[INFO] fetching crate read_int 0.3.1... [INFO] testing read_int-0.3.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate read_int 0.3.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate read_int 0.3.1 [INFO] finished tweaking crates.io crate read_int 0.3.1 [INFO] tweaked toml for crates.io crate read_int 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate read_int 0.3.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate read_int 0.3.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61f264adeede886368ffa9b20f957942d0c221b1e3f569440b57e77b517a9eae [INFO] running `Command { std: "docker" "start" "-a" "61f264adeede886368ffa9b20f957942d0c221b1e3f569440b57e77b517a9eae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61f264adeede886368ffa9b20f957942d0c221b1e3f569440b57e77b517a9eae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61f264adeede886368ffa9b20f957942d0c221b1e3f569440b57e77b517a9eae", kill_on_drop: false }` [INFO] [stdout] 61f264adeede886368ffa9b20f957942d0c221b1e3f569440b57e77b517a9eae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ec9fb6682a1cbb212e46f4f2994cc93b0f7736021e18778ff84c6730612af9c [INFO] running `Command { std: "docker" "start" "-a" "3ec9fb6682a1cbb212e46f4f2994cc93b0f7736021e18778ff84c6730612af9c", kill_on_drop: false }` [INFO] [stderr] Compiling read_int v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "3ec9fb6682a1cbb212e46f4f2994cc93b0f7736021e18778ff84c6730612af9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ec9fb6682a1cbb212e46f4f2994cc93b0f7736021e18778ff84c6730612af9c", kill_on_drop: false }` [INFO] [stdout] 3ec9fb6682a1cbb212e46f4f2994cc93b0f7736021e18778ff84c6730612af9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c933702066994dac9cbdb0be35cb8df008b1847743de96b7435270a69520977 [INFO] running `Command { std: "docker" "start" "-a" "9c933702066994dac9cbdb0be35cb8df008b1847743de96b7435270a69520977", kill_on_drop: false }` [INFO] [stderr] Compiling read_int v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "9c933702066994dac9cbdb0be35cb8df008b1847743de96b7435270a69520977", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c933702066994dac9cbdb0be35cb8df008b1847743de96b7435270a69520977", kill_on_drop: false }` [INFO] [stdout] 9c933702066994dac9cbdb0be35cb8df008b1847743de96b7435270a69520977 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 16cf53088c64bcbc7f0f304eef406cae2c3ce09bcd8912023d89ebc31940ad47 [INFO] running `Command { std: "docker" "start" "-a" "16cf53088c64bcbc7f0f304eef406cae2c3ce09bcd8912023d89ebc31940ad47", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/read_int-27c71f1c01b5c83a) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::testing ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::testing stdout ---- [INFO] [stdout] Insert an integer [INFO] [stdout] [INFO] [stdout] thread 'tests::testing' (17) panicked at src/lib.rs:89:49: [INFO] [stdout] called `Option::unwrap()` on a `None` value [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5b347093da12 - std::backtrace_rs::backtrace::libunwind::trace::h589a96ef7638b383 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5b347093da12 - std::backtrace_rs::backtrace::trace_unsynchronized::h23a30a7548c40de4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5b347093da12 - std::sys::backtrace::_print_fmt::h87dabd6535c8c07a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5b347093da12 - ::fmt::hffd20ad4e5eca8ab [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5b347094e76f - core::fmt::rt::Argument::fmt::h75c83e3fd5ce2419 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5b347094e76f - core::fmt::write::h6d9d3a7cfd7b84f5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5b347090b0b3 - std::io::default_write_fmt::he11a713685e2464d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5b347090b0b3 - std::io::Write::write_fmt::h9d08f7e050bd2612 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5b3470917022 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5b347091baff - std::panicking::default_hook::{{closure}}::h7555113b62983743 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5b347091b991 - std::panicking::default_hook::h2714b564abe8d914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x5b34708db3be - as core::ops::function::Fn>::call::h0e9de8cceb22406e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 12: 0x5b34708db3be - test::test_main_with_exit_callback::{{closure}}::h8125bd66cf4739d0 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x5b347091c19e - as core::ops::function::Fn>::call::h1fd0a0802eaec16b [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1999:9 [INFO] [stdout] 14: 0x5b347091c19e - std::panicking::panic_with_hook::h190dc82263685ec5 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x5b347091bf36 - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:700:13 [INFO] [stdout] 