[INFO] updating cached repository GuillaumeGomez/rustdoc-stripper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/GuillaumeGomez/rustdoc-stripper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/GuillaumeGomez/rustdoc-stripper" "work/ex/beta-1.38-1/sources/1.37.0/gh/GuillaumeGomez/rustdoc-stripper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/GuillaumeGomez/rustdoc-stripper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GuillaumeGomez/rustdoc-stripper" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GuillaumeGomez/rustdoc-stripper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GuillaumeGomez/rustdoc-stripper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 513fe5d8d59367f03e440fb8792aee245b95d689
[INFO] sha for GitHub repo GuillaumeGomez/rustdoc-stripper: 513fe5d8d59367f03e440fb8792aee245b95d689
[INFO] validating manifest of GuillaumeGomez/rustdoc-stripper 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 GuillaumeGomez/rustdoc-stripper 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 GuillaumeGomez/rustdoc-stripper
[INFO] finished frobbing GuillaumeGomez/rustdoc-stripper
[INFO] frobbed toml for GuillaumeGomez/rustdoc-stripper written to work/ex/beta-1.38-1/sources/1.37.0/gh/GuillaumeGomez/rustdoc-stripper/Cargo.toml
[INFO] started frobbing GuillaumeGomez/rustdoc-stripper
[INFO] finished frobbing GuillaumeGomez/rustdoc-stripper
[INFO] frobbed toml for GuillaumeGomez/rustdoc-stripper written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GuillaumeGomez/rustdoc-stripper/Cargo.toml
[INFO] crate GuillaumeGomez/rustdoc-stripper 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/GuillaumeGomez/rustdoc-stripper/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" "+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 GuillaumeGomez/rustdoc-stripper 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/GuillaumeGomez/rustdoc-stripper:/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] 2379caa56386a36fa548317e941e594d4492ea52e57a8cd24b116602308d91be
[INFO] running `"docker" "start" "-a" "2379caa56386a36fa548317e941e594d4492ea52e57a8cd24b116602308d91be"`
[INFO] [stderr]    Compiling rustdoc-stripper v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/regenerate.rs:393:14
[INFO] [stderr]     |
[INFO] [stderr] 393 |         Some((*sub_erase_macro_path(Some(Box::new(t)), false).unwrap()))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:29:51
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn loop_over_files<S>(path: &Path, func: &mut FnMut(&Path, &str),
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path, &str)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:36:16
[INFO] [stderr]    |
[INFO] [stderr] 36 |     func: &mut FnMut(&Path, &str), files_to_ignore: &[S], verbose: bool)
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path, &str)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:56:64
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn check_path_type<S>(work_dir: &Path, path: &Path, func: &mut FnMut(&Path, &str),
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path, &str)`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/utils.rs:109:16
[INFO] [stderr]     |
[INFO] [stderr] 109 |         .ok_or((()))
[INFO] [stderr]     |                ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:142:22
[INFO] [stderr]     |
[INFO] [stderr] 142 | where F: FnOnce(&mut Write) -> io::Result<()> {
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:141:34
[INFO] [stderr]     |
[INFO] [stderr] 141 | pub fn write_item_doc<F>(w: &mut Write, id: &TypeStruct, f: F) -> io::Result<()>
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:163:32
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub fn write_file_name(w: &mut Write, name: Option<&str>) -> io::Result<()> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/regenerate.rs:102:59
[INFO] [stderr]     |
[INFO] [stderr] 102 |                       original_content[line + *decal - 1].trim_left().starts_with("#") {
[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/strip.rs:410:32
[INFO] [stderr]     |
[INFO] [stderr] 410 |      .map(|s| remove_prepend(s.trim_left())).collect::<Vec<String>>().join("\n")
[INFO] [stderr]     |                                ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `"docker" "inspect" "2379caa56386a36fa548317e941e594d4492ea52e57a8cd24b116602308d91be"`
[INFO] running `"docker" "rm" "-f" "2379caa56386a36fa548317e941e594d4492ea52e57a8cd24b116602308d91be"`
