[INFO] updating cached repository https://github.com/Szczurowski/rust-example-hero
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db5b60b1109b1fbae2531d7568717bb77b4c28fc
[INFO] checking Szczurowski/rust-example-hero against try#5e633973aa9255a88b65a39484627bb54e6044b3 for pr-66063
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSzczurowski%2Frust-example-hero" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Szczurowski/rust-example-hero on toolchain 5e633973aa9255a88b65a39484627bb54e6044b3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Szczurowski/rust-example-hero
[INFO] finished tweaking git repo https://github.com/Szczurowski/rust-example-hero
[INFO] tweaked toml for git repo https://github.com/Szczurowski/rust-example-hero written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Szczurowski/rust-example-hero already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+5e633973aa9255a88b65a39484627bb54e6044b3" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae284715e203df62aa79f21134e8719876380651a58c14625bfa486bf1142c41
[INFO] running `"docker" "start" "-a" "ae284715e203df62aa79f21134e8719876380651a58c14625bfa486bf1142c41"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling matches v0.1.7
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling pear_codegen v0.1.0 (http://github.com/SergioBenitez/Pear?rev=b475140#b4751403)
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling rocket v0.4.0-dev (https://github.com/SergioBenitez/Rocket?rev=fe9fad3#fe9fad33)
[INFO] [stderr]     Checking inotify v0.3.0
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]    Compiling rocket_codegen v0.4.0-dev (https://github.com/SergioBenitez/Rocket?rev=fe9fad3#fe9fad33)
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking walkdir v2.2.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling smallvec v0.6.4
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.0 (http://github.com/SergioBenitez/Pear?rev=b475140#b4751403)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-c6b34a9eb393bfa7/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Pear requires a nightly or dev version of Rust.
[INFO] [stderr] Installed version is: 1.40.0-beta.643 (2019-11-03). Minimum required: 1.29.0-nightly (2018-07-16).
[INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/git/checkouts/pear-000cd7c33a1ee164/b475140/codegen/build.rs:31:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55999b33f064 - backtrace::backtrace::libunwind::trace::h10670797ed121b68
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55999b33f064 - backtrace::backtrace::trace_unsynchronized::hf5a38e033ae2a818
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55999b33f064 - std::sys_common::backtrace::_print_fmt::h0b0e2af5a9deb4cb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55999b33f064 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h09f90ebbbcc94e48
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x55999b35c9ac - core::fmt::write::h9adf6958464578db
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1028
[INFO] [stderr]    5:     0x55999b33c937 - std::io::Write::write_fmt::h9297c47d062dfa6b
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55999b34140e - std::sys_common::backtrace::_print::h128f57eaf6d3b811
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55999b34140e - std::sys_common::backtrace::print::h84624ec5a0a67ad0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55999b34140e - std::panicking::default_hook::{{closure}}::h0a87be176a63bd0d
[INFO] [stderr]                                at src/libstd/panicking.rs:188
[INFO] [stderr]    9:     0x55999b341101 - std::panicking::default_hook::h18557876266abded
[INFO] [stderr]                                at src/libstd/panicking.rs:205
[INFO] [stderr]   10:     0x55999b341a5b - std::panicking::rust_panic_with_hook::h86f942b22e4cd4d1
[INFO] [stderr]                                at src/libstd/panicking.rs:464
[INFO] [stderr]   11:     0x55999b316aef - std::panicking::begin_panic::hf2d2302146d981e6
[INFO] [stderr]                                at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libstd/panicking.rs:400
[INFO] [stderr]   12:     0x55999b3148da - build_script_build::main::h306cada10456238a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/pear-000cd7c33a1ee164/b475140/codegen/build.rs:31
[INFO] [stderr]   13:     0x55999b315fe0 - std::rt::lang_start::{{closure}}::hd4809f1bd0e9d0e4
[INFO] [stderr]                                at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libstd/rt.rs:61
[INFO] [stderr]   14:     0x55999b3414d3 - std::rt::lang_start_internal::{{closure}}::hf008733c03a14083
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55999b3414d3 - std::panicking::try::do_call::hb7fbde37ae97e7fe
[INFO] [stderr]                                at src/libstd/panicking.rs:287
[INFO] [stderr]   16:     0x55999b34776a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:83
[INFO] [stderr]   17:     0x55999b341f3d - std::panicking::try::h79a79d869e06ace7
[INFO] [stderr]                                at src/libstd/panicking.rs:265
[INFO] [stderr]   18:     0x55999b341f3d - std::panic::catch_unwind::h428abb27e7ddef2d
[INFO] [stderr]                                at src/libstd/panic.rs:396
[INFO] [stderr]   19:     0x55999b341f3d - std::rt::lang_start_internal::hb860b89a1e78b084
[INFO] [stderr]                                at src/libstd/rt.rs:47
[INFO] [stderr]   20:     0x55999b315fb9 - std::rt::lang_start::h858ad70b9b93d130
[INFO] [stderr]                                at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libstd/rt.rs:61
[INFO] [stderr]   21:     0x55999b3156ba - main
[INFO] [stderr]   22:     0x7fd83feb4b97 - __libc_start_main
[INFO] [stderr]   23:     0x55999b31422a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `rocket_codegen v0.4.0-dev (https://github.com/SergioBenitez/Rocket?rev=fe9fad3#fe9fad33)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket_codegen-23fec1b91b779ac0/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Rocket requires a nightly or dev version of Rust.
