[INFO] updating cached repository KhanhML/khanhml.github.io
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KhanhML/khanhml.github.io
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KhanhML/khanhml.github.io" "work/ex/beta-1.38-1/sources/1.37.0/gh/KhanhML/khanhml.github.io"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/KhanhML/khanhml.github.io'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KhanhML/khanhml.github.io" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KhanhML/khanhml.github.io"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KhanhML/khanhml.github.io'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 761cc8fd3e1942d56947b35dbc0d97190a885fff
[INFO] sha for GitHub repo KhanhML/khanhml.github.io: 761cc8fd3e1942d56947b35dbc0d97190a885fff
[INFO] validating manifest of KhanhML/khanhml.github.io 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 KhanhML/khanhml.github.io 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 KhanhML/khanhml.github.io
[INFO] finished frobbing KhanhML/khanhml.github.io
[INFO] frobbed toml for KhanhML/khanhml.github.io written to work/ex/beta-1.38-1/sources/1.37.0/gh/KhanhML/khanhml.github.io/Cargo.toml
[INFO] started frobbing KhanhML/khanhml.github.io
[INFO] finished frobbing KhanhML/khanhml.github.io
[INFO] frobbed toml for KhanhML/khanhml.github.io written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KhanhML/khanhml.github.io/Cargo.toml
[INFO] crate KhanhML/khanhml.github.io 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 KhanhML/khanhml.github.io 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/gh/KhanhML/khanhml.github.io:/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] a198c378217100a144d37629ee0fd847f968889de32e5f1c8de2d542224081b2
[INFO] running `"docker" "start" "-a" "a198c378217100a144d37629ee0fd847f968889de32e5f1c8de2d542224081b2"`
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling typed-arena v1.3.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling quick-xml v0.12.1
[INFO] [stderr]    Compiling comrak v0.2.12
[INFO] [stderr]    Compiling rss v1.5.0
[INFO] [stderr]    Compiling derive-error-chain v0.11.1
[INFO] [stderr]    Compiling dotenv v0.11.0
[INFO] [stderr]    Compiling generator-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `domain_name`
[INFO] [stderr]    --> src/main.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let domain_name = env::var("DOMAIN_NAME").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_domain_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:277:33
[INFO] [stderr]     |
[INFO] [stderr] 277 |                             let mut tag_posts = shared.tags.get_mut(&format!("{}", tag)).unwrap();
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     output_file.write_all(channel.to_string().as_bytes());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.51s
[INFO] running `"docker" "inspect" "a198c378217100a144d37629ee0fd847f968889de32e5f1c8de2d542224081b2"`
[INFO] running `"docker" "rm" "-f" "a198c378217100a144d37629ee0fd847f968889de32e5f1c8de2d542224081b2"`
[INFO] [stdout] a198c378217100a144d37629ee0fd847f968889de32e5f1c8de2d542224081b2
[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/gh/KhanhML/khanhml.github.io:/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] 032178f8fe99190f72751d97dfb6ec1e5285c1e2246795d11fce57a4e9d8411a
[INFO] running `"docker" "start" "-a" "032178f8fe99190f72751d97dfb6ec1e5285c1e2246795d11fce57a4e9d8411a"`
[INFO] [stderr]    Compiling generator-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `domain_name`
[INFO] [stderr]    --> src/main.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |     let domain_name = env::var("DOMAIN_NAME").unwrap();
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_domain_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:277:33
[INFO] [stderr]     |
[INFO] [stderr] 277 |                             let mut tag_posts = shared.tags.get_mut(&format!("{}", tag)).unwrap();
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     output_file.write_all(channel.to_string().as_bytes());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "032178f8fe99190f72751d97dfb6ec1e5285c1e2246795d11fce57a4e9d8411a"`
[INFO] running `"docker" "rm" "-f" "032178f8fe99190f72751d97dfb6ec1e5285c1e2246795d11fce57a4e9d8411a"`
[INFO] [stdout] 032178f8fe99190f72751d97dfb6ec1e5285c1e2246795d11fce57a4e9d8411a
[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/gh/KhanhML/khanhml.github.io:/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] 1fe0c67d76500afd79391c8e27e82a20c27b8fb72f6b227a5b20fb637bc5031c
[INFO] running `"docker" "start" "-a" "1fe0c67d76500afd79391c8e27e82a20c27b8fb72f6b227a5b20fb637bc5031c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/generator_rs-75a47d70dc1159cb
[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" "1fe0c67d76500afd79391c8e27e82a20c27b8fb72f6b227a5b20fb637bc5031c"`
[INFO] running `"docker" "rm" "-f" "1fe0c67d76500afd79391c8e27e82a20c27b8fb72f6b227a5b20fb637bc5031c"`
[INFO] [stdout] 1fe0c67d76500afd79391c8e27e82a20c27b8fb72f6b227a5b20fb637bc5031c