[INFO] cloning repository https://github.com/gsps/l3-llvm-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gsps/l3-llvm-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsps%2Fl3-llvm-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsps%2Fl3-llvm-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d587de7e47885d6823095fd7fc95dcb4a2b9507d
[INFO] checking gsps/l3-llvm-backend against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsps%2Fl3-llvm-backend" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gsps/l3-llvm-backend on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gsps/l3-llvm-backend
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/gsps/l3-llvm-backend
[INFO] tweaked toml for git repo https://github.com/gsps/l3-llvm-backend written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gsps/l3-llvm-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/TheDan64/inkwell`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v1.0.1
[INFO] [stderr]   Downloaded predicates v1.0.4
[INFO] [stderr]   Downloaded llvm-sys v60.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08f1c49c442676f77772aa68b7c05ebc7eef221ed77bda026efdc7192f442b72
[INFO] running `Command { std: "docker" "start" "-a" "08f1c49c442676f77772aa68b7c05ebc7eef221ed77bda026efdc7192f442b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08f1c49c442676f77772aa68b7c05ebc7eef221ed77bda026efdc7192f442b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f1c49c442676f77772aa68b7c05ebc7eef221ed77bda026efdc7192f442b72", kill_on_drop: false }`
[INFO] [stdout] 08f1c49c442676f77772aa68b7c05ebc7eef221ed77bda026efdc7192f442b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acbb1997044a1bdfa3d0d0eeaecc1657320778102a31f1ad41f8cbfeddb77068
[INFO] running `Command { std: "docker" "start" "-a" "acbb1997044a1bdfa3d0d0eeaecc1657320778102a31f1ad41f8cbfeddb77068", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm6-0#c783dd08)
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking l3_llvm_runtime v0.1.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling llvm-sys v60.4.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling inkwell_internals v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm6-0#c783dd08)
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking l3-llvm-backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.62s
[INFO] running `Command { std: "docker" "inspect" "acbb1997044a1bdfa3d0d0eeaecc1657320778102a31f1ad41f8cbfeddb77068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbb1997044a1bdfa3d0d0eeaecc1657320778102a31f1ad41f8cbfeddb77068", kill_on_drop: false }`
[INFO] [stdout] acbb1997044a1bdfa3d0d0eeaecc1657320778102a31f1ad41f8cbfeddb77068
[INFO] checking gsps/l3-llvm-backend against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsps%2Fl3-llvm-backend" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gsps/l3-llvm-backend on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gsps/l3-llvm-backend
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/gsps/l3-llvm-backend
[INFO] tweaked toml for git repo https://github.com/gsps/l3-llvm-backend written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gsps/l3-llvm-backend already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 855adda273c4f480496ebeef8f129f5d98e35f681d7419ef7a30479972995167
[INFO] running `Command { std: "docker" "start" "-a" "855adda273c4f480496ebeef8f129f5d98e35f681d7419ef7a30479972995167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "855adda273c4f480496ebeef8f129f5d98e35f681d7419ef7a30479972995167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855adda273c4f480496ebeef8f129f5d98e35f681d7419ef7a30479972995167", kill_on_drop: false }`
[INFO] [stdout] 855adda273c4f480496ebeef8f129f5d98e35f681d7419ef7a30479972995167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac84dd2b6d125df051437826010efd922041650f5c3aa53e88eaf4e29b75ee7
[INFO] running `Command { std: "docker" "start" "-a" "2ac84dd2b6d125df051437826010efd922041650f5c3aa53e88eaf4e29b75ee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm6-0#c783dd08)
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking l3_llvm_runtime v0.1.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling llvm-sys v60.4.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling inkwell_internals v0.1.0 (https://github.com/TheDan64/inkwell?branch=llvm6-0#c783dd08)
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking l3-llvm-backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.24s
[INFO] running `Command { std: "docker" "inspect" "2ac84dd2b6d125df051437826010efd922041650f5c3aa53e88eaf4e29b75ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac84dd2b6d125df051437826010efd922041650f5c3aa53e88eaf4e29b75ee7", kill_on_drop: false }`
[INFO] [stdout] 2ac84dd2b6d125df051437826010efd922041650f5c3aa53e88eaf4e29b75ee7