[INFO] fetching crate soanm 0.1.3...
[INFO] testing soanm-0.1.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate soanm 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate soanm 0.1.3
[INFO] finished tweaking crates.io crate soanm 0.1.3
[INFO] tweaked toml for crates.io crate soanm 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate soanm 0.1.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate soanm 0.1.3 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tar v0.4.38
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded thread_local v1.1.4
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded async-lock v2.6.0
[INFO] [stderr]   Downloaded async-global-executor v2.3.1
[INFO] [stderr]   Downloaded wepoll-ffi v0.1.2
[INFO] [stderr]   Downloaded cache-padded v1.2.0
[INFO] [stderr]   Downloaded clap_derive v3.2.18
[INFO] [stderr]   Downloaded miniz_oxide v0.5.4
[INFO] [stderr]   Downloaded concurrent-queue v1.2.4
[INFO] [stderr]   Downloaded async-channel v1.7.1
[INFO] [stderr]   Downloaded clap-verbosity-flag v1.0.1
[INFO] [stderr]   Downloaded async-io v1.10.0
[INFO] [stderr]   Downloaded async-executor v1.4.1
[INFO] [stderr]   Downloaded bytecodec v0.4.15
[INFO] [stderr]   Downloaded semver v1.0.14
[INFO] [stderr]   Downloaded cxx-build v1.0.80
[INFO] [stderr]   Downloaded async-tungstenite v0.17.2
[INFO] [stderr]   Downloaded cxx v1.0.80
[INFO] [stderr]   Downloaded chrono v0.4.22
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.80
[INFO] [stderr]   Downloaded scratch v1.0.2
[INFO] [stderr]   Downloaded stderrlog v0.5.3
[INFO] [stderr]   Downloaded blocking v1.2.0
[INFO] [stderr]   Downloaded async-process v1.5.0
[INFO] [stderr]   Downloaded ringbuf v0.2.8
[INFO] [stderr]   Downloaded rmp v0.8.11
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.80
[INFO] [stderr]   Downloaded filetime v0.2.18
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded paste v1.0.9
[INFO] [stderr]   Downloaded crc-catalog v1.1.1
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.8.0
[INFO] [stderr]   Downloaded async-task v4.3.0
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded futures v0.3.25
[INFO] [stderr]   Downloaded futures_ringbuf v0.3.1
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded futures-lite v1.12.0
[INFO] [stderr]   Downloaded crc v2.1.0
[INFO] [stderr]   Downloaded clap v3.2.23
[INFO] [stderr]   Downloaded flate2 v1.0.24
[INFO] [stderr]   Downloaded sha1 v0.2.0
[INFO] [stderr]   Downloaded time v0.3.16
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.9
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded rmp-serde v1.1.1
[INFO] [stderr]   Downloaded spake2 v0.3.1
[INFO] [stderr]   Downloaded hmac-sha1 v0.1.3
[INFO] [stderr]   Downloaded poly1305 v0.7.2
[INFO] [stderr]   Downloaded gloo-timers v0.2.4
[INFO] [stderr]   Downloaded stun_codec v0.2.0
[INFO] [stderr]   Downloaded salsa20 v0.9.0
[INFO] [stderr]   Downloaded polling v2.4.0
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded trackable v1.2.0
[INFO] [stderr]   Downloaded time-macros v0.2.5
[INFO] [stderr]   Downloaded tracing-log v0.1.3
[INFO] [stderr]   Downloaded futures-io v0.3.25
[INFO] [stderr]   Downloaded futures-macro v0.3.25
[INFO] [stderr]   Downloaded magic-wormhole v0.5.0
[INFO] [stderr]   Downloaded link-cplusplus v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38d4ca83cecfc4861f449af09eb1df425e0b869acba27a38593cd973452f02b5
[INFO] running `Command { std: "docker" "start" "-a" "38d4ca83cecfc4861f449af09eb1df425e0b869acba27a38593cd973452f02b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38d4ca83cecfc4861f449af09eb1df425e0b869acba27a38593cd973452f02b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d4ca83cecfc4861f449af09eb1df425e0b869acba27a38593cd973452f02b5", kill_on_drop: false }`
[INFO] [stdout] 38d4ca83cecfc4861f449af09eb1df425e0b869acba27a38593cd973452f02b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5c671fda0e2bd3bffb6ad56ac73edbd09795210cfa85a551442228cffcda266
[INFO] running `Command { std: "docker" "start" "-a" "a5c671fda0e2bd3bffb6ad56ac73edbd09795210cfa85a551442228cffcda266", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling polling v2.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling async-io v1.10.0
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling itoa v1.0.4
[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 async-channel v1.7.1
[INFO] [stderr]    Compiling async-process v1.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling os_str_bytes v6.3.1
[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" "a5c671fda0e2bd3bffb6ad56ac73edbd09795210cfa85a551442228cffcda266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c671fda0e2bd3bffb6ad56ac73edbd09795210cfa85a551442228cffcda266", kill_on_drop: false }`
[INFO] [stdout] a5c671fda0e2bd3bffb6ad56ac73edbd09795210cfa85a551442228cffcda266