[INFO] fetching crate ternary-tree 0.1.1...
[INFO] testing ternary-tree-0.1.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate ternary-tree 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ternary-tree 0.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ternary-tree 0.1.1
[INFO] finished tweaking crates.io crate ternary-tree 0.1.1
[INFO] tweaked toml for crates.io crate ternary-tree 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6de3f7ea11a69d637fff25c4ac293d2ad43bf1c21bbab3f3520550d0423fe63e
[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" "6de3f7ea11a69d637fff25c4ac293d2ad43bf1c21bbab3f3520550d0423fe63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6de3f7ea11a69d637fff25c4ac293d2ad43bf1c21bbab3f3520550d0423fe63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de3f7ea11a69d637fff25c4ac293d2ad43bf1c21bbab3f3520550d0423fe63e", kill_on_drop: false }`
[INFO] [stdout] 6de3f7ea11a69d637fff25c4ac293d2ad43bf1c21bbab3f3520550d0423fe63e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6ab0071cd4c08b343883391aede7cd9f6e1f668b389734cac31bf42c51b531f
[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" "f6ab0071cd4c08b343883391aede7cd9f6e1f668b389734cac31bf42c51b531f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ternary-tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "f6ab0071cd4c08b343883391aede7cd9f6e1f668b389734cac31bf42c51b531f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ab0071cd4c08b343883391aede7cd9f6e1f668b389734cac31bf42c51b531f", kill_on_drop: false }`
[INFO] [stdout] f6ab0071cd4c08b343883391aede7cd9f6e1f668b389734cac31bf42c51b531f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2df05fcbb6836bfdc82e73627b89b36464e3cfdeb355db63b6bc04948a4719d1
[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" "2df05fcbb6836bfdc82e73627b89b36464e3cfdeb355db63b6bc04948a4719d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ternary-tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "2df05fcbb6836bfdc82e73627b89b36464e3cfdeb355db63b6bc04948a4719d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df05fcbb6836bfdc82e73627b89b36464e3cfdeb355db63b6bc04948a4719d1", kill_on_drop: false }`
[INFO] [stdout] 2df05fcbb6836bfdc82e73627b89b36464e3cfdeb355db63b6bc04948a4719d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8327c9843e09fb24d2502d7377cc64beb615cc8b2a99a1c7f5c428e91080d741
[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" "8327c9843e09fb24d2502d7377cc64beb615cc8b2a99a1c7f5c428e91080d741", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ternary_tree-0315c8f55af4e907
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-537c48cab0b96a98
[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 35 tests
[INFO] [stdout] test tst_create_empty_map ... ok
[INFO] [stdout] test tst_current_key_iterators ... ok
[INFO] [stdout] test tst_fix_unicode_chars_in_key_bug ... ok
[INFO] [stdout] test tst_create_with_macro ... ok
[INFO] [stdout] test tst_clear_some_map ... ok
[INFO] [stdout] test tst_get_value_back_on_empty_key ... ok
[INFO] [stdout] test tst_get_some_value_by_key ... ok
[INFO] [stdout] test tst_insert_and_get_more_key_value ... ok
[INFO] [stdout] test tst_insert_some_key_value ... ok
[INFO] [stdout] test tst_iterate_and_read_current_key ... ok
[INFO] [stdout] test tst_insert_and_remove_more_key_value ... ok
[INFO] [stdout] test tst_insert_and_remove_some_key_value ... ok
[INFO] [stdout] test tst_pretty_print ... ok
[INFO] [stdout] test tst_iterate_with_neighbor ... ok
[INFO] [stdout] test tst_iterate_with_complete ... ok
[INFO] [stdout] test tst_iterate_over_values_with_peek_and_co ... ok
[INFO] [stdout] test tst_stats_on_insert_and_remove ... ok
[INFO] [stdout] test tst_replace_some_value ... ok
[INFO] [stdout] test tst_update_some_values ... ok
[INFO] [stdout] test tst_iterate_with_crossword ... ok
[INFO] [stdout] test tst_iterate_over_values_from_both_end ... ok
[INFO] [stdout] test tst_iterate_over_values_with_for_loop ... ok
[INFO] [stdout] test tst_visit_complete_values ... ok
[INFO] [stdout] test tst_visit_crossword_values ... ok
[INFO] [stdout] test tst_iterate_over_values_backward ... ok
[INFO] [stdout] test tst_iterate_over_values ... ok
[INFO] [stdout] test tst_iterate_over_empty_tree ... ok
[INFO] [stdout] test tst_iterate_with_crossword_backward ... ok
[INFO] [stdout] test tst_iterate_with_neighbor_from_both_end ... ok
[INFO] [stdout] test tst_iterate_with_neighbor_backward ... ok
[INFO] [stdout] test tst_visit_neighbor_values ... ok
[INFO] [stdout] test tst_visit_values ... ok
[INFO] [stdout] test tst_iterate_and_read_current_key_back ... ok
[INFO] [stdout] test tst_iterate_with_crossword_from_both_end ... ok
[INFO] [stderr]    Doc-tests ternary-tree
