[INFO] updating cached repository CircuitCoder/Console-fztr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CircuitCoder/Console-fztr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CircuitCoder/Console-fztr" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/CircuitCoder/Console-fztr"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/CircuitCoder/Console-fztr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CircuitCoder/Console-fztr" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/CircuitCoder/Console-fztr"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/CircuitCoder/Console-fztr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6fc5892eb1061ea528d33d19f06ec0a69350a18b
[INFO] sha for GitHub repo CircuitCoder/Console-fztr: 6fc5892eb1061ea528d33d19f06ec0a69350a18b
[INFO] validating manifest of CircuitCoder/Console-fztr on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CircuitCoder/Console-fztr on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CircuitCoder/Console-fztr
[INFO] finished frobbing CircuitCoder/Console-fztr
[INFO] frobbed toml for CircuitCoder/Console-fztr written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/CircuitCoder/Console-fztr/Cargo.toml
[INFO] started frobbing CircuitCoder/Console-fztr
[INFO] finished frobbing CircuitCoder/Console-fztr
[INFO] frobbed toml for CircuitCoder/Console-fztr written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/CircuitCoder/Console-fztr/Cargo.toml
[INFO] crate CircuitCoder/Console-fztr already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-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-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/CircuitCoder/Console-fztr/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking CircuitCoder/Console-fztr against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-3/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/CircuitCoder/Console-fztr:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 455674efa09332552e2946467812c6e79e7be02bffcc7a296d8372947eb6a8de
[INFO] running `"docker" "start" "-a" "455674efa09332552e2946467812c6e79e7be02bffcc7a296d8372947eb6a8de"`
[INFO] [stderr]     Checking wkhtmltox-sys v0.1.2
[INFO] [stderr]     Checking wkhtmltopdf v0.3.0
[INFO] [stderr]     Checking console-fztr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:53:38
[INFO] [stderr]    |
[INFO] [stderr] 53 |             return Ok(Response::with((status::NotFound)));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:61:38
[INFO] [stderr]    |
[INFO] [stderr] 61 |             return Ok(Response::with((status::NotFound)));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:76:38
[INFO] [stderr]    |
[INFO] [stderr] 76 |             return Ok(Response::with((status::NotFound)));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(Response::with((status::Ok)))
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:94:38
[INFO] [stderr]    |
[INFO] [stderr] 94 |             return Ok(Response::with((status::NotFound)));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:113:34
[INFO] [stderr]     |
[INFO] [stderr] 113 |         return Ok(Response::with((status::NotFound)));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:53:38
[INFO] [stderr]    |
[INFO] [stderr] 53 |             return Ok(Response::with((status::NotFound)));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:61:38
[INFO] [stderr]    |
[INFO] [stderr] 61 |             return Ok(Response::with((status::NotFound)));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:76:38
[INFO] [stderr]    |
[INFO] [stderr] 76 |             return Ok(Response::with((status::NotFound)));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(Response::with((status::Ok)))
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:94:38
[INFO] [stderr]    |
[INFO] [stderr] 94 |             return Ok(Response::with((status::NotFound)));
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:113:34
[INFO] [stderr]     |
[INFO] [stderr] 113 |         return Ok(Response::with((status::NotFound)));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_ascii_chars` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/main.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let id = rand::thread_rng().gen_ascii_chars().take(20).collect::<String>();
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_ascii_chars` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/main.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let id = rand::thread_rng().gen_ascii_chars().take(20).collect::<String>();
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `console-fztr`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `console-fztr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "455674efa09332552e2946467812c6e79e7be02bffcc7a296d8372947eb6a8de"`
[INFO] running `"docker" "rm" "-f" "455674efa09332552e2946467812c6e79e7be02bffcc7a296d8372947eb6a8de"`
[INFO] [stdout] 455674efa09332552e2946467812c6e79e7be02bffcc7a296d8372947eb6a8de