[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 master#65cd843ae06ad00123c131a431ed5304e4cd577a for pr-122077
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Ftcp-weekend" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khollbach/tcp-weekend on toolchain 65cd843ae06ad00123c131a431ed5304e4cd577a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65cd843ae06ad00123c131a431ed5304e4cd577a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[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" "+65cd843ae06ad00123c131a431ed5304e4cd577a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking khollbach/tcp-weekend against try#e34498b580c936a8f8a419616d9571f03b6c038e for pr-122077
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Ftcp-weekend" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khollbach/tcp-weekend on toolchain e34498b580c936a8f8a419616d9571f03b6c038e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e34498b580c936a8f8a419616d9571f03b6c038e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[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" "+e34498b580c936a8f8a419616d9571f03b6c038e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking khollbach/tcp-weekend against try#e34498b580c936a8f8a419616d9571f03b6c038e for pr-122077
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Ftcp-weekend" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khollbach/tcp-weekend on toolchain e34498b580c936a8f8a419616d9571f03b6c038e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e34498b580c936a8f8a419616d9571f03b6c038e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[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" "+e34498b580c936a8f8a419616d9571f03b6c038e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timeout-readwrite v0.3.3
[INFO] [stderr]   Downloaded test-case-macros v3.2.1
[INFO] [stderr]   Downloaded test-case v3.2.1
[INFO] [stderr]   Downloaded test-case-core v3.2.1
[INFO] [stderr]   Downloaded simple_endian v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e34498b580c936a8f8a419616d9571f03b6c038e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b2d30d7db023ce6cb5825b103f45b9a1d3a65a7a9034d910b5a3c7f255fc41f
[INFO] running `Command { std: "docker" "start" "-a" "6b2d30d7db023ce6cb5825b103f45b9a1d3a65a7a9034d910b5a3c7f255fc41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b2d30d7db023ce6cb5825b103f45b9a1d3a65a7a9034d910b5a3c7f255fc41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b2d30d7db023ce6cb5825b103f45b9a1d3a65a7a9034d910b5a3c7f255fc41f", kill_on_drop: false }`
[INFO] [stdout] 6b2d30d7db023ce6cb5825b103f45b9a1d3a65a7a9034d910b5a3c7f255fc41f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+e34498b580c936a8f8a419616d9571f03b6c038e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f53ce20e6e5b40de5ebfdb40fe1e24db192dfe274e96b35e244483703598c3b3
[INFO] running `Command { std: "docker" "start" "-a" "f53ce20e6e5b40de5ebfdb40fe1e24db192dfe274e96b35e244483703598c3b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking simple_endian v0.2.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[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)]` 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: 4 warnings emitted
[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)]` 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "f53ce20e6e5b40de5ebfdb40fe1e24db192dfe274e96b35e244483703598c3b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53ce20e6e5b40de5ebfdb40fe1e24db192dfe274e96b35e244483703598c3b3", kill_on_drop: false }`
[INFO] [stdout] f53ce20e6e5b40de5ebfdb40fe1e24db192dfe274e96b35e244483703598c3b3