[INFO] updating cached repository deadcheat/remember_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/deadcheat/remember_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/deadcheat/remember_rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/deadcheat/remember_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/deadcheat/remember_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/deadcheat/remember_rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/deadcheat/remember_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/deadcheat/remember_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 410a0a01cae946dd669854c65dcb5b2688f5aa90
[INFO] sha for GitHub repo deadcheat/remember_rust: 410a0a01cae946dd669854c65dcb5b2688f5aa90
[INFO] validating manifest of deadcheat/remember_rust 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 deadcheat/remember_rust 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 deadcheat/remember_rust
[INFO] finished frobbing deadcheat/remember_rust
[INFO] frobbed toml for deadcheat/remember_rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/deadcheat/remember_rust/Cargo.toml
[INFO] started frobbing deadcheat/remember_rust
[INFO] finished frobbing deadcheat/remember_rust
[INFO] frobbed toml for deadcheat/remember_rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/deadcheat/remember_rust/Cargo.toml
[INFO] crate deadcheat/remember_rust 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking deadcheat/remember_rust against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/deadcheat/remember_rust:/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] 51a31199d596e67bafacb11f8df3b373ac815b2e75205dc1f1450f273ed1a404
[INFO] running `"docker" "start" "-a" "51a31199d596e67bafacb11f8df3b373ac815b2e75205dc1f1450f273ed1a404"`
[INFO] [stderr]     Checking remember_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `seasonal_fruit`
[INFO] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         seasonal_fruit: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `seasonal_fruit`
[INFO] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         seasonal_fruit: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `four`
[INFO] [stderr]    --> src/main.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let four = IpAddrKind::V4;
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_four`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `six`
[INFO] [stderr]    --> src/main.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let six = IpAddrKind::V6;
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_six`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `home`
[INFO] [stderr]    --> src/main.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |     let home = IpAddr::V4(String::from("127.0.0.1"));
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_home`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loopback`
[INFO] [stderr]    --> src/main.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let loopback = IpAddr::V6(String::from("::1"));
[INFO] [stderr]     |         ^^^^^^^^ help: consider prefixing with an underscore: `_loopback`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/main.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let v: Vec<i32> = Vec::new();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]    --> src/main.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 |     let row = vec![
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |     let s = data.to_string();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |     let s = "initial contents".to_string();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `four`
[INFO] [stderr]    --> src/main.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |     let four = IpAddrKind::V4;
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_four`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `six`
[INFO] [stderr]    --> src/main.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let six = IpAddrKind::V6;
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_six`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `home`
[INFO] [stderr]    --> src/main.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |     let home = IpAddr::V4(String::from("127.0.0.1"));
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_home`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loopback`
[INFO] [stderr]    --> src/main.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let loopback = IpAddr::V6(String::from("::1"));
[INFO] [stderr]     |         ^^^^^^^^ help: consider prefixing with an underscore: `_loopback`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/main.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let v: Vec<i32> = Vec::new();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]    --> src/main.rs:244:9
[INFO] [stderr]     |
[INFO] [stderr] 244 |     let row = vec![
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |     let s = data.to_string();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/main.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |     let s = "initial contents".to_string();
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Penny`
[INFO] [stderr]    --> src/main.rs:297:5
[INFO] [stderr]     |
[INFO] [stderr] 297 |     Penny,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nickel`
[INFO] [stderr]    --> src/main.rs:298:5
[INFO] [stderr]     |
[INFO] [stderr] 298 |     Nickel,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dime`
[INFO] [stderr]    --> src/main.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     Dime,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alaska`
[INFO] [stderr]    --> src/main.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 305 |     Alaska,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Quit`
[INFO] [stderr]    --> src/main.rs:310:5
[INFO] [stderr]     |
[INFO] [stderr] 310 |     Quit,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Move`
[INFO] [stderr]    --> src/main.rs:311:5
[INFO] [stderr]     |
[INFO] [stderr] 311 |     Move { x: i32, y: i32 },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ChangeColor`
[INFO] [stderr]    --> src/main.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 |     ChangeColor(i32, i32, i32),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Penny`
[INFO] [stderr]    --> src/main.rs:297:5
[INFO] [stderr]     |
[INFO] [stderr] 297 |     Penny,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Nickel`
[INFO] [stderr]    --> src/main.rs:298:5
[INFO] [stderr]     |
[INFO] [stderr] 298 |     Nickel,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dime`
[INFO] [stderr]    --> src/main.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     Dime,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Alaska`
[INFO] [stderr]    --> src/main.rs:305:5
[INFO] [stderr]     |
[INFO] [stderr] 305 |     Alaska,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Quit`
[INFO] [stderr]    --> src/main.rs:310:5
[INFO] [stderr]     |
[INFO] [stderr] 310 |     Quit,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Move`
[INFO] [stderr]    --> src/main.rs:311:5
[INFO] [stderr]     |
[INFO] [stderr] 311 |     Move { x: i32, y: i32 },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ChangeColor`
[INFO] [stderr]    --> src/main.rs:313:5
[INFO] [stderr]     |
[INFO] [stderr] 313 |     ChangeColor(i32, i32, i32),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "51a31199d596e67bafacb11f8df3b373ac815b2e75205dc1f1450f273ed1a404"`
[INFO] running `"docker" "rm" "-f" "51a31199d596e67bafacb11f8df3b373ac815b2e75205dc1f1450f273ed1a404"`
[INFO] [stdout] 51a31199d596e67bafacb11f8df3b373ac815b2e75205dc1f1450f273ed1a404