[INFO] fetching crate waitforit 0.1.0...
[INFO] building waitforit-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate waitforit 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate waitforit 0.1.0
[INFO] finished tweaking crates.io crate waitforit 0.1.0
[INFO] tweaked toml for crates.io crate waitforit 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate waitforit 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 waitforit 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ureq v1.5.5
[INFO] [stderr]   Downloaded chunked_transfer v1.4.0
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded serde_json v1.0.87
[INFO] [stderr]   Downloaded webpki-roots v0.21.1
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8a7a570f866fdb69e0bc3f2c6204e3023148c44da9fbe1370e1b5c56eed141ba
[INFO] running `Command { std: "docker" "start" "-a" "8a7a570f866fdb69e0bc3f2c6204e3023148c44da9fbe1370e1b5c56eed141ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a7a570f866fdb69e0bc3f2c6204e3023148c44da9fbe1370e1b5c56eed141ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7a570f866fdb69e0bc3f2c6204e3023148c44da9fbe1370e1b5c56eed141ba", kill_on_drop: false }`
[INFO] [stdout] 8a7a570f866fdb69e0bc3f2c6204e3023148c44da9fbe1370e1b5c56eed141ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f434ba7c66253a8016c64029e8671b20c25967bcc669e2d6d00925960b6c45f0
[INFO] running `Command { std: "docker" "start" "-a" "f434ba7c66253a8016c64029e8671b20c25967bcc669e2d6d00925960b6c45f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 ryu v1.0.11
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[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" "f434ba7c66253a8016c64029e8671b20c25967bcc669e2d6d00925960b6c45f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f434ba7c66253a8016c64029e8671b20c25967bcc669e2d6d00925960b6c45f0", kill_on_drop: false }`
[INFO] [stdout] f434ba7c66253a8016c64029e8671b20c25967bcc669e2d6d00925960b6c45f0