[INFO] crate gazetta-render-ext 0.2.1 is already in cache
[INFO] extracting crate gazetta-render-ext 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/gazetta-render-ext/0.2.1
[INFO] extracting crate gazetta-render-ext 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gazetta-render-ext/0.2.1
[INFO] validating manifest of gazetta-render-ext-0.2.1 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 gazetta-render-ext-0.2.1 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 gazetta-render-ext-0.2.1
[INFO] finished frobbing gazetta-render-ext-0.2.1
[INFO] frobbed toml for gazetta-render-ext-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/gazetta-render-ext/0.2.1/Cargo.toml
[INFO] started frobbing gazetta-render-ext-0.2.1
[INFO] finished frobbing gazetta-render-ext-0.2.1
[INFO] frobbed toml for gazetta-render-ext-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gazetta-render-ext/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 gazetta-render-ext-0.2.1 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gazetta-render-ext/0.2.1:/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] 7f604d7160d0d7059eb51e58976c5663141e8750f5211285aa5beb1c0f4676dd
[INFO] running `"docker" "start" "-a" "7f604d7160d0d7059eb51e58976c5663141e8750f5211285aa5beb1c0f4676dd"`
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling str_stack v0.1.0
[INFO] [stderr]    Compiling horrorshow v0.6.6
[INFO] [stderr]    Compiling gazetta-core v0.2.1
[INFO] [stderr]    Compiling gazetta-render-ext v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/markdown.rs:104:30
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn render_once(mut self, mut tmpl: &mut TemplateBuffer) {
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/markdown.rs:110:30
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn render_mut(&mut self, mut tmpl: &mut TemplateBuffer) {
[INFO] [stderr]     |                              ----^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "7f604d7160d0d7059eb51e58976c5663141e8750f5211285aa5beb1c0f4676dd"`
[INFO] running `"docker" "rm" "-f" "7f604d7160d0d7059eb51e58976c5663141e8750f5211285aa5beb1c0f4676dd"`
[INFO] [stdout] 7f604d7160d0d7059eb51e58976c5663141e8750f5211285aa5beb1c0f4676dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gazetta-render-ext/0.2.1:/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] caf9180f3db48b779e0390c5cf487a6aeb14e7113a2c90da34d8fc3487f9aff0
[INFO] running `"docker" "start" "-a" "caf9180f3db48b779e0390c5cf487a6aeb14e7113a2c90da34d8fc3487f9aff0"`
[INFO] [stderr]    Compiling gazetta-render-ext v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/markdown.rs:104:30
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn render_once(mut self, mut tmpl: &mut TemplateBuffer) {
[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] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/markdown.rs:110:30
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn render_mut(&mut self, mut tmpl: &mut TemplateBuffer) {
[INFO] [stderr]     |                              ----^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "caf9180f3db48b779e0390c5cf487a6aeb14e7113a2c90da34d8fc3487f9aff0"`
[INFO] running `"docker" "rm" "-f" "caf9180f3db48b779e0390c5cf487a6aeb14e7113a2c90da34d8fc3487f9aff0"`
[INFO] [stdout] caf9180f3db48b779e0390c5cf487a6aeb14e7113a2c90da34d8fc3487f9aff0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gazetta-render-ext/0.2.1:/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] a90bd023da8b82f661b831701717b8226362164b17a40c0b17ca7bed665086f8
[INFO] running `"docker" "start" "-a" "a90bd023da8b82f661b831701717b8226362164b17a40c0b17ca7bed665086f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gazetta_render_ext-52a704d6b9afbd06
[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 gazetta-render-ext
[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" "a90bd023da8b82f661b831701717b8226362164b17a40c0b17ca7bed665086f8"`
[INFO] running `"docker" "rm" "-f" "a90bd023da8b82f661b831701717b8226362164b17a40c0b17ca7bed665086f8"`
[INFO] [stdout] a90bd023da8b82f661b831701717b8226362164b17a40c0b17ca7bed665086f8