[INFO] fetching crate adjacent-pair-iterator 1.0.0...
[INFO] testing adjacent-pair-iterator-1.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate adjacent-pair-iterator 1.0.0 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate adjacent-pair-iterator 1.0.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5a4740b0de9438303167730156b3630a8609de0459b21f1f98652c84649db1c
[INFO] running `Command { std: "docker" "start" "-a" "f5a4740b0de9438303167730156b3630a8609de0459b21f1f98652c84649db1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5a4740b0de9438303167730156b3630a8609de0459b21f1f98652c84649db1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a4740b0de9438303167730156b3630a8609de0459b21f1f98652c84649db1c", kill_on_drop: false }`
[INFO] [stdout] f5a4740b0de9438303167730156b3630a8609de0459b21f1f98652c84649db1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7f4719f7fd4551181222698f395a86700366b36ae95bd85b8b9e0ec3d93eb49
[INFO] running `Command { std: "docker" "start" "-a" "a7f4719f7fd4551181222698f395a86700366b36ae95bd85b8b9e0ec3d93eb49", kill_on_drop: false }`
[INFO] [stderr]    Compiling adjacent-pair-iterator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "a7f4719f7fd4551181222698f395a86700366b36ae95bd85b8b9e0ec3d93eb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f4719f7fd4551181222698f395a86700366b36ae95bd85b8b9e0ec3d93eb49", kill_on_drop: false }`
[INFO] [stdout] a7f4719f7fd4551181222698f395a86700366b36ae95bd85b8b9e0ec3d93eb49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff041ba6695651be393bc8b34d8543f2084d1b80cf5ccb87ed31eaa487d24b0f
[INFO] running `Command { std: "docker" "start" "-a" "ff041ba6695651be393bc8b34d8543f2084d1b80cf5ccb87ed31eaa487d24b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling adjacent-pair-iterator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "ff041ba6695651be393bc8b34d8543f2084d1b80cf5ccb87ed31eaa487d24b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff041ba6695651be393bc8b34d8543f2084d1b80cf5ccb87ed31eaa487d24b0f", kill_on_drop: false }`
[INFO] [stdout] ff041ba6695651be393bc8b34d8543f2084d1b80cf5ccb87ed31eaa487d24b0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2019f9557f9a7fb3680eb35b4ce47f10efabfe0b9ea36d298be9fda25ea0eba
[INFO] running `Command { std: "docker" "start" "-a" "a2019f9557f9a7fb3680eb35b4ce47f10efabfe0b9ea36d298be9fda25ea0eba", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/adjacent_pair_iterator-cbc20f38e8333d26)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::should_debug_print ... ok
[INFO] [stdout] test tests::should_provide_many_pairs ... ok
[INFO] [stdout] test tests::should_provide_nothing_without_items ... ok
[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_update_its_size_hint ... ok
[INFO] [stdout] test tests::should_provide_pair_for_two_inputs ... ok
[INFO] [stdout] test tests::should_work_with_into_iterator ... ok
[INFO] [stdout] test tests::should_provide_two_pairs_for_three_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-ca97f284585af584)
[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 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2019f9557f9a7fb3680eb35b4ce47f10efabfe0b9ea36d298be9fda25ea0eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2019f9557f9a7fb3680eb35b4ce47f10efabfe0b9ea36d298be9fda25ea0eba", kill_on_drop: false }`
[INFO] [stdout] a2019f9557f9a7fb3680eb35b4ce47f10efabfe0b9ea36d298be9fda25ea0eba