[INFO] fetching crate stetson 0.1.1...
[INFO] testing stetson-0.1.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate stetson 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate stetson 0.1.1
[INFO] finished tweaking crates.io crate stetson 0.1.1
[INFO] tweaked toml for crates.io crate stetson 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stetson 0.1.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stetson 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded futures-macro v0.3.27
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded rustversion v1.0.12
[INFO] [stderr]   Downloaded async-trait v0.1.68
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.11
[INFO] [stderr]   Downloaded futures v0.3.27
[INFO] [stderr]   Downloaded serde v1.0.159
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded futures-util v0.3.27
[INFO] [stderr]   Downloaded axum v0.6.12
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] [stderr]   Downloaded hyper v0.14.25
[INFO] [stderr]   Downloaded tower-http v0.4.0
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded syn v2.0.11
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded http v0.2.9
[INFO] [stderr]   Downloaded unicode-bidi v0.3.13
[INFO] [stderr]   Downloaded tungstenite v0.18.0
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded socket2 v0.4.9
[INFO] [stderr]   Downloaded futures-channel v0.3.27
[INFO] [stderr]   Downloaded futures-io v0.3.27
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded axum-core v0.3.3
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded sha1 v0.10.5
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded utf-8 v0.7.6
[INFO] [stderr]   Downloaded tokio-tungstenite v0.18.0
[INFO] [stderr]   Downloaded futures-executor v0.3.27
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded futures-core v0.3.27
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded slab v0.4.8
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded tokio v1.27.0
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 388a3a367a479e0602737dbe3165d10239b2953664206e406fd0fec0feea9243
[INFO] running `Command { std: "docker" "start" "-a" "388a3a367a479e0602737dbe3165d10239b2953664206e406fd0fec0feea9243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "388a3a367a479e0602737dbe3165d10239b2953664206e406fd0fec0feea9243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388a3a367a479e0602737dbe3165d10239b2953664206e406fd0fec0feea9243", kill_on_drop: false }`
[INFO] [stdout] 388a3a367a479e0602737dbe3165d10239b2953664206e406fd0fec0feea9243
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8f106b02c4f3b0b2e40aa584044ad3f8ac8a7f9fa5171c5b43b3df6e186e2cd
[INFO] running `Command { std: "docker" "start" "-a" "f8f106b02c4f3b0b2e40aa584044ad3f8ac8a7f9fa5171c5b43b3df6e186e2cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling futures-sink v0.3.27
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling futures-io v0.3.27
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/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 percent-encoding v2.2.0
[INFO] [stderr]    Compiling serde v1.0.159
[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" "f8f106b02c4f3b0b2e40aa584044ad3f8ac8a7f9fa5171c5b43b3df6e186e2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f106b02c4f3b0b2e40aa584044ad3f8ac8a7f9fa5171c5b43b3df6e186e2cd", kill_on_drop: false }`
[INFO] [stdout] f8f106b02c4f3b0b2e40aa584044ad3f8ac8a7f9fa5171c5b43b3df6e186e2cd