[INFO] fetching crate byteorder_core_io 0.5.3...
[INFO] checking byteorder_core_io-0.5.3 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate byteorder_core_io 0.5.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate byteorder_core_io 0.5.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef57e5e0cbd315c2e11b150cacafa607a09cc408c10a16c46bd479159c606aa4
[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" "ef57e5e0cbd315c2e11b150cacafa607a09cc408c10a16c46bd479159c606aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef57e5e0cbd315c2e11b150cacafa607a09cc408c10a16c46bd479159c606aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef57e5e0cbd315c2e11b150cacafa607a09cc408c10a16c46bd479159c606aa4", kill_on_drop: false }`
[INFO] [stdout] ef57e5e0cbd315c2e11b150cacafa607a09cc408c10a16c46bd479159c606aa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b416635b349d45e2687be93b02fbcaa8d2536bbe050b3c302648ae8be7594ed1
[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" "b416635b349d45e2687be93b02fbcaa8d2536bbe050b3c302648ae8be7594ed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling core_io v0.1.20190701
[INFO] [stderr]     Checking rand v0.3.23
[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-48a4fca4084c145d/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:     0x55a731039f45 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55a731039f45 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55a731039f45 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55a731039f45 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55a73105b7ac - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55a7310375b2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x55a73103c3a0 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55a73103c3a0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55a73103c3a0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55a73103c0ec - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55a73103c9e3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55a73103c5db - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55a73105abb1 - core::panicking::panic_fmt::h17139c2000299725
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x55a73105a943 - core::option::expect_failed::h64f5a96368d1b71b
[INFO] [stderr]                                  at src/libcore/option.rs:1261
[INFO] [stderr]     14:     0x55a731013eb1 - core::option::Option<T>::expect::h86abd2b8f6b3100d
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/option.rs:344
[INFO] [stderr]     15:     0x55a7310104b7 - build_script_build::main::he8279a00d502466d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_io-0.1.20190701/build.rs:73
[INFO] [stderr]     16:     0x55a731014c7b - std::rt::lang_start::{{closure}}::h7440e04ec842f97d
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x55a73103cdb3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x55a73103cdb3 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x55a73103cdb3 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x55a73103cdb3 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x55a73103cdb3 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x55a731014c57 - std::rt::lang_start::h853dc05e9f5635cb
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x55a73101104a - main
[INFO] [stderr]     24:     0x7f8223d340b3 - __libc_start_main
[INFO] [stderr]     25:     0x55a73100e17e - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b416635b349d45e2687be93b02fbcaa8d2536bbe050b3c302648ae8be7594ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b416635b349d45e2687be93b02fbcaa8d2536bbe050b3c302648ae8be7594ed1", kill_on_drop: false }`
[INFO] [stdout] b416635b349d45e2687be93b02fbcaa8d2536bbe050b3c302648ae8be7594ed1
