[INFO] fetching crate flowlang 0.2.17...
[INFO] checking flowlang-0.2.17 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate flowlang 0.2.17 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate flowlang 0.2.17 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 flowlang 0.2.17
[INFO] finished tweaking crates.io crate flowlang 0.2.17
[INFO] tweaked toml for crates.io crate flowlang 0.2.17 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate flowlang 0.2.17 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.6.3
[INFO] [stderr]   Downloaded deno_ops v0.23.0
[INFO] [stderr]   Downloaded serde_bytes v0.11.12
[INFO] [stderr]   Downloaded pyo3-macros v0.16.6
[INFO] [stderr]   Downloaded fslock v0.1.8
[INFO] [stderr]   Downloaded home v0.5.5
[INFO] [stderr]   Downloaded sourcemap v6.0.1
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.16.6
[INFO] [stderr]   Downloaded thiserror-impl v1.0.48
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.6
[INFO] [stderr]   Downloaded aho-corasick v1.0.5
[INFO] [stderr]   Downloaded pyo3 v0.16.6
[INFO] [stderr]   Downloaded rustix v0.38.13
[INFO] [stderr]   Downloaded regex-automata v0.3.8
[INFO] [stderr]   Downloaded regex v1.9.5
[INFO] [stderr]   Downloaded syn v2.0.35
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.7
[INFO] [stderr]   Downloaded thiserror v1.0.48
[INFO] [stderr]   Downloaded ndata v0.3.6
[INFO] [stderr]   Downloaded target-lexicon v0.12.11
[INFO] [stderr]   Downloaded pyo3-build-config v0.16.6
[INFO] [stderr]   Downloaded serde_v8 v0.56.0
[INFO] [stderr]   Downloaded deno_core v0.145.0
[INFO] [stderr]   Downloaded v8 v0.47.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0ff4272d3b8200cc4e0d60eef549250bb16f2810c6315d7e6ab7340dbf4581d3
[INFO] running `Command { std: "docker" "start" "-a" "0ff4272d3b8200cc4e0d60eef549250bb16f2810c6315d7e6ab7340dbf4581d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff4272d3b8200cc4e0d60eef549250bb16f2810c6315d7e6ab7340dbf4581d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff4272d3b8200cc4e0d60eef549250bb16f2810c6315d7e6ab7340dbf4581d3", kill_on_drop: false }`
[INFO] [stdout] 0ff4272d3b8200cc4e0d60eef549250bb16f2810c6315d7e6ab7340dbf4581d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f1bebd641f206b7f843b3b1a15ee1c714eb182b0b87def3f5b2b164718bce421
[INFO] running `Command { std: "docker" "start" "-a" "f1bebd641f206b7f843b3b1a15ee1c714eb182b0b87def3f5b2b164718bce421", kill_on_drop: false }`
[INFO] [stderr]     Checking state v0.5.3
[INFO] [stderr]     Checking ndata v0.3.6
[INFO] [stderr]     Checking flowlang v0.2.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "f1bebd641f206b7f843b3b1a15ee1c714eb182b0b87def3f5b2b164718bce421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1bebd641f206b7f843b3b1a15ee1c714eb182b0b87def3f5b2b164718bce421", kill_on_drop: false }`
[INFO] [stdout] f1bebd641f206b7f843b3b1a15ee1c714eb182b0b87def3f5b2b164718bce421
[INFO] checking flowlang-0.2.17 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate flowlang 0.2.17 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate flowlang 0.2.17 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 flowlang 0.2.17
[INFO] finished tweaking crates.io crate flowlang 0.2.17
[INFO] tweaked toml for crates.io crate flowlang 0.2.17 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate flowlang 0.2.17 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d22eeec5fcb3c289489ec5175661db54575e8c71a7d54deba54e7451ffc8ac93
[INFO] running `Command { std: "docker" "start" "-a" "d22eeec5fcb3c289489ec5175661db54575e8c71a7d54deba54e7451ffc8ac93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d22eeec5fcb3c289489ec5175661db54575e8c71a7d54deba54e7451ffc8ac93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22eeec5fcb3c289489ec5175661db54575e8c71a7d54deba54e7451ffc8ac93", kill_on_drop: false }`
[INFO] [stdout] d22eeec5fcb3c289489ec5175661db54575e8c71a7d54deba54e7451ffc8ac93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c39108004aa70f0476cabfa5f2dd2124c8c113923863202f5126cd805a7d3049
[INFO] running `Command { std: "docker" "start" "-a" "c39108004aa70f0476cabfa5f2dd2124c8c113923863202f5126cd805a7d3049", kill_on_drop: false }`
[INFO] [stderr]     Checking state v0.5.3
[INFO] [stderr]     Checking ndata v0.3.6
[INFO] [stderr]     Checking flowlang v0.2.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "c39108004aa70f0476cabfa5f2dd2124c8c113923863202f5126cd805a7d3049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39108004aa70f0476cabfa5f2dd2124c8c113923863202f5126cd805a7d3049", kill_on_drop: false }`
[INFO] [stdout] c39108004aa70f0476cabfa5f2dd2124c8c113923863202f5126cd805a7d3049