[INFO] fetching crate plt 0.4.1...
[INFO] testing plt-0.4.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate plt 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate plt 0.4.1
[INFO] finished tweaking crates.io crate plt 0.4.1
[INFO] tweaked toml for crates.io crate plt 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plt 0.4.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate plt 0.4.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.52
[INFO] [stderr]   Downloaded cairo-sys-rs v0.16.3
[INFO] [stderr]   Downloaded plt-draw v0.4.0
[INFO] [stderr]   Downloaded system-deps v6.0.3
[INFO] [stderr]   Downloaded gobject-sys v0.16.3
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded proc-macro-crate v1.2.1
[INFO] [stderr]   Downloaded cfg-expr v0.11.0
[INFO] [stderr]   Downloaded glib-macros v0.16.3
[INFO] [stderr]   Downloaded dyn-clone v1.0.9
[INFO] [stderr]   Downloaded cairo-rs v0.16.3
[INFO] [stderr]   Downloaded glib-sys v0.16.3
[INFO] [stderr]   Downloaded gio-sys v0.16.3
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded glib v0.16.3
[INFO] [stderr]   Downloaded ndarray v0.15.4
[INFO] [stderr]   Downloaded plt-cairo v0.1.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef9a4fb6a403d3e4d331da4c21b58a342ebe0b568d18023f7198f9406bad938b
[INFO] running `Command { std: "docker" "start" "-a" "ef9a4fb6a403d3e4d331da4c21b58a342ebe0b568d18023f7198f9406bad938b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef9a4fb6a403d3e4d331da4c21b58a342ebe0b568d18023f7198f9406bad938b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9a4fb6a403d3e4d331da4c21b58a342ebe0b568d18023f7198f9406bad938b", kill_on_drop: false }`
[INFO] [stdout] ef9a4fb6a403d3e4d331da4c21b58a342ebe0b568d18023f7198f9406bad938b
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 128db85c78e1d7dc6ac88db505454711c4f441d661202d05d6f00cd573fdb8a2
[INFO] running `Command { std: "docker" "start" "-a" "128db85c78e1d7dc6ac88db505454711c4f441d661202d05d6f00cd573fdb8a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling dyn-clone v1.0.9
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling system-deps v6.0.3
[INFO] [stderr]    Compiling glib-sys v0.16.3
[INFO] [stderr]    Compiling gobject-sys v0.16.3
[INFO] [stderr]    Compiling gio-sys v0.16.3
[INFO] [stderr]    Compiling cairo-sys-rs v0.16.3
[INFO] [stderr]    Compiling proc-macro-crate v1.2.1
[INFO] [stderr]    Compiling plt-draw v0.4.0
[INFO] [stderr]    Compiling glib-macros v0.16.3
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling glib v0.16.3
[INFO] [stderr]    Compiling cairo-rs v0.16.3
[INFO] [stderr]    Compiling plt-cairo v0.1.0
[INFO] [stderr]    Compiling plt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SubplotList` is never constructed
[INFO] [stdout]    --> src/figure.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct SubplotList<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/figure.rs:122:26
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn subplots<'b>(&'b mut self) -> &mut Vec<Subplot<'a>>
[INFO] [stdout]     |                          ^^              --------------------- the same lifetime is elided here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn subplots<'b>(&'b mut self) -> &'b mut Vec<Subplot<'a>>
[INFO] [stdout]     |                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.34s
[INFO] running `Command { std: "docker" "inspect" "128db85c78e1d7dc6ac88db505454711c4f441d661202d05d6f00cd573fdb8a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128db85c78e1d7dc6ac88db505454711c4f441d661202d05d6f00cd573fdb8a2", kill_on_drop: false }`
[INFO] [stdout] 128db85c78e1d7dc6ac88db505454711c4f441d661202d05d6f00cd573fdb8a2
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e993d734b40a0e34a978ae1eeb9580cbf480adba19b110655780731b3c0ded95
[INFO] running `Command { std: "docker" "start" "-a" "e993d734b40a0e34a978ae1eeb9580cbf480adba19b110655780731b3c0ded95", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stdout] warning: struct `SubplotList` is never constructed
[INFO] [stdout]    --> src/figure.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct SubplotList<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/figure.rs:122:26
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn subplots<'b>(&'b mut self) -> &mut Vec<Subplot<'a>>
[INFO] [stdout]     |                          ^^              --------------------- the same lifetime is elided here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn subplots<'b>(&'b mut self) -> &'b mut Vec<Subplot<'a>>
[INFO] [stdout]     |                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling plt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SubplotList` is never constructed
[INFO] [stdout]    --> src/figure.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct SubplotList<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/figure.rs:122:26
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn subplots<'b>(&'b mut self) -> &mut Vec<Subplot<'a>>
[INFO] [stdout]     |                          ^^              --------------------- the same lifetime is elided here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'b`
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn subplots<'b>(&'b mut self) -> &'b mut Vec<Subplot<'a>>
