[INFO] cloning repository https://github.com/synomess/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/synomess/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynomess%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynomess%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4242fb270b69f0afab8389c0cb4d2de65290387c
[INFO] checking synomess/learning-rust against try#ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1 for pr-145108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynomess%2Flearning-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/synomess/learning-rust
[INFO] finished tweaking git repo https://github.com/synomess/learning-rust
[INFO] tweaked toml for git repo https://github.com/synomess/learning-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/synomess/learning-rust on toolchain ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/synomess/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking synomess/learning-rust against try#ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1 for pr-145108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsynomess%2Flearning-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/synomess/learning-rust
[INFO] finished tweaking git repo https://github.com/synomess/learning-rust
[INFO] tweaked toml for git repo https://github.com/synomess/learning-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/synomess/learning-rust on toolchain ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/synomess/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4baac1df6c4598889553a6d20844f9303c356711273d8d2eb67657f71cda93e1
[INFO] running `Command { std: "docker" "start" "-a" "4baac1df6c4598889553a6d20844f9303c356711273d8d2eb67657f71cda93e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4baac1df6c4598889553a6d20844f9303c356711273d8d2eb67657f71cda93e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4baac1df6c4598889553a6d20844f9303c356711273d8d2eb67657f71cda93e1", kill_on_drop: false }`
[INFO] [stdout] 4baac1df6c4598889553a6d20844f9303c356711273d8d2eb67657f71cda93e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fff68067896810d425ffde822ff069a580009c3e01fe420811c7700d2494a4d6
[INFO] running `Command { std: "docker" "start" "-a" "fff68067896810d425ffde822ff069a580009c3e01fe420811c7700d2494a4d6", kill_on_drop: false }`
[INFO] [stderr]     Checking activities v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `mavi` should have an upper camel case name
[INFO] [stdout]  --> src/bin/a7a.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     mavi,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Mavi`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `kirmizi` should have an upper camel case name
[INFO] [stdout]  --> src/bin/a7a.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     kirmizi,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Kirmizi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `mor` should have an upper camel case name
[INFO] [stdout]  --> src/bin/a7a.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mor,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Mor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Dahi` is never constructed
[INFO] [stdout]  --> src/bin/a7.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Sozluk {
[INFO] [stdout]   |      ------ variant in this enum
[INFO] [stdout] 2 |     Dahi,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clamp` is never used
[INFO] [stdout]   --> src/bin/a22.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn clamp(n: i32, lower: i32, upper: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `div` is never used
[INFO] [stdout]   --> src/bin/a22.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn div(a: i32, b: i32) -> Option<i32> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concat` is never used
[INFO] [stdout]   --> src/bin/a22.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn concat(first: &str, second: &str) -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/a23.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part_1() -> bool {
[INFO] [stdout]    |                ---- expected `bool` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 16 |     maybe_access("admin")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `Option<Access>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `bool`
[INFO] [stdout]               found enum `Option<Access>`
[INFO] [stdout] help: use `Option::is_some` to test if the `Option` has a value
[INFO] [stdout]    |
[INFO] [stdout] 16 |     maybe_access("admin").is_some()
[INFO] [stdout]    |                          ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/bin/a23.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn part_3() -> Access {
[INFO] [stdout]    |                ------ expected `Access` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 29 |     maybe_access("Alice")
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ expected `Access`, found `Option<Access>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Access`
[INFO] [stdout]               found enum `Option<Access>`
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option<Access>` value, panicking if the value is an `Option::None`
[INFO] [stdout]    |
[INFO] [stdout] 29 |     maybe_access("Alice").expect("REASON")
[INFO] [stdout]    |                          +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `activities` (bin "a23" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]   --> src/bin/a28.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Color {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/bin/a21.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_user` is never used
[INFO] [stdout]   --> src/bin/a21.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn find_user(name: &str) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `ab` is not used by name
[INFO] [stdout]   --> src/bin/a13.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     println!("{}",ab=ab+1);}
[INFO] [stdout]    |               --  ^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this formatting argument uses named argument `ab` by position
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 18 |     println!("{ab}",ab=ab+1);}
[INFO] [stdout]    |                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `ab` is not used by name
[INFO] [stdout]   --> src/bin/a13.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |     else{ println!("{}",ab=ab+2);}
[INFO] [stdout]    |                     --  ^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this formatting argument uses named argument `ab` by position
[INFO] [stdout]    |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 26 |     else{ println!("{ab}",ab=ab+2);}
[INFO] [stdout]    |                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `ab` is not used by name
[INFO] [stdout]  --> src/bin/a2.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("{}",ab=ab+1);}
[INFO] [stdout]   |               --  ^^ this named argument is referred to by position in formatting string
[INFO] [stdout]   |               |
[INFO] [stdout]   |               this formatting argument uses named argument `ab` by position
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("{ab}",ab=ab+1);}
[INFO] [stdout]   |                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `ab` is not used by name
[INFO] [stdout]   --> src/bin/a2.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |     else{ println!("{}",ab=ab+2);}
[INFO] [stdout]    |                     --  ^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     this formatting argument uses named argument `ab` by position
[INFO] [stdout]    |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 14 |     else{ println!("{ab}",ab=ab+2);}
[INFO] [stdout]    |                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fff68067896810d425ffde822ff069a580009c3e01fe420811c7700d2494a4d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff68067896810d425ffde822ff069a580009c3e01fe420811c7700d2494a4d6", kill_on_drop: false }`
[INFO] [stdout] fff68067896810d425ffde822ff069a580009c3e01fe420811c7700d2494a4d6