[INFO] fetching crate dynalgo 3.1.2...
[INFO] testing dynalgo-3.1.2 against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] extracting crate dynalgo 3.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate dynalgo 3.1.2
[INFO] finished tweaking crates.io crate dynalgo 3.1.2
[INFO] tweaked toml for crates.io crate dynalgo 3.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dynalgo 3.1.2 on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d079f74dfb1ff521494d26fef64407732ab5bc20f50e10e9d98342be5cfc12d9
[INFO] running `Command { std: "docker" "start" "-a" "d079f74dfb1ff521494d26fef64407732ab5bc20f50e10e9d98342be5cfc12d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d079f74dfb1ff521494d26fef64407732ab5bc20f50e10e9d98342be5cfc12d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d079f74dfb1ff521494d26fef64407732ab5bc20f50e10e9d98342be5cfc12d9", kill_on_drop: false }`
[INFO] [stdout] d079f74dfb1ff521494d26fef64407732ab5bc20f50e10e9d98342be5cfc12d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ce72344e139318976d96832ffd6be027d017ad530976f8a52430c09a4fa957d
[INFO] running `Command { std: "docker" "start" "-a" "1ce72344e139318976d96832ffd6be027d017ad530976f8a52430c09a4fa957d", kill_on_drop: false }`
[INFO] [stderr]    Compiling dynalgo v3.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/graph.rs:475:27
[INFO] [stdout]     |
[INFO] [stdout] 475 |             .map(|(k, _)| (*k))
[INFO] [stdout]     |                           ^  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 475 -             .map(|(k, _)| (*k))
[INFO] [stdout] 475 +             .map(|(k, _)| *k)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "1ce72344e139318976d96832ffd6be027d017ad530976f8a52430c09a4fa957d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce72344e139318976d96832ffd6be027d017ad530976f8a52430c09a4fa957d", kill_on_drop: false }`
[INFO] [stdout] 1ce72344e139318976d96832ffd6be027d017ad530976f8a52430c09a4fa957d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f1308bb2bafc1c9b48e41d6ecf65c2f8422aa9cb2af87f3f68a4f08cb73662e
[INFO] running `Command { std: "docker" "start" "-a" "3f1308bb2bafc1c9b48e41d6ecf65c2f8422aa9cb2af87f3f68a4f08cb73662e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dynalgo v3.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/graph.rs:475:27
[INFO] [stdout]     |
[INFO] [stdout] 475 |             .map(|(k, _)| (*k))
[INFO] [stdout]     |                           ^  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 475 -             .map(|(k, _)| (*k))
[INFO] [stdout] 475 +             .map(|(k, _)| *k)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/graph.rs:475:27
[INFO] [stdout]     |
[INFO] [stdout] 475 |             .map(|(k, _)| (*k))
[INFO] [stdout]     |                           ^  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 475 -             .map(|(k, _)| (*k))
[INFO] [stdout] 475 +             .map(|(k, _)| *k)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "3f1308bb2bafc1c9b48e41d6ecf65c2f8422aa9cb2af87f3f68a4f08cb73662e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1308bb2bafc1c9b48e41d6ecf65c2f8422aa9cb2af87f3f68a4f08cb73662e", kill_on_drop: false }`
[INFO] [stdout] 3f1308bb2bafc1c9b48e41d6ecf65c2f8422aa9cb2af87f3f68a4f08cb73662e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4be1680083239bf2e8b47e2abe7105e480fdd1a434656715661f9f22d93a9f8c
[INFO] running `Command { std: "docker" "start" "-a" "4be1680083239bf2e8b47e2abe7105e480fdd1a434656715661f9f22d93a9f8c", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/graph.rs:475:27
[INFO] [stderr]     |
[INFO] [stderr] 475 |             .map(|(k, _)| (*k))
[INFO] [stderr]     |                           ^  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 475 -             .map(|(k, _)| (*k))
[INFO] [stderr] 475 +             .map(|(k, _)| *k)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `dynalgo` (lib) generated 1 warning (run `cargo fix --lib -p dynalgo` to apply 1 suggestion)
[INFO] [stderr] warning: `dynalgo` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dynalgo-9484a97e84b585b7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dynalgo
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/graph.rs:475:27
[INFO] [stderr]     |
[INFO] [stderr] 475 |             .map(|(k, _)| (*k))
[INFO] [stderr]     |                           ^  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 475 -             .map(|(k, _)| (*k))
