[INFO] fetching crate jnat 0.11.2...
[INFO] checking jnat-0.11.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate jnat 0.11.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate jnat 0.11.2 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 jnat 0.11.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate jnat 0.11.2
[INFO] tweaked toml for crates.io crate jnat 0.11.2 written to /workspace/builds/worker-7-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 52 packages
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding jni-sys v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding windows-sys v0.45.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4)
[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 inventory v0.3.15
[INFO] [stderr]   Downloaded jnat-macros v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9b9a2f19e58217daa3d877f75fe61ce980120e02c4df2e2e70cf6e0bf9c38ff1
[INFO] running `Command { std: "docker" "start" "-a" "9b9a2f19e58217daa3d877f75fe61ce980120e02c4df2e2e70cf6e0bf9c38ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b9a2f19e58217daa3d877f75fe61ce980120e02c4df2e2e70cf6e0bf9c38ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9a2f19e58217daa3d877f75fe61ce980120e02c4df2e2e70cf6e0bf9c38ff1", kill_on_drop: false }`
[INFO] [stdout] 9b9a2f19e58217daa3d877f75fe61ce980120e02c4df2e2e70cf6e0bf9c38ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5b2cc2a20daceede53ff4db0bcc9334cb06f21092250d7210f74aaeafc18f375
[INFO] running `Command { std: "docker" "start" "-a" "5b2cc2a20daceede53ff4db0bcc9334cb06f21092250d7210f74aaeafc18f375", kill_on_drop: false }`
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking inventory v0.3.15
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling jnat-macros v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking jni v0.21.1
[INFO] [stderr]     Checking jnat v0.11.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.12s
[INFO] running `Command { std: "docker" "inspect" "5b2cc2a20daceede53ff4db0bcc9334cb06f21092250d7210f74aaeafc18f375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2cc2a20daceede53ff4db0bcc9334cb06f21092250d7210f74aaeafc18f375", kill_on_drop: false }`
[INFO] [stdout] 5b2cc2a20daceede53ff4db0bcc9334cb06f21092250d7210f74aaeafc18f375
[INFO] checking jnat-0.11.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate jnat 0.11.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate jnat 0.11.2 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 jnat 0.11.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate jnat 0.11.2
[INFO] tweaked toml for crates.io crate jnat 0.11.2 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 52 packages
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding jni-sys v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding windows-sys v0.45.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e206c38968ff9de5ea4f7ad7da41fae844df27d831b7247c71980430ec21663f
[INFO] running `Command { std: "docker" "start" "-a" "e206c38968ff9de5ea4f7ad7da41fae844df27d831b7247c71980430ec21663f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e206c38968ff9de5ea4f7ad7da41fae844df27d831b7247c71980430ec21663f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e206c38968ff9de5ea4f7ad7da41fae844df27d831b7247c71980430ec21663f", kill_on_drop: false }`
[INFO] [stdout] e206c38968ff9de5ea4f7ad7da41fae844df27d831b7247c71980430ec21663f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d0cd50d31bef6eede4c033801c477e5880748304651dbb54ff6c0779b9cce8b3
[INFO] running `Command { std: "docker" "start" "-a" "d0cd50d31bef6eede4c033801c477e5880748304651dbb54ff6c0779b9cce8b3", kill_on_drop: false }`
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking inventory v0.3.15
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling jnat-macros v0.2.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking jni v0.21.1
[INFO] [stderr]     Checking jnat v0.11.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.30s
[INFO] running `Command { std: "docker" "inspect" "d0cd50d31bef6eede4c033801c477e5880748304651dbb54ff6c0779b9cce8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cd50d31bef6eede4c033801c477e5880748304651dbb54ff6c0779b9cce8b3", kill_on_drop: false }`
[INFO] [stdout] d0cd50d31bef6eede4c033801c477e5880748304651dbb54ff6c0779b9cce8b3