[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyren%2Fluster" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kyren/luster on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded synstructure v0.12.5
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded rustyline v5.0.6
[INFO] [stderr]   Downloaded gc-arena v0.2.2
[INFO] [stderr]   Downloaded gc-arena-derive v0.2.2
[INFO] [stderr]   Downloaded gc-sequence v0.2.2
[INFO] running `Command { std: "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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0330544894ef2fcb7d0d90d092a11ea00188b7fe8f54b4650cc3fb14b5a1dc9
[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" "c0330544894ef2fcb7d0d90d092a11ea00188b7fe8f54b4650cc3fb14b5a1dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0330544894ef2fcb7d0d90d092a11ea00188b7fe8f54b4650cc3fb14b5a1dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0330544894ef2fcb7d0d90d092a11ea00188b7fe8f54b4650cc3fb14b5a1dc9", kill_on_drop: false }`
[INFO] [stdout] c0330544894ef2fcb7d0d90d092a11ea00188b7fe8f54b4650cc3fb14b5a1dc9
[INFO] running `Command { std: "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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e982787af95212848f07b6152fa135c073586d08426e4422333a6825c2e1f4dc
[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" "e982787af95212848f07b6152fa135c073586d08426e4422333a6825c2e1f4dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.73
[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 v0.12.5
[INFO] [stderr]    Compiling rustyline v5.0.6
[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 34.42s
[INFO] running `Command { std: "docker" "inspect" "e982787af95212848f07b6152fa135c073586d08426e4422333a6825c2e1f4dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e982787af95212848f07b6152fa135c073586d08426e4422333a6825c2e1f4dc", kill_on_drop: false }`
[INFO] [stdout] e982787af95212848f07b6152fa135c073586d08426e4422333a6825c2e1f4dc
[INFO] running `Command { std: "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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f873590e963b7d977ee65daa344f7cf4a72002b3da7d652f517c8e861cd9ba94
[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" "f873590e963b7d977ee65daa344f7cf4a72002b3da7d652f517c8e861cd9ba94", kill_on_drop: false }`
[INFO] [stderr]    Compiling luster v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "f873590e963b7d977ee65daa344f7cf4a72002b3da7d652f517c8e861cd9ba94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f873590e963b7d977ee65daa344f7cf4a72002b3da7d652f517c8e861cd9ba94", kill_on_drop: false }`
[INFO] [stdout] f873590e963b7d977ee65daa344f7cf4a72002b3da7d652f517c8e861cd9ba94
[INFO] running `Command { std: "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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5ac38d0be16c1a479d151a323f5ad4d5ec4e88be081626a11851f0556274efae
[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" "5ac38d0be16c1a479d151a323f5ad4d5ec4e88be081626a11851f0556274efae", 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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/compiler-4b4c6bb3d92345dc)
[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] [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 tests/callback.rs (/opt/rustwide/target/debug/deps/callback-662b5c101d7d56bb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test callback ... ok
[INFO] [stdout] test tail_call_trivial_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] [stderr]      Running tests/error.rs (/opt/rustwide/target/debug/deps/error-f0d3d9c032986440)
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/io.rs (/opt/rustwide/target/debug/deps/io-5beac771e965d4ff)
[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; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lexer.rs (/opt/rustwide/target/debug/deps/lexer-5b0e2b8be37004b9)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test comments ... ok
[INFO] [stdout] test long_string ... ok
[INFO] [stdout] test ops ... ok
[INFO] [stdout] test words ... ok
[INFO] [stdout] test short_string ... ok
[INFO] [stdout] test numerals ... 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] [stderr]      Running tests/parser.rs (/opt/rustwide/target/debug/deps/parser-dbdb7f21d4261677)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/suite.rs (/opt/rustwide/target/debug/deps/suite-813586ae3c48e7f8)
[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 0.55s
[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" "5ac38d0be16c1a479d151a323f5ad4d5ec4e88be081626a11851f0556274efae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac38d0be16c1a479d151a323f5ad4d5ec4e88be081626a11851f0556274efae", kill_on_drop: false }`
[INFO] [stdout] 5ac38d0be16c1a479d151a323f5ad4d5ec4e88be081626a11851f0556274efae