[INFO] fetching crate csvsc 0.1.0...
[INFO] testing csvsc-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate csvsc 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate csvsc 0.1.0 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 csvsc 0.1.0
[INFO] finished tweaking crates.io crate csvsc 0.1.0
[INFO] tweaked toml for crates.io crate csvsc 0.1.0 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a3f0ce38d466bffb915913afe4ee0528a8cc3a7b1f7826adc346ab596434b2a
[INFO] running `Command { std: "docker" "start" "-a" "8a3f0ce38d466bffb915913afe4ee0528a8cc3a7b1f7826adc346ab596434b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a3f0ce38d466bffb915913afe4ee0528a8cc3a7b1f7826adc346ab596434b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a3f0ce38d466bffb915913afe4ee0528a8cc3a7b1f7826adc346ab596434b2a", kill_on_drop: false }`
[INFO] [stdout] 8a3f0ce38d466bffb915913afe4ee0528a8cc3a7b1f7826adc346ab596434b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8af3138aacdc6fe1d1512e5b4da748cdbeb6edd4ce1ba5b84f603b4245a4f869
[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" "8af3138aacdc6fe1d1512e5b4da748cdbeb6edd4ce1ba5b84f603b4245a4f869", kill_on_drop: false }`
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling csvsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "8af3138aacdc6fe1d1512e5b4da748cdbeb6edd4ce1ba5b84f603b4245a4f869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af3138aacdc6fe1d1512e5b4da748cdbeb6edd4ce1ba5b84f603b4245a4f869", kill_on_drop: false }`
[INFO] [stdout] 8af3138aacdc6fe1d1512e5b4da748cdbeb6edd4ce1ba5b84f603b4245a4f869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 91de42730db6fec517d70d152131c6581ae344ecab36b56ea13996a51bdaf1d7
[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" "91de42730db6fec517d70d152131c6581ae344ecab36b56ea13996a51bdaf1d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling csvsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "91de42730db6fec517d70d152131c6581ae344ecab36b56ea13996a51bdaf1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91de42730db6fec517d70d152131c6581ae344ecab36b56ea13996a51bdaf1d7", kill_on_drop: false }`
[INFO] [stdout] 91de42730db6fec517d70d152131c6581ae344ecab36b56ea13996a51bdaf1d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 19a7fc595118520bd9d1e0cd7b8e6b77067e2b7cf82e1d31993407f8205373b5
[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" "19a7fc595118520bd9d1e0cd7b8e6b77067e2b7cf82e1d31993407f8205373b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/csvsc-f686529ebd918359
[INFO] [stdout] 
[INFO] [stdout] running 51 tests
[INFO] [stdout] test del::tests::test_del ... ok
[INFO] [stdout] test adjacent_group::tests::test_some_errs_in_stream ... ok
[INFO] [stdout] test adjacent_group::tests::test_nonmatching_headers ... ok
[INFO] [stdout] test add_with::tests::test_add ... ok
[INFO] [stdout] test add::colspec::tests::test_colspec_simplest ... ok
[INFO] [stdout] test add::colspec::tests::test_colspec_mix ... ok
[INFO] [stdout] test adjacent_group::tests::test_adjacent_group ... ok
[INFO] [stdout] test add::tests::test_add_doesnt_swallow_errors ... ok
[INFO] [stdout] test group::tests::test_group ... ok
[INFO] [stdout] test group::tests::test_group_noadjacent ... ok
[INFO] [stdout] test headers::tests::test_hash ... ok
[INFO] [stdout] test group::tests::test_nonmatching_headers ... ok
[INFO] [stdout] test input::tests::test_read_concatenated ... ok
[INFO] [stdout] test input::tests::different_encoding ... ok
[INFO] [stdout] test mock::tests::test_mock_stream ... ok
[INFO] [stdout] test reduce::aggregate::avg::tests::test_avg ... ok
[INFO] [stdout] test reduce::aggregate::default_min::tests::test_missing_column ... ok
[INFO] [stdout] test reduce::aggregate::default_min::tests::test_value_error ... ok
[INFO] [stdout] test reduce::aggregate::default_sum::tests::test_missing_column ... ok
[INFO] [stdout] test reduce::aggregate::default_max::tests::test_value_error ... ok
[INFO] [stdout] test input::tests::detects_inconsistent_headers ... ok
[INFO] [stdout] test group::tests::test_some_errs_in_stream ... ok
[INFO] [stdout] test reduce::aggregate::default_max::tests::test_max ... ok
[INFO] [stdout] test reduce::aggregate::default_min::tests::test_min ... ok
[INFO] [stdout] test reduce::aggregate::max::tests::test_value_error ... ok
[INFO] [stdout] test reduce::aggregate::default_max::tests::test_missing_column ... ok
[INFO] [stdout] test reduce::aggregate::default_sum::tests::test_sum ... ok
[INFO] [stdout] test reduce::aggregate::sum::tests::test_missing_column ... ok
[INFO] [stdout] test reduce::aggregate::last::tests::test_missing_column ... ok
[INFO] [stdout] test reduce::aggregate::last::tests::test_last ... ok
[INFO] [stdout] test reduce::aggregate::default_sum::tests::test_value_error ... ok
[INFO] [stdout] test reduce::aggregate::min::tests::test_missing_column ... ok
[INFO] [stdout] test reduce::aggregate::avg::tests::test_value_error ... ok
[INFO] [stdout] test reduce::aggregate::count::tests::test_count ... ok
[INFO] [stdout] test reduce::aggregate::avg::tests::test_missing_column ... ok
