[INFO] fetching crate utf8-io 0.6.0...
[INFO] testing utf8-io-0.6.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate utf8-io 0.6.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate utf8-io 0.6.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utf8-io 0.6.0
[INFO] finished tweaking crates.io crate utf8-io 0.6.0
[INFO] tweaked toml for crates.io crate utf8-io 0.6.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate crates.io crate utf8-io 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cd56e26927a3246585dcd3b841a7e1484d69df95cee8de3c319c437a476c376
[INFO] running `Command { std: "docker" "start" "-a" "8cd56e26927a3246585dcd3b841a7e1484d69df95cee8de3c319c437a476c376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cd56e26927a3246585dcd3b841a7e1484d69df95cee8de3c319c437a476c376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd56e26927a3246585dcd3b841a7e1484d69df95cee8de3c319c437a476c376", kill_on_drop: false }`
[INFO] [stdout] 8cd56e26927a3246585dcd3b841a7e1484d69df95cee8de3c319c437a476c376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad51bd4955eeaa74e810c3e16f68d3b5f34361daba6af514223b7f3c57497ced
[INFO] running `Command { std: "docker" "start" "-a" "ad51bd4955eeaa74e810c3e16f68d3b5f34361daba6af514223b7f3c57497ced", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling duplex v0.6.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stderr]    Compiling io-lifetimes v0.2.3
[INFO] [stderr]    Compiling unsafe-io v0.8.2
[INFO] [stderr]    Compiling utf8-io v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "ad51bd4955eeaa74e810c3e16f68d3b5f34361daba6af514223b7f3c57497ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad51bd4955eeaa74e810c3e16f68d3b5f34361daba6af514223b7f3c57497ced", kill_on_drop: false }`
[INFO] [stdout] ad51bd4955eeaa74e810c3e16f68d3b5f34361daba6af514223b7f3c57497ced
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcdd78b51dc48ef748808cce4d89a5d9529b47c1230e9a17244713dd3c77e789
[INFO] running `Command { std: "docker" "start" "-a" "fcdd78b51dc48ef748808cce4d89a5d9529b47c1230e9a17244713dd3c77e789", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling layered-io v0.7.0
[INFO] [stderr]    Compiling utf8-io v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "fcdd78b51dc48ef748808cce4d89a5d9529b47c1230e9a17244713dd3c77e789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdd78b51dc48ef748808cce4d89a5d9529b47c1230e9a17244713dd3c77e789", kill_on_drop: false }`
[INFO] [stdout] fcdd78b51dc48ef748808cce4d89a5d9529b47c1230e9a17244713dd3c77e789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3414fc95ae77061dd48b2a1450b95d8602a09719a70697831b30104023b5e68f
[INFO] running `Command { std: "docker" "start" "-a" "3414fc95ae77061dd48b2a1450b95d8602a09719a70697831b30104023b5e68f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/utf8_io-761c7741a0469d50)
[INFO] [stdout] 
[INFO] [stdout] running 67 tests
[INFO] [stdout] test utf8_reader::test_after_six_byte ... ok
[INFO] [stdout] test utf8_reader::test_after_valid_four_byte ... ok
[INFO] [stdout] test utf8_reader::test_after_five_byte ... ok
[INFO] [stdout] test utf8_reader::test_after_valid_two_byte ... ok
[INFO] [stdout] test copy::test_copy_str ... ok
[INFO] [stdout] test utf8_reader::test_after_valid_three_byte ... ok
[INFO] [stdout] test utf8_reader::test_cesu_8_surrogate_pair_as_two_four_byte_overlongs ... ok
[INFO] [stdout] test utf8_reader::test_cesu_8_surrogate_pair ... ok
[INFO] [stdout] test utf8_reader::test_embedded_invalid_byte ... ok
[INFO] [stdout] test utf8_reader::test_empty_string ... ok
[INFO] [stdout] test utf8_reader::test_fe_and_trail ... ok
[INFO] [stdout] test utf8_reader::test_fe ... ok
[INFO] [stdout] test utf8_reader::test_ff ... ok
[INFO] [stdout] test utf8_reader::test_ff_and_trail ... ok
[INFO] [stdout] test utf8_reader::test_first_surrogate_as_four_byte_sequence ... ok
[INFO] [stdout] test utf8_reader::test_five ... ok
[INFO] [stdout] test utf8_reader::test_first_surrogate ... ok
[INFO] [stdout] test utf8_reader::test_five_byte_sequence_highest_single_byte ... ok
[INFO] [stdout] test utf8_reader::test_five_byte_sequence ... ok
[INFO] [stdout] test utf8_reader::test_five_byte_sequence_highest_two_byte ... ok
[INFO] [stdout] test utf8_reader::test_five_byte_sequence_highest_three_byte ... ok
[INFO] [stdout] test utf8_reader::test_five_byte_sequence_lowest_four_byte ... ok
