[INFO] crate carboxyl 0.2.1 is already in cache
[INFO] extracting crate carboxyl 0.2.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/carboxyl/0.2.1
[INFO] extracting crate carboxyl 0.2.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/carboxyl/0.2.1
[INFO] validating manifest of carboxyl-0.2.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of carboxyl-0.2.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing carboxyl-0.2.1
[INFO] finished frobbing carboxyl-0.2.1
[INFO] frobbed toml for carboxyl-0.2.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/carboxyl/0.2.1/Cargo.toml
[INFO] started frobbing carboxyl-0.2.1
[INFO] finished frobbing carboxyl-0.2.1
[INFO] frobbed toml for carboxyl-0.2.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/carboxyl/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing carboxyl-0.2.1 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/carboxyl/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 27767a6dfe25e619ad7420d6b38442dc8e33964c120574216412a590aedaf4ac
[INFO] running `"docker" "start" "-a" "27767a6dfe25e619ad7420d6b38442dc8e33964c120574216412a590aedaf4ac"`
[INFO] [stderr]    Compiling carboxyl v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/lift.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | macro_rules! lift {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:136:9
[INFO] [stderr]    |
[INFO] [stderr] 136| #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "27767a6dfe25e619ad7420d6b38442dc8e33964c120574216412a590aedaf4ac"`
[INFO] running `"docker" "rm" "-f" "27767a6dfe25e619ad7420d6b38442dc8e33964c120574216412a590aedaf4ac"`
[INFO] [stdout] 27767a6dfe25e619ad7420d6b38442dc8e33964c120574216412a590aedaf4ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/carboxyl/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6a47c7b32b1cfbef3e5a17a0b8521b9813c5df6eb3bd9b4630c96deb9d0ca036
[INFO] running `"docker" "start" "-a" "6a47c7b32b1cfbef3e5a17a0b8521b9813c5df6eb3bd9b4630c96deb9d0ca036"`
[INFO] [stderr]    Compiling carboxyl v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/lift.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | macro_rules! lift {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:136:9
[INFO] [stderr]    |
[INFO] [stderr] 136| #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.59s
[INFO] running `"docker" "inspect" "6a47c7b32b1cfbef3e5a17a0b8521b9813c5df6eb3bd9b4630c96deb9d0ca036"`
[INFO] running `"docker" "rm" "-f" "6a47c7b32b1cfbef3e5a17a0b8521b9813c5df6eb3bd9b4630c96deb9d0ca036"`
[INFO] [stdout] 6a47c7b32b1cfbef3e5a17a0b8521b9813c5df6eb3bd9b4630c96deb9d0ca036
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/carboxyl/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] d13baea9598577481e541cbc8628abef8d2bce76fb14565671389e491c7b164a
[INFO] running `"docker" "start" "-a" "d13baea9598577481e541cbc8628abef8d2bce76fb14565671389e491c7b164a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/carboxyl-94521f1fc3a14931
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test lift::test::lift0_equal_within_transaction ... ok
[INFO] [stdout] test lift::test::lift1 ... ok
[INFO] [stdout] test lift::test::lift0 ... ok
[INFO] [stdout] test lift::test::lift2 ... ok
[INFO] [stdout] test lift::test::lift2_identical ... ok
[INFO] [stdout] test pending::test::new_future_identical ... ok
[INFO] [stdout] test lift::test::lift4 ... ok
[INFO] [stdout] test pending::test::updated_future ... ok
[INFO] [stdout] test pending::test::updated_deref ... ok
[INFO] [stdout] test pending::test::queue_affects_future ... ok
[INFO] [stdout] test pending::test::queue_does_not_affect_deref ... ok
[INFO] [stdout] test pending::test::new_derefs_identical ... ok
[INFO] [stdout] test lift::test::lift3 ... ok
[INFO] [stdout] test signal::test::cyclic_signal_intermediate ... ok
[INFO] [stdout] test signal::test::clone ... ok
[INFO] [stdout] test signal::test::cyclic_snapshot_accum ... ok
[INFO] [stdout] test signal::test::hold ... ok
[INFO] [stdout] test signal::test::hold_implicit_stream ... ok
[INFO] [stdout] test signal::test::snapshot_2 ... ok
[INFO] [stdout] test signal::test::snapshot ... ok
[INFO] [stdout] test signal::test::snapshot_lift_order_standard ... ok
[INFO] [stdout] test signal::test::applicative_homomorphism ... ok
[INFO] [stdout] test source::test::source_register_and_send ... ok
[INFO] [stdout] test source::test::source_unregister ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/source.rs:102:13
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test source::test::with_weak_disappeared ... ok
[INFO] [stdout] test source::test::with_weak_no_error ... ok
[INFO] [stdout] test signal::test::snapshot_order_standard ... ok
[INFO] [stdout] test signal::test::snapshot_order_alternative ... ok
