[INFO] fetching crate byteorder_core_io 0.5.3...
[INFO] testing byteorder_core_io-0.5.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate byteorder_core_io 0.5.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate byteorder_core_io 0.5.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate byteorder_core_io 0.5.3
[INFO] finished tweaking crates.io crate byteorder_core_io 0.5.3
[INFO] tweaked toml for crates.io crate byteorder_core_io 0.5.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core_io v0.1.20210325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71b8154a61577200096da500c9e8b81f40134bde4e0503a03d64a47c0282c0db
[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" "71b8154a61577200096da500c9e8b81f40134bde4e0503a03d64a47c0282c0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71b8154a61577200096da500c9e8b81f40134bde4e0503a03d64a47c0282c0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b8154a61577200096da500c9e8b81f40134bde4e0503a03d64a47c0282c0db", kill_on_drop: false }`
[INFO] [stdout] 71b8154a61577200096da500c9e8b81f40134bde4e0503a03d64a47c0282c0db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] c76af18526c10f64d2856b9168abd5e2923d7d545f3cf8131dde56dfa5af769c
[INFO] running `Command { std: "docker" "start" "-a" "c76af18526c10f64d2856b9168abd5e2923d7d545f3cf8131dde56dfa5af769c", 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
[INFO] [stderr] error: failed to run custom build command for `core_io v0.1.20210325`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/core_io-a48f8b2d0c1787b0/build-script-build` (exit status: 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-0.1.20210325/build.rs:73:69
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x558228c664ad - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x558228c664ad - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558228c664ad - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x558228c664ad - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x558228c8667c - core::fmt::write::he803f0f418caf762
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stderr]      5:     0x558228c62758 - std::io::Write::write_fmt::h70bc45872f37e7bb
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stderr]      6:     0x558228c68147 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x558228c68147 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x558228c68147 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x558228c67e10 - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x558228c68899 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x558228c68587 - std::panicking::begin_panic_handler::{{closure}}::h8e849d0710154ce0
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x558228c66974 - std::sys_common::backtrace::__rust_end_short_backtrace::hedcdaddbd4c46cc5
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x558228c68299 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x558228c2e423 - core::panicking::panic_fmt::he1bbc7336d49a357
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:143:14
[INFO] [stderr]     15:     0x558228c85841 - core::panicking::panic_display::hb184394d54dc8360
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:73:5
[INFO] [stderr]     16:     0x558228c857eb - core::panicking::panic_str::ha42887cd972750c9
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/panicking.rs:56:5
[INFO] [stderr]     17:     0x558228c2e296 - core::option::expect_failed::h9159c9d16ed9fb7c
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/option.rs:1852:5
[INFO] [stderr]     18:     0x558228c361fe - core::option::Option<T>::expect::h2a87b2999b099453
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/option.rs:715:21
[INFO] [stderr]     19:     0x558228c33b41 - build_script_build::main::h77649b784f03f270
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_io-0.1.20210325/build.rs:73:4
[INFO] [stderr]     20:     0x558228c35a6b - core::ops::function::FnOnce::call_once::h86c4c69640d33988
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     21:     0x558228c35f2e - std::sys_common::backtrace::__rust_begin_short_backtrace::hba68c3f8f1032444
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     22:     0x558228c31f51 - std::rt::lang_start::{{closure}}::h3d7e992cfbe2c163
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:145:18
[INFO] [stderr]     23:     0x558228c65b91 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb7014f43484a8b4e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     24:     0x558228c65b91 - std::panicking::try::do_call::h7bc9dc436daeb8c7
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stderr]     25:     0x558228c65b91 - std::panicking::try::h653d68a27ff5f175
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stderr]     26:     0x558228c65b91 - std::panic::catch_unwind::h9d739f9f59895e68
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x558228c65b91 - std::rt::lang_start_internal::{{closure}}::hf006f2bc7ce22bbe
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:48
[INFO] [stderr]     28:     0x558228c65b91 - std::panicking::try::do_call::hfb39d6df61a2e69f
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stderr]     29:     0x558228c65b91 - std::panicking::try::h13e2d225134958ac
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stderr]     30:     0x558228c65b91 - std::panic::catch_unwind::h3bd49b5a5dfb1a50
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x558228c65b91 - std::rt::lang_start_internal::h2ba92edce36c035e
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:20
[INFO] [stderr]     32:     0x558228c31f20 - std::rt::lang_start::hc010944a5326885c
[INFO] [stderr]                                  at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:144:17
[INFO] [stderr]     33:     0x558228c346ac - main
[INFO] [stderr]     34:     0x7f2d3e7360b3 - __libc_start_main
[INFO] [stderr]     35:     0x558228c2ebae - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c76af18526c10f64d2856b9168abd5e2923d7d545f3cf8131dde56dfa5af769c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76af18526c10f64d2856b9168abd5e2923d7d545f3cf8131dde56dfa5af769c", kill_on_drop: false }`
[INFO] [stdout] c76af18526c10f64d2856b9168abd5e2923d7d545f3cf8131dde56dfa5af769c