[INFO] cloning repository https://github.com/jsandler18/pdf_form
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsandler18/pdf_form" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsandler18%2Fpdf_form", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsandler18%2Fpdf_form'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3ba74748fa189179609f43949506455bcc06f75
[INFO] checking jsandler18/pdf_form against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsandler18%2Fpdf_form" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsandler18/pdf_form 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 git repo https://github.com/jsandler18/pdf_form
[INFO] finished tweaking git repo https://github.com/jsandler18/pdf_form
[INFO] tweaked toml for git repo https://github.com/jsandler18/pdf_form written to /workspace/builds/worker-3-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 74 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding case v0.1.0 (latest: v1.0.0)
[INFO] [stderr]       Adding derive-error v0.0.4 (latest: v0.0.5)
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding linked-hash-map v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding lopdf v0.25.0 (latest: v0.32.0)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.11.11 (latest: v2.0.58)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (latest: v0.2.4)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 45e37bb2779e6d1541f2a48fc33a66ffef9314af2c60533cd50b54b58619889f
[INFO] running `Command { std: "docker" "start" "-a" "45e37bb2779e6d1541f2a48fc33a66ffef9314af2c60533cd50b54b58619889f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45e37bb2779e6d1541f2a48fc33a66ffef9314af2c60533cd50b54b58619889f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e37bb2779e6d1541f2a48fc33a66ffef9314af2c60533cd50b54b58619889f", kill_on_drop: false }`
[INFO] [stdout] 45e37bb2779e6d1541f2a48fc33a66ffef9314af2c60533cd50b54b58619889f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b6a2471f5c2c13ca997f27876cbf585fb6e15fafaf42f471d5ace990ac0baa25
[INFO] running `Command { std: "docker" "start" "-a" "b6a2471f5c2c13ca997f27876cbf585fb6e15fafaf42f471d5ace990ac0baa25", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking pom v3.4.0
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking lopdf v0.25.0
[INFO] [stderr]     Checking pdf_form v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.46s
[INFO] running `Command { std: "docker" "inspect" "b6a2471f5c2c13ca997f27876cbf585fb6e15fafaf42f471d5ace990ac0baa25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a2471f5c2c13ca997f27876cbf585fb6e15fafaf42f471d5ace990ac0baa25", kill_on_drop: false }`
[INFO] [stdout] b6a2471f5c2c13ca997f27876cbf585fb6e15fafaf42f471d5ace990ac0baa25
[INFO] checking jsandler18/pdf_form against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsandler18%2Fpdf_form" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsandler18/pdf_form 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 git repo https://github.com/jsandler18/pdf_form
[INFO] finished tweaking git repo https://github.com/jsandler18/pdf_form
[INFO] tweaked toml for git repo https://github.com/jsandler18/pdf_form written to /workspace/builds/worker-3-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 74 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding case v0.1.0 (latest: v1.0.0)
[INFO] [stderr]       Adding derive-error v0.0.4 (latest: v0.0.5)
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding linked-hash-map v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding lopdf v0.25.0 (latest: v0.32.0)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.11.11 (latest: v2.0.58)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (latest: v0.2.4)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4f0659ecfe877089a440726a457cc344e7df75cbc5ff3981e0129e5286b2cc07
[INFO] running `Command { std: "docker" "start" "-a" "4f0659ecfe877089a440726a457cc344e7df75cbc5ff3981e0129e5286b2cc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f0659ecfe877089a440726a457cc344e7df75cbc5ff3981e0129e5286b2cc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0659ecfe877089a440726a457cc344e7df75cbc5ff3981e0129e5286b2cc07", kill_on_drop: false }`
[INFO] [stdout] 4f0659ecfe877089a440726a457cc344e7df75cbc5ff3981e0129e5286b2cc07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8f6c17461f26120f698c74e2198e53296650e4d80d883e459e6a64cdc77c02e3
[INFO] running `Command { std: "docker" "start" "-a" "8f6c17461f26120f698c74e2198e53296650e4d80d883e459e6a64cdc77c02e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking pom v3.4.0
[INFO] [stderr]     Checking lopdf v0.25.0
[INFO] [stderr]     Checking pdf_form v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.57s
[INFO] running `Command { std: "docker" "inspect" "8f6c17461f26120f698c74e2198e53296650e4d80d883e459e6a64cdc77c02e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6c17461f26120f698c74e2198e53296650e4d80d883e459e6a64cdc77c02e3", kill_on_drop: false }`
[INFO] [stdout] 8f6c17461f26120f698c74e2198e53296650e4d80d883e459e6a64cdc77c02e3