[INFO] fetching crate kaleidoscope-focus 0.1.0...
[INFO] checking kaleidoscope-focus-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate kaleidoscope-focus 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate kaleidoscope-focus 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 kaleidoscope-focus 0.1.0
[INFO] finished tweaking crates.io crate kaleidoscope-focus 0.1.0
[INFO] tweaked toml for crates.io crate kaleidoscope-focus 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding nix v0.26.4 (latest: v0.28.0)
[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 serialport v4.3.0
[INFO] [stderr]   Downloaded indicatif v0.17.8
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded unescaper v0.1.4
[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] 1d9010b0e5022ce2ec7a8fc665e1c2995a1df1d3722229e7f02c1c67b93cd614
[INFO] running `Command { std: "docker" "start" "-a" "1d9010b0e5022ce2ec7a8fc665e1c2995a1df1d3722229e7f02c1c67b93cd614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d9010b0e5022ce2ec7a8fc665e1c2995a1df1d3722229e7f02c1c67b93cd614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9010b0e5022ce2ec7a8fc665e1c2995a1df1d3722229e7f02c1c67b93cd614", kill_on_drop: false }`
[INFO] [stdout] 1d9010b0e5022ce2ec7a8fc665e1c2995a1df1d3722229e7f02c1c67b93cd614
[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] bfce3fb04f5a7e9ddc57ec235b791a14c3163622372b4a327026d6134e0c745c
[INFO] running `Command { std: "docker" "start" "-a" "bfce3fb04f5a7e9ddc57ec235b791a14c3163622372b4a327026d6134e0c745c", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking unescaper v0.1.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking kaleidoscope-focus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "bfce3fb04f5a7e9ddc57ec235b791a14c3163622372b4a327026d6134e0c745c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfce3fb04f5a7e9ddc57ec235b791a14c3163622372b4a327026d6134e0c745c", kill_on_drop: false }`
[INFO] [stdout] bfce3fb04f5a7e9ddc57ec235b791a14c3163622372b4a327026d6134e0c745c
[INFO] checking kaleidoscope-focus-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate kaleidoscope-focus 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate kaleidoscope-focus 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 kaleidoscope-focus 0.1.0
[INFO] finished tweaking crates.io crate kaleidoscope-focus 0.1.0
[INFO] tweaked toml for crates.io crate kaleidoscope-focus 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding nix v0.26.4 (latest: v0.28.0)
[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-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] 2f17e2901b1a9973bdb7a666b93c3ce1f0ba5936e6f02fef99547d9668d14d42
[INFO] running `Command { std: "docker" "start" "-a" "2f17e2901b1a9973bdb7a666b93c3ce1f0ba5936e6f02fef99547d9668d14d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f17e2901b1a9973bdb7a666b93c3ce1f0ba5936e6f02fef99547d9668d14d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f17e2901b1a9973bdb7a666b93c3ce1f0ba5936e6f02fef99547d9668d14d42", kill_on_drop: false }`
[INFO] [stdout] 2f17e2901b1a9973bdb7a666b93c3ce1f0ba5936e6f02fef99547d9668d14d42
[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] b16a0b47cf85aaf6a9c88052a3ca80fe5e0c2b0d32755fe9a3a5553878166bdb
[INFO] running `Command { std: "docker" "start" "-a" "b16a0b47cf85aaf6a9c88052a3ca80fe5e0c2b0d32755fe9a3a5553878166bdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking unescaper v0.1.4
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking serialport v4.3.0
[INFO] [stderr]     Checking kaleidoscope-focus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "b16a0b47cf85aaf6a9c88052a3ca80fe5e0c2b0d32755fe9a3a5553878166bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b16a0b47cf85aaf6a9c88052a3ca80fe5e0c2b0d32755fe9a3a5553878166bdb", kill_on_drop: false }`
[INFO] [stdout] b16a0b47cf85aaf6a9c88052a3ca80fe5e0c2b0d32755fe9a3a5553878166bdb