[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTokeiya%2Fint_rpn" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tokeiya/int_rpn on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a69068650915d2803f6d47cd6e7e0bbe6f0a17a1821aa62c79ccabd67aea691
[INFO] running `Command { std: "docker" "start" "-a" "3a69068650915d2803f6d47cd6e7e0bbe6f0a17a1821aa62c79ccabd67aea691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a69068650915d2803f6d47cd6e7e0bbe6f0a17a1821aa62c79ccabd67aea691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a69068650915d2803f6d47cd6e7e0bbe6f0a17a1821aa62c79ccabd67aea691", kill_on_drop: false }`
[INFO] [stdout] 3a69068650915d2803f6d47cd6e7e0bbe6f0a17a1821aa62c79ccabd67aea691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d568dcecfa68c3b7dde77b2a375841edaca54f1fb5b7aa511e4c231abaf3b649
[INFO] running `Command { std: "docker" "start" "-a" "d568dcecfa68c3b7dde77b2a375841edaca54f1fb5b7aa511e4c231abaf3b649", kill_on_drop: false }`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d568dcecfa68c3b7dde77b2a375841edaca54f1fb5b7aa511e4c231abaf3b649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d568dcecfa68c3b7dde77b2a375841edaca54f1fb5b7aa511e4c231abaf3b649", kill_on_drop: false }`
[INFO] [stdout] d568dcecfa68c3b7dde77b2a375841edaca54f1fb5b7aa511e4c231abaf3b649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d48efd609c9c409db5cd78339bab7a3308351d0a299869905a52221d66393ca0
[INFO] running `Command { std: "docker" "start" "-a" "d48efd609c9c409db5cd78339bab7a3308351d0a299869905a52221d66393ca0", kill_on_drop: false }`
[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] [stderr]    Compiling calc v0.1.0 (/opt/rustwide/workdir/calc)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 1.00s
[INFO] running `Command { std: "docker" "inspect" "d48efd609c9c409db5cd78339bab7a3308351d0a299869905a52221d66393ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48efd609c9c409db5cd78339bab7a3308351d0a299869905a52221d66393ca0", kill_on_drop: false }`
[INFO] [stdout] d48efd609c9c409db5cd78339bab7a3308351d0a299869905a52221d66393ca0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52f7f8022b64a1e0db3e3493fbb4e19d73041a45668834825403d201a940bd7c
[INFO] running `Command { std: "docker" "start" "-a" "52f7f8022b64a1e0db3e3493fbb4e19d73041a45668834825403d201a940bd7c", 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: 2 warnings emitted
[INFO] [stderr] 
[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: 2 warnings emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calc-1fbeb114487c19af)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/calc_core-92974866906bb18b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests calc_core
[INFO] [stdout] test token::tests::token_display_test ... ok
[INFO] [stdout] test splitter::tests::splitter_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] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> /opt/rustwide/workdir/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]   --> /opt/rustwide/workdir/calc_core/src/token.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "52f7f8022b64a1e0db3e3493fbb4e19d73041a45668834825403d201a940bd7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f7f8022b64a1e0db3e3493fbb4e19d73041a45668834825403d201a940bd7c", kill_on_drop: false }`
[INFO] [stdout] 52f7f8022b64a1e0db3e3493fbb4e19d73041a45668834825403d201a940bd7c