[INFO] cloning repository https://github.com/hortenbach/rust_http
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hortenbach/rust_http" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhortenbach%2Frust_http", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhortenbach%2Frust_http'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhortenbach%2Frust_http: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/hortenbach/rust_http
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hortenbach/rust_http" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhortenbach%2Frust_http", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhortenbach%2Frust_http'...
[INFO] [stderr] error: failed to write new configuration file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhortenbach%2Frust_http/config.lock
[INFO] [stderr] fatal: could not set 'core.repositoryformatversion' to '0'
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/hortenbach/rust_http
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hortenbach/rust_http" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhortenbach%2Frust_http", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhortenbach%2Frust_http'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d059276e1296163af06c58df07c60d685a3221cd
[INFO] checking hortenbach/rust_http against master#19f42cb9bb65555e7d95dab7d17573ae6c5d634c for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhortenbach%2Frust_http" "/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/hortenbach/rust_http on toolchain 19f42cb9bb65555e7d95dab7d17573ae6c5d634c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hortenbach/rust_http
[INFO] finished tweaking git repo https://github.com/hortenbach/rust_http
[INFO] tweaked toml for git repo https://github.com/hortenbach/rust_http written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hortenbach/rust_http 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" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cbbf30847d0c2be07a9c7075ecd4097829d7b913994e6368197566e7f52fdfe
[INFO] running `Command { std: "docker" "start" "-a" "9cbbf30847d0c2be07a9c7075ecd4097829d7b913994e6368197566e7f52fdfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cbbf30847d0c2be07a9c7075ecd4097829d7b913994e6368197566e7f52fdfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cbbf30847d0c2be07a9c7075ecd4097829d7b913994e6368197566e7f52fdfe", kill_on_drop: false }`
[INFO] [stdout] 9cbbf30847d0c2be07a9c7075ecd4097829d7b913994e6368197566e7f52fdfe
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5c83a4155783e428c307a420607277911cc1a8b3cc189f8ae6ee3d9fa2bc5ed
[INFO] running `Command { std: "docker" "start" "-a" "b5c83a4155783e428c307a420607277911cc1a8b3cc189f8ae6ee3d9fa2bc5ed", kill_on_drop: false }`
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{ Write, Read };
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value as QueryStringValue`
[INFO] [stdout]  --> src/http/mod.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use query_string::{ QueryString, Value as QueryStringValue };
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `Result as FmtResult`, and `net::TcpStream`
[INFO] [stdout]  --> src/http/response.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{ fmt::{ Display, Formatter, Result as FmtResult }, net::TcpStream };
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{ Write, Read };
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value as QueryStringValue`
[INFO] [stdout]  --> src/http/mod.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use query_string::{ QueryString, Value as QueryStringValue };
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `Result as FmtResult`, and `net::TcpStream`
[INFO] [stdout]  --> src/http/response.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{ fmt::{ Display, Formatter, Result as FmtResult }, net::TcpStream };
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 | ...                   response.send(&mut stream);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |                             let _ = response.send(&mut stream);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 | ...                   response.send(&mut stream);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |                             let _ = response.send(&mut stream);
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "b5c83a4155783e428c307a420607277911cc1a8b3cc189f8ae6ee3d9fa2bc5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c83a4155783e428c307a420607277911cc1a8b3cc189f8ae6ee3d9fa2bc5ed", kill_on_drop: false }`
[INFO] [stdout] b5c83a4155783e428c307a420607277911cc1a8b3cc189f8ae6ee3d9fa2bc5ed