[INFO] [stderr] Installed version is: 1.40.0-beta.643 (2019-11-03). Minimum required: 1.30.0-nightly (2018-08-14).
[INFO] [stderr] See the getting started guide (https://rocket.rs/guide/getting-started/) for more information.
[INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/git/checkouts/rocket-8bf16d9ca7e90bdc/fe9fad3/core/codegen/build.rs:38:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b630cb1284 - backtrace::backtrace::libunwind::trace::h10670797ed121b68
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55b630cb1284 - backtrace::backtrace::trace_unsynchronized::hf5a38e033ae2a818
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b630cb1284 - std::sys_common::backtrace::_print_fmt::h0b0e2af5a9deb4cb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55b630cb1284 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h09f90ebbbcc94e48
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x55b630ccebcc - core::fmt::write::h9adf6958464578db
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1028
[INFO] [stderr]    5:     0x55b630caeb57 - std::io::Write::write_fmt::h9297c47d062dfa6b
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55b630cb362e - std::sys_common::backtrace::_print::h128f57eaf6d3b811
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x55b630cb362e - std::sys_common::backtrace::print::h84624ec5a0a67ad0
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x55b630cb362e - std::panicking::default_hook::{{closure}}::h0a87be176a63bd0d
[INFO] [stderr]                                at src/libstd/panicking.rs:188
[INFO] [stderr]    9:     0x55b630cb3321 - std::panicking::default_hook::h18557876266abded
[INFO] [stderr]                                at src/libstd/panicking.rs:205
[INFO] [stderr]   10:     0x55b630cb3c7b - std::panicking::rust_panic_with_hook::h86f942b22e4cd4d1
[INFO] [stderr]                                at src/libstd/panicking.rs:464
[INFO] [stderr]   11:     0x55b630c88d0f - std::panicking::begin_panic::heb753eaa3dea005d
[INFO] [stderr]                                at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libstd/panicking.rs:400
[INFO] [stderr]   12:     0x55b630c86b29 - build_script_build::main::h2a536f8ed0fbb34f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/rocket-8bf16d9ca7e90bdc/fe9fad3/core/codegen/build.rs:38
[INFO] [stderr]   13:     0x55b630c88200 - std::rt::lang_start::{{closure}}::h27734f60d9b95d5a
[INFO] [stderr]                                at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libstd/rt.rs:61
[INFO] [stderr]   14:     0x55b630cb36f3 - std::rt::lang_start_internal::{{closure}}::hf008733c03a14083
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55b630cb36f3 - std::panicking::try::do_call::hb7fbde37ae97e7fe
[INFO] [stderr]                                at src/libstd/panicking.rs:287
[INFO] [stderr]   16:     0x55b630cb998a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:83
[INFO] [stderr]   17:     0x55b630cb415d - std::panicking::try::h79a79d869e06ace7
[INFO] [stderr]                                at src/libstd/panicking.rs:265
[INFO] [stderr]   18:     0x55b630cb415d - std::panic::catch_unwind::h428abb27e7ddef2d
[INFO] [stderr]                                at src/libstd/panic.rs:396
[INFO] [stderr]   19:     0x55b630cb415d - std::rt::lang_start_internal::hb860b89a1e78b084
[INFO] [stderr]                                at src/libstd/rt.rs:47
[INFO] [stderr]   20:     0x55b630c881d9 - std::rt::lang_start::h41481a6464911bfb
[INFO] [stderr]                                at /rustc/5e633973aa9255a88b65a39484627bb54e6044b3/src/libstd/rt.rs:61
[INFO] [stderr]   21:     0x55b630c878da - main
[INFO] [stderr]   22:     0x7fe4b2ab9b97 - __libc_start_main
[INFO] [stderr]   23:     0x55b630c8622a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ae284715e203df62aa79f21134e8719876380651a58c14625bfa486bf1142c41"`
[INFO] running `"docker" "rm" "-f" "ae284715e203df62aa79f21134e8719876380651a58c14625bfa486bf1142c41"`
[INFO] [stdout] ae284715e203df62aa79f21134e8719876380651a58c14625bfa486bf1142c41