[INFO] fetching crate bedrock-hematite-nbt 0.4.2...
[INFO] checking bedrock-hematite-nbt-0.4.2 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate bedrock-hematite-nbt 0.4.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bedrock-hematite-nbt 0.4.2 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bedrock-hematite-nbt 0.4.2
[INFO] finished tweaking crates.io crate bedrock-hematite-nbt 0.4.2
[INFO] tweaked toml for crates.io crate bedrock-hematite-nbt 0.4.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate bedrock-hematite-nbt 0.4.2 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.92
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23af63a59e84ba00ca1061c51fcc0097f30ed2da4e0b36ea049bb99f7ad21626
[INFO] running `Command { std: "docker" "start" "-a" "23af63a59e84ba00ca1061c51fcc0097f30ed2da4e0b36ea049bb99f7ad21626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23af63a59e84ba00ca1061c51fcc0097f30ed2da4e0b36ea049bb99f7ad21626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23af63a59e84ba00ca1061c51fcc0097f30ed2da4e0b36ea049bb99f7ad21626", kill_on_drop: false }`
[INFO] [stdout] 23af63a59e84ba00ca1061c51fcc0097f30ed2da4e0b36ea049bb99f7ad21626
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feb3fdf2c685baf662f8d082d7a7ee5cb3b9b8d0ca42e30536d991d709bc778e
[INFO] running `Command { std: "docker" "start" "-a" "feb3fdf2c685baf662f8d082d7a7ee5cb3b9b8d0ca42e30536d991d709bc778e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_json v1.0.92
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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" "feb3fdf2c685baf662f8d082d7a7ee5cb3b9b8d0ca42e30536d991d709bc778e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb3fdf2c685baf662f8d082d7a7ee5cb3b9b8d0ca42e30536d991d709bc778e", kill_on_drop: false }`
[INFO] [stdout] feb3fdf2c685baf662f8d082d7a7ee5cb3b9b8d0ca42e30536d991d709bc778e
[INFO] checking bedrock-hematite-nbt-0.4.2 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate bedrock-hematite-nbt 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate bedrock-hematite-nbt 0.4.2 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bedrock-hematite-nbt 0.4.2
[INFO] finished tweaking crates.io crate bedrock-hematite-nbt 0.4.2
[INFO] tweaked toml for crates.io crate bedrock-hematite-nbt 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate bedrock-hematite-nbt 0.4.2 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98a61b771a279a18dea225cec19e4664c9481b105bb9f7e293a10725c581d566
[INFO] running `Command { std: "docker" "start" "-a" "98a61b771a279a18dea225cec19e4664c9481b105bb9f7e293a10725c581d566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98a61b771a279a18dea225cec19e4664c9481b105bb9f7e293a10725c581d566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a61b771a279a18dea225cec19e4664c9481b105bb9f7e293a10725c581d566", kill_on_drop: false }`
[INFO] [stdout] 98a61b771a279a18dea225cec19e4664c9481b105bb9f7e293a10725c581d566
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8362d0b6c30e24c9eebc78f68b273e540999e6c6239fd72e3c91631587075acb
[INFO] running `Command { std: "docker" "start" "-a" "8362d0b6c30e24c9eebc78f68b273e540999e6c6239fd72e3c91631587075acb", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "8362d0b6c30e24c9eebc78f68b273e540999e6c6239fd72e3c91631587075acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8362d0b6c30e24c9eebc78f68b273e540999e6c6239fd72e3c91631587075acb", kill_on_drop: false }`
[INFO] [stdout] 8362d0b6c30e24c9eebc78f68b273e540999e6c6239fd72e3c91631587075acb