[INFO] updating cached repository morty-c137-prime/rusty-ricks-cheatsheet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/morty-c137-prime/rusty-ricks-cheatsheet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/morty-c137-prime/rusty-ricks-cheatsheet" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/morty-c137-prime/rusty-ricks-cheatsheet"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/morty-c137-prime/rusty-ricks-cheatsheet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/morty-c137-prime/rusty-ricks-cheatsheet" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/morty-c137-prime/rusty-ricks-cheatsheet"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/morty-c137-prime/rusty-ricks-cheatsheet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6e856caf6870a61d66827f8954c528c154ef164
[INFO] sha for GitHub repo morty-c137-prime/rusty-ricks-cheatsheet: c6e856caf6870a61d66827f8954c528c154ef164
[INFO] validating manifest of morty-c137-prime/rusty-ricks-cheatsheet 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 morty-c137-prime/rusty-ricks-cheatsheet 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 morty-c137-prime/rusty-ricks-cheatsheet
[INFO] finished frobbing morty-c137-prime/rusty-ricks-cheatsheet
[INFO] frobbed toml for morty-c137-prime/rusty-ricks-cheatsheet written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/morty-c137-prime/rusty-ricks-cheatsheet/Cargo.toml
[INFO] started frobbing morty-c137-prime/rusty-ricks-cheatsheet
[INFO] finished frobbing morty-c137-prime/rusty-ricks-cheatsheet
[INFO] frobbed toml for morty-c137-prime/rusty-ricks-cheatsheet written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/morty-c137-prime/rusty-ricks-cheatsheet/Cargo.toml
[INFO] crate morty-c137-prime/rusty-ricks-cheatsheet 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking morty-c137-prime/rusty-ricks-cheatsheet against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/morty-c137-prime/rusty-ricks-cheatsheet:/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] 5eebefb26d669f805716d2d4e6004d14273d9319ca0844df3c2233f9e59fa3bf
[INFO] running `"docker" "start" "-a" "5eebefb26d669f805716d2d4e6004d14273d9319ca0844df3c2233f9e59fa3bf"`
[INFO] [stderr]     Checking rusty-ricks-cheatsheet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `.`, `;`, `?`, or an operator, found `{`
[INFO] [stderr]   --> src/bin/chapter2-guessing-game.rs:30:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let guess: u32 = guess.trim().parse() 
[INFO] [stderr]    |                                              - expected one of `.`, `;`, `?`, or an operator here
[INFO] [stderr] 30 |         {
[INFO] [stderr]    |         ^ unexpected token
[INFO] [stderr] error: expected one of `.`, `;`, `?`, or an operator, found `let`
[INFO] [stderr]   --> src/bin/chapter4-ownership.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     } // s is dropped
[INFO] [stderr]    |      - help: a semicolon may be missing here
[INFO] [stderr] ...
[INFO] [stderr] 21 |     let mut string = String::from("hello");
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `;`, `?`, or an operator, found `let`
[INFO] [stderr]   --> src/bin/chapter4-ownership.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 17 |     } // s is dropped
[INFO] [stderr]    |      - help: a semicolon may be missing here
[INFO] [stderr] ...
[INFO] [stderr] 21 |     let mut string = String::from("hello");
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `;`, `?`, or an operator, found `{`
[INFO] [stderr]   --> src/bin/chapter2-guessing-game.rs:30:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let guess: u32 = guess.trim().parse() 
[INFO] [stderr]    |                                              - expected one of `.`, `;`, `?`, or an operator here
[INFO] [stderr] 30 |         {
[INFO] [stderr]    |         ^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rusty-ricks-cheatsheet`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0425]: cannot find function `thred_rng` in crate `rand`
[INFO] [stderr]   --> src/bin/chapter2-guessing-game.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let secret_number = rand::thred_rng().gen_range(1, 101);
[INFO] [stderr]    |                               ^^^^^^^^^ help: a function with a similar name exists: `thread_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]   --> src/bin/chapter2-guessing-game.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::cmp::Ordering;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/bin/chapter2-guessing-game.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `rusty-ricks-cheatsheet`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0425]: cannot find function `thred_rng` in crate `rand`
[INFO] [stderr]   --> src/bin/chapter2-guessing-game.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let secret_number = rand::thred_rng().gen_range(1, 101);
[INFO] [stderr]    |                               ^^^^^^^^^ help: a function with a similar name exists: `thread_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]   --> src/bin/chapter2-guessing-game.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::cmp::Ordering;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `xx` is never read
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut xx = 5;
[INFO] [stderr]    |             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `spaces`
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:41:6
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let spaces = spaces.len(); // Number
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_spaces`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `six`
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:61:6
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let six = if six == 6
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_six`
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rusty-ricks-cheatsheet`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: constant item is never used: `god`
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:29:2
[INFO] [stderr]    |
[INFO] [stderr] 29 |     const god: u32 = 5;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `god` should have an upper case name
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     const god: u32 = 5;
[INFO] [stderr]    |           ^^^ help: convert the identifier to upper case: `GOD`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 |         six + 1;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:67:3
[INFO] [stderr]    |
[INFO] [stderr] 67 |         six - 1; 
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `celsiusToFahrenheit` should have a snake case name
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn celsiusToFahrenheit(c: f64) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `celsius_to_fahrenheit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `fahrenheitToCelsius` should have a snake case name
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn fahrenheitToCelsius(f: f64) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `fahrenheit_to_celsius`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/bin/chapter2-guessing-game.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `rusty-ricks-cheatsheet`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: value assigned to `xx` is never read
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut xx = 5;
[INFO] [stderr]    |             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `spaces`
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:41:6
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let spaces = spaces.len(); // Number
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_spaces`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `six`
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:61:6
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let six = if six == 6
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_six`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `god` should have an upper case name
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     const god: u32 = 5;
[INFO] [stderr]    |           ^^^ help: convert the identifier to upper case: `GOD`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 |         six + 1;
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:67:3
[INFO] [stderr]    |
[INFO] [stderr] 67 |         six - 1; 
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `celsiusToFahrenheit` should have a snake case name
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn celsiusToFahrenheit(c: f64) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `celsius_to_fahrenheit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `fahrenheitToCelsius` should have a snake case name
[INFO] [stderr]   --> src/bin/chapter3-common-programming-concepts.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn fahrenheitToCelsius(f: f64) -> f64
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `fahrenheit_to_celsius`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5eebefb26d669f805716d2d4e6004d14273d9319ca0844df3c2233f9e59fa3bf"`
[INFO] running `"docker" "rm" "-f" "5eebefb26d669f805716d2d4e6004d14273d9319ca0844df3c2233f9e59fa3bf"`
[INFO] [stdout] 5eebefb26d669f805716d2d4e6004d14273d9319ca0844df3c2233f9e59fa3bf