[INFO] cloning repository https://github.com/XOSplicer/es_uebung05_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XOSplicer/es_uebung05_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXOSplicer%2Fes_uebung05_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXOSplicer%2Fes_uebung05_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dcdae1f2add1129625064874e489358e9d8d073
[INFO] checking XOSplicer/es_uebung05_rust against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXOSplicer%2Fes_uebung05_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XOSplicer/es_uebung05_rust on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/XOSplicer/es_uebung05_rust
[INFO] finished tweaking git repo https://github.com/XOSplicer/es_uebung05_rust
[INFO] tweaked toml for git repo https://github.com/XOSplicer/es_uebung05_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/XOSplicer/es_uebung05_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc97117914ebcd7d5e204af8796ac9397003251767de8a427ba0d5bd57801493
[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" "bc97117914ebcd7d5e204af8796ac9397003251767de8a427ba0d5bd57801493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc97117914ebcd7d5e204af8796ac9397003251767de8a427ba0d5bd57801493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc97117914ebcd7d5e204af8796ac9397003251767de8a427ba0d5bd57801493", kill_on_drop: false }`
[INFO] [stdout] bc97117914ebcd7d5e204af8796ac9397003251767de8a427ba0d5bd57801493
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 95898d4826c13592d0ee370016c3e5f73d25e4e1cc6d86c45a00ac0a34f3820d
[INFO] running `Command { std: "docker" "start" "-a" "95898d4826c13592d0ee370016c3e5f73d25e4e1cc6d86c45a00ac0a34f3820d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking es_05 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::slice`
[INFO] [stdout]  --> src/cast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::slice;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice`
[INFO] [stdout]  --> src/cast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::slice;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Invalid`
[INFO] [stdout]  --> src/packet.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Invalid = 0,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GeneralErrorReply`
[INFO] [stdout]  --> src/packet.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     GeneralErrorReply = 1,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Echo`
[INFO] [stdout]  --> src/packet.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Echo = 2,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Shutdown`
[INFO] [stdout]   --> src/packet.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Shutdown = 4,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ShutdownReply`
[INFO] [stdout]   --> src/packet.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ShutdownReply = 5,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ACK`
[INFO] [stdout]  --> src/wrapper.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ACK     = 0,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NACK`
[INFO] [stdout]  --> src/wrapper.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     NACK    = 1,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Invalid`
[INFO] [stdout]  --> src/packet.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Invalid = 0,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GeneralErrorReply`
[INFO] [stdout]  --> src/packet.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     GeneralErrorReply = 1,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Echo`
[INFO] [stdout]  --> src/packet.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Echo = 2,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Shutdown`
[INFO] [stdout]   --> src/packet.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Shutdown = 4,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ShutdownReply`
[INFO] [stdout]   --> src/packet.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ShutdownReply = 5,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ACK`
[INFO] [stdout]  --> src/wrapper.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     ACK     = 0,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NACK`
[INFO] [stdout]  --> src/wrapper.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     NACK    = 1,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fletcher_16`
[INFO] [stdout]   --> src/fletcher_16.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn fletcher_16(data: &[u8]) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.72s
[INFO] running `Command { std: "docker" "inspect" "95898d4826c13592d0ee370016c3e5f73d25e4e1cc6d86c45a00ac0a34f3820d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95898d4826c13592d0ee370016c3e5f73d25e4e1cc6d86c45a00ac0a34f3820d", kill_on_drop: false }`
[INFO] [stdout] 95898d4826c13592d0ee370016c3e5f73d25e4e1cc6d86c45a00ac0a34f3820d