[INFO] fetching crate iter-builder 0.1.0...
[INFO] testing iter-builder-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate iter-builder 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate iter-builder 0.1.0
[INFO] finished tweaking crates.io crate iter-builder 0.1.0
[INFO] tweaked toml for crates.io crate iter-builder 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iter-builder 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iter-builder 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b426e6e4c0319d50ed82e653e91d0adb32b986ce9642447f3366effa83989a97
[INFO] running `Command { std: "docker" "start" "-a" "b426e6e4c0319d50ed82e653e91d0adb32b986ce9642447f3366effa83989a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b426e6e4c0319d50ed82e653e91d0adb32b986ce9642447f3366effa83989a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b426e6e4c0319d50ed82e653e91d0adb32b986ce9642447f3366effa83989a97", kill_on_drop: false }`
[INFO] [stdout] b426e6e4c0319d50ed82e653e91d0adb32b986ce9642447f3366effa83989a97
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2aacaeb495eac694280538258b2f72f0adfe0621ca15b9e212c92dfefdb1b33
[INFO] running `Command { std: "docker" "start" "-a" "a2aacaeb495eac694280538258b2f72f0adfe0621ca15b9e212c92dfefdb1b33", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-builder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "a2aacaeb495eac694280538258b2f72f0adfe0621ca15b9e212c92dfefdb1b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2aacaeb495eac694280538258b2f72f0adfe0621ca15b9e212c92dfefdb1b33", kill_on_drop: false }`
[INFO] [stdout] a2aacaeb495eac694280538258b2f72f0adfe0621ca15b9e212c92dfefdb1b33
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b9596de7b173265e9bbb4d208ba4bbae47dea7b80530b40983b5006ef1f720
[INFO] running `Command { std: "docker" "start" "-a" "f8b9596de7b173265e9bbb4d208ba4bbae47dea7b80530b40983b5006ef1f720", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-builder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f8b9596de7b173265e9bbb4d208ba4bbae47dea7b80530b40983b5006ef1f720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b9596de7b173265e9bbb4d208ba4bbae47dea7b80530b40983b5006ef1f720", kill_on_drop: false }`
[INFO] [stdout] f8b9596de7b173265e9bbb4d208ba4bbae47dea7b80530b40983b5006ef1f720
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c5aa6d84b3a0f6db813b9b763a7789c2a9e29282119a4766f871189adc913c1
[INFO] running `Command { std: "docker" "start" "-a" "7c5aa6d84b3a0f6db813b9b763a7789c2a9e29282119a4766f871189adc913c1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter_builder-aa3a52898433e913)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::size1 ... ok
[INFO] [stdout] test tests::test_exact ... ok
[INFO] [stdout] test tests::size ... ok
[INFO] [stdout] test tests::test_exact_fused ... ok
[INFO] [stdout] test tests::test_fused ... ok
[INFO] [stdout] test tests::test_nth ... ok
[INFO] [stdout] test tests::test_next ... ok
[INFO] [stdout] test tests::test_next_back ... ok
[INFO] [stdout] test tests::test_nth_dep ... ok
[INFO] [stdout] test tests::test_size_hint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_builder
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - Iter<S,Flags<false,Fused,Exact>,Next,Nth,SizeHint,NextBack,NthBack>::nth_back (line 251) ... ok
[INFO] [stdout] test src/lib.rs - Iter<S,Flags<false,Fused,Exact>,Next,Nth,SizeHint,NextBack,NthBack>::nth (line 137) ... ok
[INFO] [stdout] test src/lib.rs - Iter<S,Flags<false,Fused,Exact>,Next,Nth,SizeHint,NextBack,NthBack>::next_back (line 212) ... ok
[INFO] [stdout] test src/lib.rs - Iter<(),Flags<false,false,false>,Meta<F,(),T>,No<T>,No<T>,No<T>,
[INFO] [stdout] No<T>>::new_unit (line 99) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - Iter<S,Flags<false,Fused,Exact>,Next,Nth,SizeHint,NextBack,NthBack>::size_hint (line 176) ... ok
[INFO] [stdout] test src/lib.rs - Iter<S,Flags<false,false,false>,Meta<F,S,T>,No<T>,No<T>,No<T>,No<T>>::new (line 64) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c5aa6d84b3a0f6db813b9b763a7789c2a9e29282119a4766f871189adc913c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c5aa6d84b3a0f6db813b9b763a7789c2a9e29282119a4766f871189adc913c1", kill_on_drop: false }`
[INFO] [stdout] 7c5aa6d84b3a0f6db813b9b763a7789c2a9e29282119a4766f871189adc913c1