[INFO] fetching crate jbig2dec-sys 0.19.0...
[INFO] checking jbig2dec-sys-0.19.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate jbig2dec-sys 0.19.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate jbig2dec-sys 0.19.0 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 jbig2dec-sys 0.19.0
[INFO] finished tweaking crates.io crate jbig2dec-sys 0.19.0
[INFO] tweaked toml for crates.io crate jbig2dec-sys 0.19.0 written to /workspace/builds/worker-6-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 2 packages
[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] 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] 3ce49b117f38bbbe5f63d29d3bf7a72274c2beb7c4a8bd613fbf4a537e786c0c
[INFO] running `Command { std: "docker" "start" "-a" "3ce49b117f38bbbe5f63d29d3bf7a72274c2beb7c4a8bd613fbf4a537e786c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ce49b117f38bbbe5f63d29d3bf7a72274c2beb7c4a8bd613fbf4a537e786c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce49b117f38bbbe5f63d29d3bf7a72274c2beb7c4a8bd613fbf4a537e786c0c", kill_on_drop: false }`
[INFO] [stdout] 3ce49b117f38bbbe5f63d29d3bf7a72274c2beb7c4a8bd613fbf4a537e786c0c
[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] 350e4629bf29ef3554295339903898078429a583e336c5d5c97aa4d66ce6ae8a
[INFO] running `Command { std: "docker" "start" "-a" "350e4629bf29ef3554295339903898078429a583e336c5d5c97aa4d66ce6ae8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling jbig2dec-sys v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: jbig2dec-sys@0.19.0: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "350e4629bf29ef3554295339903898078429a583e336c5d5c97aa4d66ce6ae8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "350e4629bf29ef3554295339903898078429a583e336c5d5c97aa4d66ce6ae8a", kill_on_drop: false }`
[INFO] [stdout] 350e4629bf29ef3554295339903898078429a583e336c5d5c97aa4d66ce6ae8a
[INFO] checking jbig2dec-sys-0.19.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate jbig2dec-sys 0.19.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate jbig2dec-sys 0.19.0 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 jbig2dec-sys 0.19.0
[INFO] finished tweaking crates.io crate jbig2dec-sys 0.19.0
[INFO] tweaked toml for crates.io crate jbig2dec-sys 0.19.0 written to /workspace/builds/worker-6-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 2 packages
[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] b71a73c0aef43d0aa9da13d9dd15993373d2270ba04e9dcd970a1c3cd9013480
[INFO] running `Command { std: "docker" "start" "-a" "b71a73c0aef43d0aa9da13d9dd15993373d2270ba04e9dcd970a1c3cd9013480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71a73c0aef43d0aa9da13d9dd15993373d2270ba04e9dcd970a1c3cd9013480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71a73c0aef43d0aa9da13d9dd15993373d2270ba04e9dcd970a1c3cd9013480", kill_on_drop: false }`
[INFO] [stdout] b71a73c0aef43d0aa9da13d9dd15993373d2270ba04e9dcd970a1c3cd9013480
[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] 3cde72c5e1d0550c9a11913a580cc6caf77bd93e40bcd46b4a62d2bba4c79803
[INFO] running `Command { std: "docker" "start" "-a" "3cde72c5e1d0550c9a11913a580cc6caf77bd93e40bcd46b4a62d2bba4c79803", kill_on_drop: false }`
[INFO] [stderr]    Compiling jbig2dec-sys v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: jbig2dec-sys@0.19.0: Compiler version doesn't include clang or GCC: "cc" "--version"
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "3cde72c5e1d0550c9a11913a580cc6caf77bd93e40bcd46b4a62d2bba4c79803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cde72c5e1d0550c9a11913a580cc6caf77bd93e40bcd46b4a62d2bba4c79803", kill_on_drop: false }`
[INFO] [stdout] 3cde72c5e1d0550c9a11913a580cc6caf77bd93e40bcd46b4a62d2bba4c79803