[INFO] updating cached repository Gopiandcode/html_gen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gopiandcode/html_gen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gopiandcode/html_gen" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Gopiandcode/html_gen"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Gopiandcode/html_gen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gopiandcode/html_gen" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Gopiandcode/html_gen"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Gopiandcode/html_gen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ffcaa19854b1c29cc15d5b6df15bf99d3dee5c1
[INFO] sha for GitHub repo Gopiandcode/html_gen: 4ffcaa19854b1c29cc15d5b6df15bf99d3dee5c1
[INFO] validating manifest of Gopiandcode/html_gen 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 Gopiandcode/html_gen 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 Gopiandcode/html_gen
[INFO] finished frobbing Gopiandcode/html_gen
[INFO] frobbed toml for Gopiandcode/html_gen written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Gopiandcode/html_gen/Cargo.toml
[INFO] started frobbing Gopiandcode/html_gen
[INFO] finished frobbing Gopiandcode/html_gen
[INFO] frobbed toml for Gopiandcode/html_gen written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Gopiandcode/html_gen/Cargo.toml
[INFO] crate Gopiandcode/html_gen 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Gopiandcode/html_gen/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 Gopiandcode/html_gen against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Gopiandcode/html_gen:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a5199a13a6391203863e25b3a4d788992064dc7f2df21d3138997e5f4c1aaf38
[INFO] running `"docker" "start" "-a" "a5199a13a6391203863e25b3a4d788992064dc7f2df21d3138997e5f4c1aaf38"`
[INFO] [stderr]     Checking html_gen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::path;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/parser.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | if !source.trim_left().starts_with("#+template:") {
[INFO] [stderr]    |            ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/parser.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 | let source = source.trim_left().split_at(11).1;
[INFO] [stderr]    |                     ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:142:16
[INFO] [stderr]     |
[INFO] [stderr] 142 |          Some((name, map)) => 
[INFO] [stderr]     |                ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/generator.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             x => {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 |  let mut output_path = if output_path.is_empty() { None } else { Some(output_path) };
[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/main.rs:96:6
[INFO] [stderr]    |
[INFO] [stderr] 96 |  let mut template_path = if template_path.is_empty() { None } else { Some(template_path) };
[INFO] [stderr]    |      ----^^^^^^^^^^^^^
[INFO] [stderr]    |      |
[INFO] [stderr]    |      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 |  let mut input_path = if input_path.is_empty() { None } else { Some(input_path) };
[INFO] [stderr]    |      ----^^^^^^^^^^
[INFO] [stderr]    |      |
[INFO] [stderr]    |      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::path;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | let mut data : HashMap<String, String> = HashMap::new();
[INFO] [stderr]    |     ----^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | let mut completed = false;
[INFO] [stderr]    |     ----^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime may not live long enough
[INFO] [stderr]   --> src/generator.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 51 |  let new_string = parameter_regex.replace_all(&input, |caps: &Captures| {
[INFO] [stderr]    |                                                              -        - return type of closure is &'2 str
[INFO] [stderr]    |                                                              |
[INFO] [stderr]    |                                                              let's call the lifetime of this reference `'1`
[INFO] [stderr] ...
[INFO] [stderr] 63 |                      &caps[0]
[INFO] [stderr]    |                      ^^^^^^^^ returning this value requires that `'1` must outlive `'2`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime may not live long enough
[INFO] [stderr]   --> src/generator.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 51 |  let new_string = parameter_regex.replace_all(&input, |caps: &Captures| {
[INFO] [stderr]    |                                                        ----           - return type of closure is &'2 str
[INFO] [stderr]    |                                                        |
[INFO] [stderr]    |                                                        has type `&regex::Captures<'1>`
[INFO] [stderr] ...
[INFO] [stderr] 63 |                      &caps[0]
[INFO] [stderr]    |                      ^^^^^^^^ returning this value requires that `'1` must outlive `'2`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:90:6
[INFO] [stderr]    |
[INFO] [stderr] 90 |      ap.print_help("htmlgen", &mut help_string);
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/crawler.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 |        fs::create_dir_all(&new_output_dir);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/parser.rs:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | if !source.trim_left().starts_with("#+template:") {
[INFO] [stderr]    |            ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/parser.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 | let source = source.trim_left().split_at(11).1;
[INFO] [stderr]    |                     ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:142:16
[INFO] [stderr]     |
[INFO] [stderr] 142 |          Some((name, map)) => 
[INFO] [stderr]     |                ^^^^ help: consider prefixing with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/generator.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |             x => {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 |  let mut output_path = if output_path.is_empty() { None } else { Some(output_path) };
[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/main.rs:96:6
[INFO] [stderr]    |
[INFO] [stderr] 96 |  let mut template_path = if template_path.is_empty() { None } else { Some(template_path) };
[INFO] [stderr]    |      ----^^^^^^^^^^^^^
[INFO] [stderr]    |      |
[INFO] [stderr]    |      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:97:6
[INFO] [stderr]    |
[INFO] [stderr] 97 |  let mut input_path = if input_path.is_empty() { None } else { Some(input_path) };
[INFO] [stderr]    |      ----^^^^^^^^^^
[INFO] [stderr]    |      |
[INFO] [stderr]    |      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | let mut data : HashMap<String, String> = HashMap::new();
[INFO] [stderr]    |     ----^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | let mut completed = false;
[INFO] [stderr]    |     ----^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime may not live long enough
[INFO] [stderr]   --> src/generator.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 51 |  let new_string = parameter_regex.replace_all(&input, |caps: &Captures| {
[INFO] [stderr]    |                                                              -        - return type of closure is &'2 str
[INFO] [stderr]    |                                                              |
[INFO] [stderr]    |                                                              let's call the lifetime of this reference `'1`
[INFO] [stderr] ...
[INFO] [stderr] 63 |                      &caps[0]
[INFO] [stderr]    |                      ^^^^^^^^ returning this value requires that `'1` must outlive `'2`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime may not live long enough
[INFO] [stderr]   --> src/generator.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 51 |  let new_string = parameter_regex.replace_all(&input, |caps: &Captures| {
[INFO] [stderr]    |                                                        ----           - return type of closure is &'2 str
[INFO] [stderr]    |                                                        |
[INFO] [stderr]    |                                                        has type `&regex::Captures<'1>`
[INFO] [stderr] ...
[INFO] [stderr] 63 |                      &caps[0]
[INFO] [stderr]    |                      ^^^^^^^^ returning this value requires that `'1` must outlive `'2`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:90:6
[INFO] [stderr]    |
[INFO] [stderr] 90 |      ap.print_help("htmlgen", &mut help_string);
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/crawler.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 |        fs::create_dir_all(&new_output_dir);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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 1.20s
[INFO] running `"docker" "inspect" "a5199a13a6391203863e25b3a4d788992064dc7f2df21d3138997e5f4c1aaf38"`
[INFO] running `"docker" "rm" "-f" "a5199a13a6391203863e25b3a4d788992064dc7f2df21d3138997e5f4c1aaf38"`
[INFO] [stdout] a5199a13a6391203863e25b3a4d788992064dc7f2df21d3138997e5f4c1aaf38