[INFO] cloning repository https://github.com/yuraxdrumz/rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuraxdrumz/rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuraxdrumz%2Frust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuraxdrumz%2Frust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31bb2d295f0f2d7bdbb7c4f44bdcf23c6173ef01
[INFO] testing yuraxdrumz/rust-tutorial against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuraxdrumz%2Frust-tutorial" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuraxdrumz/rust-tutorial on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuraxdrumz/rust-tutorial
[INFO] finished tweaking git repo https://github.com/yuraxdrumz/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/yuraxdrumz/rust-tutorial written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/yuraxdrumz/rust-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.7
[INFO] [stderr]   Downloaded inotify v0.6.1
[INFO] [stderr]   Downloaded cookie v0.11.1
[INFO] [stderr]   Downloaded rocket_codegen v0.4.2
[INFO] [stderr]   Downloaded rocket_http v0.4.2
[INFO] [stderr]   Downloaded rocket v0.4.2
[INFO] [stderr]   Downloaded rocket_contrib v0.4.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.52
[INFO] [stderr]   Downloaded notify v4.0.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0876c92f20665bdeb92e83420f40e0bcf45016a66338849eb6999cd78bc544f1
[INFO] running `Command { std: "docker" "start" "-a" "0876c92f20665bdeb92e83420f40e0bcf45016a66338849eb6999cd78bc544f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0876c92f20665bdeb92e83420f40e0bcf45016a66338849eb6999cd78bc544f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0876c92f20665bdeb92e83420f40e0bcf45016a66338849eb6999cd78bc544f1", kill_on_drop: false }`
[INFO] [stdout] 0876c92f20665bdeb92e83420f40e0bcf45016a66338849eb6999cd78bc544f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9b19e6ebe4cccd01181261c6e87a3084aadd235bc07f63ccc2795bb84ffcbb7
[INFO] running `Command { std: "docker" "start" "-a" "a9b19e6ebe4cccd01181261c6e87a3084aadd235bc07f63ccc2795bb84ffcbb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr] error: failed to run custom build command for `rocket v0.4.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rocket-608c10e3222fc25e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Rocket (core) requires a 'dev' or 'nightly' version of rustc.
[INFO] [stderr]   Installed version: 1.56.0 (2021-09-07)
[INFO] [stderr]   Minimum required:  1.35.0-nightly (2019-04-05)
[INFO] [stderr]   See the getting started guide (https://rocket.rs/v0.5/guide/getting-started/) for more information.
[INFO] [stderr]   thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.2/build.rs:29:13
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5593e440d1fc - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5593e440d1fc - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5593e440d1fc - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5593e440d1fc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5593e442ae0c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stderr]      5:     0x5593e440a695 - std::io::Write::write_fmt::h1d5220480c7a2437
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x5593e440e8f0 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5593e440e8f0 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5593e440e8f0 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x5593e440e4a7 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x5593e440efa4 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x5593e43d6a0e - std::panicking::begin_panic::{{closure}}::h6de88d04aa002ba7
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:544:9
[INFO] [stderr]     12:     0x5593e43d6668 - std::sys_common::backtrace::__rust_end_short_backtrace::h1403d64f128433f8
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5593e43d694f - std::panicking::begin_panic::he099af44174c7f65
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:543:12
[INFO] [stderr]     14:     0x5593e43d5941 - build_script_build::main::h3a92d1d6b7347f0d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.2/build.rs:29:13
[INFO] [stderr]     15:     0x5593e43d639b - core::ops::function::FnOnce::call_once::h5ee7d2cdf0e3f19d
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x5593e43d66ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h7da1dbb98392bb08
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x5593e43d6291 - std::rt::lang_start::{{closure}}::h92ffe51f29db30c7
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:63:18
[INFO] [stderr]     18:     0x5593e440f4aa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc590b210ed55e22f
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x5593e440f4aa - std::panicking::try::do_call::h5f0600b7a33ea1af
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stderr]     20:     0x5593e440f4aa - std::panicking::try::he15826df0f376a33
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stderr]     21:     0x5593e440f4aa - std::panic::catch_unwind::hd8af3a578b6b4c86
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stderr]     22:     0x5593e440f4aa - std::rt::lang_start_internal::{{closure}}::h301d1329324ae1f0
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:48
[INFO] [stderr]     23:     0x5593e440f4aa - std::panicking::try::do_call::h941e8fdb0bd03655
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stderr]     24:     0x5593e440f4aa - std::panicking::try::ha20a77bf65530f63
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stderr]     25:     0x5593e440f4aa - std::panic::catch_unwind::h33afc061cc69ef90
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stderr]     26:     0x5593e440f4aa - std::rt::lang_start_internal::hc05c244593147106
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:20
[INFO] [stderr]     27:     0x5593e43d6260 - std::rt::lang_start::he458c76261c110e3
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:62:5
[INFO] [stderr]     28:     0x5593e43d5f7c - main
[INFO] [stderr]     29:     0x7fdba8ec30b3 - __libc_start_main
[INFO] [stderr]     30:     0x5593e43d492e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a9b19e6ebe4cccd01181261c6e87a3084aadd235bc07f63ccc2795bb84ffcbb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b19e6ebe4cccd01181261c6e87a3084aadd235bc07f63ccc2795bb84ffcbb7", kill_on_drop: false }`
[INFO] [stdout] a9b19e6ebe4cccd01181261c6e87a3084aadd235bc07f63ccc2795bb84ffcbb7