[INFO] fetching crate fastnbt 2.4.4... [INFO] checking fastnbt-2.4.4 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1 [INFO] extracting crate fastnbt 2.4.4 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate fastnbt 2.4.4 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fastnbt 2.4.4 [INFO] finished tweaking crates.io crate fastnbt 2.4.4 [INFO] tweaked toml for crates.io crate fastnbt 2.4.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate fastnbt 2.4.4 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" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v1.0.26 [INFO] [stderr] Downloaded derive_arbitrary v1.1.0 [INFO] [stderr] Downloaded byteorder v1.4.2 [INFO] [stderr] Downloaded cesu8 v1.1.0 [INFO] [stderr] Downloaded itoa v0.4.7 [INFO] [stderr] Downloaded crc32fast v1.2.1 [INFO] [stderr] Downloaded arbitrary v1.1.0 [INFO] [stderr] Downloaded syn v2.0.15 [INFO] [stderr] Downloaded serde_json v1.0.62 [INFO] [stderr] Downloaded serde_derive v1.0.160 [INFO] [stderr] Downloaded serde v1.0.160 [INFO] [stderr] Downloaded serde_bytes v0.11.5 [INFO] [stderr] Downloaded ryu v1.0.5 [INFO] [stderr] Downloaded unicode-ident v1.0.8 [INFO] [stderr] Downloaded proc-macro2 v1.0.56 [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" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b9aaa78432b1d919a8f1a55c2b82990171ea5f5dae790331f6f31898f8f99cd [INFO] running `Command { std: "docker" "start" "-a" "1b9aaa78432b1d919a8f1a55c2b82990171ea5f5dae790331f6f31898f8f99cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b9aaa78432b1d919a8f1a55c2b82990171ea5f5dae790331f6f31898f8f99cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b9aaa78432b1d919a8f1a55c2b82990171ea5f5dae790331f6f31898f8f99cd", kill_on_drop: false }` [INFO] [stdout] 1b9aaa78432b1d919a8f1a55c2b82990171ea5f5dae790331f6f31898f8f99cd [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" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf41e546f16d8303218e22d85cf74dc49bbee58918bed75de74b8edc1bb01387 [INFO] running `Command { std: "docker" "start" "-a" "bf41e546f16d8303218e22d85cf74dc49bbee58918bed75de74b8edc1bb01387", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling serde_derive v1.0.160 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stderr] Checking flate2 v1.0.25 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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" "bf41e546f16d8303218e22d85cf74dc49bbee58918bed75de74b8edc1bb01387", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf41e546f16d8303218e22d85cf74dc49bbee58918bed75de74b8edc1bb01387", kill_on_drop: false }` [INFO] [stdout] bf41e546f16d8303218e22d85cf74dc49bbee58918bed75de74b8edc1bb01387 [INFO] checking fastnbt-2.4.4 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1 [INFO] extracting crate fastnbt 2.4.4 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate fastnbt 2.4.4 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fastnbt 2.4.4 [INFO] finished tweaking crates.io crate fastnbt 2.4.4 [INFO] tweaked toml for crates.io crate fastnbt 2.4.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate fastnbt 2.4.4 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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 038e37938734548adaa2a855b16b90352c3a1255be1506c72636aa71271c780c [INFO] running `Command { std: "docker" "start" "-a" "038e37938734548adaa2a855b16b90352c3a1255be1506c72636aa71271c780c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "038e37938734548adaa2a855b16b90352c3a1255be1506c72636aa71271c780c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "038e37938734548adaa2a855b16b90352c3a1255be1506c72636aa71271c780c", kill_on_drop: false }` [INFO] [stdout] 038e37938734548adaa2a855b16b90352c3a1255be1506c72636aa71271c780c [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" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c1ccec97f35475c1f6f5210319a71934b48770c7c0e00be67dfab981586a664 [INFO] running `Command { std: "docker" "start" "-a" "2c1ccec97f35475c1f6f5210319a71934b48770c7c0e00be67dfab981586a664", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling serde_derive v1.0.160 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking cesu8 v1.1.0 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "2c1ccec97f35475c1f6f5210319a71934b48770c7c0e00be67dfab981586a664", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c1ccec97f35475c1f6f5210319a71934b48770c7c0e00be67dfab981586a664", kill_on_drop: false }` [INFO] [stdout] 2c1ccec97f35475c1f6f5210319a71934b48770c7c0e00be67dfab981586a664