[INFO] cloning repository https://github.com/serega-fighter/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serega-fighter/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserega-fighter%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserega-fighter%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98fabb15dfd4f46260513530fe6a0f6ddfd0162c
[INFO] testing serega-fighter/rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserega-fighter%2Frust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serega-fighter/rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/serega-fighter/rust
[INFO] finished tweaking git repo https://github.com/serega-fighter/rust
[INFO] tweaked toml for git repo https://github.com/serega-fighter/rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/serega-fighter/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fad9e50a9f83ca2f351d3302f5016ac25ec15a27c24a515da5cce65c41a2dfd
[INFO] running `Command { std: "docker" "start" "-a" "8fad9e50a9f83ca2f351d3302f5016ac25ec15a27c24a515da5cce65c41a2dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fad9e50a9f83ca2f351d3302f5016ac25ec15a27c24a515da5cce65c41a2dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fad9e50a9f83ca2f351d3302f5016ac25ec15a27c24a515da5cce65c41a2dfd", kill_on_drop: false }`
[INFO] [stdout] 8fad9e50a9f83ca2f351d3302f5016ac25ec15a27c24a515da5cce65c41a2dfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e792a8e01bac5ec89c0d578b9a2765fcba60244594073169d504391cd430a90
[INFO] running `Command { std: "docker" "start" "-a" "9e792a8e01bac5ec89c0d578b9a2765fcba60244594073169d504391cd430a90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rust-workspace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read main.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-workspace` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variant is never constructed: `Penny`
[INFO] [stdout]  --> src/basic/match_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Penny,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dime`
[INFO] [stdout]  --> src/basic/match_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Dime,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Quarter`
[INFO] [stdout]  --> src/basic/match_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Quarter,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `retInt` should have a snake case name
[INFO] [stdout]  --> src/basic/match_test.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn retInt() -> i32 {
[INFO] [stdout]   |    ^^^^^^ help: convert the identifier to snake case: `ret_int`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `retOptional` should have a snake case name
[INFO] [stdout]   --> src/basic/match_test.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn retOptional() -> Option<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `ret_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `head`
[INFO] [stdout]   --> src/basic/string_test.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (head, tail) = text.split_at(21);
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tail`
[INFO] [stdout]   --> src/basic/string_test.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (head, tail) = text.split_at(21);
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_tail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/basic/box_test.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let data = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil))))));
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `s2` does not live long enough
[INFO] [stdout]   --> src/basic/lifetime_test.rs:16:39
[INFO] [stdout]    |
[INFO] [stdout] 16 |         result = longest(s1.as_str(), s2.as_str());
[INFO] [stdout]    |                                       ^^^^^^^^^^^ borrowed value does not live long enough
[INFO] [stdout] 17 |     }
[INFO] [stdout]    |     - `s2` dropped here while still borrowed
[INFO] [stdout] 18 |     println!("The longest string is {}", result);
[INFO] [stdout]    |                                          ------ borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/basic/vector_test.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let z = vec![1, 3, 5];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `active`
[INFO] [stdout]  --> src/basic/struct_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     active: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `email`
[INFO] [stdout]  --> src/basic/struct_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     email: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign_in_count`
[INFO] [stdout]  --> src/basic/struct_test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sign_in_count: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9e792a8e01bac5ec89c0d578b9a2765fcba60244594073169d504391cd430a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e792a8e01bac5ec89c0d578b9a2765fcba60244594073169d504391cd430a90", kill_on_drop: false }`
[INFO] [stdout] 9e792a8e01bac5ec89c0d578b9a2765fcba60244594073169d504391cd430a90