[INFO] fetching crate fourth 0.1.5...
[INFO] building fourth-0.1.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate fourth 0.1.5 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fourth 0.1.5
[INFO] finished tweaking crates.io crate fourth 0.1.5
[INFO] tweaked toml for crates.io crate fourth 0.1.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fourth 0.1.5 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fourth 0.1.5 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7369f6be4dc14a4cd00fd3da372048082e5633cc7e6b81d0c251b5fa6150747e
[INFO] running `Command { std: "docker" "start" "-a" "7369f6be4dc14a4cd00fd3da372048082e5633cc7e6b81d0c251b5fa6150747e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7369f6be4dc14a4cd00fd3da372048082e5633cc7e6b81d0c251b5fa6150747e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7369f6be4dc14a4cd00fd3da372048082e5633cc7e6b81d0c251b5fa6150747e", kill_on_drop: false }`
[INFO] [stdout] 7369f6be4dc14a4cd00fd3da372048082e5633cc7e6b81d0c251b5fa6150747e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8f635e2da978edd1dbe9fa30bc34eb91cf8f015ad6c80fbaa8f8a13b8440d0c
[INFO] running `Command { std: "docker" "start" "-a" "b8f635e2da978edd1dbe9fa30bc34eb91cf8f015ad6c80fbaa8f8a13b8440d0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling minimal-lexical v0.1.4
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling instant v0.1.11
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling phf v0.10.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling byte_string v1.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling kcp v0.4.10
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rusticata-macros v4.0.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tls-parser v0.11.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling nom-derive-impl v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling nom-derive v0.10.0
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling fourth v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `KcpNoDelayConfig`
[INFO] [stdout]  --> src/plugins/kcp/mod.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     config::{KcpConfig, KcpNoDelayConfig},
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/servers/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Server {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 13 |     pub proxies: Vec<Arc<Proxy>>,
[INFO] [stdout] 14 |     pub config: ParsedConfig,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Server` 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: fields `version` and `log` are never read
[INFO] [stdout]   --> src/config.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ParsedConfig {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 15 |     pub version: i32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 16 |     pub log: Option<String>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParsedConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/config.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct CustomUpstream {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 47 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomUpstream` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/config.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     IO(IOError),
[INFO] [stdout]    |     -- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 -     IO(IOError),
[INFO] [stdout] 54 +     IO(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/config.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Yaml(serde_yaml::Error),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 -     Yaml(serde_yaml::Error),
[INFO] [stdout] 55 +     Yaml(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/config.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Custom(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 56 -     Custom(String),
[INFO] [stdout] 56 +     Custom(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.83s
[INFO] running `Command { std: "docker" "inspect" "b8f635e2da978edd1dbe9fa30bc34eb91cf8f015ad6c80fbaa8f8a13b8440d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f635e2da978edd1dbe9fa30bc34eb91cf8f015ad6c80fbaa8f8a13b8440d0c", kill_on_drop: false }`
[INFO] [stdout] b8f635e2da978edd1dbe9fa30bc34eb91cf8f015ad6c80fbaa8f8a13b8440d0c
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc393bf6541ac8bfaf3f813964ee853654e7408f23f0ec1ceee69ced148328c6
[INFO] running `Command { std: "docker" "start" "-a" "cc393bf6541ac8bfaf3f813964ee853654e7408f23f0ec1ceee69ced148328c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fourth v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `KcpNoDelayConfig`
[INFO] [stdout]  --> src/plugins/kcp/mod.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     config::{KcpConfig, KcpNoDelayConfig},
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/config.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct CustomUpstream {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 47 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomUpstream` has derived impls for the traits `Clone` and `Debug`, but these are 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: field `config` is never read
[INFO] [stdout]   --> src/servers/mod.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Server {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 13 |     pub proxies: Vec<Arc<Proxy>>,
[INFO] [stdout] 14 |     pub config: ParsedConfig,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Server` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/config.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     IO(IOError),
[INFO] [stdout]    |     -- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 -     IO(IOError),
[INFO] [stdout] 54 +     IO(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/config.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Yaml(serde_yaml::Error),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 -     Yaml(serde_yaml::Error),
[INFO] [stdout] 55 +     Yaml(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/config.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Custom(String),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 56 -     Custom(String),
[INFO] [stdout] 56 +     Custom(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "cc393bf6541ac8bfaf3f813964ee853654e7408f23f0ec1ceee69ced148328c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc393bf6541ac8bfaf3f813964ee853654e7408f23f0ec1ceee69ced148328c6", kill_on_drop: false }`
[INFO] [stdout] cc393bf6541ac8bfaf3f813964ee853654e7408f23f0ec1ceee69ced148328c6
