[INFO] cloning repository https://github.com/tochiji/ac_viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tochiji/ac_viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftochiji%2Fac_viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftochiji%2Fac_viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7204d4f0a7d60bd396386a2995c1f267f103be47
[INFO] testing tochiji/ac_viewer against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftochiji%2Fac_viewer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tochiji/ac_viewer
[INFO] finished tweaking git repo https://github.com/tochiji/ac_viewer
[INFO] tweaked toml for git repo https://github.com/tochiji/ac_viewer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tochiji/ac_viewer on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tochiji/ac_viewer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.6.0
[INFO] [stderr]   Downloaded quote v1.0.10
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[INFO] [stderr]   Downloaded cssparser-macros v0.6.0
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[INFO] [stderr]   Downloaded core-foundation v0.9.2
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[INFO] [stderr]   Downloaded console v0.15.0
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[INFO] [stderr]   Downloaded grep-cli v0.1.6
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[INFO] [stderr]   Downloaded tendril v0.4.2
[INFO] [stderr]   Downloaded serde_yaml v0.8.23
[INFO] [stderr]   Downloaded markup5ever v0.10.1
[INFO] [stderr]   Downloaded requestty-ui v0.2.1
[INFO] [stderr]   Downloaded xml-rs v0.8.4
[INFO] [stderr]   Downloaded time v0.3.5
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded crossterm v0.22.1
[INFO] [stderr]   Downloaded html5ever v0.25.1
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded http v0.2.5
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded hyper v0.14.15
[INFO] [stderr]   Downloaded futures-util v0.3.18
[INFO] [stderr]   Downloaded serde_json v1.0.75
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded h2 v0.3.7
[INFO] [stderr]   Downloaded openssl v0.10.38
[INFO] [stderr]   Downloaded clap v3.0.7
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[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded tokio v1.14.0
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] [stderr]   Downloaded onig_sys v69.7.1
[INFO] [stderr]   Downloaded syntect v4.6.0
[INFO] [stderr]   Downloaded libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]   Downloaded bat v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae94abe4d919d8a6c2cf3d82029237717a9f5c8b5dbd29ccaae550b3a118d2b9
[INFO] running `Command { std: "docker" "start" "-a" "ae94abe4d919d8a6c2cf3d82029237717a9f5c8b5dbd29ccaae550b3a118d2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae94abe4d919d8a6c2cf3d82029237717a9f5c8b5dbd29ccaae550b3a118d2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae94abe4d919d8a6c2cf3d82029237717a9f5c8b5dbd29ccaae550b3a118d2b9", kill_on_drop: false }`
[INFO] [stdout] ae94abe4d919d8a6c2cf3d82029237717a9f5c8b5dbd29ccaae550b3a118d2b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16a1ac388b4eb018037321c3db39bea79a97ae649436feb59e5d1244e15e54b5
[INFO] running `Command { std: "docker" "start" "-a" "16a1ac388b4eb018037321c3db39bea79a97ae649436feb59e5d1244e15e54b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
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[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling byteorder v1.4.3
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[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling futures-sink v0.3.18
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[INFO] [stderr]    Compiling line-wrap v0.1.1
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[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling yaml-rust v0.4.5
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[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
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[INFO] [stderr]    Compiling time v0.3.5
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling thin-slice v0.1.1
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[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling cssparser v0.27.2
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[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.25.1
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[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
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[INFO] [stderr]    Compiling tokio-util v0.6.9
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[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling h2 v0.3.7
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling requestty-ui v0.2.1
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[INFO] [stderr]    Compiling grep-cli v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling content_inspector v0.2.4
[INFO] [stderr]    Compiling wild v2.0.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling requestty v0.2.1
[INFO] [stderr]    Compiling clap v3.0.7
[INFO] [stderr]    Compiling string_cache v0.8.2
[INFO] [stderr]    Compiling plist v1.3.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling clircle v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.15
[INFO] [stderr]    Compiling kuchiki v0.8.1
