[INFO] fetching crate tuplities-pop-back 0.1.4...
[INFO] testing tuplities-pop-back-0.1.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate tuplities-pop-back 0.1.4 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tuplities-pop-back 0.1.4
[INFO] finished tweaking crates.io crate tuplities-pop-back 0.1.4
[INFO] tweaked toml for crates.io crate tuplities-pop-back 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tuplities-pop-back 0.1.4 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 tuplities-pop-back 0.1.4 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tuplities-derive v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8fe4669f2b7ea05628e71a95ee65aa0bc186a8b60ad613893080474cba964524
[INFO] running `Command { std: "docker" "start" "-a" "8fe4669f2b7ea05628e71a95ee65aa0bc186a8b60ad613893080474cba964524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fe4669f2b7ea05628e71a95ee65aa0bc186a8b60ad613893080474cba964524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe4669f2b7ea05628e71a95ee65aa0bc186a8b60ad613893080474cba964524", kill_on_drop: false }`
[INFO] [stdout] 8fe4669f2b7ea05628e71a95ee65aa0bc186a8b60ad613893080474cba964524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9b91131f704b5d6acbca13f90d3f77bc1a65d4f9130d922224091ec6deba4014
[INFO] running `Command { std: "docker" "start" "-a" "9b91131f704b5d6acbca13f90d3f77bc1a65d4f9130d922224091ec6deba4014", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling tuplities-derive v0.1.4
[INFO] [stderr]    Compiling tuplities-pop-back v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.71s
[INFO] running `Command { std: "docker" "inspect" "9b91131f704b5d6acbca13f90d3f77bc1a65d4f9130d922224091ec6deba4014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b91131f704b5d6acbca13f90d3f77bc1a65d4f9130d922224091ec6deba4014", kill_on_drop: false }`
[INFO] [stdout] 9b91131f704b5d6acbca13f90d3f77bc1a65d4f9130d922224091ec6deba4014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 249391a8c2603dd7734100e0eec074a048085ccac70178750f9bf5bc11abcc11
[INFO] running `Command { std: "docker" "start" "-a" "249391a8c2603dd7734100e0eec074a048085ccac70178750f9bf5bc11abcc11", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuplities-pop-back v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "249391a8c2603dd7734100e0eec074a048085ccac70178750f9bf5bc11abcc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249391a8c2603dd7734100e0eec074a048085ccac70178750f9bf5bc11abcc11", kill_on_drop: false }`
[INFO] [stdout] 249391a8c2603dd7734100e0eec074a048085ccac70178750f9bf5bc11abcc11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7e6a471ea17a71d1887231f99bf497a3f3cfd334e72056aca0b9af4ddab8a5a2
[INFO] running `Command { std: "docker" "start" "-a" "7e6a471ea17a71d1887231f99bf497a3f3cfd334e72056aca0b9af4ddab8a5a2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tuplities_pop_back-ec3a1c93376b7378)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_pop_back_single_element_tuple ... ok
[INFO] [stderr]    Doc-tests tuplities_pop_back
[INFO] [stdout] test tests::test_pop_back_two_element_tuple ... 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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - TupleRefBack (line 37) ... ok
[INFO] [stdout] test src/lib.rs - TupleMutBack (line 57) ... ok
[INFO] [stdout] test src/lib.rs - TuplePopBack::pop_back (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.54s; merged doctests compilation took 0.52s
[INFO] running `Command { std: "docker" "inspect" "7e6a471ea17a71d1887231f99bf497a3f3cfd334e72056aca0b9af4ddab8a5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6a471ea17a71d1887231f99bf497a3f3cfd334e72056aca0b9af4ddab8a5a2", kill_on_drop: false }`
[INFO] [stdout] 7e6a471ea17a71d1887231f99bf497a3f3cfd334e72056aca0b9af4ddab8a5a2