[INFO] updating cached repository 00benallen/medioxide
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/00benallen/medioxide
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/00benallen/medioxide" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/00benallen/medioxide"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/00benallen/medioxide'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/00benallen/medioxide" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/00benallen/medioxide"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/00benallen/medioxide'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c7fca00e8c849510fa7d620e4fc574fc3c11bcbc
[INFO] sha for GitHub repo 00benallen/medioxide: c7fca00e8c849510fa7d620e4fc574fc3c11bcbc
[INFO] validating manifest of 00benallen/medioxide on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 00benallen/medioxide on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 00benallen/medioxide
[INFO] finished frobbing 00benallen/medioxide
[INFO] frobbed toml for 00benallen/medioxide written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/00benallen/medioxide/Cargo.toml
[INFO] started frobbing 00benallen/medioxide
[INFO] finished frobbing 00benallen/medioxide
[INFO] frobbed toml for 00benallen/medioxide written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/00benallen/medioxide/Cargo.toml
[INFO] crate 00benallen/medioxide already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking 00benallen/medioxide against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/00benallen/medioxide:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a6c594c4b2c22b7218940415e0d8116292d4397ea2a038bc843175af8448de3a
[INFO] running `"docker" "start" "-a" "a6c594c4b2c22b7218940415e0d8116292d4397ea2a038bc843175af8448de3a"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]     Checking rocket_http v0.4.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking medioxide v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/http.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rocket`
[INFO] [stderr]   --> src/http.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Rocket,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/http.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rocket`
[INFO] [stderr]   --> src/http.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Rocket,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_id`
[INFO] [stderr]   --> src/http.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn get_file(file_id: String) -> Result<File> {
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_file_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_id`
[INFO] [stderr]   --> src/http.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn upload_pdf(file_id: String, data: Data) -> io::Result<String> {
[INFO] [stderr]    |               ^^^^^^^ help: consider prefixing with an underscore: `_file_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/file_manager.rs:140:36
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn get_file_by_path(&self, path: &Path) -> Result<File> {
[INFO] [stderr]     |                                    ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/file_manager.rs:160:34
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn get_path_by_id(&self, id: &str) -> Result<&'static Path> {
[INFO] [stderr]     |                                  ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/file_manager.rs:164:36
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn get_id_from_path(&self, path: &Path) -> Result<&str> {
[INFO] [stderr]     |                                    ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_id`
[INFO] [stderr]   --> src/http.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn get_file(file_id: String) -> Result<File> {
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_file_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_id`
[INFO] [stderr]   --> src/http.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn upload_pdf(file_id: String, data: Data) -> io::Result<String> {
[INFO] [stderr]    |               ^^^^^^^ help: consider prefixing with an underscore: `_file_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/file_manager.rs:140:36
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn get_file_by_path(&self, path: &Path) -> Result<File> {
[INFO] [stderr]     |                                    ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/file_manager.rs:160:34
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn get_path_by_id(&self, id: &str) -> Result<&'static Path> {
[INFO] [stderr]     |                                  ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/file_manager.rs:164:36
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub fn get_id_from_path(&self, path: &Path) -> Result<&str> {
[INFO] [stderr]     |                                    ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `media_folder`
[INFO] [stderr]   --> src/http.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     media_folder: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/file_manager.rs:129:21
[INFO] [stderr]     |
[INFO] [stderr] 129 |                     File::create(index_path);
[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: field is never used: `media_folder`
[INFO] [stderr]   --> src/http.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     media_folder: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/file_manager.rs:129:21
[INFO] [stderr]     |
[INFO] [stderr] 129 |                     File::create(index_path);
[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 import: `MediaServer`
[INFO] [stderr]  --> src/bin/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         MediaServer,
[INFO] [stderr]   |         ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MediaServer`
[INFO] [stderr]  --> src/bin/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         MediaServer,
[INFO] [stderr]   |         ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `"docker" "inspect" "a6c594c4b2c22b7218940415e0d8116292d4397ea2a038bc843175af8448de3a"`
[INFO] running `"docker" "rm" "-f" "a6c594c4b2c22b7218940415e0d8116292d4397ea2a038bc843175af8448de3a"`
[INFO] [stdout] a6c594c4b2c22b7218940415e0d8116292d4397ea2a038bc843175af8448de3a