[INFO] fetching crate chainbuf 0.1.0...
[INFO] testing chainbuf-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate chainbuf 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate chainbuf 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chainbuf 0.1.0
[INFO] finished tweaking crates.io crate chainbuf 0.1.0
[INFO] tweaked toml for crates.io crate chainbuf 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cdf026cefd151508335b2ed957c0b6cd98cdbd2ef4c548a3b35af5c6f8b18d6
[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" "4cdf026cefd151508335b2ed957c0b6cd98cdbd2ef4c548a3b35af5c6f8b18d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cdf026cefd151508335b2ed957c0b6cd98cdbd2ef4c548a3b35af5c6f8b18d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cdf026cefd151508335b2ed957c0b6cd98cdbd2ef4c548a3b35af5c6f8b18d6", kill_on_drop: false }`
[INFO] [stdout] 4cdf026cefd151508335b2ed957c0b6cd98cdbd2ef4c548a3b35af5c6f8b18d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--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] cb4415e780cdae0c4a01f660398753061642e0922f67e0667906493798c51f67
[INFO] running `Command { std: "docker" "start" "-a" "cb4415e780cdae0c4a01f660398753061642e0922f67e0667906493798c51f67", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling chainbuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "cb4415e780cdae0c4a01f660398753061642e0922f67e0667906493798c51f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4415e780cdae0c4a01f660398753061642e0922f67e0667906493798c51f67", kill_on_drop: false }`
[INFO] [stdout] cb4415e780cdae0c4a01f660398753061642e0922f67e0667906493798c51f67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] d4ccaaaf4e901025f9c480924e4d266764f3e9a3d9e36267750d3241d5e80669
[INFO] running `Command { std: "docker" "start" "-a" "d4ccaaaf4e901025f9c480924e4d266764f3e9a3d9e36267750d3241d5e80669", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling chainbuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "d4ccaaaf4e901025f9c480924e4d266764f3e9a3d9e36267750d3241d5e80669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ccaaaf4e901025f9c480924e4d266764f3e9a3d9e36267750d3241d5e80669", kill_on_drop: false }`
[INFO] [stdout] d4ccaaaf4e901025f9c480924e4d266764f3e9a3d9e36267750d3241d5e80669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 4de35e89b1d0266fef2d68505b0d5fc0644b038bf0938aa615050420a87404da
[INFO] running `Command { std: "docker" "start" "-a" "4de35e89b1d0266fef2d68505b0d5fc0644b038bf0938aa615050420a87404da", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chainbuf-acda587e9a17d3ee)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-3d0cb5431ed57806)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test integration_test::test_append_file::test_append_flie ... ok
[INFO] [stderr]      Running tests/unit.rs (/opt/rustwide/target/debug/deps/unit-43c84b0faf7e53aa)
[INFO] [stdout] test integration_test::test_writev::test_write_to_fd_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test unit_test::test_append_bytes_changes_length ... ok
[INFO] [stdout] test unit_test::test_append_copies_data ... ok
[INFO] [stdout] test unit_test::test_appended_slice_can_be_pulled ... ok
[INFO] [stdout] test unit_test::test_chains_with_different_content_are_not_equal ... ok
[INFO] [stdout] test unit_test::test_copy_bytes_from_returns_empty_vec_from_empty_chain ... ok
[INFO] [stdout] test unit_test::test_copy_bytes_returns_less_than_requested_if_chain_does_not_have_data ... ok
[INFO] [stdout] test unit_test::test_drain_changes_chain_length ... ok
[INFO] [stdout] test unit_test::test_append_slice_changes_length ... ok
[INFO] [stdout] test unit_test::test_move_from_moves_data ... ok
[INFO] [stdout] test unit_test::test_pullup_does_not_change_length ... ok
[INFO] [stdout] test unit_test::test_move_from_move_on_node_edge ... ok
[INFO] [stdout] test unit_test::test_pullup_from_returns_none_on_empty_chain ... ok
[INFO] [stdout] test unit_test::test_pullup_returns_none_on_empty_chain ... ok
[INFO] [stdout] test unit_test::test_pullup_returns_none_when_too_much_data_requested ... ok
[INFO] [stdout] test unit_test::test_prepend_bytes_changes_length ... ok
[INFO] [stdout] test unit_test::test_pullup_to_returns_none_if_nothing_found ... ok
[INFO] [stdout] test unit_test::test_pullup_returns_what_has_been_appended ... ok
[INFO] [stdout] test unit_test::test_pullup_to_returns_correct_sequence ... ok
[INFO] [stdout] test unit_test::test_pullup_to_returns_none_on_empty_chain ... ok
[INFO] [stdout] test unit_test::test_reserve_returns_free_buffer ... ok
[INFO] [stdout] test unit_test::test_reset_empties_chain ... ok
[INFO] [stdout] test unit_test::test_pullup_from_returns_data_from_correct_offset ... ok
[INFO] [stdout] test unit_test::test_move_from_returns_number_of_bytes_moved ... ok
[INFO] [stdout] test unit_test::test_concat_appends_content ... ok
[INFO] [stdout] test unit_test::test_reserve_returns_buffer_of_requested_size ... ok
[INFO] [stdout] test unit_test::test_to_utf8_returns_correct_string ... ok
[INFO] [stdout] test unit_test::test_concat_increase_dst_length ... ok
[INFO] [stdout] test unit_test::test_pullup_all_returns_all_data ... ok
[INFO] [stdout] test unit_test::test_copy_bytes_from_returns_copies_bytes ... ok
[INFO] [stdout] test unit_test::test_find_returns_correct_offset ... ok
[INFO] [stdout] test unit_test::test_find_returns_none_if_not_found ... ok
[INFO] [stdout] test unit_test::test_pullup_works_on_large_sequences ... ok
[INFO] [stdout] test unit_test::test_reserve_and_written_modifies_chain ... ok
[INFO] [stdout] test unit_test::test_find_returns_none_on_empty_chain ... ok
[INFO] [stdout] test unit_test::test_find_returns_zero_on_empty_needle ... ok
[INFO] [stdout] test unit_test::test_to_utf8_str_returns_none_on_non_utf8 ... ok
[INFO] [stdout] test unit_test::test_from_foreign_moves_all_data ... ok
[INFO] [stdout] test unit_test::test_chains_with_same_content_are_equal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chainbuf
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::append_file (line 798) ... ignored
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain (line 95) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::pullup_all (line 392) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::find (line 643) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::drain (line 609) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::append (line 462) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::concat (line 425) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::new (line 128) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::append_bytes (line 172) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::move_from (line 480) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::pullup (line 250) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::copy_bytes_from (line 691) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::pullup_from (line 319) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::append_slice (line 231) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::len (line 157) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::from_foreign (line 141) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::move_all_from (line 533) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::pullup_to (line 374) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::reserve (line 556) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::written (line 583) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::reset (line 442) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::write_to_fd (line 733) ... ok
[INFO] [stdout] test src/chainbuf.rs - chainbuf::Chain::to_utf8_str (line 407) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 5.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4de35e89b1d0266fef2d68505b0d5fc0644b038bf0938aa615050420a87404da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de35e89b1d0266fef2d68505b0d5fc0644b038bf0938aa615050420a87404da", kill_on_drop: false }`
[INFO] [stdout] 4de35e89b1d0266fef2d68505b0d5fc0644b038bf0938aa615050420a87404da