[INFO] cloning repository https://github.com/ivanserachev/web_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivanserachev/web_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanserachev%2Fweb_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanserachev%2Fweb_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaed9f2681c56043bd12317fdefb1eb14bf2db8b
[INFO] checking ivanserachev/web_server against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivanserachev%2Fweb_server" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ivanserachev/web_server
[INFO] finished tweaking git repo https://github.com/ivanserachev/web_server
[INFO] tweaked toml for git repo https://github.com/ivanserachev/web_server written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ivanserachev/web_server on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ivanserachev/web_server 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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_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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e858bcaa0102a6b6260ef46e5bb804eeb9cad7d834caf6bbf6f77a956b3d4e1
[INFO] running `Command { std: "docker" "start" "-a" "6e858bcaa0102a6b6260ef46e5bb804eeb9cad7d834caf6bbf6f77a956b3d4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e858bcaa0102a6b6260ef46e5bb804eeb9cad7d834caf6bbf6f77a956b3d4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e858bcaa0102a6b6260ef46e5bb804eeb9cad7d834caf6bbf6f77a956b3d4e1", kill_on_drop: false }`
[INFO] [stdout] 6e858bcaa0102a6b6260ef46e5bb804eeb9cad7d834caf6bbf6f77a956b3d4e1
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e55328f3717b50810a023cc397dd77752d88620bd002de73aa2a34952a84da3
[INFO] running `Command { std: "docker" "start" "-a" "7e55328f3717b50810a023cc397dd77752d88620bd002de73aa2a34952a84da3", kill_on_drop: false }`
[INFO] [stderr]     Checking web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0560]: struct `ThreadPool` has no field named `workers`
[INFO] [stdout]   --> src/lib.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |         ThreadPool {workers};
[INFO] [stdout]    |                     ^^^^^^^ `ThreadPool` does not have this field
[INFO] [stdout]    |
[INFO] [stdout]    = note: all struct fields are already assigned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0560]: struct `ThreadPool` has no field named `workers`
[INFO] [stdout]   --> src/lib.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |         ThreadPool {workers};
[INFO] [stdout]    |                     ^^^^^^^ `ThreadPool` does not have this field
[INFO] [stdout]    |
[INFO] [stdout]    = note: all struct fields are already assigned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:6:42
[INFO] [stdout]    |
[INFO] [stdout] 6  |     pub fn new (thread_count : usize) -> ThreadPool {
[INFO] [stdout]    |            ---                           ^^^^^^^^^^ expected `ThreadPool`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 16 |         ThreadPool {workers};
[INFO] [stdout]    |                             - help: remove this semicolon to return this value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn execute <F> (&self, f: F)
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:6:42
[INFO] [stdout]    |
[INFO] [stdout] 6  |     pub fn new (thread_count : usize) -> ThreadPool {
[INFO] [stdout]    |            ---                           ^^^^^^^^^^ expected `ThreadPool`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] ...
[INFO] [stdout] 16 |         ThreadPool {workers};
[INFO] [stdout]    |                             - help: remove this semicolon to return this value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn execute <F> (&self, f: F)
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0560.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0560.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `web_server` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `web_server` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7e55328f3717b50810a023cc397dd77752d88620bd002de73aa2a34952a84da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e55328f3717b50810a023cc397dd77752d88620bd002de73aa2a34952a84da3", kill_on_drop: false }`
[INFO] [stdout] 7e55328f3717b50810a023cc397dd77752d88620bd002de73aa2a34952a84da3