[INFO] updating cached repository https://github.com/little-dude/tcping-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6d71149be68c29a6c25b64ab0079d7967bd6700
[INFO] checking little-dude/tcping-rs against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittle-dude%2Ftcping-rs" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/little-dude/tcping-rs on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/little-dude/tcping-rs
[INFO] finished tweaking git repo https://github.com/little-dude/tcping-rs
[INFO] tweaked toml for git repo https://github.com/little-dude/tcping-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/little-dude/tcping-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 0e9aeccff07d3ddfe5932735ec890f4ff09076f7c22d4da578b0db4c63ccc795
[INFO] running `"docker" "start" "-a" "0e9aeccff07d3ddfe5932735ec890f4ff09076f7c22d4da578b0db4c63ccc795"`
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]     Checking bit-vec v0.4.3
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]    Compiling semver v0.2.3
[INFO] [stderr]     Checking chan v0.1.18
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]    Compiling clippy_lints v0.0.106
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.106/src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(custom_attribute)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `syntax`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.106/src/lib.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | extern crate syntax;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0463, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `clippy_lints`.
[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: build failed
[INFO] running `"docker" "inspect" "0e9aeccff07d3ddfe5932735ec890f4ff09076f7c22d4da578b0db4c63ccc795"`
[INFO] running `"docker" "rm" "-f" "0e9aeccff07d3ddfe5932735ec890f4ff09076f7c22d4da578b0db4c63ccc795"`
[INFO] [stdout] 0e9aeccff07d3ddfe5932735ec890f4ff09076f7c22d4da578b0db4c63ccc795
