[INFO] fetching crate adjacent-pair-iterator 1.0.0...
[INFO] testing adjacent-pair-iterator-1.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate adjacent-pair-iterator 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate adjacent-pair-iterator 1.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adjacent-pair-iterator 1.0.0
[INFO] finished tweaking crates.io crate adjacent-pair-iterator 1.0.0
[INFO] tweaked toml for crates.io crate adjacent-pair-iterator 1.0.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 902bdaf1a7b7b3509a560c983673039a0416c6aef0f45fdf700971163f426043
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "902bdaf1a7b7b3509a560c983673039a0416c6aef0f45fdf700971163f426043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "902bdaf1a7b7b3509a560c983673039a0416c6aef0f45fdf700971163f426043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902bdaf1a7b7b3509a560c983673039a0416c6aef0f45fdf700971163f426043", kill_on_drop: false }`
[INFO] [stdout] 902bdaf1a7b7b3509a560c983673039a0416c6aef0f45fdf700971163f426043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0329cefb46c7851e8994578a4a650ff37465a7cd9a0479a1b745cc1e97e0b08
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f0329cefb46c7851e8994578a4a650ff37465a7cd9a0479a1b745cc1e97e0b08", kill_on_drop: false }`
[INFO] [stderr]    Compiling adjacent-pair-iterator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "f0329cefb46c7851e8994578a4a650ff37465a7cd9a0479a1b745cc1e97e0b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0329cefb46c7851e8994578a4a650ff37465a7cd9a0479a1b745cc1e97e0b08", kill_on_drop: false }`
[INFO] [stdout] f0329cefb46c7851e8994578a4a650ff37465a7cd9a0479a1b745cc1e97e0b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2fe01fca20ee7b9e362eac6aea2551b74d6856447bfc1ce96fea0e8cf21ea5ac
[INFO] running `Command { std: "docker" "start" "-a" "2fe01fca20ee7b9e362eac6aea2551b74d6856447bfc1ce96fea0e8cf21ea5ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling adjacent-pair-iterator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "2fe01fca20ee7b9e362eac6aea2551b74d6856447bfc1ce96fea0e8cf21ea5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe01fca20ee7b9e362eac6aea2551b74d6856447bfc1ce96fea0e8cf21ea5ac", kill_on_drop: false }`
[INFO] [stdout] 2fe01fca20ee7b9e362eac6aea2551b74d6856447bfc1ce96fea0e8cf21ea5ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51ca58f750813a3ef109d68efb2724c2114436c6f58ce4aaf9f5edcfbc5181bf
[INFO] running `Command { std: "docker" "start" "-a" "51ca58f750813a3ef109d68efb2724c2114436c6f58ce4aaf9f5edcfbc5181bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/adjacent_pair_iterator-f50fa5bfee521fdd)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::should_convert_from_iterable ... ok
[INFO] [stdout] test tests::should_provide_nothing_for_only_one_input ... ok
[INFO] [stdout] test tests::should_debug_print ... ok
[INFO] [stdout] test tests::should_provide_many_pairs ... ok
[INFO] [stdout] test tests::should_provide_two_pairs_for_three_inputs ... ok
[INFO] [stdout] test tests::should_update_its_size_hint ... ok
[INFO] [stdout] test tests::should_provide_nothing_without_items ... ok
[INFO] [stdout] test tests::should_work_with_into_iterator ... ok
[INFO] [stdout] test tests::should_provide_pair_for_two_inputs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/readme_example.rs (/opt/rustwide/target/debug/deps/readme_example-07f786302e2e2f5a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests adjacent-pair-iterator
[INFO] [stdout] test readme_example_output_is_as_expected ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51ca58f750813a3ef109d68efb2724c2114436c6f58ce4aaf9f5edcfbc5181bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ca58f750813a3ef109d68efb2724c2114436c6f58ce4aaf9f5edcfbc5181bf", kill_on_drop: false }`
[INFO] [stdout] 51ca58f750813a3ef109d68efb2724c2114436c6f58ce4aaf9f5edcfbc5181bf