[INFO] cloning repository https://github.com/EvanCarter/PracticalNetworkApplication
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EvanCarter/PracticalNetworkApplication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvanCarter%2FPracticalNetworkApplication", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvanCarter%2FPracticalNetworkApplication'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca6f03a3e8a093f9846b02506a0c59c2e6a2a439
[INFO] checking EvanCarter/PracticalNetworkApplication against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEvanCarter%2FPracticalNetworkApplication" "/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/EvanCarter/PracticalNetworkApplication on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EvanCarter/PracticalNetworkApplication
[INFO] finished tweaking git repo https://github.com/EvanCarter/PracticalNetworkApplication
[INFO] tweaked toml for git repo https://github.com/EvanCarter/PracticalNetworkApplication written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/EvanCarter/PracticalNetworkApplication 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v3.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebd6a34a01c8c221485142d0877f251fac3c0f7d60eb12bb2143a6b5afb17180
[INFO] running `Command { std: "docker" "start" "-a" "ebd6a34a01c8c221485142d0877f251fac3c0f7d60eb12bb2143a6b5afb17180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebd6a34a01c8c221485142d0877f251fac3c0f7d60eb12bb2143a6b5afb17180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd6a34a01c8c221485142d0877f251fac3c0f7d60eb12bb2143a6b5afb17180", kill_on_drop: false }`
[INFO] [stdout] ebd6a34a01c8c221485142d0877f251fac3c0f7d60eb12bb2143a6b5afb17180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33126055f937a23577a5396f71fc3a2a0c02f5b4f9f87c1693075a0e002d23e6
[INFO] running `Command { std: "docker" "start" "-a" "33126055f937a23577a5396f71fc3a2a0c02f5b4f9f87c1693075a0e002d23e6", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling clap_derive v3.1.2
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking clap v3.1.3
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/bin/kvs.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(Commands::Set { key, value }) => {
[INFO] [stdout]    |                              ^^^ help: try ignoring the field: `key: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/bin/kvs.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(Commands::Set { key, value }) => {
[INFO] [stdout]    |                                   ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/bin/kvs.rs:36:29
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Some(Commands::Rm { key }) => {
[INFO] [stdout]    |                             ^^^ help: try ignoring the field: `key: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/bin/kvs.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(Commands::Set { key, value }) => {
[INFO] [stdout]    |                              ^^^ help: try ignoring the field: `key: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/bin/kvs.rs:32:35
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Some(Commands::Set { key, value }) => {
[INFO] [stdout]    |                                   ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/bin/kvs.rs:36:29
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Some(Commands::Rm { key }) => {
[INFO] [stdout]    |                             ^^^ help: try ignoring the field: `key: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.90s
[INFO] running `Command { std: "docker" "inspect" "33126055f937a23577a5396f71fc3a2a0c02f5b4f9f87c1693075a0e002d23e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33126055f937a23577a5396f71fc3a2a0c02f5b4f9f87c1693075a0e002d23e6", kill_on_drop: false }`
[INFO] [stdout] 33126055f937a23577a5396f71fc3a2a0c02f5b4f9f87c1693075a0e002d23e6