[INFO] fetching crate yadbmt 0.1.1...
[INFO] building yadbmt-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate yadbmt 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate yadbmt 0.1.1
[INFO] finished tweaking crates.io crate yadbmt 0.1.1
[INFO] tweaked toml for crates.io crate yadbmt 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate yadbmt 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate yadbmt 0.1.1 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sqlx-macros v0.6.3
[INFO] [stderr]   Downloaded sqlx-rt v0.6.3
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.9
[INFO] [stderr]   Downloaded atoi v1.0.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.8
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded polling v2.6.0
[INFO] [stderr]   Downloaded serde v1.0.159
[INFO] [stderr]   Downloaded openssl-sys v0.9.84
[INFO] [stderr]   Downloaded sqlx v0.6.3
[INFO] [stderr]   Downloaded hashlink v0.8.1
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] [stderr]   Downloaded sqlformat v0.2.1
[INFO] [stderr]   Downloaded stringprep v0.1.2
[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded blocking v1.3.0
[INFO] [stderr]   Downloaded async-executor v1.5.0
[INFO] [stderr]   Downloaded openssl v0.10.49
[INFO] [stderr]   Downloaded atomic-waker v1.1.0
[INFO] [stderr]   Downloaded sqlx-core v0.6.3
[INFO] [stderr]   Downloaded async-process v1.6.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6463a90d1846fd69c39511639896fd79d9bcab9fb21685dfe396a0cdf02d1d75
[INFO] running `Command { std: "docker" "start" "-a" "6463a90d1846fd69c39511639896fd79d9bcab9fb21685dfe396a0cdf02d1d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6463a90d1846fd69c39511639896fd79d9bcab9fb21685dfe396a0cdf02d1d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6463a90d1846fd69c39511639896fd79d9bcab9fb21685dfe396a0cdf02d1d75", kill_on_drop: false }`
[INFO] [stdout] 6463a90d1846fd69c39511639896fd79d9bcab9fb21685dfe396a0cdf02d1d75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58ee26646b1ab7c2cc608aad8c74f507260b9d112023728c00f2ef523c98e0a0
[INFO] running `Command { std: "docker" "start" "-a" "58ee26646b1ab7c2cc608aad8c74f507260b9d112023728c00f2ef523c98e0a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling concurrent-queue v2.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling async-lock v2.7.0
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling async-task v4.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling async-process v1.6.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling atomic-waker v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.49
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling cpufeatures v0.2.6
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.55/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] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling crc-catalog v2.2.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "58ee26646b1ab7c2cc608aad8c74f507260b9d112023728c00f2ef523c98e0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ee26646b1ab7c2cc608aad8c74f507260b9d112023728c00f2ef523c98e0a0", kill_on_drop: false }`
[INFO] [stdout] 58ee26646b1ab7c2cc608aad8c74f507260b9d112023728c00f2ef523c98e0a0