[INFO] cloning repository https://github.com/chakflying/CS3700-Project3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chakflying/CS3700-Project3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchakflying%2FCS3700-Project3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchakflying%2FCS3700-Project3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dd15c8ebc6dcd4c4e787df623d530e6dcf1915f
[INFO] checking chakflying/CS3700-Project3 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchakflying%2FCS3700-Project3" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chakflying/CS3700-Project3 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chakflying/CS3700-Project3
[INFO] finished tweaking git repo https://github.com/chakflying/CS3700-Project3
[INFO] tweaked toml for git repo https://github.com/chakflying/CS3700-Project3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/chakflying/CS3700-Project3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_with_macros v1.0.1
[INFO] [stderr]   Downloaded cute v0.3.0
[INFO] [stderr]   Downloaded integer-encoding v1.0.7
[INFO] [stderr]   Downloaded serde_bytes v0.11.2
[INFO] [stderr]   Downloaded serde_with v1.3.1
[INFO] [stderr]   Downloaded bitflags_serde_shim v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 411b8a5f8928c489d0dc032f30d46639ba4a93c427e0bdebe7ed2b2d98a1b195
[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" "411b8a5f8928c489d0dc032f30d46639ba4a93c427e0bdebe7ed2b2d98a1b195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411b8a5f8928c489d0dc032f30d46639ba4a93c427e0bdebe7ed2b2d98a1b195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411b8a5f8928c489d0dc032f30d46639ba4a93c427e0bdebe7ed2b2d98a1b195", kill_on_drop: false }`
[INFO] [stdout] 411b8a5f8928c489d0dc032f30d46639ba4a93c427e0bdebe7ed2b2d98a1b195
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b758ab65287c796bb3dd55716ac2dc64d5e04eb9ffb0b0f9b4ad3431e4b448
[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" "36b758ab65287c796bb3dd55716ac2dc64d5e04eb9ffb0b0f9b4ad3431e4b448", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking cute v0.3.0
[INFO] [stderr]     Checking integer-encoding v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling serde_with_macros v1.0.1
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_with v1.3.1
[INFO] [stderr]     Checking bitflags_serde_shim v0.2.1
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking PROJECT3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `PROJECT3` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `project3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PROJECT3` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `project3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`
[INFO] [stdout]  --> src/bin/3700recv.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{App, Arg};
[INFO] [stdout]   |            ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/3700recv.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str`
[INFO] [stdout]  --> src/bin/3700recv.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{str, cmp};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/bin/3700recv.rs:96:15
[INFO] [stdout]    |
[INFO] [stdout] 96 |         while {state.receive_packet()} {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/bin/3700send.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |         while {state.receive_packet()} {}
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/bin/3700send.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |         while {state.receive_packet()} {}
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`
[INFO] [stdout]  --> src/bin/3700recv.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{App, Arg};
[INFO] [stdout]   |            ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/bin/3700recv.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, Read, Write};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `str`
[INFO] [stdout]  --> src/bin/3700recv.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{str, cmp};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/bin/3700recv.rs:96:15
[INFO] [stdout]    |
[INFO] [stdout] 96 |         while {state.receive_packet()} {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "36b758ab65287c796bb3dd55716ac2dc64d5e04eb9ffb0b0f9b4ad3431e4b448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b758ab65287c796bb3dd55716ac2dc64d5e04eb9ffb0b0f9b4ad3431e4b448", kill_on_drop: false }`
[INFO] [stdout] 36b758ab65287c796bb3dd55716ac2dc64d5e04eb9ffb0b0f9b4ad3431e4b448