[INFO] fetching crate unfold-iter 0.1.2...
[INFO] testing unfold-iter-0.1.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate unfold-iter 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate unfold-iter 0.1.2
[INFO] finished tweaking crates.io crate unfold-iter 0.1.2
[INFO] tweaked toml for crates.io crate unfold-iter 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unfold-iter 0.1.2 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unfold-iter 0.1.2 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" "+562dee4820c458d823175268e41601d4c060588a" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cf5ef2c77ecd102b480e7dcf691901f7146d08671ffec9409a9f171f74e8d3e
[INFO] running `Command { std: "docker" "start" "-a" "7cf5ef2c77ecd102b480e7dcf691901f7146d08671ffec9409a9f171f74e8d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cf5ef2c77ecd102b480e7dcf691901f7146d08671ffec9409a9f171f74e8d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf5ef2c77ecd102b480e7dcf691901f7146d08671ffec9409a9f171f74e8d3e", kill_on_drop: false }`
[INFO] [stdout] 7cf5ef2c77ecd102b480e7dcf691901f7146d08671ffec9409a9f171f74e8d3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23f6e40e9704a6360e0b455636d5ffc8a1ed5d37d1c38988f9bc93592e0b5ec8
[INFO] running `Command { std: "docker" "start" "-a" "23f6e40e9704a6360e0b455636d5ffc8a1ed5d37d1c38988f9bc93592e0b5ec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unfold-iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "23f6e40e9704a6360e0b455636d5ffc8a1ed5d37d1c38988f9bc93592e0b5ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f6e40e9704a6360e0b455636d5ffc8a1ed5d37d1c38988f9bc93592e0b5ec8", kill_on_drop: false }`
[INFO] [stdout] 23f6e40e9704a6360e0b455636d5ffc8a1ed5d37d1c38988f9bc93592e0b5ec8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fc15d5c166eb562f469dba39fb64d5783533c105aeaf0e0a2b8366ae87a1754
[INFO] running `Command { std: "docker" "start" "-a" "8fc15d5c166eb562f469dba39fb64d5783533c105aeaf0e0a2b8366ae87a1754", kill_on_drop: false }`
[INFO] [stderr]    Compiling unfold-iter v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "8fc15d5c166eb562f469dba39fb64d5783533c105aeaf0e0a2b8366ae87a1754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc15d5c166eb562f469dba39fb64d5783533c105aeaf0e0a2b8366ae87a1754", kill_on_drop: false }`
[INFO] [stdout] 8fc15d5c166eb562f469dba39fb64d5783533c105aeaf0e0a2b8366ae87a1754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 755d31dd91d95271d7983f62307329ca5b22cbc8e4fa1bc704ed536556b7b854
[INFO] running `Command { std: "docker" "start" "-a" "755d31dd91d95271d7983f62307329ca5b22cbc8e4fa1bc704ed536556b7b854", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unfold_iter-6fb2df36342e071e)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_unfold ... ok
[INFO] [stdout] test tests::test_try_unfold ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unfold_iter
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "755d31dd91d95271d7983f62307329ca5b22cbc8e4fa1bc704ed536556b7b854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755d31dd91d95271d7983f62307329ca5b22cbc8e4fa1bc704ed536556b7b854", kill_on_drop: false }`
[INFO] [stdout] 755d31dd91d95271d7983f62307329ca5b22cbc8e4fa1bc704ed536556b7b854