[INFO] [stdout] test tst_iterate_over_values_backward_with_rev ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - Tst<T>::clear (line 1066) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::remove (line 981) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::insert (line 891) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::new (line 856) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::get (line 930) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::iter_crossword (line 1443) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::insert (line 878) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_complete_values (line 1121) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::new (line 862) ... ok
[INFO] [stdout] test src/lib.rs - (line 57) ... FAILED
[INFO] [stdout] test src/lib.rs - Tst<T>::len (line 1019) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::iter (line 1336) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::get_mut (line 953) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::stat (line 1037) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_crossword_values (line 1263) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::iter_neighbor (line 1407) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_crossword_values (line 1251) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::iter_complete (line 1370) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_values (line 1088) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_complete_values (line 1134) ... ok
[INFO] [stdout] test src/lib.rs - tst (line 1470) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_neighbor_values (line 1192) ... ok
[INFO] [stdout] test src/lib.rs - Tst<T>::visit_neighbor_values (line 1206) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 57) 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:26:40
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557c1d407f70 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x557c1d407f70 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x557c1d407f70 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x557c1d407f70 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x557c1d42120c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x557c1d406807 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x557c1d40a040 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    7:     0x557c1d40a040 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    8:     0x557c1d40a040 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]    9:     0x557c1d409d8c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stdout]   10:     0x557c1d40a6a3 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   11:     0x557c1d40a279 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   12:     0x557c1d4083fc - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   13:     0x557c1d40a239 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   14:     0x557c1d420531 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stdout]   15:     0x557c1d420353 - core::option::expect_none_failed::h448b58a024c2c33a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/option.rs:1221
[INFO] [stdout]   16:     0x557c1d3f10bb - core::result::Result<T,E>::unwrap::hc1ee58f78750baee
[INFO] [stdout]   17:     0x557c1d3f5be9 - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   18:     0x557c1d3ed943 - core::ops::function::FnOnce::call_once::hdcd857a6fc725660
[INFO] [stdout]   19:     0x557c1d3eba49 - std::sys_common::backtrace::__rust_begin_short_backtrace::h58530cce963ea820
[INFO] [stdout]   20:     0x557c1d3ec579 - std::rt::lang_start::{{closure}}::had844b611966ddaf
[INFO] [stdout]   21:     0x557c1d40aaa1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6a3209f124be2235
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:259
[INFO] [stdout]   22:     0x557c1d40aaa1 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   23:     0x557c1d40aaa1 - std::panicking::try::h6311c259678e50fc
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   24:     0x557c1d40aaa1 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   25:     0x557c1d40aaa1 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stdout]   26:     0x557c1d3ec558 - std::rt::lang_start::h1b0fb7b0bf978bb4
[INFO] [stdout]   27:     0x557c1d3f674b - main
[INFO] [stdout]   28:     0x7f770c51a0b3 - __libc_start_main
[INFO] [stdout]   29:     0x557c1d3e80ae - _start
[INFO] [stdout]   30:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 57)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 22 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" "8327c9843e09fb24d2502d7377cc64beb615cc8b2a99a1c7f5c428e91080d741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8327c9843e09fb24d2502d7377cc64beb615cc8b2a99a1c7f5c428e91080d741", kill_on_drop: false }`
[INFO] [stdout] 8327c9843e09fb24d2502d7377cc64beb615cc8b2a99a1c7f5c428e91080d741
