[INFO] cloning repository https://github.com/cdgmachado0/server-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdgmachado0/server-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdgmachado0%2Fserver-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdgmachado0%2Fserver-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b93a558205b6123741b5a604af71a1f15bf8250
[INFO] checking cdgmachado0/server-book against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdgmachado0%2Fserver-book" "/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/cdgmachado0/server-book
[INFO] finished tweaking git repo https://github.com/cdgmachado0/server-book
[INFO] tweaked toml for git repo https://github.com/cdgmachado0/server-book written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cdgmachado0/server-book on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cdgmachado0/server-book 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" "+54cf65b8d066c082e536455049b95943cf30378f" "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-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2aa67d26fe91acd2fcedb2f92bf24bb78d76fce972bcf4659a2194b7c42c88d6
[INFO] running `Command { std: "docker" "start" "-a" "2aa67d26fe91acd2fcedb2f92bf24bb78d76fce972bcf4659a2194b7c42c88d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aa67d26fe91acd2fcedb2f92bf24bb78d76fce972bcf4659a2194b7c42c88d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa67d26fe91acd2fcedb2f92bf24bb78d76fce972bcf4659a2194b7c42c88d6", kill_on_drop: false }`
[INFO] [stdout] 2aa67d26fe91acd2fcedb2f92bf24bb78d76fce972bcf4659a2194b7c42c88d6
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae28c7b3f9a3cd6093ab7ebed0bc7cf33b58ae008f7551a2f7f15495b373b964
[INFO] running `Command { std: "docker" "start" "-a" "ae28c7b3f9a3cd6093ab7ebed0bc7cf33b58ae008f7551a2f7f15495b373b964", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking rusty_pool v0.7.0
[INFO] [stderr]     Checking my-server-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt::{self, Debug};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lib.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt::{self, Debug};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `ThreadPool` doesn't implement `Debug`
[INFO] [stdout]    --> src/lib.rs:171:34
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let err = create_pool(0).unwrap_err().throw();
[INFO] [stdout]     |                                  ^^^^^^^^^^ the trait `Debug` is not implemented for `ThreadPool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: add `#[derive(Debug)]` to `ThreadPool` or manually `impl Debug for ThreadPool`
[INFO] [stdout] note: required by a bound in `Result::<T, E>::unwrap_err`
[INFO] [stdout]    --> /rustc/54cf65b8d066c082e536455049b95943cf30378f/library/core/src/result.rs:1324:4
[INFO] [stdout] help: consider annotating `ThreadPool` with `#[derive(Debug)]`
[INFO] [stdout]     |
[INFO] [stdout]  11 + #[derive(Debug)]
[INFO] [stdout]  12 | pub struct ThreadPool {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my-server-book` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ae28c7b3f9a3cd6093ab7ebed0bc7cf33b58ae008f7551a2f7f15495b373b964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae28c7b3f9a3cd6093ab7ebed0bc7cf33b58ae008f7551a2f7f15495b373b964", kill_on_drop: false }`
[INFO] [stdout] ae28c7b3f9a3cd6093ab7ebed0bc7cf33b58ae008f7551a2f7f15495b373b964