[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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/KhanhML/khanhml.github.io"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/KhanhML/khanhml.github.io'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KhanhML/khanhml.github.io" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/KhanhML/khanhml.github.io"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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 master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of KhanhML/khanhml.github.io on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking KhanhML/khanhml.github.io against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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=forbid" "-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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 229dbc70a637820a9dfbf9c13ba884ccb949f89e3af7f92cd3286d1119658cca
[INFO] running `"docker" "start" "-a" "229dbc70a637820a9dfbf9c13ba884ccb949f89e3af7f92cd3286d1119658cca"`
[INFO] [stderr]     Checking typed-arena v1.3.0
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking quick-xml v0.12.1
[INFO] [stderr]     Checking comrak v0.2.12
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking rss v1.5.0
[INFO] [stderr]    Compiling derive-error-chain v0.11.1
[INFO] [stderr]     Checking dotenv v0.11.0
[INFO] [stderr]     Checking 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: 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] 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 28.46s
[INFO] running `"docker" "inspect" "229dbc70a637820a9dfbf9c13ba884ccb949f89e3af7f92cd3286d1119658cca"`
[INFO] running `"docker" "rm" "-f" "229dbc70a637820a9dfbf9c13ba884ccb949f89e3af7f92cd3286d1119658cca"`
[INFO] [stdout] 229dbc70a637820a9dfbf9c13ba884ccb949f89e3af7f92cd3286d1119658cca