[INFO] fetching crate speed-rs-core 0.4.1...
[INFO] building speed-rs-core-0.4.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate speed-rs-core 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate speed-rs-core 0.4.1
[INFO] finished tweaking crates.io crate speed-rs-core 0.4.1
[INFO] tweaked toml for crates.io crate speed-rs-core 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate speed-rs-core 0.4.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate speed-rs-core 0.4.1 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a98509d174cbce2d025e1951f585220c0fa94c32a323b855213da665eaea04f0
[INFO] running `Command { std: "docker" "start" "-a" "a98509d174cbce2d025e1951f585220c0fa94c32a323b855213da665eaea04f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a98509d174cbce2d025e1951f585220c0fa94c32a323b855213da665eaea04f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a98509d174cbce2d025e1951f585220c0fa94c32a323b855213da665eaea04f0", kill_on_drop: false }`
[INFO] [stdout] a98509d174cbce2d025e1951f585220c0fa94c32a323b855213da665eaea04f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb3f009a2105cbe9898638d1c1f398d78c0f448a86de02ad4bd5b23c09190337
[INFO] running `Command { std: "docker" "start" "-a" "eb3f009a2105cbe9898638d1c1f398d78c0f448a86de02ad4bd5b23c09190337", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling speed-rs-core v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RequestErrorHandleFunc`
[INFO] [stdout]  --> src/utils.rs:5:89
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{HttpRequest, HttpServer, HttpStatusStruct, HttpResponse, RequestHandleFunc, RequestErrorHandleFunc};
[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 `size` is never read
[INFO] [stdout]   --> src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct HttpServerThreadPool {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 80 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/lib.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct HttpServerThreadExecutor {
[INFO] [stdout]    |        ------------------------ field in this struct
[INFO] [stdout] 86 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "eb3f009a2105cbe9898638d1c1f398d78c0f448a86de02ad4bd5b23c09190337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3f009a2105cbe9898638d1c1f398d78c0f448a86de02ad4bd5b23c09190337", kill_on_drop: false }`
[INFO] [stdout] eb3f009a2105cbe9898638d1c1f398d78c0f448a86de02ad4bd5b23c09190337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddfae97264087d880264b87ee1f56bab0c522b3c493899df7c7daab9d73676a9
[INFO] running `Command { std: "docker" "start" "-a" "ddfae97264087d880264b87ee1f56bab0c522b3c493899df7c7daab9d73676a9", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `RequestErrorHandleFunc`
[INFO] [stdout]  --> src/utils.rs:5:89
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{HttpRequest, HttpServer, HttpStatusStruct, HttpResponse, RequestHandleFunc, RequestErrorHandleFunc};
[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 `size` is never read
[INFO] [stdout]   --> src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct HttpServerThreadPool {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 80 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/lib.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct HttpServerThreadExecutor {
[INFO] [stdout]    |        ------------------------ field in this struct
[INFO] [stdout] 86 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling speed-rs-core v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RequestErrorHandleFunc`
[INFO] [stdout]  --> src/utils.rs:5:89
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{HttpRequest, HttpServer, HttpStatusStruct, HttpResponse, RequestHandleFunc, RequestErrorHandleFunc};
[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 `size` is never read
[INFO] [stdout]   --> src/lib.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct HttpServerThreadPool {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] 80 |     size: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/lib.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct HttpServerThreadExecutor {
[INFO] [stdout]    |        ------------------------ field in this struct
[INFO] [stdout] 86 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ddfae97264087d880264b87ee1f56bab0c522b3c493899df7c7daab9d73676a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfae97264087d880264b87ee1f56bab0c522b3c493899df7c7daab9d73676a9", kill_on_drop: false }`
[INFO] [stdout] ddfae97264087d880264b87ee1f56bab0c522b3c493899df7c7daab9d73676a9