[INFO] updating cached repository zachlite/rust-browser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zachlite/rust-browser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zachlite/rust-browser" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/zachlite/rust-browser"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/zachlite/rust-browser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zachlite/rust-browser" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zachlite/rust-browser"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zachlite/rust-browser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7aa9ff2974f63cdcf2ef5276d04912cc4b2df1b0
[INFO] sha for GitHub repo zachlite/rust-browser: 7aa9ff2974f63cdcf2ef5276d04912cc4b2df1b0
[INFO] validating manifest of zachlite/rust-browser on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zachlite/rust-browser on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zachlite/rust-browser
[INFO] finished frobbing zachlite/rust-browser
[INFO] frobbed toml for zachlite/rust-browser written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/zachlite/rust-browser/Cargo.toml
[INFO] started frobbing zachlite/rust-browser
[INFO] finished frobbing zachlite/rust-browser
[INFO] frobbed toml for zachlite/rust-browser written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zachlite/rust-browser/Cargo.toml
[INFO] crate zachlite/rust-browser already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zachlite/rust-browser against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/zachlite/rust-browser:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2cedea8f82c7b1dd159cabc0b35381b5d9c2d89a4c851d72fb7870b36b4f217b
[INFO] running `"docker" "start" "-a" "2cedea8f82c7b1dd159cabc0b35381b5d9c2d89a4c851d72fb7870b36b4f217b"`
[INFO] [stderr]     Checking browser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `parse_node::*`
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use parse_node::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tag_positions`
[INFO] [stderr]  --> src/parse_node.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn tag_positions(s: &str)-> (Vec<usize>, Vec<usize>) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_pairs`
[INFO] [stderr]   --> src/parse_node.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn get_pairs(s: &str) -> Vec<(usize, usize)> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_siblings`
[INFO] [stderr]   --> src/parse_node.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn split_siblings(siblings_html: &str) -> Vec<&str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `text_node`
[INFO] [stderr]   --> src/parse_node.rs:87:1
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn text_node(value: String) -> Node {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `element_node`
[INFO] [stderr]   --> src/parse_node.rs:94:1
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn element_node(tag_type: TagType, children: Vec<Node>) -> Node {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TAG`
[INFO] [stderr]    --> src/parse_node.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     TAG,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Element`
[INFO] [stderr]    --> src/parse_node.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     Element(ElementData),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Text`
[INFO] [stderr]    --> src/parse_node.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     Text(String),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]    --> src/parse_node.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | pub struct Node {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_node`
[INFO] [stderr]    --> src/parse_node.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | pub fn parse_node(s: &str) -> Option<Node> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_response`
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn get_response() -> std::io::Result<Vec<u8>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_response`
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn get_response() -> std::io::Result<Vec<u8>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "2cedea8f82c7b1dd159cabc0b35381b5d9c2d89a4c851d72fb7870b36b4f217b"`
[INFO] running `"docker" "rm" "-f" "2cedea8f82c7b1dd159cabc0b35381b5d9c2d89a4c851d72fb7870b36b4f217b"`
[INFO] [stdout] 2cedea8f82c7b1dd159cabc0b35381b5d9c2d89a4c851d72fb7870b36b4f217b