[INFO] cloning repository https://github.com/EdouardVanbelle/rforwarder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EdouardVanbelle/rforwarder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdouardVanbelle%2Frforwarder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdouardVanbelle%2Frforwarder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81a4915fe4aae2ae39e5844e0c83d608f663b759
[INFO] checking EdouardVanbelle/rforwarder against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdouardVanbelle%2Frforwarder" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EdouardVanbelle/rforwarder
[INFO] finished tweaking git repo https://github.com/EdouardVanbelle/rforwarder
[INFO] tweaked toml for git repo https://github.com/EdouardVanbelle/rforwarder written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EdouardVanbelle/rforwarder on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EdouardVanbelle/rforwarder 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v5.0.0
[INFO] [stderr]   Downloaded errno v0.3.13
[INFO] [stderr]   Downloaded serde_yaml_ng v0.9.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4426d4f3580b5ec92ccfd1f06b43b39c21b108c8c91e41fa9233d6a0ef23694
[INFO] running `Command { std: "docker" "start" "-a" "e4426d4f3580b5ec92ccfd1f06b43b39c21b108c8c91e41fa9233d6a0ef23694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4426d4f3580b5ec92ccfd1f06b43b39c21b108c8c91e41fa9233d6a0ef23694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4426d4f3580b5ec92ccfd1f06b43b39c21b108c8c91e41fa9233d6a0ef23694", kill_on_drop: false }`
[INFO] [stdout] e4426d4f3580b5ec92ccfd1f06b43b39c21b108c8c91e41fa9233d6a0ef23694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c04a97fcd6a54d99cd69d3143016e27d86358acc989499d1757a47e533f453d0
[INFO] running `Command { std: "docker" "start" "-a" "c04a97fcd6a54d99cd69d3143016e27d86358acc989499d1757a47e533f453d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking simple_logger v5.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_yaml_ng v0.9.36
[INFO] [stderr]     Checking forwarder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `onClose` is never read
[INFO] [stdout]   --> src/stream.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Stream {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub onClose: Option<fn(&Self)>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stream` 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: function `event_handler` is never used
[INFO] [stdout]   --> src/worker.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn event_handler(_: &stream::Stream) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `peer_id` is never used
[INFO] [stdout]    --> src/worker.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout]  79 | impl Worker {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 388 |     pub fn peer_id(id: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]  --> src/pair.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Pair {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `onClose` is never read
[INFO] [stdout]   --> src/stream.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Stream {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub onClose: Option<fn(&Self)>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stream` 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: function `event_handler` is never used
[INFO] [stdout]   --> src/worker.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn event_handler(_: &stream::Stream) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `peer_id` is never used
[INFO] [stdout]    --> src/worker.rs:388:12
[INFO] [stdout]     |
[INFO] [stdout]  79 | impl Worker {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 388 |     pub fn peer_id(id: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]  --> src/pair.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Pair {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `onData` should have a snake case name
[INFO] [stdout]   --> src/stream.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub onData: Option<fn(&Self, &[u8])>,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `on_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `onClose` should have a snake case name
[INFO] [stdout]   --> src/stream.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub onClose: Option<fn(&Self)>,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `on_close`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `onData` should have a snake case name
[INFO] [stdout]   --> src/stream.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub onData: Option<fn(&Self, &[u8])>,
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `on_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `onClose` should have a snake case name
[INFO] [stdout]   --> src/stream.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub onClose: Option<fn(&Self)>,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `on_close`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/stream.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |                     self.conn_a.write(&buffer);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 252 |                     let _ = self.conn_a.write(&buffer);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/stream.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             self.conn_b.as_mut().unwrap().write(&buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 265 |             let _ = self.conn_b.as_mut().unwrap().write(&buffer);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/stream.rs:358:17
[INFO] [stdout]     |
[INFO] [stdout] 358 |                 self.conn_a.shutdown(Shutdown::Both);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 358 |                 let _ = self.conn_a.shutdown(Shutdown::Both);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/worker.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     new_stream.conn_a.shutdown(Shutdown::Both);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     let _ = new_stream.conn_a.shutdown(Shutdown::Both);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/worker.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     self.poller.delete(new_stream.conn_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     let _ = self.poller.delete(new_stream.conn_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/stream.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |                     self.conn_a.write(&buffer);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 252 |                     let _ = self.conn_a.write(&buffer);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/stream.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |             self.conn_b.as_mut().unwrap().write(&buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 265 |             let _ = self.conn_b.as_mut().unwrap().write(&buffer);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/stream.rs:358:17
[INFO] [stdout]     |
[INFO] [stdout] 358 |                 self.conn_a.shutdown(Shutdown::Both);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 358 |                 let _ = self.conn_a.shutdown(Shutdown::Both);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/worker.rs:402:17
[INFO] [stdout]     |
[INFO] [stdout] 402 |                 self.poller.delete(&stream.conn_a);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 402 |                 let _ = self.poller.delete(&stream.conn_a);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/worker.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     new_stream.conn_a.shutdown(Shutdown::Both);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     let _ = new_stream.conn_a.shutdown(Shutdown::Both);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/worker.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     self.poller.delete(new_stream.conn_a);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     let _ = self.poller.delete(new_stream.conn_a);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/worker.rs:402:17
[INFO] [stdout]     |
[INFO] [stdout] 402 |                 self.poller.delete(&stream.conn_a);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 402 |                 let _ = self.poller.delete(&stream.conn_a);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "c04a97fcd6a54d99cd69d3143016e27d86358acc989499d1757a47e533f453d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04a97fcd6a54d99cd69d3143016e27d86358acc989499d1757a47e533f453d0", kill_on_drop: false }`
[INFO] [stdout] c04a97fcd6a54d99cd69d3143016e27d86358acc989499d1757a47e533f453d0
