[INFO] fetching crate webthing 0.15.2...
[INFO] testing webthing-0.15.2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate webthing 0.15.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate webthing 0.15.2
[INFO] finished tweaking crates.io crate webthing 0.15.2
[INFO] tweaked toml for crates.io crate webthing 0.15.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate webthing 0.15.2 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate webthing 0.15.2 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `chrono` dependency)
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonway v2.0.0
[INFO] [stderr]   Downloaded valico v3.6.1
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded serde_json v1.0.85
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded uritemplate-next v0.2.0
[INFO] [stderr]   Downloaded actix-utils v3.0.0
[INFO] [stderr]   Downloaded futures v0.3.24
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[INFO] [stderr]   Downloaded sha1 v0.10.5
[INFO] [stderr]   Downloaded json-pointer v0.3.4
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[INFO] [stderr]   Downloaded actix-router v0.5.1
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[INFO] [stderr]   Downloaded futures-core v0.3.24
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[INFO] [stderr]   Downloaded cookie v0.16.1
[INFO] [stderr]   Downloaded h2 v0.3.14
[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded futures-executor v0.3.24
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[INFO] [stderr]   Downloaded openssl-sys v0.9.76
[INFO] [stderr]   Downloaded bytestring v1.1.0
[INFO] [stderr]   Downloaded psl v2.1.2
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] [stderr]   Downloaded libc v0.2.134
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded actix v0.13.0
[INFO] [stderr]   Downloaded tokio v1.21.2
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded jobserver v0.1.25
[INFO] [stderr]   Downloaded iana-time-zone v0.1.50
[INFO] [stderr]   Downloaded futures-io v0.3.24
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[INFO] [stderr]   Downloaded if-addrs-sys v0.3.2
[INFO] [stderr]   Downloaded actix-web v4.2.1
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[INFO] [stderr]   Downloaded libmdns v0.6.2
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d75916a15a8a36a17af7148e243e336299a6ce8c2d0904762b8156ab65f84df
[INFO] running `Command { std: "docker" "start" "-a" "7d75916a15a8a36a17af7148e243e336299a6ce8c2d0904762b8156ab65f84df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d75916a15a8a36a17af7148e243e336299a6ce8c2d0904762b8156ab65f84df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d75916a15a8a36a17af7148e243e336299a6ce8c2d0904762b8156ab65f84df", kill_on_drop: false }`
[INFO] [stdout] 7d75916a15a8a36a17af7148e243e336299a6ce8c2d0904762b8156ab65f84df
[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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5ea5f728fc1b2448a0871d3b8bcdf6234027bef6aa3ab5be87cbb82c2d859cf
[INFO] running `Command { std: "docker" "start" "-a" "c5ea5f728fc1b2448a0871d3b8bcdf6234027bef6aa3ab5be87cbb82c2d859cf", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `chrono` dependency)
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-sink v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling futures-io v0.3.24
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling bytestring v1.1.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling local-waker v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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 httparse v1.8.0
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling jobserver v0.1.25
[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" "c5ea5f728fc1b2448a0871d3b8bcdf6234027bef6aa3ab5be87cbb82c2d859cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ea5f728fc1b2448a0871d3b8bcdf6234027bef6aa3ab5be87cbb82c2d859cf", kill_on_drop: false }`
[INFO] [stdout] c5ea5f728fc1b2448a0871d3b8bcdf6234027bef6aa3ab5be87cbb82c2d859cf