[INFO] fetching crate fltk-form 0.2.0...
[INFO] checking fltk-form-0.2.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate fltk-form 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fltk-form 0.2.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fltk-form 0.2.0
[INFO] finished tweaking crates.io crate fltk-form 0.2.0
[INFO] tweaked toml for crates.io crate fltk-form 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate fltk-form 0.2.0 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded color-maps v0.1.0
[INFO] [stderr]   Downloaded cmake v0.1.49
[INFO] [stderr]   Downloaded paste v1.0.11
[INFO] [stderr]   Downloaded fltk-form-derive v0.1.2
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded fltk v1.4.0
[INFO] [stderr]   Downloaded fltk-sys v1.4.0
[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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0147b06f902f994e90914a6f501c780bdac5591b96daef8558e077b1607ad31
[INFO] running `Command { std: "docker" "start" "-a" "f0147b06f902f994e90914a6f501c780bdac5591b96daef8558e077b1607ad31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0147b06f902f994e90914a6f501c780bdac5591b96daef8558e077b1607ad31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0147b06f902f994e90914a6f501c780bdac5591b96daef8558e077b1607ad31", kill_on_drop: false }`
[INFO] [stdout] f0147b06f902f994e90914a6f501c780bdac5591b96daef8558e077b1607ad31
[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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba006e68c7ffe5a0db820d9b4bdfc0d8cd79407e2e8dde92a7f0b55f8e58103b
[INFO] running `Command { std: "docker" "start" "-a" "ba006e68c7ffe5a0db820d9b4bdfc0d8cd79407e2e8dde92a7f0b55f8e58103b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking color-maps v0.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ba006e68c7ffe5a0db820d9b4bdfc0d8cd79407e2e8dde92a7f0b55f8e58103b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba006e68c7ffe5a0db820d9b4bdfc0d8cd79407e2e8dde92a7f0b55f8e58103b", kill_on_drop: false }`
[INFO] [stdout] ba006e68c7ffe5a0db820d9b4bdfc0d8cd79407e2e8dde92a7f0b55f8e58103b
[INFO] checking fltk-form-0.2.0 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate fltk-form 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate fltk-form 0.2.0 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fltk-form 0.2.0
[INFO] finished tweaking crates.io crate fltk-form 0.2.0
[INFO] tweaked toml for crates.io crate fltk-form 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate fltk-form 0.2.0 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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10d04b4b9de0b4ed07d031728a428339abb613d25751fef3ab16288fec3c7d8e
[INFO] running `Command { std: "docker" "start" "-a" "10d04b4b9de0b4ed07d031728a428339abb613d25751fef3ab16288fec3c7d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10d04b4b9de0b4ed07d031728a428339abb613d25751fef3ab16288fec3c7d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d04b4b9de0b4ed07d031728a428339abb613d25751fef3ab16288fec3c7d8e", kill_on_drop: false }`
[INFO] [stdout] 10d04b4b9de0b4ed07d031728a428339abb613d25751fef3ab16288fec3c7d8e
[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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96c73f4f3c132f3d571f3ab7a1e6c06fb4475cbb49119da32d2246e93f2697f3
[INFO] running `Command { std: "docker" "start" "-a" "96c73f4f3c132f3d571f3ab7a1e6c06fb4475cbb49119da32d2246e93f2697f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]     Checking color-maps v0.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "96c73f4f3c132f3d571f3ab7a1e6c06fb4475cbb49119da32d2246e93f2697f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c73f4f3c132f3d571f3ab7a1e6c06fb4475cbb49119da32d2246e93f2697f3", kill_on_drop: false }`
[INFO] [stdout] 96c73f4f3c132f3d571f3ab7a1e6c06fb4475cbb49119da32d2246e93f2697f3
