[INFO] cloning repository https://github.com/Tokeiya/int_rpn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tokeiya/int_rpn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTokeiya%2Fint_rpn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTokeiya%2Fint_rpn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4384dc0b68f6f2b0ac15dcb491f31b669e9a6d13
[INFO] testing Tokeiya/int_rpn against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTokeiya%2Fint_rpn" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tokeiya/int_rpn on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tokeiya/int_rpn
[INFO] finished tweaking git repo https://github.com/Tokeiya/int_rpn
[INFO] tweaked toml for git repo https://github.com/Tokeiya/int_rpn written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/Tokeiya/int_rpn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4939c120d95fdd0efbbb8ed09bfb5e089005799d6927d093548bea81632205b3
[INFO] running `Command { std: "docker" "start" "-a" "4939c120d95fdd0efbbb8ed09bfb5e089005799d6927d093548bea81632205b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4939c120d95fdd0efbbb8ed09bfb5e089005799d6927d093548bea81632205b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4939c120d95fdd0efbbb8ed09bfb5e089005799d6927d093548bea81632205b3", kill_on_drop: false }`
[INFO] [stdout] 4939c120d95fdd0efbbb8ed09bfb5e089005799d6927d093548bea81632205b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4463c60ec02385366cda9728e39878a9459050c4c980e71dc172df9d7b60292f
[INFO] running `Command { std: "docker" "start" "-a" "4463c60ec02385366cda9728e39878a9459050c4c980e71dc172df9d7b60292f", 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] [stderr]    Compiling calc_core v0.1.0 (/opt/rustwide/workdir/calc_core)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> calc_core/src/splitter.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn is_delimiter(c:&char)->bool{*c==' '||*c=='\t'};
[INFO] [stdout]    |                                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> calc_core/src/token.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir/calc)
[INFO] [stdout] warning: function is never used: `add_dyn`
[INFO] [stdout]  --> calc/src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn add_dyn<'a>(scr:&'a mut dyn Iterator<Item=&i32>) -> Box<dyn Iterator<Item=i32>+'a> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "4463c60ec02385366cda9728e39878a9459050c4c980e71dc172df9d7b60292f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4463c60ec02385366cda9728e39878a9459050c4c980e71dc172df9d7b60292f", kill_on_drop: false }`
[INFO] [stdout] 4463c60ec02385366cda9728e39878a9459050c4c980e71dc172df9d7b60292f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 989a023e3d971ac36db36d0597d6efa13752283e3db09c07d8e18383af7e447b
[INFO] running `Command { std: "docker" "start" "-a" "989a023e3d971ac36db36d0597d6efa13752283e3db09c07d8e18383af7e447b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> calc_core/src/splitter.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn is_delimiter(c:&char)->bool{*c==' '||*c=='\t'};
[INFO] [stdout]    |                                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling calc_core v0.1.0 (/opt/rustwide/workdir/calc_core)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> calc_core/src/token.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir/calc)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> calc_core/src/splitter.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn is_delimiter(c:&char)->bool{*c==' '||*c=='\t'};
[INFO] [stdout]    |                                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> calc_core/src/token.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_dyn`
[INFO] [stdout]  --> calc/src/main.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn add_dyn<'a>(scr:&'a mut dyn Iterator<Item=&i32>) -> Box<dyn Iterator<Item=i32>+'a> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "989a023e3d971ac36db36d0597d6efa13752283e3db09c07d8e18383af7e447b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989a023e3d971ac36db36d0597d6efa13752283e3db09c07d8e18383af7e447b", kill_on_drop: false }`
[INFO] [stdout] 989a023e3d971ac36db36d0597d6efa13752283e3db09c07d8e18383af7e447b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ecdc8ed2866d96f2a94e0eb6bd55d374d8fa0c6a705955edfe8e0fb8f08391a8
[INFO] running `Command { std: "docker" "start" "-a" "ecdc8ed2866d96f2a94e0eb6bd55d374d8fa0c6a705955edfe8e0fb8f08391a8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> calc_core/src/splitter.rs:10:51
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn is_delimiter(c:&char)->bool{*c==' '||*c=='\t'};
[INFO] [stderr]    |                                                      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> calc_core/src/token.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `calc_core` (lib) generated 2 warnings
[INFO] [stderr] warning: `calc_core` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: function is never used: `add_dyn`
[INFO] [stderr]  --> calc/src/main.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn add_dyn<'a>(scr:&'a mut dyn Iterator<Item=&i32>) -> Box<dyn Iterator<Item=i32>+'a> {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `calc` (bin "calc" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calc-a4b4f68d9f69b274)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calc_core-b49272eccf5184f9)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test splitter::tests::splitter_test ... ok
[INFO] [stdout] test token::tests::token_display_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests calc_core
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> /opt/rustwide/workdir/calc_core/src/splitter.rs:10:51
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 10 |     fn is_delimiter(c:&char)->bool{*c==' '||*c=='\t'};
[INFO] [stdout] 
[INFO] [stderr]    |                                                      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/calc_core/src/token.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "ecdc8ed2866d96f2a94e0eb6bd55d374d8fa0c6a705955edfe8e0fb8f08391a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdc8ed2866d96f2a94e0eb6bd55d374d8fa0c6a705955edfe8e0fb8f08391a8", kill_on_drop: false }`
[INFO] [stdout] ecdc8ed2866d96f2a94e0eb6bd55d374d8fa0c6a705955edfe8e0fb8f08391a8