[INFO] updating cached repository crossdot/rust_ssr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/crossdot/rust_ssr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/crossdot/rust_ssr" "work/ex/beta-1.38-1/sources/1.37.0/gh/crossdot/rust_ssr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/crossdot/rust_ssr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crossdot/rust_ssr" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crossdot/rust_ssr"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crossdot/rust_ssr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 48cac0979b723c908700ceefea989dd3a25e5bbe
[INFO] sha for GitHub repo crossdot/rust_ssr: 48cac0979b723c908700ceefea989dd3a25e5bbe
[INFO] validating manifest of crossdot/rust_ssr 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 crossdot/rust_ssr 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 crossdot/rust_ssr
[INFO] finished frobbing crossdot/rust_ssr
[INFO] frobbed toml for crossdot/rust_ssr written to work/ex/beta-1.38-1/sources/1.37.0/gh/crossdot/rust_ssr/Cargo.toml
[INFO] started frobbing crossdot/rust_ssr
[INFO] finished frobbing crossdot/rust_ssr
[INFO] frobbed toml for crossdot/rust_ssr written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/crossdot/rust_ssr/Cargo.toml
[INFO] crate crossdot/rust_ssr 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 crossdot/rust_ssr against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/crossdot/rust_ssr:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9cf2aa0fd0fd381e98a7678591abe98f778928c77de440349ac94870320ed6d5
[INFO] running `"docker" "start" "-a" "9cf2aa0fd0fd381e98a7678591abe98f778928c77de440349ac94870320ed6d5"`
[INFO] [stderr]    Compiling sequence_trie v0.2.1
[INFO] [stderr]    Compiling ego-tree v0.1.1
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling nodrop v0.1.9
[INFO] [stderr]    Compiling mio v0.6.10
[INFO] [stderr]    Compiling tokio-io v0.1.2
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling cssparser v0.5.8
[INFO] [stderr]    Compiling tendril v0.3.1
[INFO] [stderr]    Compiling tendril v0.2.4
[INFO] [stderr]    Compiling quickersort v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]    Compiling hyper v0.10.12
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling mime v0.3.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling string_cache_codegen v0.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling tokio-core v0.1.9
[INFO] [stderr]    Compiling html5ever v0.5.4
[INFO] [stderr]    Compiling string_cache v0.6.1
[INFO] [stderr]    Compiling markup5ever v0.3.1
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling selectors v0.5.9
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling hyper v0.11.2
[INFO] [stderr]    Compiling mount v0.3.0
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling staticfile v0.4.0
[INFO] [stderr]    Compiling scraper v0.4.0
[INFO] [stderr]    Compiling select v0.4.2
[INFO] [stderr]    Compiling iron_ws_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `parse_document`
[INFO] [stderr]    --> src/main.rs:162:28
[INFO] [stderr]     |
[INFO] [stderr] 162 | use html5ever::{ParseOpts, parse_document, parse_fragment};
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::tree_builder::TreeBuilderOpts`
[INFO] [stderr]    --> src/main.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 | use html5ever::tree_builder::TreeBuilderOpts;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `html5ever::rcdom::NodeData::Element`
[INFO] [stderr]    --> src/main.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 | use html5ever::rcdom::NodeData::Element;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SerializeOpts`
[INFO] [stderr]    --> src/main.rs:167:28
[INFO] [stderr]     |
[INFO] [stderr] 167 | use html5ever::serialize::{SerializeOpts};
[INFO] [stderr]     |                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StrTendril`
[INFO] [stderr]    --> src/main.rs:168:39
[INFO] [stderr]     |
[INFO] [stderr] 168 | use html5ever::tendril::{TendrilSink, StrTendril};
[INFO] [stderr]     |                                       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute`
[INFO] [stderr]    --> src/main.rs:135:1
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn execute(cmd: &str) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse`
[INFO] [stderr]    --> src/main.rs:171:1
[INFO] [stderr]     |
[INFO] [stderr] 171 | fn parse() -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "9cf2aa0fd0fd381e98a7678591abe98f778928c77de440349ac94870320ed6d5"`
[INFO] running `"docker" "rm" "-f" "9cf2aa0fd0fd381e98a7678591abe98f778928c77de440349ac94870320ed6d5"`
[INFO] [stdout] 9cf2aa0fd0fd381e98a7678591abe98f778928c77de440349ac94870320ed6d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/crossdot/rust_ssr:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f1da6fc48dc56f11b6ec1180bab3c9a06e5debff958ade82d6c9eae961633825
[INFO] running `"docker" "start" "-a" "f1da6fc48dc56f11b6ec1180bab3c9a06e5debff958ade82d6c9eae961633825"`
[INFO] [stderr]    Compiling iron_ws_test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |         let mut c = mode.entry(item).or_insert(0);
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `"docker" "inspect" "f1da6fc48dc56f11b6ec1180bab3c9a06e5debff958ade82d6c9eae961633825"`
[INFO] running `"docker" "rm" "-f" "f1da6fc48dc56f11b6ec1180bab3c9a06e5debff958ade82d6c9eae961633825"`
[INFO] [stdout] f1da6fc48dc56f11b6ec1180bab3c9a06e5debff958ade82d6c9eae961633825
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/crossdot/rust_ssr:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 93be8662ad7e8aa339b4285a986afef17b599d3d367c4a89662bb3e04b79489a
[INFO] running `"docker" "start" "-a" "93be8662ad7e8aa339b4285a986afef17b599d3d367c4a89662bb3e04b79489a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iron_ws_test-d6992580e57ccf8c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test01 ... ok
[INFO] [stdout] test test_modify ... ok
[INFO] [stdout] test test_parse_document ... ok
[INFO] [stdout] test test_execute ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "93be8662ad7e8aa339b4285a986afef17b599d3d367c4a89662bb3e04b79489a"`
[INFO] running `"docker" "rm" "-f" "93be8662ad7e8aa339b4285a986afef17b599d3d367c4a89662bb3e04b79489a"`
[INFO] [stdout] 93be8662ad7e8aa339b4285a986afef17b599d3d367c4a89662bb3e04b79489a