[INFO] [stdout] test stream::coalesce::tests::update_value_puts_value_in_empty_mutex ... ok
[INFO] [stdout] test stream::coalesce::tests::update_value_combines_new_value_using_reducer ... ok
[INFO] [stdout] test stream::test::chain_2 ... ok
[INFO] [stdout] test stream::test::chain_1 ... ok
[INFO] [stdout] test stream::test::coalesce ... ok
[INFO] [stdout] test stream::test::filter_some ... ok
[INFO] [stdout] test stream::test::fold_race_condition ... ok
[INFO] [stdout] test signal::test::applicative_interchange ... ok
[INFO] [stderr]    0:     0x55e03b9aa083 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stdout] test stream::test::map ... ok
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55e03b9a5d0b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x55e03b9a8cb6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x55e03b9a8a34 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x55e03b9a93c0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x55e03b971d07 - std[698b411d1b74fcff]::panicking::begin_panic::<&str>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x55e03b7d54e4 - carboxyl[14f97fa7a54a4415]::source::test::with_weak_poisoned::{closure#0}
[INFO] [stderr]                                at src/source.rs:102
[INFO] [stderr]    7:     0x55e03b720e42 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<carboxyl[14f97fa7a54a4415]::source::test::with_weak_poisoned::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]    8:     0x55e03b7c113d - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<carboxyl[14f97fa7a54a4415]::source::test::with_weak_poisoned::{closure#0}, ()>::{closure#0}::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stderr]    9:     0x55e03b7ec490 - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<carboxyl[14f97fa7a54a4415]::source::test::with_weak_poisoned::{closure#0}, ()>::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   10:     0x55e03b716b14 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<carboxyl[14f97fa7a54a4415]::source::test::with_weak_poisoned::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   11:     0x55e03b9ac679 - __rust_maybe_catch_panic
[INFO] [stdout] test source::test::with_weak_poisoned ... ok
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   12:     0x55e03b72075d - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<carboxyl[14f97fa7a54a4415]::source::test::with_weak_poisoned::{closure#0}, ()>::{closure#0}::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   13:     0x55e03b7d9ec2 - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<carboxyl[14f97fa7a54a4415]::source::test::with_weak_poisoned::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   14:     0x55e03b7c03b5 - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<carboxyl[14f97fa7a54a4415]::source::test::with_weak_poisoned::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stderr]   15:     0x55e03b7c5596 - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<carboxyl[14f97fa7a54a4415]::source::test::with_weak_poisoned::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stderr]   16:     0x55e03b9abd9d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   17:     0x7f73a4dae493 - start_thread
[INFO] [stderr]   18:     0x7f73a48d9ace - __clone
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stdout] test stream::test::merge ... ok
[INFO] [stdout] test signal::test::functor_composition ... ok
[INFO] [stdout] test signal::test::functor_identity ... ok
[INFO] [stdout] test stream::test::move_closure ... ok
[INFO] [stdout] test stream::test::sink ... ok
[INFO] [stdout] test stream::test::sink_feed ... ok
[INFO] [stdout] test stream::test::sink_feed_async ... ok
[INFO] [stdout] test stream::test::sink_send_async ... ok
[INFO] [stdout] test testing::test::signal_eq_algebraic ... ok
[INFO] [stdout] test signal::test::applicative_identity ... ok
[INFO] [stdout] test testing::test::signal_eq_piecewise_const ... ok
[INFO] [stdout] test testing::test::stream_eq_algebraic ... ok
[INFO] [stdout] test testing::test::stream_eq_never ... ok
[INFO] [stdout] test testing::test::stream_eq_same_sink ... ok
[INFO] [stdout] test testing::test::signal_eq_const ... ok
[INFO] [stdout] test transaction::test::commit_nested ... ok
[INFO] [stdout] test transaction::test::commit_single ... ok
[INFO] [stdout] test signal::test::applicative_composition ... ok
[INFO] [stdout] test transaction::test::commits_parallel ... ok
[INFO] [stdout] test stream::test::functor_identity ... ok
[INFO] [stdout] test stream::test::functor_composition ... ok
[INFO] [stdout] test stream::test::monoid_left_identity ... ok
[INFO] [stdout] test stream::test::monoid_associative ... ok