[INFO] [stderr] 475 +             .map(|(k, _)| *k)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/graph.rs - graph::Graph::from_str (line 109) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::adjacency_matrix (line 416) ... ok
[INFO] [stdout] test src/graph.rs - graph::Graph::adjacency_list (line 376) ... ok
[INFO] [stdout] test src/lib.rs - (line 216) ... FAILED
[INFO] [stdout] test src/graph.rs - graph::Graph::neighbors (line 454) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 216) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (136) panicked at src/lib.rs:79:2:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c971475b4e2 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5c971475b4e2 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5c971475b4e2 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c971475b4e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c971476a8ef - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5c971476a8ef - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x5c97147396c3 - std::io::default_write_fmt::hd5a9ffaa98f14929
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5c97147396c3 - std::io::Write::write_fmt::hc04a1e5003ed78ae
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5c971473ee02 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5c971474080c - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x5c9714740666 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x5c9714740de5 - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x5c9714740c7a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x5c971473ef39 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5c971472e05d - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x5c971476dff0 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x5c971476d6a6 - core::result::unwrap_failed::h2380020e6daeb464
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x5c97146545b0 - rust_out::main::_doctest_main_src_lib_rs_216_0::h762d06ab5e83fca7
[INFO] [stdout]   18:     0x5c9714653966 - rust_out::main::h4033cd6033bd24e0
[INFO] [stdout]   19:     0x5c97146535a3 - core::ops::function::FnOnce::call_once::h41347ff1687e6b73
[INFO] [stdout]   20:     0x5c9714653546 - std::sys::backtrace::__rust_begin_short_backtrace::h3dc8794c0fbffb60
[INFO] [stdout]   21:     0x5c9714653529 - std::rt::lang_start::{{closure}}::h1efb547a500af631
[INFO] [stdout]   22:     0x5c971473a870 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3e39d917a8cc5592
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x5c971473a870 - std::panicking::catch_unwind::do_call::hc1ce44ccb31bb18e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x5c971473a870 - std::panicking::catch_unwind::ha27d9fd2a77bbb18
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x5c971473a870 - std::panic::catch_unwind::h0b0f1918d1e2eb85
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5c971473a870 - std::rt::lang_start_internal::{{closure}}::heeac2294083edcfe
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5c971473a870 - std::panicking::catch_unwind::do_call::h4bb7d51c3842c367
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x5c971473a870 - std::panicking::catch_unwind::h1d2f2878ba2618c4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x5c971473a870 - std::panic::catch_unwind::h5070bdf026bf1f78
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5c971473a870 - std::rt::lang_start_internal::h9590fa5449576090
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5c9714653511 - std::rt::lang_start::hb5dea8481070e01f
[INFO] [stdout]   32:     0x5c9714654815 - main
[INFO] [stdout]   33:     0x7edc2fb2c1ca - <unknown>
[INFO] [stdout]   34:     0x7edc2fb2c28b - __libc_start_main
[INFO] [stdout]   35:     0x5c9714653425 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 15) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (138) panicked at src/lib.rs:167:88:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63b897db8282 - std::backtrace_rs::backtrace::libunwind::trace::h786de35fecf3582f
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63b897db8282 - std::backtrace_rs::backtrace::trace_unsynchronized::h4a7da1a2a64387f1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63b897db8282 - std::sys::backtrace::_print_fmt::h6bd7d500070c788c
