[INFO] cloning repository https://github.com/little-dude/tcping-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/little-dude/tcping-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittle-dude%2Ftcping-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittle-dude%2Ftcping-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6d71149be68c29a6c25b64ab0079d7967bd6700
[INFO] checking little-dude/tcping-rs against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flittle-dude%2Ftcping-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/little-dude/tcping-rs on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded gcc v0.3.41
[INFO] [stderr]   Downloaded clippy_lints v0.0.106
[INFO] [stderr]   Downloaded semver v0.2.3
[INFO] [stderr]   Downloaded clippy v0.0.106
[INFO] [stderr]   Downloaded unicode-normalization v0.1.3
[INFO] [stderr]   Downloaded backtrace-sys v0.1.5
[INFO] [stderr]   Downloaded chan v0.1.18
[INFO] [stderr]   Downloaded clap v2.19.3
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 623aad99c4cfb59c053a17fb06f9cbcdf1ca99cef967440b20bc064cf8f01d2a
[INFO] running `Command { std: "docker" "start" "-a" "623aad99c4cfb59c053a17fb06f9cbcdf1ca99cef967440b20bc064cf8f01d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "623aad99c4cfb59c053a17fb06f9cbcdf1ca99cef967440b20bc064cf8f01d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623aad99c4cfb59c053a17fb06f9cbcdf1ca99cef967440b20bc064cf8f01d2a", kill_on_drop: false }`
[INFO] [stdout] 623aad99c4cfb59c053a17fb06f9cbcdf1ca99cef967440b20bc064cf8f01d2a
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05478ba41137a4c71622b7ba32dad6d9e531fa8f60c4dcd6fd6e8c166a11d08f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "05478ba41137a4c71622b7ba32dad6d9e531fa8f60c4dcd6fd6e8c166a11d08f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.19
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking bit-vec v0.4.3
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]    Compiling semver v0.2.3
[INFO] [stderr]     Checking chan v0.1.18
[INFO] [stderr]    Compiling clippy_lints v0.0.106
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.106/src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.106/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "05478ba41137a4c71622b7ba32dad6d9e531fa8f60c4dcd6fd6e8c166a11d08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05478ba41137a4c71622b7ba32dad6d9e531fa8f60c4dcd6fd6e8c166a11d08f", kill_on_drop: false }`
[INFO] [stdout] 05478ba41137a4c71622b7ba32dad6d9e531fa8f60c4dcd6fd6e8c166a11d08f