[INFO] [stdout] test stream::test::monoid_right_identity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/drag_drop-07d19baab6b9818c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test drag_drop_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration-f2cb4bf2de9a2be2
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test nested_transactions ... ok
[INFO] [stdout] test switch ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skeptic-95f83abbb9ed28f9
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] error[E0464]: multiple matching crates for `carboxyl`
[INFO] [stderr]  --> /tmp/rust-skeptic.N7SYSGAXM4mq/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate carboxyl;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `carboxyl`: /opt/crater/target/debug/libcarboxyl.rlib
[INFO] [stderr]           crate `carboxyl`: /opt/crater/target/debug/deps/libcarboxyl-9eccc90c3d110c0f.rlib
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `carboxyl`
[INFO] [stderr]  --> /tmp/rust-skeptic.N7SYSGAXM4mq/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate carboxyl;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0463, E0464.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] test readme_3 ... FAILED
[INFO] [stderr] error[E0464]: multiple matching crates for `carboxyl`
[INFO] [stderr]  --> /tmp/rust-skeptic.rTjJbUSwc3eg/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate carboxyl;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `carboxyl`: /opt/crater/target/debug/libcarboxyl.rlib
[INFO] [stderr]           crate `carboxyl`: /opt/crater/target/debug/deps/libcarboxyl-9eccc90c3d110c0f.rlib
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `carboxyl`
[INFO] [stderr]  --> /tmp/rust-skeptic.rTjJbUSwc3eg/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate carboxyl;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0463, E0464.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] test readme_0 ... FAILED
[INFO] [stderr] error[E0464]: multiple matching crates for `carboxyl`
[INFO] [stderr]  --> /tmp/rust-skeptic.8cixu0OiMGhl/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate carboxyl;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `carboxyl`: /opt/crater/target/debug/libcarboxyl.rlib
[INFO] [stderr]           crate `carboxyl`: /opt/crater/target/debug/deps/libcarboxyl-9eccc90c3d110c0f.rlib
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `carboxyl`
[INFO] [stderr]  --> /tmp/rust-skeptic.8cixu0OiMGhl/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate carboxyl;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0463, E0464.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] test readme_2 ... FAILED
[INFO] [stdout] test readme_1 ... FAILED
[INFO] [stderr] error[E0464]: multiple matching crates for `carboxyl`
[INFO] [stderr]  --> /tmp/rust-skeptic.zdhg9B87aPMf/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate carboxyl;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `carboxyl`: /opt/crater/target/debug/libcarboxyl.rlib
[INFO] [stderr]           crate `carboxyl`: /opt/crater/target/debug/deps/libcarboxyl-9eccc90c3d110c0f.rlib
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `carboxyl`
[INFO] [stderr]  --> /tmp/rust-skeptic.zdhg9B87aPMf/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate carboxyl;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0463, E0464.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: test failed, to rerun pass '--test skeptic'
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- readme_3 stdout ----
[INFO] [stdout] thread 'readme_3' panicked at 'command `compile` failed', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:391:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e2684ebdc3 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x55e2684e7a6b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55e2684ea9f6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x55e2684ea6f7 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55e2684eb100 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55e2684eac81 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55e2684eabce - std[698b411d1b74fcff]::panicking::begin_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:340
[INFO] [stdout]    7:     0x55e2684bc5b5 - skeptic[b7cd4bfe1187404b]::rt::interpret_output
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:391
[INFO] [stdout]    8:     0x55e2684bbf02 - skeptic[b7cd4bfe1187404b]::rt::compile_test_case
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:372
[INFO] [stdout]    9:     0x55e2684bb2a1 - skeptic[b7cd4bfe1187404b]::rt::run_test
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:326
[INFO] [stdout]   10:     0x55e268475fe7 - skeptic[9d3fda60d055555c]::readme_3
[INFO] [stdout]                                at /opt/crater/target/debug/build/carboxyl-8ff92f4d8066bcf3/out/skeptic-tests.rs:69
