[INFO] cloning repository https://github.com/abigailsdev/quarc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abigailsdev/quarc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigailsdev%2Fquarc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigailsdev%2Fquarc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 649116f73951da6c3ebcf6dd358198c4bcad9727
[INFO] checking abigailsdev/quarc against 656a9da186dacaf3bf8f7f7296a825d256cb4ae3 for pr-158915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabigailsdev%2Fquarc" "/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/abigailsdev/quarc
[INFO] finished tweaking git repo https://github.com/abigailsdev/quarc
[INFO] tweaked toml for git repo https://github.com/abigailsdev/quarc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abigailsdev/quarc on toolchain 656a9da186dacaf3bf8f7f7296a825d256cb4ae3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abigailsdev/quarc 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" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.92
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.92
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]   Downloaded url v2.5.0
[INFO] [stderr]   Downloaded futures-task v0.3.30
[INFO] [stderr]   Downloaded phf v0.7.24
[INFO] [stderr]   Downloaded windows-targets v0.52.4
[INFO] [stderr]   Downloaded futures-sink v0.3.30
[INFO] [stderr]   Downloaded futures-io v0.3.30
[INFO] [stderr]   Downloaded itoa v1.0.10
[INFO] [stderr]   Downloaded futures-core v0.3.30
[INFO] [stderr]   Downloaded libflate_lz77 v1.2.0
[INFO] [stderr]   Downloaded autocfg v0.1.8
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.42
[INFO] [stderr]   Downloaded errno v0.3.8
[INFO] [stderr]   Downloaded fastrand v2.0.1
[INFO] [stderr]   Downloaded pkg-config v0.3.30
[INFO] [stderr]   Downloaded ipnet v2.9.0
[INFO] [stderr]   Downloaded futures-channel v0.3.30
[INFO] [stderr]   Downloaded unicode-bidi v0.3.15
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded libflate v1.4.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded iana-time-zone v0.1.60
[INFO] [stderr]   Downloaded pin-project-lite v0.2.13
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.92
[INFO] [stderr]   Downloaded once_cell v1.19.0
[INFO] [stderr]   Downloaded log v0.4.21
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.6
[INFO] [stderr]   Downloaded soup v0.5.1
[INFO] [stderr]   Downloaded addr2line v0.21.0
[INFO] [stderr]   Downloaded tempfile v3.10.1
[INFO] [stderr]   Downloaded bitflags v2.4.2
[INFO] [stderr]   Downloaded security-framework-sys v2.9.1
[INFO] [stderr]   Downloaded schannel v0.1.23
[INFO] [stderr]   Downloaded unicode-normalization v0.1.23
[INFO] [stderr]   Downloaded crc32fast v1.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.78
[INFO] [stderr]   Downloaded num-traits v0.2.18
[INFO] [stderr]   Downloaded markup5ever v0.7.5
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded socket2 v0.5.6
[INFO] [stderr]   Downloaded bytes v1.5.0
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.3
[INFO] [stderr]   Downloaded cc v1.0.89
[INFO] [stderr]   Downloaded miniz_oxide v0.7.2
[INFO] [stderr]   Downloaded security-framework v2.9.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.101
[INFO] [stderr]   Downloaded indexmap v2.2.5
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.92
[INFO] [stderr]   Downloaded bumpalo v3.15.3
[INFO] [stderr]   Downloaded js-sys v0.3.69
[INFO] [stderr]   Downloaded serde v1.0.197
[INFO] [stderr]   Downloaded mio v0.8.11
[INFO] [stderr]   Downloaded backtrace v0.3.69
[INFO] [stderr]   Downloaded tokio-util v0.7.10
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded nom v5.1.3
[INFO] [stderr]   Downloaded hashbrown v0.14.3
[INFO] [stderr]   Downloaded futures-util v0.3.30
[INFO] [stderr]   Downloaded reqwest v0.11.24
[INFO] [stderr]   Downloaded idna v0.5.0
[INFO] [stderr]   Downloaded h2 v0.3.24
[INFO] [stderr]   Downloaded aho-corasick v1.1.2
[INFO] [stderr]   Downloaded hyper v0.14.28
[INFO] [stderr]   Downloaded html5ever v0.22.5
[INFO] [stderr]   Downloaded chrono v0.4.34
[INFO] [stderr]   Downloaded regex v1.10.3
[INFO] [stderr]   Downloaded syn v2.0.52
[INFO] [stderr]   Downloaded openssl v0.10.64
[INFO] [stderr]   Downloaded object v0.32.2
[INFO] [stderr]   Downloaded gimli v0.28.1
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.4
[INFO] [stderr]   Downloaded regex-syntax v0.8.2
[INFO] [stderr]   Downloaded rustix v0.38.31
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.4
[INFO] [stderr]   Downloaded warc v0.3.2
[INFO] [stderr]   Downloaded libc v0.2.153
[INFO] [stderr]   Downloaded web-sys v0.3.69
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.4
[INFO] [stderr]   Downloaded tokio v1.36.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.4
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.4
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.4
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.4
