[INFO] fetching crate bincode-no-std 1.0.0... [INFO] testing bincode-no-std-1.0.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate bincode-no-std 1.0.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate bincode-no-std 1.0.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate bincode-no-std 1.0.0 [INFO] finished tweaking crates.io crate bincode-no-std 1.0.0 [INFO] tweaked toml for crates.io crate bincode-no-std 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 93ffd278fc9049843c189ec684cc71725af1b955390e462b393795a6fb0db29c [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" "93ffd278fc9049843c189ec684cc71725af1b955390e462b393795a6fb0db29c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93ffd278fc9049843c189ec684cc71725af1b955390e462b393795a6fb0db29c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93ffd278fc9049843c189ec684cc71725af1b955390e462b393795a6fb0db29c", kill_on_drop: false }` [INFO] [stdout] 93ffd278fc9049843c189ec684cc71725af1b955390e462b393795a6fb0db29c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bdd33fa861a0210b51e260b3520f0efa690462729cee9c878f8543a5bcc1522 [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" "5bdd33fa861a0210b51e260b3520f0efa690462729cee9c878f8543a5bcc1522", kill_on_drop: false }` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling core_io v0.1.20190701 [INFO] [stderr] error: failed to run custom build command for `core_io v0.1.20190701` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/core_io-c80d8a4e02296348/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_io?', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_io-0.1.20190701/build.rs:73:69 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55bce1a2c2e0 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x55bce1a2c2e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55bce1a2c2e0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55bce1a2c2e0 - ::fmt::he009dcaaa75eed60 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55bce1a4958c - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55bce1a298f2 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x55bce1a2e465 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55bce1a2e465 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55bce1a2e465 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55bce1a2e108 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x55bce1a2eba1 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x55bce1a2e6e7 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13 [INFO] [stderr] 12: 0x55bce1a2c79c - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55bce1a2e649 - rust_begin_unwind [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5 [INFO] [stderr] 14: 0x55bce1a48931 - core::panicking::panic_fmt::ha0bb065d9a260792 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55bce1a486c3 - core::option::expect_failed::h4c033402fb75f2bf [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/option.rs:1260:5 [INFO] [stderr] 16: 0x55bce19fb0c1 - core::option::Option::expect::hefe2916ea192ef9d [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/option.rs:349:21 [INFO] [stderr] 17: 0x55bce19f62f4 - build_script_build::main::he11b1cda5ac28c72 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_io-0.1.20190701/build.rs:73:4 [INFO] [stderr] 18: 0x55bce19fa5db - core::ops::function::FnOnce::call_once::h2ee11dde1376d124 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55bce19f82fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h0c4a093d9cfe9d0e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55bce19fb421 - std::rt::lang_start::{{closure}}::h19c6665cc2015015 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55bce1a2efc7 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55bce1a2efc7 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stderr] 23: 0x55bce1a2efc7 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stderr] 24: 0x55bce1a2efc7 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55bce1a2efc7 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55bce19fb3f7 - std::rt::lang_start::hd2dbc61819bfe148 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55bce19f6f1a - main [INFO] [stderr] 28: 0x7f6e2026a0b3 - __libc_start_main [INFO] [stderr] 29: 0x55bce19f40ae - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "5bdd33fa861a0210b51e260b3520f0efa690462729cee9c878f8543a5bcc1522", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bdd33fa861a0210b51e260b3520f0efa690462729cee9c878f8543a5bcc1522", kill_on_drop: false }` [INFO] [stdout] 5bdd33fa861a0210b51e260b3520f0efa690462729cee9c878f8543a5bcc1522