[INFO] fetching crate hot-cli 0.1.0...
[INFO] checking hot-cli-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate hot-cli 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate hot-cli 0.1.0 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 crates.io crate hot-cli 0.1.0
[INFO] finished tweaking crates.io crate hot-cli 0.1.0
[INFO] tweaked toml for crates.io crate hot-cli 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate hot-cli 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded signal-hook v0.3.14
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c454528df62150ad694c200324e5433bdfd7e1316a58d311a8b95809ee503ee5
[INFO] running `Command { std: "docker" "start" "-a" "c454528df62150ad694c200324e5433bdfd7e1316a58d311a8b95809ee503ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c454528df62150ad694c200324e5433bdfd7e1316a58d311a8b95809ee503ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c454528df62150ad694c200324e5433bdfd7e1316a58d311a8b95809ee503ee5", kill_on_drop: false }`
[INFO] [stdout] c454528df62150ad694c200324e5433bdfd7e1316a58d311a8b95809ee503ee5
[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" "-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] 8bda95c29cd0956fa041125a59c810766c3906d81a856c83e84a2658d41d0f4d
[INFO] running `Command { std: "docker" "start" "-a" "8bda95c29cd0956fa041125a59c810766c3906d81a856c83e84a2658d41d0f4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking hot-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "8bda95c29cd0956fa041125a59c810766c3906d81a856c83e84a2658d41d0f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bda95c29cd0956fa041125a59c810766c3906d81a856c83e84a2658d41d0f4d", kill_on_drop: false }`
[INFO] [stdout] 8bda95c29cd0956fa041125a59c810766c3906d81a856c83e84a2658d41d0f4d
[INFO] checking hot-cli-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate hot-cli 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate hot-cli 0.1.0 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 crates.io crate hot-cli 0.1.0
[INFO] finished tweaking crates.io crate hot-cli 0.1.0
[INFO] tweaked toml for crates.io crate hot-cli 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate hot-cli 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1baccf105d5c49b021e83ea6b024fc3aa25545d5dbfc0afd2b058f5a894e73f6
[INFO] running `Command { std: "docker" "start" "-a" "1baccf105d5c49b021e83ea6b024fc3aa25545d5dbfc0afd2b058f5a894e73f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1baccf105d5c49b021e83ea6b024fc3aa25545d5dbfc0afd2b058f5a894e73f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1baccf105d5c49b021e83ea6b024fc3aa25545d5dbfc0afd2b058f5a894e73f6", kill_on_drop: false }`
[INFO] [stdout] 1baccf105d5c49b021e83ea6b024fc3aa25545d5dbfc0afd2b058f5a894e73f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d9a11607477a7c66aa64b165f78090f79a00372498a061e8a406d74e4c11f9f4
[INFO] running `Command { std: "docker" "start" "-a" "d9a11607477a7c66aa64b165f78090f79a00372498a061e8a406d74e4c11f9f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking hot-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "d9a11607477a7c66aa64b165f78090f79a00372498a061e8a406d74e4c11f9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a11607477a7c66aa64b165f78090f79a00372498a061e8a406d74e4c11f9f4", kill_on_drop: false }`
[INFO] [stdout] d9a11607477a7c66aa64b165f78090f79a00372498a061e8a406d74e4c11f9f4