[INFO] [stdout] test utf8_reader::test_five_byte_sequence_lowest_three_byte ... ok
[INFO] [stdout] test utf8_reader::test_five_byte_sequence_lowest_single_byte ... ok
[INFO] [stdout] test utf8_reader::test_five_byte_sequence_lowest_two_byte ... ok
[INFO] [stdout] test utf8_reader::test_four ... ok
[INFO] [stdout] test utf8_reader::test_four_byte_lead ... ok
[INFO] [stdout] test utf8_reader::test_four_byte_lead_and_one_trail ... ok
[INFO] [stdout] test utf8_reader::test_four_byte_lead_and_two_trails ... ok
[INFO] [stdout] test utf8_reader::test_four_byte_sequence_highest_single_byte ... ok
[INFO] [stdout] test utf8_reader::test_four_byte_sequence_highest_three_byte ... ok
[INFO] [stdout] test utf8_reader::test_four_byte_sequence_highest_two_byte ... ok
[INFO] [stdout] test utf8_reader::test_four_byte_sequence_lowest_single_byte ... ok
[INFO] [stdout] test utf8_reader::test_four_byte_sequence_lowest_three_byte ... ok
[INFO] [stdout] test utf8_reader::test_four_byte_sequence_lowest_two_byte ... ok
[INFO] [stdout] test utf8_reader::test_hello_world ... ok
[INFO] [stdout] test utf8_reader::test_invalid_bytes ... ok
[INFO] [stdout] test utf8_reader::test_last_surrogate ... ok
[INFO] [stdout] test utf8_reader::test_longest_six_byte_sequence ... ok
[INFO] [stdout] test utf8_reader::test_longest_five_byte_sequence ... ok
[INFO] [stdout] test utf8_reader::test_last_surrogate_as_four_byte_sequence ... ok
[INFO] [stdout] test utf8_reader::test_one ... ok
[INFO] [stdout] test utf8_reader::test_one_past_unicode ... ok
[INFO] [stdout] test utf8_reader::test_one_past_unicode_as_six_byte_sequence ... ok
[INFO] [stdout] test utf8_reader::test_one_past_unicode_as_five_byte_sequence ... ok
[INFO] [stdout] test utf8_reader::test_seven ... ok
[INFO] [stdout] test utf8_reader::test_six ... ok
[INFO] [stdout] test utf8_reader::test_six_byte_sequence ... ok
[INFO] [stdout] test utf8_reader::test_six_byte_sequence_highest_single_byte ... ok
[INFO] [stdout] test utf8_reader::test_six_byte_sequence_highest_three_byte ... ok
[INFO] [stdout] test utf8_reader::test_six_byte_sequence_highest_two_byte ... ok
[INFO] [stdout] test utf8_reader::test_six_byte_sequence_lowest_single_byte ... ok
[INFO] [stdout] test utf8_reader::test_six_byte_sequence_lowest_four_byte ... ok
[INFO] [stdout] test utf8_reader::test_six_byte_sequence_lowest_three_byte ... ok
[INFO] [stdout] test utf8_reader::test_six_byte_sequence_lowest_two_byte ... ok
[INFO] [stdout] test utf8_reader::test_some_ascii_printable ... ok
[INFO] [stdout] test utf8_reader::test_three ... ok
[INFO] [stdout] test utf8_reader::test_three_byte_lead ... ok
[INFO] [stdout] test utf8_reader::test_three_byte_lead_and_one_trail ... ok
[INFO] [stdout] test utf8_reader::test_three_byte_sequence_highest_two_byte ... ok
[INFO] [stdout] test utf8_reader::test_three_byte_sequence_highest_single_byte ... ok
[INFO] [stdout] test utf8_reader::test_three_byte_sequence_lowest_two_byte ... ok
[INFO] [stdout] test utf8_reader::test_three_byte_sequence_lowest_single_byte ... ok
[INFO] [stdout] test utf8_reader::test_two ... ok
[INFO] [stdout] test utf8_reader::test_two_byte_lead ... ok
[INFO] [stdout] test utf8_reader::test_two_byte_sequence_highest_single_byte ... ok
[INFO] [stdout] test utf8_reader::test_two_byte_sequence_lowest_single_byte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 67 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/incomplete.rs (/opt/rustwide/target/debug/deps/incomplete-76b0e5a361bf9cb9)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test complete_c ... ok
[INFO] [stdout] test complete_d ... ok
[INFO] [stdout] test complete_e ... ok
[INFO] [stdout] test complete_f ... ok
[INFO] [stdout] test incomplete_c ... ok
[INFO] [stdout] test incomplete_d ... ok
[INFO] [stdout] test incomplete_e ... ok
[INFO] [stdout] test incomplete_f ... ok
[INFO] [stdout] test not_yet_complete_e ... ok
[INFO] [stdout] test not_yet_complete_f ... ok
[INFO] [stdout] test still_not_yet_complete_f ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests utf8-io
[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" "3414fc95ae77061dd48b2a1450b95d8602a09719a70697831b30104023b5e68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3414fc95ae77061dd48b2a1450b95d8602a09719a70697831b30104023b5e68f", kill_on_drop: false }`
[INFO] [stdout] 3414fc95ae77061dd48b2a1450b95d8602a09719a70697831b30104023b5e68f