[INFO] cloning repository https://github.com/Protryon/synchrony
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Protryon/synchrony" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProtryon%2Fsynchrony", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b326af8fc11a120d7f49e92672424159c38bbf1a
[INFO] checking Protryon/synchrony against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProtryon%2Fsynchrony" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Protryon/synchrony on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Protryon/synchrony
[INFO] finished tweaking git repo https://github.com/Protryon/synchrony
[INFO] tweaked toml for git repo https://github.com/Protryon/synchrony written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Protryon/synchrony 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7cb084dc5f40a94985285e1ae276cca39c155eba665e1de3b692f27b9b92e50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb084dc5f40a94985285e1ae276cca39c155eba665e1de3b692f27b9b92e50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb084dc5f40a94985285e1ae276cca39c155eba665e1de3b692f27b9b92e50d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/util/config.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub static ref NODE_TYPE: String = { default_env("NODE_TYPE", "default") };
[INFO] [stdout]   |                                        ^^                                   ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 8 -     pub static ref NODE_TYPE: String = { default_env("NODE_TYPE", "default") };
[INFO] [stdout] 8 +     pub static ref NODE_TYPE: String = default_env("NODE_TYPE", "default");
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/util/config.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub static ref STORE_TYPE: String = { default_env("STORE_TYPE", "redis") };
[INFO] [stdout]   |                                         ^^                                  ^^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 9 -     pub static ref STORE_TYPE: String = { default_env("STORE_TYPE", "redis") };
[INFO] [stdout] 9 +     pub static ref STORE_TYPE: String = default_env("STORE_TYPE", "redis");
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub static ref REDIS_HOST: String = { default_env("REDIS_HOST", "127.0.0.1") };
[INFO] [stdout]    |                                         ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 10 -     pub static ref REDIS_HOST: String = { default_env("REDIS_HOST", "127.0.0.1") };
[INFO] [stdout] 10 +     pub static ref REDIS_HOST: String = default_env("REDIS_HOST", "127.0.0.1");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub static ref REDIS_PORT: String = { default_env("REDIS_PORT", "6379") };
[INFO] [stdout]    |                                         ^^                                 ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -     pub static ref REDIS_PORT: String = { default_env("REDIS_PORT", "6379") };
[INFO] [stdout] 11 +     pub static ref REDIS_PORT: String = default_env("REDIS_PORT", "6379");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:12:45
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static ref REDIS_DATABASE: String = { default_env("REDIS_DATABASE", "") };
[INFO] [stdout]    |                                             ^^                                 ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub static ref REDIS_DATABASE: String = { default_env("REDIS_DATABASE", "") };
[INFO] [stdout] 12 +     pub static ref REDIS_DATABASE: String = default_env("REDIS_DATABASE", "");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub static ref HTTP_SERVER_ENABLED: String = { default_env("HTTP_SERVER_ENABLED", "true") };
[INFO] [stdout]    |                                                  ^^                                          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     pub static ref HTTP_SERVER_ENABLED: String = { default_env("HTTP_SERVER_ENABLED", "true") };
[INFO] [stdout] 13 +     pub static ref HTTP_SERVER_ENABLED: String = default_env("HTTP_SERVER_ENABLED", "true");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:14:48
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref HTTP_BIND_ADDRESS: String = { default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071") };
[INFO] [stdout]    |                                                ^^                                                   ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     pub static ref HTTP_BIND_ADDRESS: String = { default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071") };
[INFO] [stdout] 14 +     pub static ref HTTP_BIND_ADDRESS: String = default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub static ref HTTP_API_KEY: String = { default_env("HTTP_API_KEY", "dev_key") };
[INFO] [stdout]    |                                           ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 15 -     pub static ref HTTP_API_KEY: String = { default_env("HTTP_API_KEY", "dev_key") };
[INFO] [stdout] 15 +     pub static ref HTTP_API_KEY: String = default_env("HTTP_API_KEY", "dev_key");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/exec/executors/bash.rs:116:39
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     if arr.iter().any({ |arg| !arg.is_string()}) {
[INFO] [stdout]     |                                       ^^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 116 -                     if arr.iter().any({ |arg| !arg.is_string()}) {
[INFO] [stdout] 116 +                     if arr.iter().any(|arg| !arg.is_string()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::exec::executor::*`
[INFO] [stdout]  --> src/threads/worker_thread.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::exec::executor::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/threads/worker_thread.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |         thread::sleep_ms(1000);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/threads/ping_thread.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |             thread::sleep_ms(interval);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/threads/scheduler_thread.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |             thread::sleep_ms(interval);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/util/config.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub static ref NODE_TYPE: String = { default_env("NODE_TYPE", "default") };
[INFO] [stdout]   |                                        ^^                                   ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 8 -     pub static ref NODE_TYPE: String = { default_env("NODE_TYPE", "default") };
[INFO] [stdout] 8 +     pub static ref NODE_TYPE: String = default_env("NODE_TYPE", "default");
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]  --> src/util/config.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub static ref STORE_TYPE: String = { default_env("STORE_TYPE", "redis") };
[INFO] [stdout]   |                                         ^^                                  ^^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 9 -     pub static ref STORE_TYPE: String = { default_env("STORE_TYPE", "redis") };
[INFO] [stdout] 9 +     pub static ref STORE_TYPE: String = default_env("STORE_TYPE", "redis");
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub static ref REDIS_HOST: String = { default_env("REDIS_HOST", "127.0.0.1") };
