[INFO] cloning repository https://github.com/khollbach/tcp-weekend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khollbach/tcp-weekend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Ftcp-weekend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Ftcp-weekend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f57ece92efd4647e67c71d2d1cfba75cbb734e14
[INFO] checking khollbach/tcp-weekend against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Ftcp-weekend" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/khollbach/tcp-weekend
[INFO] finished tweaking git repo https://github.com/khollbach/tcp-weekend
[INFO] tweaked toml for git repo https://github.com/khollbach/tcp-weekend written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/khollbach/tcp-weekend on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/khollbach/tcp-weekend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cde550ecf35b1ac52e14b79c53a50f18d9b47a2a636f1f12a8723bad89e36869
[INFO] running `Command { std: "docker" "start" "-a" "cde550ecf35b1ac52e14b79c53a50f18d9b47a2a636f1f12a8723bad89e36869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cde550ecf35b1ac52e14b79c53a50f18d9b47a2a636f1f12a8723bad89e36869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde550ecf35b1ac52e14b79c53a50f18d9b47a2a636f1f12a8723bad89e36869", kill_on_drop: false }`
[INFO] [stdout] cde550ecf35b1ac52e14b79c53a50f18d9b47a2a636f1f12a8723bad89e36869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 286f11b351e7375a79adfed053edc5c005a53b0f57b50fa2786d714d49cb1ff0
[INFO] running `Command { std: "docker" "start" "-a" "286f11b351e7375a79adfed053edc5c005a53b0f57b50fa2786d714d49cb1ff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking simple_endian v0.2.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking timeout-readwrite v0.3.3
[INFO] [stderr]    Compiling test-case-core v3.2.1
[INFO] [stderr]    Compiling test-case-macros v3.2.1
[INFO] [stderr]     Checking test-case v3.2.1
[INFO] [stderr]     Checking tcp-weekend-beta v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `PROTO_TCP` is never used
[INFO] [stdout]   --> src/main.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const PROTO_TCP: u8 = 6;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpHeader` is never constructed
[INFO] [stdout]   --> src/tcp.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct TcpHeader {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpPacket` is never constructed
[INFO] [stdout]   --> src/tcp.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct TcpPacket {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `to_bytes`, and `from_bytes` are never used
[INFO] [stdout]   --> src/tcp.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl TcpPacket {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 38 |     fn new(flags: u8, src_port: u16, dst_port: u16, seq: u32, ack: u32, data: Vec<u8>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn from_bytes(bytes: &[u8]) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROTO_TCP` is never used
[INFO] [stdout]   --> src/main.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const PROTO_TCP: u8 = 6;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpHeader` is never constructed
[INFO] [stdout]   --> src/tcp.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct TcpHeader {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpPacket` is never constructed
[INFO] [stdout]   --> src/tcp.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct TcpPacket {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `to_bytes`, and `from_bytes` are never used
[INFO] [stdout]   --> src/tcp.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl TcpPacket {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 38 |     fn new(flags: u8, src_port: u16, dst_port: u16, seq: u32, ack: u32, data: Vec<u8>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn to_bytes(&self) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn from_bytes(bytes: &[u8]) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `Command { std: "docker" "inspect" "286f11b351e7375a79adfed053edc5c005a53b0f57b50fa2786d714d49cb1ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286f11b351e7375a79adfed053edc5c005a53b0f57b50fa2786d714d49cb1ff0", kill_on_drop: false }`
[INFO] [stdout] 286f11b351e7375a79adfed053edc5c005a53b0f57b50fa2786d714d49cb1ff0