[INFO] cloning repository https://github.com/KoraLoud/bifrost
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KoraLoud/bifrost" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoraLoud%2Fbifrost", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoraLoud%2Fbifrost'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ad55e86dd0f20eacfc6ba158fd17459cd22e1f6
[INFO] checking KoraLoud/bifrost/8ad55e86dd0f20eacfc6ba158fd17459cd22e1f6 against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKoraLoud%2Fbifrost" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KoraLoud/bifrost on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KoraLoud/bifrost
[INFO] finished tweaking git repo https://github.com/KoraLoud/bifrost
[INFO] tweaked toml for git repo https://github.com/KoraLoud/bifrost written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KoraLoud/bifrost 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95807201d5f8e1ade3d29ad5e792b603aad15c2d2fb346d673379dc759f029e9
[INFO] running `Command { std: "docker" "start" "-a" "95807201d5f8e1ade3d29ad5e792b603aad15c2d2fb346d673379dc759f029e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95807201d5f8e1ade3d29ad5e792b603aad15c2d2fb346d673379dc759f029e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95807201d5f8e1ade3d29ad5e792b603aad15c2d2fb346d673379dc759f029e9", kill_on_drop: false }`
[INFO] [stdout] 95807201d5f8e1ade3d29ad5e792b603aad15c2d2fb346d673379dc759f029e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60bad556ae8686b005df627bcb6b1257079ea5db3e966a49acced34bfa99f37b
[INFO] running `Command { std: "docker" "start" "-a" "60bad556ae8686b005df627bcb6b1257079ea5db3e966a49acced34bfa99f37b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking bifrost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fmt`
[INFO] [stdout]  --> src/http_response.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::HashMap, fmt};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt`
[INFO] [stdout]  --> src/http_response.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::HashMap, fmt};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/thread_pool.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `thread_num` and `thread` are never read
[INFO] [stdout]   --> src/thread_pool.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 36 |     thread_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 37 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/thread_pool.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 8 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `thread_num` and `thread` are never read
[INFO] [stdout]   --> src/thread_pool.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Worker {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 36 |     thread_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 37 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mt`
[INFO] [stdout]   --> src/main.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mt = Arc::clone(&mimetype_table);
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_mt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mt`
[INFO] [stdout]   --> src/main.rs:44:13
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mt = Arc::clone(&mimetype_table);
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_mt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "60bad556ae8686b005df627bcb6b1257079ea5db3e966a49acced34bfa99f37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60bad556ae8686b005df627bcb6b1257079ea5db3e966a49acced34bfa99f37b", kill_on_drop: false }`
[INFO] [stdout] 60bad556ae8686b005df627bcb6b1257079ea5db3e966a49acced34bfa99f37b