[INFO] cloning repository https://github.com/robert-wallis/amethyst-pong-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robert-wallis/amethyst-pong-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-wallis%2Famethyst-pong-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-wallis%2Famethyst-pong-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dc1583ae82e389b29f392a12a3d08aea561f433
[INFO] checking robert-wallis/amethyst-pong-tutorial against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-wallis%2Famethyst-pong-tutorial" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robert-wallis/amethyst-pong-tutorial on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robert-wallis/amethyst-pong-tutorial
[INFO] finished tweaking git repo https://github.com/robert-wallis/amethyst-pong-tutorial
[INFO] tweaked toml for git repo https://github.com/robert-wallis/amethyst-pong-tutorial written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/robert-wallis/amethyst-pong-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21e2045614972ff97510cf39cc17736d8098ca7e4bafb30c82a7d0afa53b3399
[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" "21e2045614972ff97510cf39cc17736d8098ca7e4bafb30c82a7d0afa53b3399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21e2045614972ff97510cf39cc17736d8098ca7e4bafb30c82a7d0afa53b3399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e2045614972ff97510cf39cc17736d8098ca7e4bafb30c82a7d0afa53b3399", kill_on_drop: false }`
[INFO] [stdout] 21e2045614972ff97510cf39cc17736d8098ca7e4bafb30c82a7d0afa53b3399
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--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] c9805e921243cd2a0ad23442227cfa1e92d84f5e96a99ad96e07cb842a0d6a5f
[INFO] running `Command { std: "docker" "start" "-a" "c9805e921243cd2a0ad23442227cfa1e92d84f5e96a99ad96e07cb842a0d6a5f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling parking_lot_core v0.3.1
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[INFO] [stderr]     Checking rustc_version v0.2.3
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[INFO] [stderr]    Compiling syn v0.13.11
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[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
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[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking intl_pluralrules v1.0.2
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-ecb619728eb312ae/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5583b7146d77 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5583b7146d77 - std::backtrace_rs::backtrace::trace_unsynchronized::h84373278bfb39e0c
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5583b7146d77 - std::sys_common::backtrace::_print_fmt::h517324efde750597
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5583b7146d77 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf594ab77fac89284
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5583b71614dc - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x5583b7144602 - std::io::Write::write_fmt::h3f6656f045fa877f
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x5583b7148aa5 - std::sys_common::backtrace::_print::hda7655c057c24dcc
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5583b7148aa5 - std::sys_common::backtrace::print::h546a6c8431d46287
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5583b7148aa5 - std::panicking::default_hook::{{closure}}::h006dd083853faf51
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5583b7148603 - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5583b7149241 - std::panicking::rust_panic_with_hook::hb7a19826c029b1d6
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x5583b7148d87 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x5583b714723c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5583b7148ce9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5583b71608b1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5583b71606d3 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x5583b710beeb - core::result::Result<T,E>::unwrap::h38cbba9253f939f6
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x5583b710873c - build_script_build::main::hc61f99cabfc3fbe6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17
[INFO] [stderr]     18:     0x5583b710a12b - core::ops::function::FnOnce::call_once::hc6289ebcf34d59eb
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5583b7109ffe - std::sys_common::backtrace::__rust_begin_short_backtrace::hcb19ecb843f8e0b0
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x5583b710a571 - std::rt::lang_start::{{closure}}::h553668f830f5336b
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x5583b7149667 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5583b7149667 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x5583b7149667 - std::panicking::try::h77386c66889b2066
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x5583b7149667 - std::panic::catch_unwind::hc55a0d8aadca44f0
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x5583b7149667 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x5583b710a547 - std::rt::lang_start::hb9a8b388b252cc1f
[INFO] [stderr]                                  at /rustc/a609fb45efad59dfd459c76e50899be9f0583b5a/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x5583b71097fa - main
[INFO] [stderr]     28:     0x7fe3b90ac0b3 - __libc_start_main
[INFO] [stderr]     29:     0x5583b71080ae - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c9805e921243cd2a0ad23442227cfa1e92d84f5e96a99ad96e07cb842a0d6a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9805e921243cd2a0ad23442227cfa1e92d84f5e96a99ad96e07cb842a0d6a5f", kill_on_drop: false }`
[INFO] [stdout] c9805e921243cd2a0ad23442227cfa1e92d84f5e96a99ad96e07cb842a0d6a5f