[INFO] cloning repository https://github.com/sebglazebrook/ping-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebglazebrook/ping-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebglazebrook%2Fping-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebglazebrook%2Fping-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4208ffff37cdfcdf8671ef369f10e4d498c79b8
[INFO] building sebglazebrook/ping-rs against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebglazebrook%2Fping-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebglazebrook/ping-rs on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebglazebrook/ping-rs
[INFO] finished tweaking git repo https://github.com/sebglazebrook/ping-rs
[INFO] tweaked toml for git repo https://github.com/sebglazebrook/ping-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sebglazebrook/ping-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8796fc3dcf6d452e36527b29003be057cd09dd82e916ef96ddc59f6882686699
[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" "8796fc3dcf6d452e36527b29003be057cd09dd82e916ef96ddc59f6882686699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8796fc3dcf6d452e36527b29003be057cd09dd82e916ef96ddc59f6882686699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8796fc3dcf6d452e36527b29003be057cd09dd82e916ef96ddc59f6882686699", kill_on_drop: false }`
[INFO] [stdout] 8796fc3dcf6d452e36527b29003be057cd09dd82e916ef96ddc59f6882686699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cb08f0382f54c21aa8855ee7bcdf96bd5e9553b11beb4dafae01a940acc9f7f
[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" "9cb08f0382f54c21aa8855ee7bcdf96bd5e9553b11beb4dafae01a940acc9f7f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling pnet_base v0.20.0
[INFO] [stderr]    Compiling pnet v0.20.0
[INFO] [stderr]    Compiling ipnetwork v0.12.7
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling pnet_sys v0.20.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling pnet_macros_support v0.20.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling pnet_datalink v0.20.0
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.20.0
[INFO] [stderr]    Compiling pnet_packet v0.20.0
[INFO] [stderr]    Compiling pnet_transport v0.20.0
[INFO] [stderr]    Compiling ping-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ping/network_layer.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     transmitter: Box<datalink::DataLinkSender>,
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn datalink::DataLinkSender`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ping/network_layer.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 |     receiver: Box<datalink::DataLinkReceiver>,
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn datalink::DataLinkReceiver`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ping/network_layer.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
[INFO] [stdout]    |              ----^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ping/network_layer.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let (mut tx, mut rx) = match datalink::channel(&interface, datalink::Config::default()) {
[INFO] [stdout]    |                      ----^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interface`
[INFO] [stdout]  --> src/ping/network_layer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     interface: datalink::NetworkInterface,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `receiver`
[INFO] [stdout]  --> src/ping/network_layer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     receiver: Box<datalink::DataLinkReceiver>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: literal out of range for `u8`
[INFO] [stdout]   --> src/ping/ip_header.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |             version: 0x0800, // TODO correct value ??
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(overflowing_literals)]` on by default
[INFO] [stdout]    = note: the literal `0x0800` (decimal `2048`) does not fit into the type `u8` and will become `0u8`
[INFO] [stdout]    = help: consider using the type `u16` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ping/ip_header.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         header_checksum.write_u16::<BigEndian>(self.header_checksum);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ping-rs`
[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" "9cb08f0382f54c21aa8855ee7bcdf96bd5e9553b11beb4dafae01a940acc9f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb08f0382f54c21aa8855ee7bcdf96bd5e9553b11beb4dafae01a940acc9f7f", kill_on_drop: false }`
[INFO] [stdout] 9cb08f0382f54c21aa8855ee7bcdf96bd5e9553b11beb4dafae01a940acc9f7f
