[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/beta-1.38-1/sources/1.37.0/gh/zachlite/rust-browser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zachlite/rust-browser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zachlite/rust-browser" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zachlite/rust-browser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zachlite/rust-browser on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing zachlite/rust-browser against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2e5964052ec5e8c16e72ce14193067687f323b68b9ffb9a91994aae40e2a3782
[INFO] running `"docker" "start" "-a" "2e5964052ec5e8c16e72ce14193067687f323b68b9ffb9a91994aae40e2a3782"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "2e5964052ec5e8c16e72ce14193067687f323b68b9ffb9a91994aae40e2a3782"`
[INFO] running `"docker" "rm" "-f" "2e5964052ec5e8c16e72ce14193067687f323b68b9ffb9a91994aae40e2a3782"`
[INFO] [stdout] 2e5964052ec5e8c16e72ce14193067687f323b68b9ffb9a91994aae40e2a3782
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d70f5b2cdb8acca35e4077461ab43207af74d178e25e51e0768ff9d2fc93d71a
[INFO] running `"docker" "start" "-a" "d70f5b2cdb8acca35e4077461ab43207af74d178e25e51e0768ff9d2fc93d71a"`
[INFO] [stderr]    Compiling browser v0.1.0 (/opt/crater/workdir)
[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 1.66s
[INFO] running `"docker" "inspect" "d70f5b2cdb8acca35e4077461ab43207af74d178e25e51e0768ff9d2fc93d71a"`
[INFO] running `"docker" "rm" "-f" "d70f5b2cdb8acca35e4077461ab43207af74d178e25e51e0768ff9d2fc93d71a"`
[INFO] [stdout] d70f5b2cdb8acca35e4077461ab43207af74d178e25e51e0768ff9d2fc93d71a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4a6c343587dab0471c12dc5d9f3d211c3991c7d7a02f29ad180ab4f584c7b541
[INFO] running `"docker" "start" "-a" "4a6c343587dab0471c12dc5d9f3d211c3991c7d7a02f29ad180ab4f584c7b541"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/browser-761046b20d97535c
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test parse_text ... ok
[INFO] [stdout] test parse_tags_with_one_child ... ok
[INFO] [stdout] test parse_two_children ... ok
[INFO] [stdout] test parse_empty_tags ... ok
[INFO] [stdout] test parse_nested_tags ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/browser-419a70c1512e94c4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests browser
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4a6c343587dab0471c12dc5d9f3d211c3991c7d7a02f29ad180ab4f584c7b541"`
[INFO] running `"docker" "rm" "-f" "4a6c343587dab0471c12dc5d9f3d211c3991c7d7a02f29ad180ab4f584c7b541"`
[INFO] [stdout] 4a6c343587dab0471c12dc5d9f3d211c3991c7d7a02f29ad180ab4f584c7b541