[INFO] cloning repository https://github.com/kyren/luster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyren/luster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyren%2Fluster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyren%2Fluster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05fc0a27c08ef4bded729c4c9e311c5bb46dc363
[INFO] testing kyren/luster against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyren%2Fluster" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kyren/luster on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kyren/luster
[INFO] finished tweaking git repo https://github.com/kyren/luster
[INFO] tweaked toml for git repo https://github.com/kyren/luster written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b931a1af9bbdb25506a285730ca1807e7c8ab2c8324a6a184de6f11b3f56edf
[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" "4b931a1af9bbdb25506a285730ca1807e7c8ab2c8324a6a184de6f11b3f56edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b931a1af9bbdb25506a285730ca1807e7c8ab2c8324a6a184de6f11b3f56edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b931a1af9bbdb25506a285730ca1807e7c8ab2c8324a6a184de6f11b3f56edf", kill_on_drop: false }`
[INFO] [stdout] 4b931a1af9bbdb25506a285730ca1807e7c8ab2c8324a6a184de6f11b3f56edf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 269adf5a24ddd60ca102c9bf48f85732938e2a7f49d375a480ca1c09a37474ce
[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" "269adf5a24ddd60ca102c9bf48f85732938e2a7f49d375a480ca1c09a37474ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling gc-arena-derive v0.2.0
[INFO] [stderr]    Compiling rustyline v5.0.6
[INFO] [stderr]    Compiling gc-arena v0.2.0
[INFO] [stderr]    Compiling gc-sequence v0.2.0
[INFO] [stderr]    Compiling luster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.86s
[INFO] running `Command { std: "docker" "inspect" "269adf5a24ddd60ca102c9bf48f85732938e2a7f49d375a480ca1c09a37474ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269adf5a24ddd60ca102c9bf48f85732938e2a7f49d375a480ca1c09a37474ce", kill_on_drop: false }`
[INFO] [stdout] 269adf5a24ddd60ca102c9bf48f85732938e2a7f49d375a480ca1c09a37474ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d5cce5db7f269757ba9324d84d55e3389be47ad269e10c44e0e068cf8e45c95
[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" "6d5cce5db7f269757ba9324d84d55e3389be47ad269e10c44e0e068cf8e45c95", kill_on_drop: false }`
[INFO] [stderr]    Compiling luster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.08s
[INFO] running `Command { std: "docker" "inspect" "6d5cce5db7f269757ba9324d84d55e3389be47ad269e10c44e0e068cf8e45c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5cce5db7f269757ba9324d84d55e3389be47ad269e10c44e0e068cf8e45c95", kill_on_drop: false }`
[INFO] [stdout] 6d5cce5db7f269757ba9324d84d55e3389be47ad269e10c44e0e068cf8e45c95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0b052449e6fd50782ca3b3255d72a1e87403637fe1ef6debd74cf19b3ef6df2
[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" "e0b052449e6fd50782ca3b3255d72a1e87403637fe1ef6debd74cf19b3ef6df2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/luster-4ee7b0b6bd5de82c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/compiler-11b546affca67a25
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/luster-ddf2cf70024a7ab2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/callback-3d35cee944bf229a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tail_call_trivial_callback ... ok
[INFO] [stdout] test callback ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/error-1ec16eb75d874bb6
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test error_unwind ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/io-74cd02f0239be8c6
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_skip_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lexer-afbff67e7c69df5b
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test long_string ... ok
[INFO] [stdout] test comments ... ok
[INFO] [stdout] test numerals ... ok
[INFO] [stdout] test words ... ok
[INFO] [stdout] test short_string ... ok
[INFO] [stdout] test ops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parser-be28a7f8f9432b0e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_function_call ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/suite-e9c311b41cee22ce
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] running all files in './tests/running'
[INFO] [stdout] running file "./tests/running/while.lua"
[INFO] [stdout] parsing all files in './tests/parsing'
[INFO] [stdout] test test_suite_parsing ... ok
[INFO] [stdout] running file "./tests/running/goto.lua"
[INFO] [stdout] running file "./tests/running/varargs.lua"
[INFO] [stdout] running file "./tests/running/basic.lua"
[INFO] [stdout] running file "./tests/running/multi.lua"
[INFO] [stdout] running file "./tests/running/bit.lua"
[INFO] [stdout] running file "./tests/running/expression_order.lua"
[INFO] [stdout] running file "./tests/running/operators.lua"
[INFO] [stdout] running file "./tests/running/tailcall.lua"
[INFO] [stdout] running file "./tests/running/if.lua"
[INFO] [stdout] running file "./tests/running/table.lua"
[INFO] [stdout] running file "./tests/running/math.lua"
[INFO] [stdout] running file "./tests/running/string.lua"
[INFO] [stdout] running file "./tests/running/jumps_close_upvalues.lua"
[INFO] [stdout] running file "./tests/running/for.lua"
[INFO] [stdout] running file "./tests/running/environment.lua"
[INFO] [stdout] running file "./tests/running/methods.lua"
[INFO] [stdout] running file "./tests/running/upvalues.lua"
[INFO] [stdout] running file "./tests/running/pcall.lua"
[INFO] [stdout] running file "./tests/running/coroutine.lua"
[INFO] [stdout] running file "./tests/running/scope.lua"
[INFO] [stdout] running file "./tests/running/repeat.lua"
[INFO] [stdout] test test_suite_running ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests luster
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0b052449e6fd50782ca3b3255d72a1e87403637fe1ef6debd74cf19b3ef6df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b052449e6fd50782ca3b3255d72a1e87403637fe1ef6debd74cf19b3ef6df2", kill_on_drop: false }`
[INFO] [stdout] e0b052449e6fd50782ca3b3255d72a1e87403637fe1ef6debd74cf19b3ef6df2