[INFO] cloning repository https://github.com/21pages/punch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/21pages/punch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21pages%2Fpunch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21pages%2Fpunch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e37b4cefbbce07048e1d620a6c92c93a8297cd3
[INFO] checking 21pages/punch against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21pages%2Fpunch" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/21pages/punch
[INFO] finished tweaking git repo https://github.com/21pages/punch
[INFO] tweaked toml for git repo https://github.com/21pages/punch written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/21pages/punch on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/21pages/punch 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdd2b33c711279ce7d4b89ce28a52b9709109451d3ce66bdc37e47ecad5e046a
[INFO] running `Command { std: "docker" "start" "-a" "cdd2b33c711279ce7d4b89ce28a52b9709109451d3ce66bdc37e47ecad5e046a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdd2b33c711279ce7d4b89ce28a52b9709109451d3ce66bdc37e47ecad5e046a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd2b33c711279ce7d4b89ce28a52b9709109451d3ce66bdc37e47ecad5e046a", kill_on_drop: false }`
[INFO] [stdout] cdd2b33c711279ce7d4b89ce28a52b9709109451d3ce66bdc37e47ecad5e046a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae469137f380fa475781bd0ea36f2329853f4fb325d0f942592341d2416ad702
[INFO] running `Command { std: "docker" "start" "-a" "ae469137f380fa475781bd0ea36f2329853f4fb325d0f942592341d2416ad702", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling protobuf v3.0.0-alpha.6
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clap v3.1.0
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking punch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/tcp_client.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     /// Server addr
[INFO] [stdout] 25 | |     #[clap(short, long)]
[INFO] [stdout] 26 | |     server: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/tcp_client.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     /// ID
[INFO] [stdout] 29 | |     #[clap(short, long)]
[INFO] [stdout] 30 | |     id: String,
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/tcp_client.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// Peer id
[INFO] [stdout] 33 | |     #[clap(short, long)]
[INFO] [stdout] 34 | |     peer_id: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `punch` (bin "tcp_client" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/tcp_client.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     /// Server addr
[INFO] [stdout] 25 | |     #[clap(short, long)]
[INFO] [stdout] 26 | |     server: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/tcp_client.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     /// ID
[INFO] [stdout] 29 | |     #[clap(short, long)]
[INFO] [stdout] 30 | |     id: String,
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/udp_client.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Server addr
[INFO] [stdout] 16 | |     #[clap(short, long)]
[INFO] [stdout] 17 | |     server: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/tcp_client.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// Peer id
[INFO] [stdout] 33 | |     #[clap(short, long)]
[INFO] [stdout] 34 | |     peer_id: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/udp_client.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// id
[INFO] [stdout] 20 | |     #[clap(short, long)]
[INFO] [stdout] 21 | |     id: String,
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/udp_client.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     /// peer id
[INFO] [stdout] 24 | |     #[clap(short, long)]
[INFO] [stdout] 25 | |     peer_id: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `punch` (bin "udp_client" test) due to 3 previous errors
[INFO] [stderr] error: could not compile `punch` (bin "tcp_client") due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/udp_client.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Server addr
[INFO] [stdout] 16 | |     #[clap(short, long)]
[INFO] [stdout] 17 | |     server: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/udp_client.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// id
[INFO] [stdout] 20 | |     #[clap(short, long)]
[INFO] [stdout] 21 | |     id: String,
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/udp_client.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     /// peer id
[INFO] [stdout] 24 | |     #[clap(short, long)]
[INFO] [stdout] 25 | |     peer_id: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `punch` (bin "udp_client") due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/hybrid_client.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     /// Server addr
[INFO] [stdout] 18 | |     #[clap(short, long)]
[INFO] [stdout] 19 | |     server: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/hybrid_client.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     /// ID
[INFO] [stdout] 22 | |     #[clap(short, long)]
[INFO] [stdout] 23 | |     id: String,
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/hybrid_client.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     /// Point out Peer id when connect actively
[INFO] [stdout] 26 | |     #[clap(short, long)]
[INFO] [stdout] 27 | |     peer_id: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/hybrid_client.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     /// Server addr
[INFO] [stdout] 18 | |     #[clap(short, long)]
[INFO] [stdout] 19 | |     server: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/hybrid_client.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | /     /// ID
[INFO] [stdout] 22 | |     #[clap(short, long)]
[INFO] [stdout] 23 | |     id: String,
[INFO] [stdout]    | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/hybrid_client.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     /// Point out Peer id when connect actively
[INFO] [stdout] 26 | |     #[clap(short, long)]
[INFO] [stdout] 27 | |     peer_id: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `punch` (bin "hybrid_client") due to 3 previous errors
[INFO] [stderr] error: could not compile `punch` (bin "hybrid_client" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ae469137f380fa475781bd0ea36f2329853f4fb325d0f942592341d2416ad702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae469137f380fa475781bd0ea36f2329853f4fb325d0f942592341d2416ad702", kill_on_drop: false }`
[INFO] [stdout] ae469137f380fa475781bd0ea36f2329853f4fb325d0f942592341d2416ad702
