[INFO] cloning repository https://github.com/dmitrii-ubskii/antlr-rust-all-issue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmitrii-ubskii/antlr-rust-all-issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmitrii-ubskii%2Fantlr-rust-all-issue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmitrii-ubskii%2Fantlr-rust-all-issue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d4c0e5c7c38154e281522d41ed9501058cee2ef
[INFO] checking dmitrii-ubskii/antlr-rust-all-issue against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmitrii-ubskii%2Fantlr-rust-all-issue" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmitrii-ubskii/antlr-rust-all-issue on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmitrii-ubskii/antlr-rust-all-issue
[INFO] finished tweaking git repo https://github.com/dmitrii-ubskii/antlr-rust-all-issue
[INFO] tweaked toml for git repo https://github.com/dmitrii-ubskii/antlr-rust-all-issue written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dmitrii-ubskii/antlr-rust-all-issue 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded better_any v0.2.0-dev.1
[INFO] [stderr]   Downloaded antlr-rust v0.3.0-beta
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bad10592e336a858db53a7c9b0619ee0d7d30c64c64b46edacfb04229e1384ec
[INFO] running `Command { std: "docker" "start" "-a" "bad10592e336a858db53a7c9b0619ee0d7d30c64c64b46edacfb04229e1384ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bad10592e336a858db53a7c9b0619ee0d7d30c64c64b46edacfb04229e1384ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad10592e336a858db53a7c9b0619ee0d7d30c64c64b46edacfb04229e1384ec", kill_on_drop: false }`
[INFO] [stdout] bad10592e336a858db53a7c9b0619ee0d7d30c64c64b46edacfb04229e1384ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 102418abf05b7c085f49f4996b531e8bf928e03fc08c90dbaa69bad8bd9deab8
[INFO] running `Command { std: "docker" "start" "-a" "102418abf05b7c085f49f4996b531e8bf928e03fc08c90dbaa69bad8bd9deab8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking better_any v0.2.0-dev.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking murmur3 v0.4.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking antlr-rust v0.3.0-beta
[INFO] [stderr]     Checking antlr-issue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "102418abf05b7c085f49f4996b531e8bf928e03fc08c90dbaa69bad8bd9deab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102418abf05b7c085f49f4996b531e8bf928e03fc08c90dbaa69bad8bd9deab8", kill_on_drop: false }`
[INFO] [stdout] 102418abf05b7c085f49f4996b531e8bf928e03fc08c90dbaa69bad8bd9deab8