[INFO] [stdout] test reduce::tests::test_reduce_error ... ok
[INFO] [stdout] test reduce::tests::test_reduce_max ... ok
[INFO] [stdout] test rename::tests::test_rename ... ok
[INFO] [stdout] test reduce::aggregate::min::tests::test_min ... ok
[INFO] [stdout] test add::tests::test_add ... ok
[INFO] [stdout] test reduce::aggregate::max::tests::test_max ... ok
[INFO] [stdout] test reduce::aggregate::max::tests::test_missing_column ... ok
[INFO] [stdout] test reduce::tests::test_reduce_id_function ... ok
[INFO] [stdout] test add::colspec::tests::test_colspec_regex_source ... ok
[INFO] [stdout] test reduce::aggregate::sum::tests::test_sum ... ok
[INFO] [stdout] test reduce::aggregate::min::tests::test_value_error ... ok
[INFO] [stdout] test reduce::aggregate::sum::tests::test_value_error ... ok
[INFO] [stdout] test reduce::tests::test_reduce_avg ... ok
[INFO] [stdout] test reduce::tests::test_reduce_min ... ok
[INFO] [stdout] test reduce::tests::test_reduce_sum ... ok
[INFO] [stderr]    Doc-tests csvsc
[INFO] [stdout] test add::colspec::tests::test_interpolate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 51 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/add/colspec.rs - add::colspec::ColSpec::Mix (line 23) ... ok
[INFO] [stdout] test src/headers.rs - headers::Headers::add (line 80) ... ok
[INFO] [stdout] test src/headers.rs - headers::Headers::hash (line 49) ... ok
[INFO] [stdout] test src/headers.rs - headers::Headers::get_field (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 31) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'Could not create directory: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/workdir/src/flush.rs:89:49
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5580513b7ce0 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x5580513b7ce0 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5580513b7ce0 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x5580513b7ce0 - <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:     0x5580513d2ffc - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x5580513b5e57 - std::io::Write::write_fmt::h1d2ee292d2b65481
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x5580513b9de0 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    7:     0x5580513b9de0 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    8:     0x5580513b9de0 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]    9:     0x5580513b9b2c - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:219
[INFO] [stdout]   10:     0x5580513ba443 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   11:     0x5580513ba019 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   12:     0x5580513b816c - 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:     0x5580513b9fd9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   14:     0x5580513d2321 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stdout]   15:     0x5580513d2143 - core::option::expect_none_failed::h448b58a024c2c33a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/option.rs:1221
[INFO] [stdout]   16:     0x558051289e65 - core::result::Result<T,E>::expect::hb70cf2e4fac65df4
[INFO] [stdout]   17:     0x55805128ccc9 - csvsc::flush::IntoIter<I>::get_target::h917280086331e6c0
[INFO] [stdout]   18:     0x55805128f2e7 - <csvsc::flush::IntoIter<I> as core::iter::traits::iterator::Iterator>::next::h1f8585773cd8310b
[INFO] [stdout]   19:     0x558051293fac - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   20:     0x5580512872c3 - core::ops::function::FnOnce::call_once::hdcd857a6fc725660
[INFO] [stdout]   21:     0x558051286089 - std::sys_common::backtrace::__rust_begin_short_backtrace::h58530cce963ea820
[INFO] [stdout]   22:     0x558051286a19 - std::rt::lang_start::{{closure}}::had844b611966ddaf
[INFO] [stdout]   23:     0x5580513ba841 - 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]   24:     0x5580513ba841 - std::panicking::try::do_call::h88ce358792b64df0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   25:     0x5580513ba841 - std::panicking::try::h6311c259678e50fc
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   26:     0x5580513ba841 - std::panic::catch_unwind::h56c5716807d659a1
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   27:     0x5580513ba841 - std::rt::lang_start_internal::h73711f37ecfcb277
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/rt.rs:51
[INFO] [stdout]   28:     0x5580512869f8 - std::rt::lang_start::h1b0fb7b0bf978bb4
[INFO] [stdout]   29:     0x55805129436b - main
[INFO] [stdout]   30:     0x7f3b965ff0b3 - __libc_start_main
[INFO] [stdout]   31:     0x5580512840be - _start
[INFO] [stdout]   32:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 31)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 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" "19a7fc595118520bd9d1e0cd7b8e6b77067e2b7cf82e1d31993407f8205373b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a7fc595118520bd9d1e0cd7b8e6b77067e2b7cf82e1d31993407f8205373b5", kill_on_drop: false }`
[INFO] [stdout] 19a7fc595118520bd9d1e0cd7b8e6b77067e2b7cf82e1d31993407f8205373b5