[INFO] [stdout]     |                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "e993d734b40a0e34a978ae1eeb9580cbf480adba19b110655780731b3c0ded95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e993d734b40a0e34a978ae1eeb9580cbf480adba19b110655780731b3c0ded95", kill_on_drop: false }`
[INFO] [stdout] e993d734b40a0e34a978ae1eeb9580cbf480adba19b110655780731b3c0ded95
[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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14d2951a62c7f0d37ad74489d3c5d8aa6c3d02e17143a704d8d60761532103d1
[INFO] running `Command { std: "docker" "start" "-a" "14d2951a62c7f0d37ad74489d3c5d8aa6c3d02e17143a704d8d60761532103d1", kill_on_drop: false }`
[INFO] [stderr] warning: struct `SubplotList` is never constructed
[INFO] [stderr]    --> src/figure.rs:178:8
[INFO] [stderr]     |
[INFO] [stderr] 178 | struct SubplotList<'a> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/figure.rs:122:26
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn subplots<'b>(&'b mut self) -> &mut Vec<Subplot<'a>>
[INFO] [stderr]     |                          ^^              --------------------- the same lifetime is elided here
[INFO] [stderr]     |                          |
[INFO] [stderr]     |                          the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'b`
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn subplots<'b>(&'b mut self) -> &'b mut Vec<Subplot<'a>>
[INFO] [stderr]     |                                           ++
[INFO] [stderr] 
[INFO] [stderr] warning: `plt` (lib) generated 2 warnings
[INFO] [stderr] warning: `plt` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/plt-2b5d5bb6e62049cc)
[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 plt
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 13) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/lib.rs:24:47:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: DrawError(IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }))
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d702114d6f2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d702114d6f2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d702114d6f2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5d702114d6f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5d702116e533 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5d702116e533 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5d702114b153 - std::io::default_write_fmt::ha27fbccbc65eb6fa
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5d702114b153 - std::io::Write::write_fmt::h6556609fca33d0b1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5d702114d542 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5d702114ec33 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5d702114ea15 - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x5d702114f605 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x5d702114f39a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x5d702114dbf9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5d702114f02d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x5d702116cc50 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5d702116d0b6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   17:     0x5d70210c046e - rust_out::main::_doctest_main_src_lib_rs_13_0::hff204a749037fef1
[INFO] [stdout]   18:     0x5d70210bff56 - rust_out::main::h2d10ba762d3f8adf
[INFO] [stdout]   19:     0x5d70210a76f3 - core::ops::function::FnOnce::call_once::h89333dd4ac8e03fc
[INFO] [stdout]   20:     0x5d70210a6786 - std::sys::backtrace::__rust_begin_short_backtrace::h8a10de1e92516da1
[INFO] [stdout]   21:     0x5d70210a6629 - std::rt::lang_start::{{closure}}::h0af3a8cb06b34c3e
[INFO] [stdout]   22:     0x5d70211488f0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h638295a043b40957
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21
[INFO] [stdout]   23:     0x5d70211488f0 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x5d70211488f0 - std::panicking::catch_unwind::h50591d85bf847c7c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x5d70211488f0 - std::panic::catch_unwind::h2487b4c4f2ae22c6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5d70211488f0 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5d70211488f0 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5d70211488f0 - std::panicking::catch_unwind::hf9a822ea043fb0d6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5d70211488f0 - std::panic::catch_unwind::h5b3cac802237ed89
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5d70211488f0 - std::rt::lang_start_internal::h34f9328d113fd60a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5d70210a6611 - std::rt::lang_start::h8f736fe0a226e45f
[INFO] [stdout]   32:     0x5d70210c0585 - main
[INFO] [stdout]   33:     0x7e9d335721ca - <unknown>
[INFO] [stdout]   34:     0x7e9d3357228b - __libc_start_main
[INFO] [stdout]   35:     0x5d70210927b5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "14d2951a62c7f0d37ad74489d3c5d8aa6c3d02e17143a704d8d60761532103d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d2951a62c7f0d37ad74489d3c5d8aa6c3d02e17143a704d8d60761532103d1", kill_on_drop: false }`
[INFO] [stdout] 14d2951a62c7f0d37ad74489d3c5d8aa6c3d02e17143a704d8d60761532103d1
