[INFO] fetching crate initials 0.1.2... [INFO] testing initials-0.1.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate initials 0.1.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate initials 0.1.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate initials 0.1.2 [INFO] finished tweaking crates.io crate initials 0.1.2 [INFO] tweaked toml for crates.io crate initials 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c052287849835578e1101a3d58572a116e2ae984a448108ef7e4fca9696e7009 [INFO] running `Command { std: "docker" "start" "-a" "c052287849835578e1101a3d58572a116e2ae984a448108ef7e4fca9696e7009", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c052287849835578e1101a3d58572a116e2ae984a448108ef7e4fca9696e7009", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c052287849835578e1101a3d58572a116e2ae984a448108ef7e4fca9696e7009", kill_on_drop: false }` [INFO] [stdout] c052287849835578e1101a3d58572a116e2ae984a448108ef7e4fca9696e7009 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d4a2d7a8c9fa57d07ae15702f84dc3c9044d3668cd234fd5bb20ec7b8cf051c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8d4a2d7a8c9fa57d07ae15702f84dc3c9044d3668cd234fd5bb20ec7b8cf051c", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling adler32 v1.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling ordered-float v1.1.0 [INFO] [stderr] Compiling rusttype v0.8.3 [INFO] [stderr] Compiling rusttype v0.7.9 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling rusttype v0.6.5 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling jpeg-decoder v0.1.20 [INFO] [stderr] Compiling image v0.19.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling initials v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/hex.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | try!(i64::from_str_radix(&String::from_iter(&raw[1 .. 3]), 16)), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/hex.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | try!(i64::from_str_radix(&String::from_iter(&raw[3 .. 5]), 16)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/hex.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | try!(i64::from_str_radix(&String::from_iter(&raw[5 .. 7]), 16)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.49s [INFO] running `Command { std: "docker" "inspect" "8d4a2d7a8c9fa57d07ae15702f84dc3c9044d3668cd234fd5bb20ec7b8cf051c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d4a2d7a8c9fa57d07ae15702f84dc3c9044d3668cd234fd5bb20ec7b8cf051c", kill_on_drop: false }` [INFO] [stdout] 8d4a2d7a8c9fa57d07ae15702f84dc3c9044d3668cd234fd5bb20ec7b8cf051c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4576532b7418745a752b796a9de922ed91eb179cb082c34fa3aa59cfb3ec378c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4576532b7418745a752b796a9de922ed91eb179cb082c34fa3aa59cfb3ec378c", kill_on_drop: false }` [INFO] [stderr] Compiling initials v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/hex.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | try!(i64::from_str_radix(&String::from_iter(&raw[1 .. 3]), 16)), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/hex.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | try!(i64::from_str_radix(&String::from_iter(&raw[3 .. 5]), 16)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/hex.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | try!(i64::from_str_radix(&String::from_iter(&raw[5 .. 7]), 16)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/hex.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | try!(i64::from_str_radix(&String::from_iter(&raw[1 .. 3]), 16)), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/hex.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | try!(i64::from_str_radix(&String::from_iter(&raw[3 .. 5]), 16)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/hex.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | try!(i64::from_str_radix(&String::from_iter(&raw[5 .. 7]), 16)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.16s [INFO] running `Command { std: "docker" "inspect" "4576532b7418745a752b796a9de922ed91eb179cb082c34fa3aa59cfb3ec378c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4576532b7418745a752b796a9de922ed91eb179cb082c34fa3aa59cfb3ec378c", kill_on_drop: false }` [INFO] [stdout] 4576532b7418745a752b796a9de922ed91eb179cb082c34fa3aa59cfb3ec378c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1ec8700b4c2d8dfa7e1fd4571428836d868ff403c73e5f2c6169cd901d95500f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1ec8700b4c2d8dfa7e1fd4571428836d868ff403c73e5f2c6169cd901d95500f", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | try!(i64::from_str_radix(&String::from_iter(&raw[1 .. 3]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | try!(i64::from_str_radix(&String::from_iter(&raw[3 .. 5]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | try!(i64::from_str_radix(&String::from_iter(&raw[5 .. 7]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | try!(i64::from_str_radix(&String::from_iter(&raw[1 .. 3]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:25:13 [INFO] [stderr] | [INFO] [stderr] 25 | try!(i64::from_str_radix(&String::from_iter(&raw[3 .. 5]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hex.rs:26:13 [INFO] [stderr] | [INFO] [stderr] 26 | try!(i64::from_str_radix(&String::from_iter(&raw[5 .. 7]), 16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/initials-686b67087c5e7a0c [INFO] [stdout] running 5 tests [INFO] [stdout] test hex::tests::test_invalid_hex_with_parse_error ... ok [INFO] [stdout] test contrast::tests::test_contrast_ratio ... ok [INFO] [stdout] test hex::tests::test_invalid_hex_with_missing_prefix ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/bin-dedfaff528123560 [INFO] [stdout] test hex::tests::test_valid_hex ... ok [INFO] [stderr] Doc-tests initials [INFO] [stdout] test hex::tests::test_invalid_hex_with_wrong_size ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - (line 6) ... ok [INFO] [stdout] test src/lib.rs - (line 12) ... ok [INFO] [stdout] test src/lib.rs - (line 86) ... ok [INFO] [stdout] test src/lib.rs - (line 62) ... ok [INFO] [stdout] test src/lib.rs - (line 22) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 22) 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: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:9:26 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5622c6b73d65 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5622c6b73d65 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5622c6b73d65 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5622c6b73d65 - ::fmt::hb4bdb37c3c335733 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5622c6b919dc - core::fmt::write::h540ac4a6a1232abc [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x5622c6b71cc2 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stdout] at src/libstd/io/mod.rs:1539 [INFO] [stdout] 6: 0x5622c6b761d0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5622c6b761d0 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5622c6b761d0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x5622c6b75f1c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stdout] at src/libstd/panicking.rs:217 [INFO] [stdout] 10: 0x5622c6b76813 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 11: 0x5622c6b7640b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 12: 0x5622c6b90de1 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 13: 0x5622c6b90c03 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 14: 0x5622c6a8a390 - core::result::Result::unwrap::h2bbe21ef418481e4 [INFO] [stdout] 15: 0x5622c6a8a726 - rust_out::main::h405f65324f7b53be [INFO] [stdout] 16: 0x5622c6a8a293 - std::rt::lang_start::{{closure}}::h4b28e45528b64eb3 [INFO] [stdout] 17: 0x5622c6b76be3 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 18: 0x5622c6b76be3 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stdout] at src/libstd/panicking.rs:348 [INFO] [stdout] 19: 0x5622c6b76be3 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stdout] at src/libstd/panicking.rs:325 [INFO] [stdout] 20: 0x5622c6b76be3 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x5622c6b76be3 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 22: 0x5622c6a8a278 - std::rt::lang_start::hb412ec904ea47782 [INFO] [stdout] 23: 0x5622c6a8a77b - main [INFO] [stdout] 24: 0x7f3257bc00b3 - __libc_start_main [INFO] [stdout] 25: 0x5622c6a8a17e - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 22) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "1ec8700b4c2d8dfa7e1fd4571428836d868ff403c73e5f2c6169cd901d95500f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ec8700b4c2d8dfa7e1fd4571428836d868ff403c73e5f2c6169cd901d95500f", kill_on_drop: false }` [INFO] [stdout] 1ec8700b4c2d8dfa7e1fd4571428836d868ff403c73e5f2c6169cd901d95500f