[INFO] cloning repository https://github.com/Trangar/exceptional
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Trangar/exceptional" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrangar%2Fexceptional", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrangar%2Fexceptional'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b430f97cbbc4fba637429b507d759a9b7c921887
[INFO] testing Trangar/exceptional against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrangar%2Fexceptional" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Trangar/exceptional on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Trangar/exceptional
[INFO] finished tweaking git repo https://github.com/Trangar/exceptional
[INFO] tweaked toml for git repo https://github.com/Trangar/exceptional written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Trangar/exceptional already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 588303bc7100c24be9995057d754b14c1f4a871b2d3f708001cbbe90d131bb8e
[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" "588303bc7100c24be9995057d754b14c1f4a871b2d3f708001cbbe90d131bb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588303bc7100c24be9995057d754b14c1f4a871b2d3f708001cbbe90d131bb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588303bc7100c24be9995057d754b14c1f4a871b2d3f708001cbbe90d131bb8e", kill_on_drop: false }`
[INFO] [stdout] 588303bc7100c24be9995057d754b14c1f4a871b2d3f708001cbbe90d131bb8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 331e01d88e181f7395f97176f044d6f6d3db0959ff89c167c267aa9b9f2a6b35
[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" "331e01d88e181f7395f97176f044d6f6d3db0959ff89c167c267aa9b9f2a6b35", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling exceptional v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.47s
[INFO] running `Command { std: "docker" "inspect" "331e01d88e181f7395f97176f044d6f6d3db0959ff89c167c267aa9b9f2a6b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "331e01d88e181f7395f97176f044d6f6d3db0959ff89c167c267aa9b9f2a6b35", kill_on_drop: false }`
[INFO] [stdout] 331e01d88e181f7395f97176f044d6f6d3db0959ff89c167c267aa9b9f2a6b35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18d81af7b583a8c6cc71bf30cf48538622d0261d9ba6b69d8e61a3bd9a6572e0
[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" "18d81af7b583a8c6cc71bf30cf48538622d0261d9ba6b69d8e61a3bd9a6572e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling exceptional v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "18d81af7b583a8c6cc71bf30cf48538622d0261d9ba6b69d8e61a3bd9a6572e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d81af7b583a8c6cc71bf30cf48538622d0261d9ba6b69d8e61a3bd9a6572e0", kill_on_drop: false }`
[INFO] [stdout] 18d81af7b583a8c6cc71bf30cf48538622d0261d9ba6b69d8e61a3bd9a6572e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4aa7a58152eb2492beca62368f417ed0659b39ad05a66914ebf43839e31497bb
[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" "4aa7a58152eb2492beca62368f417ed0659b39ad05a66914ebf43839e31497bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/exceptional-4923d6fc019e8ee9
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/exceptional-d57197a7b91eb53f
[INFO] [stderr]    Doc-tests exceptional
[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 1 test
[INFO] [stdout] test test::test_1539761233543 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'Could not write unit test: Os { code: 30, kind: Other, message: "Read-only file system" }', src/lib.rs:50:14
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x559d9b6647f0 - std::backtrace_rs::backtrace::libunwind::trace::h7cf3ca97bd83fbab
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x559d9b6647f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5a69c674b2d9ea5c
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x559d9b6647f0 - std::sys_common::backtrace::_print_fmt::hdf72478dfcb50678
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x559d9b6647f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e0bdbb35e83deca
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x559d9b67cffc - core::fmt::write::he67f9b17bcb7ee73
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/fmt/mod.rs:1080
[INFO] [stdout]    5:     0x559d9b6629e2 - std::io::Write::write_fmt::hac97d5cb5753e2ec
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/io/mod.rs:1516
[INFO] [stdout]    6:     0x559d9b66691d - std::sys_common::backtrace::_print::haa20918e28a126c5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    7:     0x559d9b66691d - std::sys_common::backtrace::print::h49e772a4873d9076
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    8:     0x559d9b66691d - std::panicking::default_hook::{{closure}}::hb218b305d15e3f11
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:208
[INFO] [stdout]    9:     0x559d9b6665c8 - std::panicking::default_hook::h63997b7b949e1ce0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:227
[INFO] [stdout]   10:     0x559d9b666fa1 - std::panicking::rust_panic_with_hook::hb54f09ccadf64bd3
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:577
[INFO] [stdout]   11:     0x559d9b666b49 - std::panicking::begin_panic_handler::{{closure}}::h8b43445b254eeb30
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:484
[INFO] [stdout]   12:     0x559d9b664c7c - std::sys_common::backtrace::__rust_end_short_backtrace::hacd691450edfeae0
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   13:     0x559d9b666b09 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:483
[INFO] [stdout]   14:     0x559d9b67c311 - core::panicking::panic_fmt::h5b17d4a0e853d0f5
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/panicking.rs:85
[INFO] [stdout]   15:     0x559d9b67c133 - core::option::expect_none_failed::hd08bf36cae411fff
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/option.rs:1234
[INFO] [stdout]   16:     0x559d9b632b55 - core::result::Result<T,E>::expect::h668a32f85af5aa70
[INFO] [stdout]   17:     0x559d9b636ea8 - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   18:     0x559d9b6328a3 - core::ops::function::FnOnce::call_once::h5c25fabf55f68cb0
[INFO] [stdout]   19:     0x559d9b631df9 - std::sys_common::backtrace::__rust_begin_short_backtrace::he48b78818c6bb8fc
[INFO] [stdout]   20:     0x559d9b632239 - std::rt::lang_start::{{closure}}::h2090de6a9fc357b8
[INFO] [stdout]   21:     0x559d9b6673c7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h908982dfc31b926f
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/core/src/ops/function.rs:259
[INFO] [stdout]   22:     0x559d9b6673c7 - std::panicking::try::do_call::h92777899503b7584
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:381
[INFO] [stdout]   23:     0x559d9b6673c7 - std::panicking::try::h8815656b2b76e792
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panicking.rs:345
[INFO] [stdout]   24:     0x559d9b6673c7 - std::panic::catch_unwind::h112ab81228f50b46
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/panic.rs:382
[INFO] [stdout]   25:     0x559d9b6673c7 - std::rt::lang_start_internal::h1772a706c7575c24
[INFO] [stdout]                                at /rustc/212e76c31d461462544b5d516d3bdc99fc8f016e/library/std/src/rt.rs:51
[INFO] [stdout]   26:     0x559d9b632218 - std::rt::lang_start::h5654c047948033d3
[INFO] [stdout]   27:     0x559d9b63712b - main
[INFO] [stdout]   28:     0x7f496b5890b3 - __libc_start_main
[INFO] [stdout]   29:     0x559d9b6300ae - _start
[INFO] [stdout]   30:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 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" "4aa7a58152eb2492beca62368f417ed0659b39ad05a66914ebf43839e31497bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aa7a58152eb2492beca62368f417ed0659b39ad05a66914ebf43839e31497bb", kill_on_drop: false }`
[INFO] [stdout] 4aa7a58152eb2492beca62368f417ed0659b39ad05a66914ebf43839e31497bb
