[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 master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrangar%2Fexceptional" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Trangar/exceptional on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dcbca19d62c84eef308f1a56ea0ad14b3d4945adf115b99302890b6daf39620
[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" "3dcbca19d62c84eef308f1a56ea0ad14b3d4945adf115b99302890b6daf39620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dcbca19d62c84eef308f1a56ea0ad14b3d4945adf115b99302890b6daf39620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcbca19d62c84eef308f1a56ea0ad14b3d4945adf115b99302890b6daf39620", kill_on_drop: false }`
[INFO] [stdout] 3dcbca19d62c84eef308f1a56ea0ad14b3d4945adf115b99302890b6daf39620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", 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] faad6ae4e6c9c287d3acdf932c3d4853d95b374df48ca61e12f053c14707c05c
[INFO] running `Command { std: "docker" "start" "-a" "faad6ae4e6c9c287d3acdf932c3d4853d95b374df48ca61e12f053c14707c05c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling exceptional v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.52s
[INFO] running `Command { std: "docker" "inspect" "faad6ae4e6c9c287d3acdf932c3d4853d95b374df48ca61e12f053c14707c05c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faad6ae4e6c9c287d3acdf932c3d4853d95b374df48ca61e12f053c14707c05c", kill_on_drop: false }`
[INFO] [stdout] faad6ae4e6c9c287d3acdf932c3d4853d95b374df48ca61e12f053c14707c05c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 387c02b76c4eba56795b4f9e6565adbe765af368892beab8846525bacd9ef431
[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" "387c02b76c4eba56795b4f9e6565adbe765af368892beab8846525bacd9ef431", kill_on_drop: false }`
[INFO] [stderr]    Compiling exceptional v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "387c02b76c4eba56795b4f9e6565adbe765af368892beab8846525bacd9ef431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387c02b76c4eba56795b4f9e6565adbe765af368892beab8846525bacd9ef431", kill_on_drop: false }`
[INFO] [stdout] 387c02b76c4eba56795b4f9e6565adbe765af368892beab8846525bacd9ef431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61b4dc08aa7f5b1c3f39ecf5c0dd3e79133c3e084b10056a510fe5484707f6a7
[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" "61b4dc08aa7f5b1c3f39ecf5c0dd3e79133c3e084b10056a510fe5484707f6a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exceptional-60911fc5b427db39)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exceptional-f84f57c9e0036a90)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exceptional
[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:     0x55a78e1b41d0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55a78e1b41d0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55a78e1b41d0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55a78e1b41d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h767e17e1aa7df6a8
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55a78e1cdc5c - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x55a78e1b2835 - std::io::Write::write_fmt::h4c802b6f761026c1
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15
[INFO] [stdout]    6:     0x55a78e1b5dfb - std::sys_common::backtrace::_print::h2769edb26a7eb606
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55a78e1b5dfb - std::sys_common::backtrace::print::ha71f3549862b4cb6
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55a78e1b5dfb - std::panicking::default_hook::{{closure}}::h95488a3bade217f6
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55a78e1b58d1 - std::panicking::default_hook::h290aa602c0fb11df
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x55a78e1b64a1 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55a78e1b5fa7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55a78e1b46ac - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55a78e1b5f09 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55a78e185ff1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55a78e186083 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x55a78e1892df - core::result::Result<T,E>::expect::h60fd63d9954ada02
[INFO] [stdout]   17:     0x55a78e18d59d - rust_out::main::h2a38bb51b9580a7d
[INFO] [stdout]   18:     0x55a78e188be3 - core::ops::function::FnOnce::call_once::h2b2994027e3ddb49
[INFO] [stdout]   19:     0x55a78e1883d9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0646a71575223ddb
[INFO] [stdout]   20:     0x55a78e188899 - std::rt::lang_start::{{closure}}::h56dae38fc2742666
[INFO] [stdout]   21:     0x55a78e1b6999 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h04259e4a34d07c2f
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13
[INFO] [stdout]   22:     0x55a78e1b6999 - std::panicking::try::do_call::hb8da45704d5cfbbf
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40
[INFO] [stdout]   23:     0x55a78e1b6999 - std::panicking::try::h4beadc19a78fec52
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19
[INFO] [stdout]   24:     0x55a78e1b6999 - std::panic::catch_unwind::hc58016cd36ba81a4
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14
[INFO] [stdout]   25:     0x55a78e1b6999 - std::rt::lang_start_internal::hc51399759a90501a
[INFO] [stdout]                                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21
[INFO] [stdout]   26:     0x55a78e188881 - std::rt::lang_start::h186ee2dda057dd14
[INFO] [stdout]   27:     0x55a78e18d7f3 - main
[INFO] [stdout]   28:     0x7fe82fd150b3 - __libc_start_main
[INFO] [stdout]   29:     0x55a78e18674e - _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; finished in 0.60s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "61b4dc08aa7f5b1c3f39ecf5c0dd3e79133c3e084b10056a510fe5484707f6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b4dc08aa7f5b1c3f39ecf5c0dd3e79133c3e084b10056a510fe5484707f6a7", kill_on_drop: false }`
[INFO] [stdout] 61b4dc08aa7f5b1c3f39ecf5c0dd3e79133c3e084b10056a510fe5484707f6a7