[INFO] cloning repository https://github.com/AcrylicShrimp/titi-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AcrylicShrimp/titi-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcrylicShrimp%2Ftiti-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcrylicShrimp%2Ftiti-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0695e659666756afacdfa15107564aac3f3afce9
[INFO] building AcrylicShrimp/titi-lang against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcrylicShrimp%2Ftiti-lang" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AcrylicShrimp/titi-lang on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AcrylicShrimp/titi-lang
[INFO] finished tweaking git repo https://github.com/AcrylicShrimp/titi-lang
[INFO] tweaked toml for git repo https://github.com/AcrylicShrimp/titi-lang written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AcrylicShrimp/titi-lang 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.8.3
[INFO] [stderr]   Downloaded lock_api v0.4.4
[INFO] [stderr]   Downloaded instant v0.1.10
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded redox_syscall v0.2.9
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2017003ebe3ac972077a9a683563da8dde36e5ef88af56c5bab087ae4d3302ab
[INFO] running `Command { std: "docker" "start" "-a" "2017003ebe3ac972077a9a683563da8dde36e5ef88af56c5bab087ae4d3302ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2017003ebe3ac972077a9a683563da8dde36e5ef88af56c5bab087ae4d3302ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2017003ebe3ac972077a9a683563da8dde36e5ef88af56c5bab087ae4d3302ab", kill_on_drop: false }`
[INFO] [stdout] 2017003ebe3ac972077a9a683563da8dde36e5ef88af56c5bab087ae4d3302ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c01e4bb989d5f8a3ad2f1fff4be08ced4ee95c58a2ee1181e5f38d4b5301348d
[INFO] running `Command { std: "docker" "start" "-a" "c01e4bb989d5f8a3ad2f1fff4be08ced4ee95c58a2ee1181e5f38d4b5301348d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling span v0.0.1 (/opt/rustwide/workdir/src/span)
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling str_interner v0.0.1 (/opt/rustwide/workdir/src/str_interner)
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling low_lexer v0.0.1 (/opt/rustwide/workdir/src/low_lexer)
[INFO] [stderr]    Compiling diagnostic v0.0.1 (/opt/rustwide/workdir/src/diagnostic)
[INFO] [stderr]    Compiling high_lexer v0.0.1 (/opt/rustwide/workdir/src/high_lexer)
[INFO] [stderr]    Compiling ast v0.0.1 (/opt/rustwide/workdir/src/ast)
[INFO] [stderr]    Compiling parser v0.0.1 (/opt/rustwide/workdir/src/parser)
[INFO] [stderr]    Compiling titi-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "c01e4bb989d5f8a3ad2f1fff4be08ced4ee95c58a2ee1181e5f38d4b5301348d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01e4bb989d5f8a3ad2f1fff4be08ced4ee95c58a2ee1181e5f38d4b5301348d", kill_on_drop: false }`
[INFO] [stdout] c01e4bb989d5f8a3ad2f1fff4be08ced4ee95c58a2ee1181e5f38d4b5301348d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 064b5e0b6c8d381ef854fcd535547e855489172e42b1b23ef00211df3e819ef4
[INFO] running `Command { std: "docker" "start" "-a" "064b5e0b6c8d381ef854fcd535547e855489172e42b1b23ef00211df3e819ef4", kill_on_drop: false }`
[INFO] [stderr]    Compiling titi-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "064b5e0b6c8d381ef854fcd535547e855489172e42b1b23ef00211df3e819ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "064b5e0b6c8d381ef854fcd535547e855489172e42b1b23ef00211df3e819ef4", kill_on_drop: false }`
[INFO] [stdout] 064b5e0b6c8d381ef854fcd535547e855489172e42b1b23ef00211df3e819ef4