[INFO] fetching crate core_io 0.1.20210325... [INFO] checking core_io-0.1.20210325 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056 [INFO] extracting crate core_io 0.1.20210325 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate core_io 0.1.20210325 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate core_io 0.1.20210325 [INFO] finished tweaking crates.io crate core_io 0.1.20210325 [INFO] tweaked toml for crates.io crate core_io 0.1.20210325 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a48505f70c0dd4e89a3a84ea37b668207b2ce24e56003053870ac7b4141af737 [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" "a48505f70c0dd4e89a3a84ea37b668207b2ce24e56003053870ac7b4141af737", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a48505f70c0dd4e89a3a84ea37b668207b2ce24e56003053870ac7b4141af737", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a48505f70c0dd4e89a3a84ea37b668207b2ce24e56003053870ac7b4141af737", kill_on_drop: false }` [INFO] [stdout] a48505f70c0dd4e89a3a84ea37b668207b2ce24e56003053870ac7b4141af737 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1a392db4ad593ee23070b5248e22fcaeb5f4f2a74634ff58d4d36de7b3db57a [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" "f1a392db4ad593ee23070b5248e22fcaeb5f4f2a74634ff58d4d36de7b3db57a", kill_on_drop: false }` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling core_io v0.1.20210325 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `core_io v0.1.20210325 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/core_io-b8dc348fda307b03/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_io?', build.rs:73:69 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x561256b6e30c - std::backtrace_rs::backtrace::libunwind::trace::h2ab374bc2a3b7023 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x561256b6e30c - std::backtrace_rs::backtrace::trace_unsynchronized::h128cb5178b04dc46 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x561256b6e30c - std::sys_common::backtrace::_print_fmt::h5344f9eefca2041f [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x561256b6e30c - ::fmt::h213003bc5c7acf04 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x561256b8c1dc - core::fmt::write::h78bf85fc3e93663f [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/fmt/mod.rs:1126:17 [INFO] [stderr] 5: 0x561256b6b7a5 - std::io::Write::write_fmt::he619515c888f21a5 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/io/mod.rs:1667:15 [INFO] [stderr] 6: 0x561256b6fa00 - std::sys_common::backtrace::_print::hf706674f77848203 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x561256b6fa00 - std::sys_common::backtrace::print::hf0b6c7a88804ec56 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x561256b6fa00 - std::panicking::default_hook::{{closure}}::h2dde766cd83a333a [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:210:50 [INFO] [stderr] 9: 0x561256b6f5b7 - std::panicking::default_hook::h501e3b2e134eb149 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x561256b700b4 - std::panicking::rust_panic_with_hook::hc09e869c4cf00885 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:624:17 [INFO] [stderr] 11: 0x561256b6fb90 - std::panicking::begin_panic_handler::{{closure}}::hc2c6d70142458fc8 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:521:13 [INFO] [stderr] 12: 0x561256b6e7b4 - std::sys_common::backtrace::__rust_end_short_backtrace::had58f7c459a1cd6e [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x561256b6faf9 - rust_begin_unwind [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:517:5 [INFO] [stderr] 14: 0x561256b35181 - core::panicking::panic_fmt::hf443e5eeb6cc9eab [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/panicking.rs:103:14 [INFO] [stderr] 15: 0x561256b8b391 - core::panicking::panic_display::h7e364c019c4c45b4 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/panicking.rs:67:5 [INFO] [stderr] 16: 0x561256b3507b - core::option::expect_failed::hbb9465dc6ab987ce [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/option.rs:1615:5 [INFO] [stderr] 17: 0x561256b383ce - core::option::Option::expect::h944aad3df36d8796 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/option.rs:698:21 [INFO] [stderr] 18: 0x561256b3a261 - build_script_build::main::h66439065a798f4b6 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:73:4 [INFO] [stderr] 19: 0x561256b3bcfb - core::ops::function::FnOnce::call_once::hb05fe374dfd0a2d8 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x561256b3c5ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h282fdd9461233f45 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x561256b3b4b1 - std::rt::lang_start::{{closure}}::h7067ef9706a6a95c [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:64:18 [INFO] [stderr] 22: 0x561256b705ba - core::ops::function::impls:: for &F>::call_once::hab43eb8ec758341e [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x561256b705ba - std::panicking::try::do_call::hb667fefd650e964d [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:403:40 [INFO] [stderr] 24: 0x561256b705ba - std::panicking::try::hc279775c9409768d [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:367:19 [INFO] [stderr] 25: 0x561256b705ba - std::panic::catch_unwind::hbe8b6ecc84f73073 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panic.rs:133:14 [INFO] [stderr] 26: 0x561256b705ba - std::rt::lang_start_internal::{{closure}}::hb04fdaef496a162b [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:46:48 [INFO] [stderr] 27: 0x561256b705ba - std::panicking::try::do_call::habca359de051411d [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:403:40 [INFO] [stderr] 28: 0x561256b705ba - std::panicking::try::h24c556a6948e0937 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:367:19 [INFO] [stderr] 29: 0x561256b705ba - std::panic::catch_unwind::h58075d47f5a308d8 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panic.rs:133:14 [INFO] [stderr] 30: 0x561256b705ba - std::rt::lang_start_internal::h3d20dc1537d76758 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:46:20 [INFO] [stderr] 31: 0x561256b3b480 - std::rt::lang_start::ha244af152f5a2d26 [INFO] [stderr] at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:63:17 [INFO] [stderr] 32: 0x561256b3adcc - main [INFO] [stderr] 33: 0x7ff7be69c0b3 - __libc_start_main [INFO] [stderr] 34: 0x561256b358de - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "f1a392db4ad593ee23070b5248e22fcaeb5f4f2a74634ff58d4d36de7b3db57a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1a392db4ad593ee23070b5248e22fcaeb5f4f2a74634ff58d4d36de7b3db57a", kill_on_drop: false }` [INFO] [stdout] f1a392db4ad593ee23070b5248e22fcaeb5f4f2a74634ff58d4d36de7b3db57a