[INFO] cloning repository https://github.com/BetulBulut/simple_calcuator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BetulBulut/simple_calcuator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBetulBulut%2Fsimple_calcuator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBetulBulut%2Fsimple_calcuator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 110bcb49047c5b804d357ce8fb9c0c51d8b0e091
[INFO] checking BetulBulut/simple_calcuator against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBetulBulut%2Fsimple_calcuator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BetulBulut/simple_calcuator
[INFO] finished tweaking git repo https://github.com/BetulBulut/simple_calcuator
[INFO] tweaked toml for git repo https://github.com/BetulBulut/simple_calcuator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BetulBulut/simple_calcuator on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BetulBulut/simple_calcuator 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88733b1a5b47ca89b56c430d798703e078ae8cf5a66ed49cb0cdd99225ce02dc
[INFO] running `Command { std: "docker" "start" "-a" "88733b1a5b47ca89b56c430d798703e078ae8cf5a66ed49cb0cdd99225ce02dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88733b1a5b47ca89b56c430d798703e078ae8cf5a66ed49cb0cdd99225ce02dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88733b1a5b47ca89b56c430d798703e078ae8cf5a66ed49cb0cdd99225ce02dc", kill_on_drop: false }`
[INFO] [stdout] 88733b1a5b47ca89b56c430d798703e078ae8cf5a66ed49cb0cdd99225ce02dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc94aafe68b41b0e5f546cddd2be8fdb6c6b64f3ef88cd0d187e7d66e7a6361e
[INFO] running `Command { std: "docker" "start" "-a" "fc94aafe68b41b0e5f546cddd2be8fdb6c6b64f3ef88cd0d187e7d66e7a6361e", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking scanf v1.2.1
[INFO] [stderr]     Checking calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]  --> src/main.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     while(true){
[INFO] [stdout]   |          ^    ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -     while(true){
[INFO] [stdout] 9 +     while true {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     while(true){
[INFO] [stdout]   |     ^^^^^^^^^^^ help: use `loop`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]  --> src/main.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     while(true){
[INFO] [stdout]   |          ^    ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -     while(true){
[INFO] [stdout] 9 +     while true {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     while(true){
[INFO] [stdout]   |     ^^^^^^^^^^^ help: use `loop`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |         if scanf!("{} {} {}",s,i,j).is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            unreachable call
[INFO] [stdout]    |            any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::sscanf` which comes from the expansion of the macro `scanf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `(): Into<Box<(dyn std::error::Error + Send + Sync + 'static)>>` is not satisfied
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |         if scanf!("{} {} {}",s,i,j).is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the trait `std::error::Error` is not implemented for `()`
[INFO] [stdout]    |            required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Box<(dyn std::error::Error + Send + Sync + 'static)>` to implement `From<()>`
[INFO] [stdout]    = note: required for `()` to implement `Into<Box<(dyn std::error::Error + Send + Sync + 'static)>>`
[INFO] [stdout] note: required by a bound in `std::io::Error::new`
[INFO] [stdout]   --> /rustc/50f413885985a8b0a0b6ca0766a0aedd45304953/library/std/src/io/error.rs:264:4
[INFO] [stdout]    = note: this error originates in the macro `$crate::sscanf` which comes from the expansion of the macro `scanf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |         if scanf!("{} {} {}",s,i,j).is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            unreachable call
[INFO] [stdout]    |            any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::sscanf` which comes from the expansion of the macro `scanf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `calculator` (bin "calculator" test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the trait bound `(): Into<Box<(dyn std::error::Error + Send + Sync + 'static)>>` is not satisfied
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |         if scanf!("{} {} {}",s,i,j).is_ok() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            the trait `std::error::Error` is not implemented for `()`
[INFO] [stdout]    |            required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for `Box<(dyn std::error::Error + Send + Sync + 'static)>` to implement `From<()>`
[INFO] [stdout]    = note: required for `()` to implement `Into<Box<(dyn std::error::Error + Send + Sync + 'static)>>`
[INFO] [stdout] note: required by a bound in `std::io::Error::new`
[INFO] [stdout]   --> /rustc/50f413885985a8b0a0b6ca0766a0aedd45304953/library/std/src/io/error.rs:264:4
[INFO] [stdout]    = note: this error originates in the macro `$crate::sscanf` which comes from the expansion of the macro `scanf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `calculator` (bin "calculator") due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fc94aafe68b41b0e5f546cddd2be8fdb6c6b64f3ef88cd0d187e7d66e7a6361e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc94aafe68b41b0e5f546cddd2be8fdb6c6b64f3ef88cd0d187e7d66e7a6361e", kill_on_drop: false }`
[INFO] [stdout] fc94aafe68b41b0e5f546cddd2be8fdb6c6b64f3ef88cd0d187e7d66e7a6361e