16: 0x5b3470917159 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x5b34708fef4d - __rustc[9b67c8562bba447b]::rust_begin_unwind [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x5b3470956320 - core::panicking::panic_fmt::hc084f85b1e76c16d [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x5b34709562fc - core::panicking::panic::h019d7f9cc862af37 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panicking.rs:145:5 [INFO] [stdout] 20: 0x5b3470955779 - core::option::unwrap_failed::h79b21b2b0810fc80 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/option.rs:2166:5 [INFO] [stdout] 21: 0x5b34708b698b - core::option::Option::unwrap::he835291ed1f74bf9 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/option.rs:1009:21 [INFO] [stdout] 22: 0x5b34708b698b - read_int::tests::numbers::h5bbb114bc6be9943 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:89:49 [INFO] [stdout] 23: 0x5b34708b6ae6 - read_int::tests::testing::hf847874b77d29675 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:116:9 [INFO] [stdout] 24: 0x5b34708b6b17 - read_int::tests::testing::{{closure}}::h1458a1379201ef8a [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:114:17 [INFO] [stdout] 25: 0x5b34708b4846 - core::ops::function::FnOnce::call_once::hdc84fa86dc2bb0db [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 26: 0x5b34708db17b - core::ops::function::FnOnce::call_once::hdbf42be2a49fb464 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 27: 0x5b34708db17b - test::__rust_begin_short_backtrace::h8ae08814d38cb356 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:663:18 [INFO] [stdout] 28: 0x5b34708f0c65 - test::run_test_in_process::{{closure}}::h54574ee4f414d690 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:74 [INFO] [stdout] 29: 0x5b34708f0c65 - as core::ops::function::FnOnce<()>>::call_once::h01a0b7e7aad1a501 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 30: 0x5b34708f0c65 - std::panicking::catch_unwind::do_call::h23820e817c5612cd [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 31: 0x5b34708f0c65 - std::panicking::catch_unwind::h89c73a1febce5587 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 32: 0x5b34708f0c65 - std::panic::catch_unwind::h6f55caf410861914 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 33: 0x5b34708f0c65 - test::run_test_in_process::h4db851878e5d3983 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:686:27 [INFO] [stdout] 34: 0x5b34708f0c65 - test::run_test::{{closure}}::h57e8c5acaceacd24 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:607:43 [INFO] [stdout] 35: 0x5b34708c7654 - test::run_test::{{closure}}::he775ccc3a9d3b97e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/test/src/lib.rs:637:41 [INFO] [stdout] 36: 0x5b34708c7654 - std::sys::backtrace::__rust_begin_short_backtrace::hcd94d85d7765225a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 37: 0x5b34708cae9a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha814de8393f07830 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 38: 0x5b34708cae9a - as core::ops::function::FnOnce<()>>::call_once::h8deb00af0abdeaf1 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 39: 0x5b34708cae9a - std::panicking::catch_unwind::do_call::h1917979b0c279ea2 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:590:40 [INFO] [stdout] 40: 0x5b34708cae9a - std::panicking::catch_unwind::h791ad91fee6ce34e [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panicking.rs:553:19 [INFO] [stdout] 41: 0x5b34708cae9a - std::panic::catch_unwind::h982b8f40ed9c3cce [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/panic.rs:359:14 [INFO] [stdout] 42: 0x5b34708cae9a - std::thread::Builder::spawn_unchecked_::{{closure}}::h545e54700c945db4 [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 43: 0x5b34708cae9a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb427481a5227d78a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/core/src/ops/function.rs:253:5 [INFO] [stdout] 44: 0x5b34709113df - as core::ops::function::FnOnce>::call_once::h1d452951a81e9d0a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/alloc/src/boxed.rs:1985:9 [INFO] [stdout] 45: 0x5b34709113df - std::sys::pal::unix::thread::Thread::new::thread_start::h29c84e109630689a [INFO] [stdout] at /rustc/b83b707f97d809763b7861afa7638871f3339a33/library/std/src/sys/pal/unix/thread.rs:118:17 [INFO] [stdout] 46: 0x76802276aaa4 - [INFO] [stdout] 47: 0x7680227f7a34 - clone [INFO] [stdout] 48: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::testing [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "16cf53088c64bcbc7f0f304eef406cae2c3ce09bcd8912023d89ebc31940ad47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16cf53088c64bcbc7f0f304eef406cae2c3ce09bcd8912023d89ebc31940ad47", kill_on_drop: false }` [INFO] [stdout] 16cf53088c64bcbc7f0f304eef406cae2c3ce09bcd8912023d89ebc31940ad47