[INFO] updating cached repository Tomcc/Headerize
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Tomcc/Headerize
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Tomcc/Headerize" "work/ex/beta-1.38-1/sources/1.37.0/gh/Tomcc/Headerize"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Tomcc/Headerize'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Tomcc/Headerize" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tomcc/Headerize"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tomcc/Headerize'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fc2ff6594ef7fc9e028fb2153c4cb57ba22aa5fb
[INFO] sha for GitHub repo Tomcc/Headerize: fc2ff6594ef7fc9e028fb2153c4cb57ba22aa5fb
[INFO] validating manifest of Tomcc/Headerize 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 Tomcc/Headerize 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 Tomcc/Headerize
[INFO] finished frobbing Tomcc/Headerize
[INFO] frobbed toml for Tomcc/Headerize written to work/ex/beta-1.38-1/sources/1.37.0/gh/Tomcc/Headerize/Cargo.toml
[INFO] started frobbing Tomcc/Headerize
[INFO] finished frobbing Tomcc/Headerize
[INFO] frobbed toml for Tomcc/Headerize written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tomcc/Headerize/Cargo.toml
[INFO] crate Tomcc/Headerize 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 Tomcc/Headerize 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Tomcc/Headerize:/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] bc7bcd07538186a7d05e6135e1171869a5a36659d81371d4269af0d349f3522f
[INFO] running `"docker" "start" "-a" "bc7bcd07538186a7d05e6135e1171869a5a36659d81371d4269af0d349f3522f"`
[INFO] [stderr]    Compiling headerize v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `xml::writer::EventWriter`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use xml::writer::EventWriter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             _ => {}
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/main.rs:76:48
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     XmlEvent::EndElement { ref name } => {
[INFO] [stderr]    |                                            ----^^^^
[INFO] [stderr]    |                                            |
[INFO] [stderr]    |                                            help: try ignoring the field: `name: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `indent`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn indent(size: usize) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "bc7bcd07538186a7d05e6135e1171869a5a36659d81371d4269af0d349f3522f"`
[INFO] running `"docker" "rm" "-f" "bc7bcd07538186a7d05e6135e1171869a5a36659d81371d4269af0d349f3522f"`
[INFO] [stdout] bc7bcd07538186a7d05e6135e1171869a5a36659d81371d4269af0d349f3522f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Tomcc/Headerize:/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] 4eca2a1bfe20204920a70fb16b2add04986937a58af343484a42d40d16b7defc
[INFO] running `"docker" "start" "-a" "4eca2a1bfe20204920a70fb16b2add04986937a58af343484a42d40d16b7defc"`
[INFO] [stderr]    Compiling headerize v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `xml::writer::EventWriter`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use xml::writer::EventWriter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/main.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             _ => {}
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/main.rs:76:48
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     XmlEvent::EndElement { ref name } => {
[INFO] [stderr]    |                                            ----^^^^
[INFO] [stderr]    |                                            |
[INFO] [stderr]    |                                            help: try ignoring the field: `name: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `indent`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn indent(size: usize) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "4eca2a1bfe20204920a70fb16b2add04986937a58af343484a42d40d16b7defc"`
[INFO] running `"docker" "rm" "-f" "4eca2a1bfe20204920a70fb16b2add04986937a58af343484a42d40d16b7defc"`
[INFO] [stdout] 4eca2a1bfe20204920a70fb16b2add04986937a58af343484a42d40d16b7defc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Tomcc/Headerize:/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] 07499d91c15e03ed63408f16263c9eb88ea3fb36f08d5ca6a1b3fd7ec7bbf562
[INFO] running `"docker" "start" "-a" "07499d91c15e03ed63408f16263c9eb88ea3fb36f08d5ca6a1b3fd7ec7bbf562"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/headerize-628396c88bb6a956
[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" "07499d91c15e03ed63408f16263c9eb88ea3fb36f08d5ca6a1b3fd7ec7bbf562"`
[INFO] running `"docker" "rm" "-f" "07499d91c15e03ed63408f16263c9eb88ea3fb36f08d5ca6a1b3fd7ec7bbf562"`
[INFO] [stdout] 07499d91c15e03ed63408f16263c9eb88ea3fb36f08d5ca6a1b3fd7ec7bbf562