[INFO] fetching crate ipld-collections 0.3.0...
[INFO] checking ipld-collections-0.3.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate ipld-collections 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ipld-collections 0.3.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipld-collections 0.3.0
[INFO] finished tweaking crates.io crate ipld-collections 0.3.0
[INFO] tweaked toml for crates.io crate ipld-collections 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ipld-collections 0.3.0 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded libipld v0.7.0
[INFO] [stderr]   Downloaded tiny-multihash-derive v0.5.0
[INFO] [stderr]   Downloaded tiny-multihash v0.5.0
[INFO] [stderr]   Downloaded strobe-rs v0.5.4
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded libipld-core v0.7.0
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.8
[INFO] [stderr]   Downloaded libipld-cbor-derive v0.7.0
[INFO] [stderr]   Downloaded nb-connect v1.0.0
[INFO] [stderr]   Downloaded cached v0.19.0
[INFO] [stderr]   Downloaded async-global-executor v1.2.1
[INFO] [stderr]   Downloaded polling v1.1.0
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.8
[INFO] [stderr]   Downloaded rayon-core v1.8.1
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded rayon v1.4.0
[INFO] [stderr]   Downloaded blake3 v0.3.7
[INFO] [stderr]   Downloaded async-task v4.0.2
[INFO] [stderr]   Downloaded async-channel v1.4.2
[INFO] [stderr]   Downloaded futures-lite v1.8.0
[INFO] [stderr]   Downloaded async-io v1.1.3
[INFO] [stderr]   Downloaded fastrand v1.3.5
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded tiny-cid v0.3.0
[INFO] [stderr]   Downloaded blocking v1.0.0
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.8
[INFO] [stderr]   Downloaded libipld-macro v0.7.0
[INFO] [stderr]   Downloaded model v0.1.2
[INFO] [stderr]   Downloaded libipld-cbor v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d582057d09d1c385ba266ad83c6ef7df3bcbbae173df36fff69afa5d362d4f83
[INFO] running `Command { std: "docker" "start" "-a" "d582057d09d1c385ba266ad83c6ef7df3bcbbae173df36fff69afa5d362d4f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d582057d09d1c385ba266ad83c6ef7df3bcbbae173df36fff69afa5d362d4f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d582057d09d1c385ba266ad83c6ef7df3bcbbae173df36fff69afa5d362d4f83", kill_on_drop: false }`
[INFO] [stdout] d582057d09d1c385ba266ad83c6ef7df3bcbbae173df36fff69afa5d362d4f83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17b2c6544c796be92b7cef95a2cb043156a349db851fc2437b4da21f8f4d8c4
[INFO] running `Command { std: "docker" "start" "-a" "b17b2c6544c796be92b7cef95a2cb043156a349db851fc2437b4da21f8f4d8c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.24/src/wrapper.rs:463:33
[INFO] [stdout]     |
[INFO] [stdout] 463 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 463 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 463 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.24/src/wrapper.rs:480:33
[INFO] [stdout]     |
[INFO] [stdout] 480 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 480 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 480 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b17b2c6544c796be92b7cef95a2cb043156a349db851fc2437b4da21f8f4d8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17b2c6544c796be92b7cef95a2cb043156a349db851fc2437b4da21f8f4d8c4", kill_on_drop: false }`
[INFO] [stdout] b17b2c6544c796be92b7cef95a2cb043156a349db851fc2437b4da21f8f4d8c4