[INFO] [stdout]   11:     0x55e268475ee9 - skeptic[9d3fda60d055555c]::readme_3::{closure#0}
[INFO] [stdout]                                at /opt/crater/target/debug/build/carboxyl-8ff92f4d8066bcf3/out/skeptic-tests.rs:51
[INFO] [stdout]   12:     0x55e26847592d - <skeptic[9d3fda60d055555c]::readme_3::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x55e268480e4e - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   14:     0x55e2684f3459 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   15:     0x55e26849b337 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   16:     0x55e2684766e4 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   17:     0x55e268476204 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stdout]   18:     0x55e2684f3459 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   19:     0x55e268480b8c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   20:     0x55e2684f2c0d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   21:     0x7ff6dd4d3493 - start_thread
[INFO] [stdout]   22:     0x7ff6dcffeace - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- readme_0 stdout ----
[INFO] [stdout] thread 'readme_0' panicked at 'command `compile` failed', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:391:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e2684ebdc3 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x55e2684e7a6b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55e2684ea9f6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x55e2684ea6f7 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55e2684eb100 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55e2684eac81 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55e2684eabce - std[698b411d1b74fcff]::panicking::begin_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:340
[INFO] [stdout]    7:     0x55e2684bc5b5 - skeptic[b7cd4bfe1187404b]::rt::interpret_output
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:391
[INFO] [stdout]    8:     0x55e2684bbf02 - skeptic[b7cd4bfe1187404b]::rt::compile_test_case
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:372
[INFO] [stdout]    9:     0x55e2684bb2a1 - skeptic[b7cd4bfe1187404b]::rt::run_test
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:326
[INFO] [stdout]   10:     0x55e268475c27 - skeptic[9d3fda60d055555c]::readme_0
[INFO] [stdout]                                at /opt/crater/target/debug/build/carboxyl-8ff92f4d8066bcf3/out/skeptic-tests.rs:18
[INFO] [stdout]   11:     0x55e268475b29 - skeptic[9d3fda60d055555c]::readme_0::{closure#0}
[INFO] [stdout]                                at /opt/crater/target/debug/build/carboxyl-8ff92f4d8066bcf3/out/skeptic-tests.rs:2
[INFO] [stdout]   12:     0x55e26847586d - <skeptic[9d3fda60d055555c]::readme_0::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x55e268480e4e - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   14:     0x55e2684f3459 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   15:     0x55e26849b337 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   16:     0x55e2684766e4 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   17:     0x55e268476204 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stdout]   18:     0x55e2684f3459 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   19:     0x55e268480b8c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   20:     0x55e2684f2c0d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   21:     0x7ff6dd4d3493 - start_thread
[INFO] [stdout]   22:     0x7ff6dcffeace - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- readme_2 stdout ----
[INFO] [stdout] thread 'readme_2' panicked at 'command `compile` failed', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:391:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e2684ebdc3 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x55e2684e7a6b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55e2684ea9f6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x55e2684ea6f7 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55e2684eb100 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55e2684eac81 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55e2684eabce - std[698b411d1b74fcff]::panicking::begin_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:340
[INFO] [stdout]    7:     0x55e2684bc5b5 - skeptic[b7cd4bfe1187404b]::rt::interpret_output
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:391
[INFO] [stdout]    8:     0x55e2684bbf02 - skeptic[b7cd4bfe1187404b]::rt::compile_test_case
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:372
[INFO] [stdout]    9:     0x55e2684bb2a1 - skeptic[b7cd4bfe1187404b]::rt::run_test
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:326
[INFO] [stdout]   10:     0x55e268475ea7 - skeptic[9d3fda60d055555c]::readme_2
