[INFO] fetching crate slippy 0.1.0...
[INFO] building slippy-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate slippy 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate slippy 0.1.0
[INFO] finished tweaking crates.io crate slippy 0.1.0
[INFO] tweaked toml for crates.io crate slippy 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slippy 0.1.0 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 slippy 0.1.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-id v0.3.3
[INFO] [stderr]   Downloaded strum_macros v0.23.1
[INFO] [stderr]   Downloaded strum v0.23.0
[INFO] [stderr]   Downloaded css-minify v0.3.1
[INFO] [stderr]   Downloaded axohtml v0.4.1
[INFO] [stderr]   Downloaded predicates-core v1.0.5
[INFO] [stderr]   Downloaded predicates-tree v1.0.7
[INFO] [stderr]   Downloaded pico-args v0.4.2
[INFO] [stderr]   Downloaded lalrpop-util v0.19.8
[INFO] [stderr]   Downloaded assert_cmd v2.0.8
[INFO] [stderr]   Downloaded zune-inflate v0.2.51
[INFO] [stderr]   Downloaded spin v0.9.5
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded png v0.17.7
[INFO] [stderr]   Downloaded flate2 v1.0.25
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded miniz_oxide v0.6.2
[INFO] [stderr]   Downloaded weezl v0.1.7
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded axoasset v0.0.1
[INFO] [stderr]   Downloaded clap v4.1.4
[INFO] [stderr]   Downloaded openssl v0.10.45
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded image v0.24.5
[INFO] [stderr]   Downloaded lalrpop v0.19.8
[INFO] [stderr]   Downloaded markdown v1.0.0-alpha.7
[INFO] [stderr]   Downloaded bstr v1.2.0
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded axohtml-macros v0.4.1
[INFO] [stderr]   Downloaded hermit-abi v0.3.0
[INFO] [stderr]   Downloaded console v0.15.5
[INFO] [stderr]   Downloaded simd-adler32 v0.3.4
[INFO] [stderr]   Downloaded ena v0.14.1
[INFO] [stderr]   Downloaded gif v0.11.4
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.0
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5501dc59b5e772c5685890e16874be981287ff8e3d26a2e7a1fa263228d63420
[INFO] running `Command { std: "docker" "start" "-a" "5501dc59b5e772c5685890e16874be981287ff8e3d26a2e7a1fa263228d63420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5501dc59b5e772c5685890e16874be981287ff8e3d26a2e7a1fa263228d63420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5501dc59b5e772c5685890e16874be981287ff8e3d26a2e7a1fa263228d63420", kill_on_drop: false }`
[INFO] [stdout] 5501dc59b5e772c5685890e16874be981287ff8e3d26a2e7a1fa263228d63420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0b149be03848621c3e7f66566cf90dbcb2f79bf7749bde92178d93b365e06096
[INFO] running `Command { std: "docker" "start" "-a" "0b149be03848621c3e7f66566cf90dbcb2f79bf7749bde92178d93b365e06096", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling futures-sink v0.3.26
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0b149be03848621c3e7f66566cf90dbcb2f79bf7749bde92178d93b365e06096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b149be03848621c3e7f66566cf90dbcb2f79bf7749bde92178d93b365e06096", kill_on_drop: false }`
[INFO] [stdout] 0b149be03848621c3e7f66566cf90dbcb2f79bf7749bde92178d93b365e06096