[INFO] fetching crate verto 0.7.13...
[INFO] testing verto-0.7.13 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate verto 0.7.13 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate verto 0.7.13
[INFO] finished tweaking crates.io crate verto 0.7.13
[INFO] tweaked toml for crates.io crate verto 0.7.13 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate verto 0.7.13 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate verto 0.7.13 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_spanned v0.6.6
[INFO] [stderr]   Downloaded walkdir v2.3.2
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[INFO] [stderr]   Downloaded crates-io v0.34.0
[INFO] [stderr]   Downloaded serde_derive v1.0.152
[INFO] [stderr]   Downloaded serde v1.0.152
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a080272f920bc64d3e06abc7de8b8041849828d12715fdfb304849ebad6c970b
[INFO] running `Command { std: "docker" "start" "-a" "a080272f920bc64d3e06abc7de8b8041849828d12715fdfb304849ebad6c970b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a080272f920bc64d3e06abc7de8b8041849828d12715fdfb304849ebad6c970b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a080272f920bc64d3e06abc7de8b8041849828d12715fdfb304849ebad6c970b", kill_on_drop: false }`
[INFO] [stdout] a080272f920bc64d3e06abc7de8b8041849828d12715fdfb304849ebad6c970b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b871b0abd8659bc072384cc702c946b41c865a53954f7273c3e38b5c25895d8b
[INFO] running `Command { std: "docker" "start" "-a" "b871b0abd8659bc072384cc702c946b41c865a53954f7273c3e38b5c25895d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[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 pkg-config v0.3.26
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 openssl v0.10.44
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[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" "b871b0abd8659bc072384cc702c946b41c865a53954f7273c3e38b5c25895d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b871b0abd8659bc072384cc702c946b41c865a53954f7273c3e38b5c25895d8b", kill_on_drop: false }`
[INFO] [stdout] b871b0abd8659bc072384cc702c946b41c865a53954f7273c3e38b5c25895d8b