[INFO] fetching crate ecdb 0.0.2...
[INFO] checking ecdb-0.0.2 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate ecdb 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ecdb 0.0.2 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ecdb 0.0.2
[INFO] finished tweaking crates.io crate ecdb 0.0.2
[INFO] tweaked toml for crates.io crate ecdb 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ecdb 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded protobuf-codegen v2.8.1
[INFO] [stderr]   Downloaded protobuf v2.8.1
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.8.1
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bad9d33eb5c7bfa340521611d4cd2c9824c3a1b5630ec2dc78e2c1b7fda39e85
[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" "bad9d33eb5c7bfa340521611d4cd2c9824c3a1b5630ec2dc78e2c1b7fda39e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bad9d33eb5c7bfa340521611d4cd2c9824c3a1b5630ec2dc78e2c1b7fda39e85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad9d33eb5c7bfa340521611d4cd2c9824c3a1b5630ec2dc78e2c1b7fda39e85", kill_on_drop: false }`
[INFO] [stdout] bad9d33eb5c7bfa340521611d4cd2c9824c3a1b5630ec2dc78e2c1b7fda39e85
[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=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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 163ad35d17be4b359dd0516cb1498faee95f21b45f0d9e4fd0d5266e751a0d11
[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" "163ad35d17be4b359dd0516cb1498faee95f21b45f0d9e4fd0d5266e751a0d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.8.1
[INFO] [stderr]    Compiling ecdb v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `ecdb v0.0.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/ecdb-6fcaf75aaea2a8dc/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:27:8
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e66a629fe7 - std::backtrace_rs::backtrace::libunwind::trace::h8bc78f7bc1f75bdb
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55e66a629fe7 - std::backtrace_rs::backtrace::trace_unsynchronized::ha4c961c9576f95ba
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55e66a629fe7 - std::sys_common::backtrace::_print_fmt::hc20cfdc233d6eb02
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55e66a629fe7 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h04bea14549780a0f
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55e66a64782c - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/fmt/mod.rs:1096:17
[INFO] [stderr]      5:     0x55e66a627e02 - std::io::Write::write_fmt::h55dd75636eef6a5c
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x55e66a62bd15 - std::sys_common::backtrace::_print::h6439e8525077c7da
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55e66a62bd15 - std::sys_common::backtrace::print::h02b685f728ce3931
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55e66a62bd15 - std::panicking::default_hook::{{closure}}::h7c29625065fafae1
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55e66a62b873 - std::panicking::default_hook::hba441710bb71f4d5
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55e66a62c4b1 - std::panicking::rust_panic_with_hook::ha936eb00e51bc4d9
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55e66a62bff7 - std::panicking::begin_panic_handler::{{closure}}::hcd15140e0238536e
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55e66a62a4ac - std::sys_common::backtrace::__rust_end_short_backtrace::hb13a021bb64823a1
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55e66a62bf59 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55e66a645821 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55e66a645643 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/option.rs:1266:5
[INFO] [stderr]     16:     0x55e66a382634 - core::result::Result<T,E>::expect::h3bfc8c70c126860a
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/result.rs:929:23
[INFO] [stderr]     17:     0x55e66a382419 - build_script_build::main::h081025c3fbf8e3e2
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:19:5
[INFO] [stderr]     18:     0x55e66a3821eb - core::ops::function::FnOnce::call_once::ha7df9ac9fb9cb63c
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55e66a38221e - std::sys_common::backtrace::__rust_begin_short_backtrace::hd50741ed9088502b
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55e66a3822c1 - std::rt::lang_start::{{closure}}::h3410232945f365eb
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55e66a62c8d7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7c92107c3c98a949
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55e66a62c8d7 - std::panicking::try::do_call::h7454c57e8fbf0cc1
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55e66a62c8d7 - std::panicking::try::he71cdc15ed83b5ec
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55e66a62c8d7 - std::panic::catch_unwind::hfc08ddb043e6e18c
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x55e66a62c8d7 - std::rt::lang_start_internal::he4958117ec6901fd
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55e66a382297 - std::rt::lang_start::hde5cc1eab08d4ea4
[INFO] [stderr]                                  at /rustc/82acd1d76add2232e19c1f0feb250d2a19ec6efe/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55e66a38245a - main
[INFO] [stderr]     28:     0x7fb82dc700b3 - __libc_start_main
[INFO] [stderr]     29:     0x55e66a3820be - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "163ad35d17be4b359dd0516cb1498faee95f21b45f0d9e4fd0d5266e751a0d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163ad35d17be4b359dd0516cb1498faee95f21b45f0d9e4fd0d5266e751a0d11", kill_on_drop: false }`
[INFO] [stdout] 163ad35d17be4b359dd0516cb1498faee95f21b45f0d9e4fd0d5266e751a0d11