[INFO] fetching crate dot4ch 2.1.1...
[INFO] testing dot4ch-2.1.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate dot4ch 2.1.1 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate dot4ch 2.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dot4ch 2.1.1
[INFO] finished tweaking crates.io crate dot4ch 2.1.1
[INFO] tweaked toml for crates.io crate dot4ch 2.1.1 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate crates.io crate dot4ch 2.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2599f664c595a202297051d3187c886154c50582319f6eb89ae60fec8ed678da
[INFO] running `Command { std: "docker" "start" "-a" "2599f664c595a202297051d3187c886154c50582319f6eb89ae60fec8ed678da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2599f664c595a202297051d3187c886154c50582319f6eb89ae60fec8ed678da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2599f664c595a202297051d3187c886154c50582319f6eb89ae60fec8ed678da", kill_on_drop: false }`
[INFO] [stdout] 2599f664c595a202297051d3187c886154c50582319f6eb89ae60fec8ed678da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 134953d1507fec2a0b21b05be95f68e7c6c89bf8cb10b149fb5e4660ce8ef24c
[INFO] running `Command { std: "docker" "start" "-a" "134953d1507fec2a0b21b05be95f68e7c6c89bf8cb10b149fb5e4660ce8ef24c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling hyper v0.14.7
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.3
[INFO] [stderr]    Compiling dot4ch v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.43s
[INFO] running `Command { std: "docker" "inspect" "134953d1507fec2a0b21b05be95f68e7c6c89bf8cb10b149fb5e4660ce8ef24c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "134953d1507fec2a0b21b05be95f68e7c6c89bf8cb10b149fb5e4660ce8ef24c", kill_on_drop: false }`
[INFO] [stdout] 134953d1507fec2a0b21b05be95f68e7c6c89bf8cb10b149fb5e4660ce8ef24c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d5cdd06df1f9d6aa12a6a619a26a02f68c5d7fadc070ecc19bb2d1fab979081
[INFO] running `Command { std: "docker" "start" "-a" "4d5cdd06df1f9d6aa12a6a619a26a02f68c5d7fadc070ecc19bb2d1fab979081", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling simple_logger v1.11.0
[INFO] [stderr]    Compiling dot4ch v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "4d5cdd06df1f9d6aa12a6a619a26a02f68c5d7fadc070ecc19bb2d1fab979081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d5cdd06df1f9d6aa12a6a619a26a02f68c5d7fadc070ecc19bb2d1fab979081", kill_on_drop: false }`
[INFO] [stdout] 4d5cdd06df1f9d6aa12a6a619a26a02f68c5d7fadc070ecc19bb2d1fab979081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 255424b2676bdd3e2592ed808dc82fcfbf28f5e2eed33d82bc82eea83fd9ea12
[INFO] running `Command { std: "docker" "start" "-a" "255424b2676bdd3e2592ed808dc82fcfbf28f5e2eed33d82bc82eea83fd9ea12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dot4ch-af34d18c1ddba814)
[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] [stderr]    Doc-tests dot4ch
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/board.rs - board (line 14) ... ok
[INFO] [stdout] test src/lib.rs - Update (line 232) ... ok
[INFO] [stdout] test src/threadlist.rs - threadlist::Catalog (line 36) ... ok
[INFO] [stdout] test src/lib.rs - Update (line 214) ... ok
[INFO] [stdout] test src/post.rs - post (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 18) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: error sending request for url (https://a.4cdn.org/g/thread/76759434.json): error trying to connect: dns error: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]     0: error trying to connect: dns error: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout]     1: dns error: failed to lookup address information: Temporary failure in name resolution
[INFO] [stdout]     2: failed to lookup address information: Temporary failure in name resolution', src/lib.rs:17:61
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55758543e070 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55758543e070 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55758543e070 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55758543e070 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55758545de9c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x557585439125 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x55758544001b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55758544001b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55758544001b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55758543faf1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x5575854406e4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5575854401c7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55758543e56c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x557585440129 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x557584fee781 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x557584fee873 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x557584ff09cb - core::result::Result<T,E>::unwrap::h75ec2a4e7020481e
[INFO] [stdout]   17:     0x557584ff66ee - rust_out::main::{{closure}}::hef356a8cbff5ddbe
[INFO] [stdout]   18:     0x557584ff607c - <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll::h22573f66b5195fe6
[INFO] [stdout]   19:     0x557584ff259c - tokio::park::thread::CachedParkThread::block_on::{{closure}}::hcd292c29f9a02919
[INFO] [stdout]   20:     0x557584ff1933 - tokio::coop::with_budget::{{closure}}::ha5cbb372817d5b9a
[INFO] [stdout]   21:     0x557584fef6a6 - std::thread::local::LocalKey<T>::try_with::h6d1238f9dd0f56ef
[INFO] [stdout]   22:     0x557584fef208 - std::thread::local::LocalKey<T>::with::h3fe855427616aafc
[INFO] [stdout]   23:     0x557584ff1ff5 - tokio::park::thread::CachedParkThread::block_on::h03c4d24d3de52747
[INFO] [stdout]   24:     0x557584ff3ef6 - tokio::runtime::enter::Enter::block_on::h454f3882e1c37b36
[INFO] [stdout]   25:     0x557584ff276b - tokio::runtime::thread_pool::ThreadPool::block_on::h966242564835a57f
[INFO] [stdout]   26:     0x557584ff40dd - tokio::runtime::Runtime::block_on::h79ccb5fcd40b3eea
[INFO] [stdout]   27:     0x557584ff63db - rust_out::main::h2a38bb51b9580a7d
[INFO] [stdout]   28:     0x557584fefa93 - core::ops::function::FnOnce::call_once::hb73b95e6982fd3f0
[INFO] [stdout]   29:     0x557584fef149 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8371d112165838d3
[INFO] [stdout]   30:     0x557584fef1b9 - std::rt::lang_start::{{closure}}::h783adf50233ec5ec
[INFO] [stdout]   31:     0x557585440ce9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stdout]   32:     0x557585440ce9 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   33:     0x557585440ce9 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   34:     0x557585440ce9 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   35:     0x557585440ce9 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stdout]   36:     0x557584fef1a1 - std::rt::lang_start::h11b9716471e37ff8
[INFO] [stdout]   37:     0x557584ff68a3 - main
[INFO] [stdout]   38:     0x7efc974f20b3 - __libc_start_main
[INFO] [stdout]   39:     0x557584feef7e - _start
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.59s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "255424b2676bdd3e2592ed808dc82fcfbf28f5e2eed33d82bc82eea83fd9ea12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255424b2676bdd3e2592ed808dc82fcfbf28f5e2eed33d82bc82eea83fd9ea12", kill_on_drop: false }`
[INFO] [stdout] 255424b2676bdd3e2592ed808dc82fcfbf28f5e2eed33d82bc82eea83fd9ea12