[INFO] [stderr]    Compiling easy-scraper v0.2.0
[INFO] [stderr]    Compiling onig v6.3.1
[INFO] [stderr]    Compiling syntect v4.6.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling git2 v0.13.25
[INFO] [stderr]    Compiling ac_viewer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "16a1ac388b4eb018037321c3db39bea79a97ae649436feb59e5d1244e15e54b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a1ac388b4eb018037321c3db39bea79a97ae649436feb59e5d1244e15e54b5", kill_on_drop: false }`
[INFO] [stdout] 16a1ac388b4eb018037321c3db39bea79a97ae649436feb59e5d1244e15e54b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42760d8b98a82ab893dadc67fe696693612f9325082a1381a573a9fa2c03e85c
[INFO] running `Command { std: "docker" "start" "-a" "42760d8b98a82ab893dadc67fe696693612f9325082a1381a573a9fa2c03e85c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ac_viewer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "42760d8b98a82ab893dadc67fe696693612f9325082a1381a573a9fa2c03e85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42760d8b98a82ab893dadc67fe696693612f9325082a1381a573a9fa2c03e85c", kill_on_drop: false }`
[INFO] [stdout] 42760d8b98a82ab893dadc67fe696693612f9325082a1381a573a9fa2c03e85c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04450898f53860b87f5a2d1e556083838d07acd68e63ac053f48403efc259650
[INFO] running `Command { std: "docker" "start" "-a" "04450898f53860b87f5a2d1e556083838d07acd68e63ac053f48403efc259650", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ac_viewer-c855d50340b41618)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test problem::test::it_works_get_submission_title ... ok
[INFO] [stdout] test problem::test::it_works_get_next_list ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- problem::test::it_works_get_next_list stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'problem::test::it_works_get_next_list' (18) panicked at src/problem.rs:130:33:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: hyper::Error(Connect, ConnectError("dns error", Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" }))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x618ab63e524a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x618ab63e524a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x618ab63e524a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x618ab63e524a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x618ab63fb28a - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x618ab63fb28a - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x618ab63ea192 - std[29689e6404d28ef9]::io::default_write_fmt::<alloc[9d7caffeb3b5d2c6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x618ab63ea192 - <alloc[9d7caffeb3b5d2c6]::vec::Vec<u8> as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x618ab63c34ff - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x618ab63c34ff - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x618ab63dd189 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x618ab5f995ac - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x618ab5f995ac - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x618ab63dd402 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x618ab63dd402 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x618ab63c35b8 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x618ab63b8509 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x618ab63c452d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x618ab63fba4c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x618ab63fb7c2 - core[e929cb53b82a81ca]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x618ab5f23468 - <core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::error::Error>>>::unwrap
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x618ab5f23468 - ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/problem.rs:130:33
[INFO] [stdout]   22:     0x618ab5ea839d - <core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}> as core[e929cb53b82a81ca]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/future/future.rs:133:9
[INFO] [stdout]   23:     0x618ab5f4764d - <tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/runtime/basic_scheduler.rs:240:78
[INFO] [stdout]   24:     0x618ab5f86a00 - tokio[28a3a70602c10338]::coop::with_budget::<core[e929cb53b82a81ca]::task::poll::Poll<()>, <tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>::{closure#0}::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/coop.rs:106:9
[INFO] [stdout]   25:     0x618ab5e891b5 - <std[29689e6404d28ef9]::thread::local::LocalKey<core[e929cb53b82a81ca]::cell::Cell<tokio[28a3a70602c10338]::coop::Budget>>>::try_with::<tokio[28a3a70602c10338]::coop::with_budget<core[e929cb53b82a81ca]::task::poll::Poll<()>, <tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>::{closure#0}::{closure#0}>::{closure#0}, core[e929cb53b82a81ca]::task::poll::Poll<()>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/local.rs:462:12
[INFO] [stdout]   26:     0x618ab5e88e5e - <std[29689e6404d28ef9]::thread::local::LocalKey<core[e929cb53b82a81ca]::cell::Cell<tokio[28a3a70602c10338]::coop::Budget>>>::with::<tokio[28a3a70602c10338]::coop::with_budget<core[e929cb53b82a81ca]::task::poll::Poll<()>, <tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>::{closure#0}::{closure#0}>::{closure#0}, core[e929cb53b82a81ca]::task::poll::Poll<()>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/local.rs:426:20