[INFO] [stderr]   Downloaded encoding_rs v0.8.33
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5c1b69a34fa8ccd2bae3460f09f6afda30097938a4a72bce86e5cb8be79f6581
[INFO] running `Command { std: "docker" "start" "5c1b69a34fa8ccd2bae3460f09f6afda30097938a4a72bce86e5cb8be79f6581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c1b69a34fa8ccd2bae3460f09f6afda30097938a4a72bce86e5cb8be79f6581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5c1b69a34fa8ccd2bae3460f09f6afda30097938a4a72bce86e5cb8be79f6581" "/opt/rustwide/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c1b69a34fa8ccd2bae3460f09f6afda30097938a4a72bce86e5cb8be79f6581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5c1b69a34fa8ccd2bae3460f09f6afda30097938a4a72bce86e5cb8be79f6581" "/opt/rustwide/cargo-home/bin/cargo" "+656a9da186dacaf3bf8f7f7296a825d256cb4ae3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling cc v1.0.89
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking rle-decode-fast v1.0.3
[INFO] [stderr]     Checking libflate_lz77 v1.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking libflate v1.4.0
[INFO] [stderr]     Checking chrono v0.4.34
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking warc v0.3.2
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking soup v0.5.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.24
[INFO] [stderr]     Checking quarc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let mut warc = WarcWriter::from_path("output.warc");
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nothing` is never constructed
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Nothing;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let mut warc = WarcWriter::from_path("output.warc");
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nothing` is never constructed
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Nothing;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     warc_head.set_header(WarcHeader::TargetURI, args[1].to_string());
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let _ = warc_head.set_header(WarcHeader::TargetURI, args[1].to_string());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         warc_head.set_header(WarcHeader::ContentType, mime.unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let _ = warc_head.set_header(WarcHeader::ContentType, mime.unwrap());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         dep_warc_head.set_header(WarcHeader::TargetURI, url.to_string());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let _ = dep_warc_head.set_header(WarcHeader::TargetURI, url.to_string());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             dep_warc_head.set_header(WarcHeader::ContentType, dep_mime.clone().unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let _ = dep_warc_head.set_header(WarcHeader::ContentType, dep_mime.clone().unwrap());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         nwarc.write(&record);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let _ = nwarc.write(&record);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |             nwarc.write(&rec);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let _ = nwarc.write(&rec);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     warc_head.set_header(WarcHeader::TargetURI, args[1].to_string());
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let _ = warc_head.set_header(WarcHeader::TargetURI, args[1].to_string());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         warc_head.set_header(WarcHeader::ContentType, mime.unwrap());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let _ = warc_head.set_header(WarcHeader::ContentType, mime.unwrap());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         dep_warc_head.set_header(WarcHeader::TargetURI, url.to_string());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let _ = dep_warc_head.set_header(WarcHeader::TargetURI, url.to_string());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             dep_warc_head.set_header(WarcHeader::ContentType, dep_mime.clone().unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let _ = dep_warc_head.set_header(WarcHeader::ContentType, dep_mime.clone().unwrap());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         nwarc.write(&record);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let _ = nwarc.write(&record);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |             nwarc.write(&rec);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let _ = nwarc.write(&rec);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.22.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "5c1b69a34fa8ccd2bae3460f09f6afda30097938a4a72bce86e5cb8be79f6581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1b69a34fa8ccd2bae3460f09f6afda30097938a4a72bce86e5cb8be79f6581", kill_on_drop: false }`
[INFO] [stdout] 5c1b69a34fa8ccd2bae3460f09f6afda30097938a4a72bce86e5cb8be79f6581
