[INFO] fetching crate netmod-tcp 0.4.0...
[INFO] checking netmod-tcp-0.4.0 against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] extracting crate netmod-tcp 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate netmod-tcp 0.4.0
[INFO] finished tweaking crates.io crate netmod-tcp 0.4.0
[INFO] tweaked toml for crates.io crate netmod-tcp 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate netmod-tcp 0.4.0 on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "generate-lockfile" "--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
[INFO] [stderr]      Locking 128 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.12)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "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] 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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8fff9c01d6c92e6b81db9e7508a9c8ebe2a063df625a3c63e0866131d4403e1
[INFO] running `Command { std: "docker" "start" "-a" "e8fff9c01d6c92e6b81db9e7508a9c8ebe2a063df625a3c63e0866131d4403e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8fff9c01d6c92e6b81db9e7508a9c8ebe2a063df625a3c63e0866131d4403e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fff9c01d6c92e6b81db9e7508a9c8ebe2a063df625a3c63e0866131d4403e1", kill_on_drop: false }`
[INFO] [stdout] e8fff9c01d6c92e6b81db9e7508a9c8ebe2a063df625a3c63e0866131d4403e1
[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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b099243aea30bfd8ce5a7899dcc1974713562659e2e019170c0b5f1374db2c55
[INFO] running `Command { std: "docker" "start" "-a" "b099243aea30bfd8ce5a7899dcc1974713562659e2e019170c0b5f1374db2c55", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
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[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.88
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[INFO] [stderr]     Checking ratman-netmod v0.5.1
[INFO] [stderr]     Checking netmod-tcp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/server.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/server.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 (_, Frame(f)) => self.handle_frame(peer.id, f).await,
[INFO] [stdout]     |                 ------------- matches some of the same values
[INFO] [stdout] 151 |                 (state, Hello { port, _type }) => {
[INFO] [stdout]     |                 ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 155 |                 (_, Ack) => trace!("Received ACK packet on wrong i/o stream. woops"),
[INFO] [stdout]     |                 -------- matches some of the same values
[INFO] [stdout] 156 |                 (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let mut parts: Vec<_> = p.split(|x| x == ' ').collect();
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/server.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/server.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 (_, Frame(f)) => self.handle_frame(peer.id, f).await,
[INFO] [stdout]     |                 ------------- matches some of the same values
[INFO] [stdout] 151 |                 (state, Hello { port, _type }) => {
[INFO] [stdout]     |                 ------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 155 |                 (_, Ack) => trace!("Received ACK packet on wrong i/o stream. woops"),
[INFO] [stdout]     |                 -------- matches some of the same values
[INFO] [stdout] 156 |                 (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let mut parts: Vec<_> = p.split(|x| x == ' ').collect();
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/server.rs:156:43
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 156 -                 (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)),
[INFO] [stdout] 156 +                 (state, packet) => panic!("state={:?}, packet={:?}", state, packet),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/server.rs:156:43
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 156 -                 (state, packet) => panic!(format!("state={:?}, packet={:?}", state, packet)),
[INFO] [stdout] 156 +                 (state, packet) => panic!("state={:?}, packet={:?}", state, packet),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.71s
[INFO] running `Command { std: "docker" "inspect" "b099243aea30bfd8ce5a7899dcc1974713562659e2e019170c0b5f1374db2c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b099243aea30bfd8ce5a7899dcc1974713562659e2e019170c0b5f1374db2c55", kill_on_drop: false }`
[INFO] [stdout] b099243aea30bfd8ce5a7899dcc1974713562659e2e019170c0b5f1374db2c55