[INFO] [stdout]   27:     0x618ab5f46c53 - tokio[28a3a70602c10338]::coop::with_budget::<core[e929cb53b82a81ca]::task::poll::Poll<()>, <tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/coop.rs:99:13
[INFO] [stdout]   28:     0x618ab5f46c53 - tokio[28a3a70602c10338]::coop::budget::<core[e929cb53b82a81ca]::task::poll::Poll<()>, <tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/coop.rs:76:5
[INFO] [stdout]   29:     0x618ab5f46c53 - <tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/runtime/basic_scheduler.rs:240:39
[INFO] [stdout]   30:     0x618ab5f475ba - tokio[28a3a70602c10338]::runtime::basic_scheduler::enter::<<tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>::{closure#0}, (), tokio[28a3a70602c10338]::runtime::driver::Driver>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/runtime/basic_scheduler.rs:349:29
[INFO] [stdout]   31:     0x618ab5f32665 - <tokio[28a3a70602c10338]::macros::scoped_tls::ScopedKey<tokio[28a3a70602c10338]::runtime::basic_scheduler::Context>>::set::<tokio[28a3a70602c10338]::runtime::basic_scheduler::enter<<tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>::{closure#0}, (), tokio[28a3a70602c10338]::runtime::driver::Driver>::{closure#0}, ()>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/macros/scoped_tls.rs:61:9
[INFO] [stdout]   32:     0x618ab5f45a56 - tokio[28a3a70602c10338]::runtime::basic_scheduler::enter::<<tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>::{closure#0}, (), tokio[28a3a70602c10338]::runtime::driver::Driver>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/runtime/basic_scheduler.rs:349:13
[INFO] [stdout]   33:     0x618ab5f41bd3 - <tokio[28a3a70602c10338]::runtime::basic_scheduler::Inner<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/runtime/basic_scheduler.rs:230:9
[INFO] [stdout]   34:     0x618ab5f44fa3 - <tokio[28a3a70602c10338]::runtime::basic_scheduler::InnerGuard<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on::<core[e929cb53b82a81ca]::pin::Pin<&mut ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/runtime/basic_scheduler.rs:501:38
[INFO] [stdout]   35:     0x618ab5f450fa - <tokio[28a3a70602c10338]::runtime::basic_scheduler::BasicScheduler<tokio[28a3a70602c10338]::runtime::driver::Driver>>::block_on::<ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/runtime/basic_scheduler.rs:186:30
[INFO] [stdout]   36:     0x618ab5ed4ae1 - <tokio[28a3a70602c10338]::runtime::Runtime>::block_on::<ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.14.0/src/runtime/mod.rs:461:51
[INFO] [stdout]   37:     0x618ab5f2fc3d - ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list
[INFO] [stdout]                                at /opt/rustwide/workdir/src/problem.rs:138:35
[INFO] [stdout]   38:     0x618ab5f23067 - ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/problem.rs:126:38
[INFO] [stdout]   39:     0x618ab5f41686 - <ac_viewer[9d77538f76cc5338]::problem::test::it_works_get_next_list::{closure#0} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x618ab5f8c88b - <fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x618ab5f8c88b - test[a24b3028667022f7]::__rust_begin_short_backtrace::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   42:     0x618ab5f9a07b - test[a24b3028667022f7]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]   43:     0x618ab5f9a07b - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   44:     0x618ab5f9a07b - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   45:     0x618ab5f9a07b - std[29689e6404d28ef9]::panicking::catch_unwind::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   46:     0x618ab5f9a07b - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   47:     0x618ab5f9a07b - test[a24b3028667022f7]::run_test_in_process
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]   48:     0x618ab5f9a07b - test[a24b3028667022f7]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   49:     0x618ab5f93794 - test[a24b3028667022f7]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]   50:     0x618ab5f93794 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<test[a24b3028667022f7]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   51:     0x618ab5f9cc82 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   52:     0x618ab5f9cc82 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   53:     0x618ab5f9cc82 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   54:     0x618ab5f9cc82 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   55:     0x618ab5f9cc82 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   56:     0x618ab5f9cc82 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   57:     0x618ab5f9cc82 - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   58:     0x618ab63e495f - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   59:     0x618ab63e495f - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   60:     0x72ae404e8aa4 - <unknown>
[INFO] [stdout]   61:     0x72ae40575a64 - clone
[INFO] [stdout]   62:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     problem::test::it_works_get_next_list
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "04450898f53860b87f5a2d1e556083838d07acd68e63ac053f48403efc259650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04450898f53860b87f5a2d1e556083838d07acd68e63ac053f48403efc259650", kill_on_drop: false }`
[INFO] [stdout] 04450898f53860b87f5a2d1e556083838d07acd68e63ac053f48403efc259650