[INFO] [stdout]    |                                         ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 10 -     pub static ref REDIS_HOST: String = { default_env("REDIS_HOST", "127.0.0.1") };
[INFO] [stdout] 10 +     pub static ref REDIS_HOST: String = default_env("REDIS_HOST", "127.0.0.1");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub static ref REDIS_PORT: String = { default_env("REDIS_PORT", "6379") };
[INFO] [stdout]    |                                         ^^                                 ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 11 -     pub static ref REDIS_PORT: String = { default_env("REDIS_PORT", "6379") };
[INFO] [stdout] 11 +     pub static ref REDIS_PORT: String = default_env("REDIS_PORT", "6379");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:12:45
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub static ref REDIS_DATABASE: String = { default_env("REDIS_DATABASE", "") };
[INFO] [stdout]    |                                             ^^                                 ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 12 -     pub static ref REDIS_DATABASE: String = { default_env("REDIS_DATABASE", "") };
[INFO] [stdout] 12 +     pub static ref REDIS_DATABASE: String = default_env("REDIS_DATABASE", "");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub static ref HTTP_SERVER_ENABLED: String = { default_env("HTTP_SERVER_ENABLED", "true") };
[INFO] [stdout]    |                                                  ^^                                          ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     pub static ref HTTP_SERVER_ENABLED: String = { default_env("HTTP_SERVER_ENABLED", "true") };
[INFO] [stdout] 13 +     pub static ref HTTP_SERVER_ENABLED: String = default_env("HTTP_SERVER_ENABLED", "true");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:14:48
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub static ref HTTP_BIND_ADDRESS: String = { default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071") };
[INFO] [stdout]    |                                                ^^                                                   ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 14 -     pub static ref HTTP_BIND_ADDRESS: String = { default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071") };
[INFO] [stdout] 14 +     pub static ref HTTP_BIND_ADDRESS: String = default_env("HTTP_BIND_ADDRESS", "127.0.0.1:23071");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/util/config.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub static ref HTTP_API_KEY: String = { default_env("HTTP_API_KEY", "dev_key") };
[INFO] [stdout]    |                                           ^^                                      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 15 -     pub static ref HTTP_API_KEY: String = { default_env("HTTP_API_KEY", "dev_key") };
[INFO] [stdout] 15 +     pub static ref HTTP_API_KEY: String = default_env("HTTP_API_KEY", "dev_key");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/exec/executors/bash.rs:116:39
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     if arr.iter().any({ |arg| !arg.is_string()}) {
[INFO] [stdout]     |                                       ^^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 116 -                     if arr.iter().any({ |arg| !arg.is_string()}) {
[INFO] [stdout] 116 +                     if arr.iter().any(|arg| !arg.is_string()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::exec::executor::*`
[INFO] [stdout]  --> src/threads/worker_thread.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::exec::executor::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |         thread::sleep_ms(1000);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/threads/ping_thread.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |             thread::sleep_ms(interval);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/threads/scheduler_thread.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |             thread::sleep_ms(interval);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/threads/scheduler_thread.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |         thread::sleep_ms(1000);
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clean` is never used
[INFO] [stdout]   --> src/store/mod.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Store {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn clean(&mut self);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timeout` is never read
[INFO] [stdout]   --> src/exec/executors/bash.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BashExecutorContext {
[INFO] [stdout]    |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub timeout: Option<u64>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `timeout` is never read
[INFO] [stdout]   --> src/exec/executors/bash.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct BashExecutorContext {
[INFO] [stdout]    |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub timeout: Option<u64>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.13.0, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0d98eadd3b01907139c062933bf26e758fbdca8fce6c1552f6edf0126318b1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d98eadd3b01907139c062933bf26e758fbdca8fce6c1552f6edf0126318b1b4", kill_on_drop: false }`
[INFO] [stdout] 0d98eadd3b01907139c062933bf26e758fbdca8fce6c1552f6edf0126318b1b4
[INFO] checking Protryon/synchrony against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProtryon%2Fsynchrony" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Protryon/synchrony on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Protryon/synchrony
[INFO] finished tweaking git repo https://github.com/Protryon/synchrony
[INFO] tweaked toml for git repo https://github.com/Protryon/synchrony written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Protryon/synchrony 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" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aff533418aed0fe07b1b4372d16f193c1a3279d54b3fd793208b9cbcb791708
[INFO] running `Command { std: "docker" "start" "-a" "4aff533418aed0fe07b1b4372d16f193c1a3279d54b3fd793208b9cbcb791708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aff533418aed0fe07b1b4372d16f193c1a3279d54b3fd793208b9cbcb791708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aff533418aed0fe07b1b4372d16f193c1a3279d54b3fd793208b9cbcb791708", kill_on_drop: false }`
[INFO] [stdout] 4aff533418aed0fe07b1b4372d16f193c1a3279d54b3fd793208b9cbcb791708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8e165c818bab7a8455ccea7cbe0eaaa6b3a6c362176673219c75c8c27ca68a0
[INFO] running `Command { std: "docker" "start" "-a" "e8e165c818bab7a8455ccea7cbe0eaaa6b3a6c362176673219c75c8c27ca68a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stdout] error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/typemap-0.3.3/src/lib.rs:185:18
[INFO] [stdout]     |
[INFO] [stdout] 185 | impl<'a, K: Key, A: ?Sized + UnsafeAnyExt + 'a = UnsafeAny> Entry<'a, K, A> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr] error: could not compile `typemap` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e8e165c818bab7a8455ccea7cbe0eaaa6b3a6c362176673219c75c8c27ca68a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e165c818bab7a8455ccea7cbe0eaaa6b3a6c362176673219c75c8c27ca68a0", kill_on_drop: false }`
[INFO] [stdout] e8e165c818bab7a8455ccea7cbe0eaaa6b3a6c362176673219c75c8c27ca68a0