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x63b897db8282 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h6d82c1afff976903
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x63b897dc768f - core::fmt::rt::Argument::fmt::hc4ce6d643d397690
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x63b897dc768f - core::fmt::write::hb1e7ca88b6a3936e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x63b897d96463 - std::io::default_write_fmt::hd5a9ffaa98f14929
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x63b897d96463 - std::io::Write::write_fmt::hc04a1e5003ed78ae
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x63b897d9bba2 - std::sys::backtrace::BacktraceLock::print::ha2430613ee79d059
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x63b897d9d5ac - std::panicking::default_hook::{{closure}}::hdbd2db9e5c303cf6
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x63b897d9d406 - std::panicking::default_hook::hed93c70cba5fdcf0
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:328:9
[INFO] [stdout]   11:     0x63b897d9db85 - std::panicking::panic_with_hook::h3862d766c2cec19b
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:834:13
[INFO] [stdout]   12:     0x63b897d9da1a - std::panicking::panic_handler::{{closure}}::hb95eb402b5e28ee1
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:707:13
[INFO] [stdout]   13:     0x63b897d9bcd9 - std::sys::backtrace::__rust_end_short_backtrace::hf73a26dc1835d85a
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x63b897d8adfd - __rustc[6ed5915ee467787]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:698:5
[INFO] [stdout]   15:     0x63b897dcad30 - core::panicking::panic_fmt::h3454303eb8e6f7cd
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x63b897dca3e6 - core::result::unwrap_failed::h2380020e6daeb464
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/result.rs:1862:5
[INFO] [stdout]   17:     0x63b897d00bfa - rust_out::main::_doctest_main_src_lib_rs_15_0::hc0693aeb7509cd8d
[INFO] [stdout]   18:     0x63b897d002a6 - rust_out::main::h4033cd6033bd24e0
[INFO] [stdout]   19:     0x63b897cfff53 - core::ops::function::FnOnce::call_once::h41347ff1687e6b73
[INFO] [stdout]   20:     0x63b897cffef6 - std::sys::backtrace::__rust_begin_short_backtrace::h3dc8794c0fbffb60
[INFO] [stdout]   21:     0x63b897cffed9 - std::rt::lang_start::{{closure}}::h1efb547a500af631
[INFO] [stdout]   22:     0x63b897d97610 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3e39d917a8cc5592
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x63b897d97610 - std::panicking::catch_unwind::do_call::hc1ce44ccb31bb18e
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   24:     0x63b897d97610 - std::panicking::catch_unwind::ha27d9fd2a77bbb18
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   25:     0x63b897d97610 - std::panic::catch_unwind::h0b0f1918d1e2eb85
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x63b897d97610 - std::rt::lang_start_internal::{{closure}}::heeac2294083edcfe
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x63b897d97610 - std::panicking::catch_unwind::do_call::h4bb7d51c3842c367
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:590:40
[INFO] [stdout]   28:     0x63b897d97610 - std::panicking::catch_unwind::h1d2f2878ba2618c4
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panicking.rs:553:19
[INFO] [stdout]   29:     0x63b897d97610 - std::panic::catch_unwind::h5070bdf026bf1f78
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x63b897d97610 - std::rt::lang_start_internal::h9590fa5449576090
[INFO] [stdout]                                at /rustc/1ef7943ee607160a564655b6596f83670ef95df5/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x63b897cffec1 - std::rt::lang_start::hb5dea8481070e01f
[INFO] [stdout]   32:     0x63b897d00dd5 - main
[INFO] [stdout]   33:     0x70e5ff52d1ca - <unknown>
[INFO] [stdout]   34:     0x70e5ff52d28b - __libc_start_main
[INFO] [stdout]   35:     0x63b897cffdd5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 15)
[INFO] [stdout]     src/lib.rs - (line 216)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.92s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4be1680083239bf2e8b47e2abe7105e480fdd1a434656715661f9f22d93a9f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be1680083239bf2e8b47e2abe7105e480fdd1a434656715661f9f22d93a9f8c", kill_on_drop: false }`
[INFO] [stdout] 4be1680083239bf2e8b47e2abe7105e480fdd1a434656715661f9f22d93a9f8c
