[INFO] cloning repository https://github.com/zack-bitcoin/forth-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zack-bitcoin/forth-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzack-bitcoin%2Fforth-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzack-bitcoin%2Fforth-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e376b373e6588c70a302b6b5b3875c757334823
[INFO] checking zack-bitcoin/forth-in-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzack-bitcoin%2Fforth-in-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zack-bitcoin/forth-in-rust 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/zack-bitcoin/forth-in-rust
[INFO] finished tweaking git repo https://github.com/zack-bitcoin/forth-in-rust
[INFO] tweaked toml for git repo https://github.com/zack-bitcoin/forth-in-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zack-bitcoin/forth-in-rust 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] warning: path `/workspace/builds/worker-2-tc1/source/src/vm.rs` was erroneously implicitly accepted for binary `vm`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c1d027ffd5179c633dd86ca86874b70549de37b6a46f2bb473509f1bd4f6f9f9
[INFO] running `Command { std: "docker" "start" "-a" "c1d027ffd5179c633dd86ca86874b70549de37b6a46f2bb473509f1bd4f6f9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1d027ffd5179c633dd86ca86874b70549de37b6a46f2bb473509f1bd4f6f9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d027ffd5179c633dd86ca86874b70549de37b6a46f2bb473509f1bd4f6f9f9", kill_on_drop: false }`
[INFO] [stdout] c1d027ffd5179c633dd86ca86874b70549de37b6a46f2bb473509f1bd4f6f9f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f5c04d99a5fc049b5e2163d4ff3507e69d3caa38c9c4563071bd0e8f4c21ec46
[INFO] running `Command { std: "docker" "start" "-a" "f5c04d99a5fc049b5e2163d4ff3507e69d3caa38c9c4563071bd0e8f4c21ec46", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/vm.rs` was erroneously implicitly accepted for binary `vm`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Checking forth-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "f5c04d99a5fc049b5e2163d4ff3507e69d3caa38c9c4563071bd0e8f4c21ec46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c04d99a5fc049b5e2163d4ff3507e69d3caa38c9c4563071bd0e8f4c21ec46", kill_on_drop: false }`
[INFO] [stdout] f5c04d99a5fc049b5e2163d4ff3507e69d3caa38c9c4563071bd0e8f4c21ec46
[INFO] checking zack-bitcoin/forth-in-rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzack-bitcoin%2Fforth-in-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zack-bitcoin/forth-in-rust 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/zack-bitcoin/forth-in-rust
[INFO] finished tweaking git repo https://github.com/zack-bitcoin/forth-in-rust
[INFO] tweaked toml for git repo https://github.com/zack-bitcoin/forth-in-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zack-bitcoin/forth-in-rust 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] [stderr] warning: path `/workspace/builds/worker-2-tc2/source/src/vm.rs` was erroneously implicitly accepted for binary `vm`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6ae2b211e08585d40f48f0cfca5070ff97b4574b1eaf64d9da2dc4087afcebc8
[INFO] running `Command { std: "docker" "start" "-a" "6ae2b211e08585d40f48f0cfca5070ff97b4574b1eaf64d9da2dc4087afcebc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae2b211e08585d40f48f0cfca5070ff97b4574b1eaf64d9da2dc4087afcebc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae2b211e08585d40f48f0cfca5070ff97b4574b1eaf64d9da2dc4087afcebc8", kill_on_drop: false }`
[INFO] [stdout] 6ae2b211e08585d40f48f0cfca5070ff97b4574b1eaf64d9da2dc4087afcebc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9c6c7200a37ae551eb493323c0f83abeb908b748c3debd5b6e03a2fb3611e5f1
[INFO] running `Command { std: "docker" "start" "-a" "9c6c7200a37ae551eb493323c0f83abeb908b748c3debd5b6e03a2fb3611e5f1", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/vm.rs` was erroneously implicitly accepted for binary `vm`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Checking forth-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "9c6c7200a37ae551eb493323c0f83abeb908b748c3debd5b6e03a2fb3611e5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6c7200a37ae551eb493323c0f83abeb908b748c3debd5b6e03a2fb3611e5f1", kill_on_drop: false }`
[INFO] [stdout] 9c6c7200a37ae551eb493323c0f83abeb908b748c3debd5b6e03a2fb3611e5f1