[INFO] cloning repository https://github.com/s-kawabe/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/s-kawabe/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-kawabe%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-kawabe%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6f2b91614b70b76885f5175e35919484ca261cc
[INFO] checking s-kawabe/rust-sandbox against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fs-kawabe%2Frust-sandbox" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/s-kawabe/rust-sandbox
[INFO] finished tweaking git repo https://github.com/s-kawabe/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/s-kawabe/rust-sandbox written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/s-kawabe/rust-sandbox on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/s-kawabe/rust-sandbox 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 890b04d53176dfde2d5730ef225b531314f2a5e235d07b770747792adef57000
[INFO] running `Command { std: "docker" "start" "890b04d53176dfde2d5730ef225b531314f2a5e235d07b770747792adef57000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890b04d53176dfde2d5730ef225b531314f2a5e235d07b770747792adef57000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "890b04d53176dfde2d5730ef225b531314f2a5e235d07b770747792adef57000" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890b04d53176dfde2d5730ef225b531314f2a5e235d07b770747792adef57000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "890b04d53176dfde2d5730ef225b531314f2a5e235d07b770747792adef57000" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]   --> src/types.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 |     }
[INFO] [stdout]    |      ^ help: add `;` here
[INFO] [stdout] 71 | }
[INFO] [stdout]    | - unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `error_handling` is defined multiple times
[INFO] [stdout]    --> src/types.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn error_handling(result: Result<i32, String>) -> Result<i32, String> {
[INFO] [stdout]     |     --------------------------------------------------------------------- previous definition of the value `error_handling` here
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn error_handling(result: Result<i32, String>) -> Result<i32, String> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `error_handling` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `error_handling` must be defined only once in the value namespace of this block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]   --> src/types.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 |     }
[INFO] [stdout]    |      ^ help: add `;` here
[INFO] [stdout] 71 | }
[INFO] [stdout]    | - unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `error_handling` is defined multiple times
[INFO] [stdout]    --> src/types.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn error_handling(result: Result<i32, String>) -> Result<i32, String> {
[INFO] [stdout]     |     --------------------------------------------------------------------- previous definition of the value `error_handling` here
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn error_handling(result: Result<i32, String>) -> Result<i32, String> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `error_handling` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `error_handling` must be defined only once in the value namespace of this block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[i32]` cannot be known at compilation time
[INFO] [stdout]   --> src/types.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     println!("a3: {:?}", a3[0..2]); // スライスとして扱うと範囲指定ができる
[INFO] [stdout]    |                   ----   ^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `[i32]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s3`
[INFO] [stdout]   --> src/types.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let s3: String = s2.to_string(); // &str -> String
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `t1` is assigned to, but never used
[INFO] [stdout]   --> src/types.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut t1 = (10, 10.0, "Hello, world!");
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_t1` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t1` is never read
[INFO] [stdout]   --> src/types.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     t1.0 = 20; // 変数.n でアクセスできる
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t1` is never read
[INFO] [stdout]   --> src/types.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     t1.2 = "Hello, Rust!";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/types.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let u = User {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of partially moved value: `result`
[INFO] [stdout]   --> src/types.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Err(e) => println!("Error: {}", e),
[INFO] [stdout]    |             - value partially moved here
[INFO] [stdout] ...
[INFO] [stdout] 97 |     if let Ok(code) = result {
[INFO] [stdout]    |                       ^^^^^^ value used here after partial move
[INFO] [stdout]    |
[INFO] [stdout]    = note: partial move occurs because value has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] help: borrow this binding in the pattern to avoid moving the value
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Err(ref e) => println!("Error: {}", e),
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[i32]` cannot be known at compilation time
[INFO] [stdout]   --> src/types.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     println!("a3: {:?}", a3[0..2]); // スライスとして扱うと範囲指定ができる
[INFO] [stdout]    |                   ----   ^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `[i32]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o1`
[INFO] [stdout]   --> src/types.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let o1: Option<i32> = Some(10);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_o1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_result`
[INFO] [stdout]    --> src/types.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let next_result = result.and_then(func); // func()は実行される
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_result`
[INFO] [stdout]    --> src/types.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let next_result = result.and_then(func); // func()は実行されない
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0382, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s3`
[INFO] [stdout]   --> src/types.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let s3: String = s2.to_string(); // &str -> String
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `t1` is assigned to, but never used
[INFO] [stdout]   --> src/types.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut t1 = (10, 10.0, "Hello, world!");
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_t1` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t1` is never read
[INFO] [stdout]   --> src/types.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     t1.0 = 20; // 変数.n でアクセスできる
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t1` is never read
[INFO] [stdout]   --> src/types.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     t1.2 = "Hello, Rust!";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> src/types.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let u = User {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of partially moved value: `result`
[INFO] [stdout]   --> src/types.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Err(e) => println!("Error: {}", e),
[INFO] [stdout]    |             - value partially moved here
[INFO] [stdout] ...
[INFO] [stdout] 97 |     if let Ok(code) = result {
[INFO] [stdout]    |                       ^^^^^^ value used here after partial move
[INFO] [stdout]    |
[INFO] [stdout]    = note: partial move occurs because value has type `String`, which does not implement the `Copy` trait
[INFO] [stdout] help: borrow this binding in the pattern to avoid moving the value
[INFO] [stdout]    |
[INFO] [stdout] 94 |         Err(ref e) => println!("Error: {}", e),
[INFO] [stdout]    |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o1`
[INFO] [stdout]   --> src/types.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let o1: Option<i32> = Some(10);
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_o1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_result`
[INFO] [stdout]    --> src/types.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let next_result = result.and_then(func); // func()は実行される
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_result`
[INFO] [stdout]    --> src/types.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let next_result = result.and_then(func); // func()は実行されない
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0382, E0428.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-sandbox` (bin "rust-sandbox" test) due to 4 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-sandbox` (bin "rust-sandbox") due to 4 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "890b04d53176dfde2d5730ef225b531314f2a5e235d07b770747792adef57000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890b04d53176dfde2d5730ef225b531314f2a5e235d07b770747792adef57000", kill_on_drop: false }`
[INFO] [stdout] 890b04d53176dfde2d5730ef225b531314f2a5e235d07b770747792adef57000
