send + Sync>>,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::error::Error + Send + Sync`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/span.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         Location::new(usize::max_value()) + 3;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.08s
[INFO] running `"docker" "inspect" "87b1b6e0ae3e9602684b68b079fc0762a23e3ebd97a3fcd81c65abf909bce36d"`
[INFO] running `"docker" "rm" "-f" "87b1b6e0ae3e9602684b68b079fc0762a23e3ebd97a3fcd81c65abf909bce36d"`
[INFO] [stdout] 87b1b6e0ae3e9602684b68b079fc0762a23e3ebd97a3fcd81c65abf909bce36d