[INFO] [stdout]                                at /opt/crater/target/debug/build/carboxyl-8ff92f4d8066bcf3/out/skeptic-tests.rs:48
[INFO] [stdout]   11:     0x55e268475da9 - skeptic[9d3fda60d055555c]::readme_2::{closure#0}
[INFO] [stdout]                                at /opt/crater/target/debug/build/carboxyl-8ff92f4d8066bcf3/out/skeptic-tests.rs:36
[INFO] [stdout]   12:     0x55e2684758ed - <skeptic[9d3fda60d055555c]::readme_2::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x55e268480e4e - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   14:     0x55e2684f3459 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   15:     0x55e26849b337 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   16:     0x55e2684766e4 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   17:     0x55e268476204 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stdout]   18:     0x55e2684f3459 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   19:     0x55e268480b8c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   20:     0x55e2684f2c0d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   21:     0x7ff6dd4d3493 - start_thread
[INFO] [stdout]   22:     0x7ff6dcffeace - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- readme_1 stdout ----
[INFO] [stdout] thread 'readme_1' panicked at 'command `compile` failed', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:391:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55e2684ebdc3 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x55e2684e7a6b - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout]    2:     0x55e2684ea9f6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    3:     0x55e2684ea6f7 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:209
[INFO] [stdout]    4:     0x55e2684eb100 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55e2684eac81 - std[698b411d1b74fcff]::panicking::continue_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:385
[INFO] [stdout]    6:     0x55e2684eabce - std[698b411d1b74fcff]::panicking::begin_panic_fmt
[INFO] [stdout]                                at src/libstd/panicking.rs:340
[INFO] [stdout]    7:     0x55e2684bc5b5 - skeptic[b7cd4bfe1187404b]::rt::interpret_output
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:391
[INFO] [stdout]    8:     0x55e2684bbf02 - skeptic[b7cd4bfe1187404b]::rt::compile_test_case
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:372
[INFO] [stdout]    9:     0x55e2684bb2a1 - skeptic[b7cd4bfe1187404b]::rt::run_test
[INFO] [stdout]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/skeptic-0.6.1/lib.rs:326
[INFO] [stdout]   10:     0x55e268475d67 - skeptic[9d3fda60d055555c]::readme_1
[INFO] [stdout]                                at /opt/crater/target/debug/build/carboxyl-8ff92f4d8066bcf3/out/skeptic-tests.rs:33
[INFO] [stdout]   11:     0x55e268475c69 - skeptic[9d3fda60d055555c]::readme_1::{closure#0}
[INFO] [stdout]                                at /opt/crater/target/debug/build/carboxyl-8ff92f4d8066bcf3/out/skeptic-tests.rs:21
[INFO] [stdout]   12:     0x55e2684758ad - <skeptic[9d3fda60d055555c]::readme_1::{closure#0} as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]   13:     0x55e268480e4e - <test[ea847f4bd1b1afc4]::run_test::{closure#3} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at src/libtest/lib.rs:1474
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libcore/ops/function.rs:231
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   14:     0x55e2684f3459 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   15:     0x55e26849b337 - test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at src/libtest/lib.rs:1429
[INFO] [stdout]   16:     0x55e2684766e4 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stdout]   17:     0x55e268476204 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stdout]   18:     0x55e2684f3459 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stdout]   19:     0x55e268480b8c - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<test[ea847f4bd1b1afc4]::run_test::run_test_inner::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stdout]   20:     0x55e2684f2c0d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stdout]   21:     0x7ff6dd4d3493 - start_thread
[INFO] [stdout]   22:     0x7ff6dcffeace - __clone
[INFO] [stdout]   23:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     readme_0
[INFO] [stdout]     readme_1
[INFO] [stdout]     readme_2
[INFO] [stdout]     readme_3
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d13baea9598577481e541cbc8628abef8d2bce76fb14565671389e491c7b164a"`
[INFO] running `"docker" "rm" "-f" "d13baea9598577481e541cbc8628abef8d2bce76fb14565671389e491c7b164a"`
[INFO] [stdout] d13baea9598577481e541cbc8628abef8d2bce76fb14565671389e491c7b164a