[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#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[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 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dca758db6a82bd40c29e260f2db35a38c05f27caf6d1cfdaeb62894e631a105d
[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" "dca758db6a82bd40c29e260f2db35a38c05f27caf6d1cfdaeb62894e631a105d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca758db6a82bd40c29e260f2db35a38c05f27caf6d1cfdaeb62894e631a105d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca758db6a82bd40c29e260f2db35a38c05f27caf6d1cfdaeb62894e631a105d", kill_on_drop: false }`
[INFO] [stdout] dca758db6a82bd40c29e260f2db35a38c05f27caf6d1cfdaeb62894e631a105d
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--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] a2ea06f7a4ffebe1a47fc3081a49472139a1207b691981a193658c8f2812ba7c
[INFO] running `Command { std: "docker" "start" "-a" "a2ea06f7a4ffebe1a47fc3081a49472139a1207b691981a193658c8f2812ba7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[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 quote v1.0.9
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling rustyline v5.0.6
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling gc-arena-derive v0.2.2
[INFO] [stderr]    Compiling gc-arena v0.2.2
[INFO] [stderr]    Compiling gc-sequence v0.2.2
[INFO] [stderr]    Compiling luster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.78s
[INFO] running `Command { std: "docker" "inspect" "a2ea06f7a4ffebe1a47fc3081a49472139a1207b691981a193658c8f2812ba7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ea06f7a4ffebe1a47fc3081a49472139a1207b691981a193658c8f2812ba7c", kill_on_drop: false }`
[INFO] [stdout] a2ea06f7a4ffebe1a47fc3081a49472139a1207b691981a193658c8f2812ba7c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce8d00cc1ca609aef7bd66c65bbd97dd6f17e89ff434fec83173e0a76287b076
[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" "ce8d00cc1ca609aef7bd66c65bbd97dd6f17e89ff434fec83173e0a76287b076", kill_on_drop: false }`
[INFO] [stderr]    Compiling luster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `Command { std: "docker" "inspect" "ce8d00cc1ca609aef7bd66c65bbd97dd6f17e89ff434fec83173e0a76287b076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8d00cc1ca609aef7bd66c65bbd97dd6f17e89ff434fec83173e0a76287b076", kill_on_drop: false }`
[INFO] [stdout] ce8d00cc1ca609aef7bd66c65bbd97dd6f17e89ff434fec83173e0a76287b076
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35a49a1532b94ac61dbfe757485daba37615b26fa803863c26dbb9af1aa15d0d
[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" "35a49a1532b94ac61dbfe757485daba37615b26fa803863c26dbb9af1aa15d0d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luster-c7a60a2a779d2add)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/compiler-4b4c6bb3d92345dc)
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/luster-1428e3f1de36a366)
[INFO] [stderr]      Running tests/callback.rs (/opt/rustwide/target/debug/deps/callback-662b5c101d7d56bb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/error.rs (/opt/rustwide/target/debug/deps/error-f0d3d9c032986440)
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test error_unwind ... ok
[INFO] [stderr]      Running tests/io.rs (/opt/rustwide/target/debug/deps/io-5beac771e965d4ff)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/lexer.rs (/opt/rustwide/target/debug/deps/lexer-5b0e2b8be37004b9)
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running tests/parser.rs (/opt/rustwide/target/debug/deps/parser-dbdb7f21d4261677)
[INFO] [stdout] test ops ... ok
[INFO] [stdout] test long_string ... ok
[INFO] [stdout] test comments ... ok
[INFO] [stdout] test words ... ok
[INFO] [stdout] test numerals ... ok
[INFO] [stdout] test short_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_function_call ... ok
[INFO] [stderr]      Running tests/suite.rs (/opt/rustwide/target/debug/deps/suite-813586ae3c48e7f8)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] parsing all files in './tests/parsing'
[INFO] [stdout] test test_suite_parsing ... ok
[INFO] [stdout] running all files in './tests/running'
[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/for.lua"
[INFO] [stdout] running file "./tests/running/multi.lua"
[INFO] [stdout] running file "./tests/running/math.lua"
[INFO] [stdout] running file "./tests/running/environment.lua"
[INFO] [stdout] running file "./tests/running/string.lua"
[INFO] [stdout] running file "./tests/running/table.lua"
[INFO] [stdout] running file "./tests/running/methods.lua"
[INFO] [stdout] running file "./tests/running/expression_order.lua"
[INFO] [stdout] running file "./tests/running/goto.lua"
[INFO] [stdout] running file "./tests/running/basic.lua"
[INFO] [stdout] running file "./tests/running/repeat.lua"
[INFO] [stdout] running file "./tests/running/varargs.lua"
[INFO] [stdout] running file "./tests/running/jumps_close_upvalues.lua"
[INFO] [stdout] running file "./tests/running/bit.lua"
[INFO] [stdout] running file "./tests/running/tailcall.lua"
[INFO] [stdout] running file "./tests/running/while.lua"
[INFO] [stdout] running file "./tests/running/operators.lua"
[INFO] [stdout] running file "./tests/running/upvalues.lua"
[INFO] [stdout] running file "./tests/running/if.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; finished in 1.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35a49a1532b94ac61dbfe757485daba37615b26fa803863c26dbb9af1aa15d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a49a1532b94ac61dbfe757485daba37615b26fa803863c26dbb9af1aa15d0d", kill_on_drop: false }`
[INFO] [stdout] 35a49a1532b94ac61dbfe757485daba37615b26fa803863c26dbb9af1aa15d0d