[INFO] cloning repository https://github.com/pirogoeth/unix-named-pipe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pirogoeth/unix-named-pipe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirogoeth%2Funix-named-pipe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirogoeth%2Funix-named-pipe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78bd325c82d13451027bc0b5c686f972358b8e9a
[INFO] checking pirogoeth/unix-named-pipe against master#485ec3fbcc12fa14ef6596dabb125ad710499c9e for pr-157710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpirogoeth%2Funix-named-pipe" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pirogoeth/unix-named-pipe
[INFO] finished tweaking git repo https://github.com/pirogoeth/unix-named-pipe
[INFO] tweaked toml for git repo https://github.com/pirogoeth/unix-named-pipe written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pirogoeth/unix-named-pipe on toolchain 485ec3fbcc12fa14ef6596dabb125ad710499c9e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pirogoeth/unix-named-pipe 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" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v0.2.6
[INFO] [stderr]   Downloaded errno v0.2.4
[INFO] [stderr]   Downloaded mini-internal v0.1.8
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded ctrlc v3.1.1
[INFO] [stderr]   Downloaded miniserde v0.1.8
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded syn v0.15.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c9216df67e06cabd36567b1ca07c084ed222247c01a918db330703bd55a70de3
[INFO] running `Command { std: "docker" "start" "c9216df67e06cabd36567b1ca07c084ed222247c01a918db330703bd55a70de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c9216df67e06cabd36567b1ca07c084ed222247c01a918db330703bd55a70de3" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9216df67e06cabd36567b1ca07c084ed222247c01a918db330703bd55a70de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c9216df67e06cabd36567b1ca07c084ed222247c01a918db330703bd55a70de3" "/opt/rustwide/cargo-home/bin/cargo" "+485ec3fbcc12fa14ef6596dabb125ad710499c9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking unix-named-pipe v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.11
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]    Compiling mini-internal v0.1.8
[INFO] [stderr]     Checking miniserde v0.1.8
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> examples/fixsz_server.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[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/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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 42 -                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[INFO] [stdout] 42 +                 _ => panic!("error while reading from pipe: {:?}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `numbers` is never read
[INFO] [stdout]   --> examples/varsz_server.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Message {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 23 |     numbers: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> examples/varsz_server.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Debug, MiniDeserialize)]
[INFO] [stdout]    |                 ^--------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Deserialize` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_MINIDESERIALIZE_FOR_Message`
[INFO] [stdout] 22 | struct Message {
[INFO] [stdout]    |        ------- `Message` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `MiniDeserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `MiniDeserialize` may come from an old version of the `mini_internal` crate, try updating your dependency with `cargo update -p mini_internal`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `MiniDeserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> examples/varsz_server.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[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/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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 50 -                 _ => panic!(format!("error while reading from pipe: {:?}", err)),
[INFO] [stdout] 50 +                 _ => panic!("error while reading from pipe: {:?}", err),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> examples/varsz_client.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, MiniSerialize)]
[INFO] [stdout]    |                 ^------------
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 `Serialize` is not local
[INFO] [stdout]    |                 move the `impl` block outside of this constant `_IMPL_MINISERIALIZE_FOR_Message`
[INFO] [stdout] 18 | struct Message {
[INFO] [stdout]    |        ------- `Message` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `MiniSerialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `MiniSerialize` may come from an old version of the `mini_internal` crate, try updating your dependency with `cargo update -p mini_internal`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `MiniSerialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `Command { std: "docker" "inspect" "c9216df67e06cabd36567b1ca07c084ed222247c01a918db330703bd55a70de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9216df67e06cabd36567b1ca07c084ed222247c01a918db330703bd55a70de3", kill_on_drop: false }`
[INFO] [stdout] c9216df67e06cabd36567b1ca07c084ed222247c01a918db330703bd55a70de3