[INFO] [stdout] 2379caa56386a36fa548317e941e594d4492ea52e57a8cd24b116602308d91be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/GuillaumeGomez/rustdoc-stripper:/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] 55f85ac662ded31a3cff7001629055cbeef10d5e9b8fa16698ee6829d70adc45
[INFO] running `"docker" "start" "-a" "55f85ac662ded31a3cff7001629055cbeef10d5e9b8fa16698ee6829d70adc45"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rustdoc-stripper v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/regenerate.rs:393:14
[INFO] [stderr]     |
[INFO] [stderr] 393 |         Some((*sub_erase_macro_path(Some(Box::new(t)), false).unwrap()))
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:29:51
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn loop_over_files<S>(path: &Path, func: &mut FnMut(&Path, &str),
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path, &str)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:36:16
[INFO] [stderr]    |
[INFO] [stderr] 36 |     func: &mut FnMut(&Path, &str), files_to_ignore: &[S], verbose: bool)
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path, &str)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/utils.rs:56:64
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn check_path_type<S>(work_dir: &Path, path: &Path, func: &mut FnMut(&Path, &str),
[INFO] [stderr]    |                                                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path, &str)`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/utils.rs:109:16
[INFO] [stderr]     |
[INFO] [stderr] 109 |         .ok_or((()))
[INFO] [stderr]     |                ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:142:22
[INFO] [stderr]     |
[INFO] [stderr] 142 | where F: FnOnce(&mut Write) -> io::Result<()> {
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:141:34
[INFO] [stderr]     |
[INFO] [stderr] 141 | pub fn write_item_doc<F>(w: &mut Write, id: &TypeStruct, f: F) -> io::Result<()>
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/utils.rs:163:32
[INFO] [stderr]     |
[INFO] [stderr] 163 | pub fn write_file_name(w: &mut Write, name: Option<&str>) -> io::Result<()> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/regenerate.rs:102:59
[INFO] [stderr]     |
[INFO] [stderr] 102 |                       original_content[line + *decal - 1].trim_left().starts_with("#") {
[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/strip.rs:410:32
[INFO] [stderr]     |
[INFO] [stderr] 410 |      .map(|s| remove_prepend(s.trim_left())).collect::<Vec<String>>().join("\n")
[INFO] [stderr]     |                                ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `"docker" "inspect" "55f85ac662ded31a3cff7001629055cbeef10d5e9b8fa16698ee6829d70adc45"`
[INFO] running `"docker" "rm" "-f" "55f85ac662ded31a3cff7001629055cbeef10d5e9b8fa16698ee6829d70adc45"`
[INFO] [stdout] 55f85ac662ded31a3cff7001629055cbeef10d5e9b8fa16698ee6829d70adc45
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/GuillaumeGomez/rustdoc-stripper:/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] 082bed846bfbf9166bf3937dba918468d39658819f2139c55dcabe2a97d99c16
[INFO] running `"docker" "start" "-a" "082bed846bfbf9166bf3937dba918468d39658819f2139c55dcabe2a97d99c16"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stripper_lib-2cf407e974f043fd
[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]      Running /opt/crater/target/debug/deps/rustdoc_stripper-e415352be703f125
[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]      Running /opt/crater/target/debug/deps/tests-5f272c7900dcd49e
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test3_regeneration ... ok
[INFO] [stdout] test test2_regeneration ... ok
[INFO] [stdout] test test4_regeneration ... ok
[INFO] [stdout] test test4_strip ... ok
[INFO] [stdout] test test_regeneration ... ok
[INFO] [stdout] test test6_regeneration ... ok
[INFO] [stdout] test test2_strip ... ok
[INFO] [stdout] test test3_strip ... ok
[INFO] [stdout] test test5_regeneration ... ok
[INFO] [stdout] test test5_strip ... ok
[INFO] [stdout] test test7_regeneration ... ok
[INFO] [stderr]    Doc-tests stripper_lib
[INFO] [stdout] test test_strip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "082bed846bfbf9166bf3937dba918468d39658819f2139c55dcabe2a97d99c16"`
[INFO] running `"docker" "rm" "-f" "082bed846bfbf9166bf3937dba918468d39658819f2139c55dcabe2a97d99c16"`
[INFO] [stdout] 082bed846bfbf9166bf3937dba918468d39658819f2139c55dcabe2a97d99c16