[INFO] fetching crate if-watch 3.2.0...
[INFO] checking if-watch-3.2.0 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate if-watch 3.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate if-watch 3.2.0 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate if-watch 3.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate if-watch 3.2.0
[INFO] tweaked toml for crates.io crate if-watch 3.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate if-watch 3.2.0 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" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded futures-sink v0.3.27
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[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded futures-lite v2.0.1
[INFO] [stderr]   Downloaded async-executor v1.5.0
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[INFO] [stderr]   Downloaded mio v0.8.6
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[INFO] [stderr]   Downloaded env_logger v0.10.1
[INFO] [stderr]   Downloaded futures-util v0.3.27
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[INFO] [stderr]   Downloaded event-listener-strategy v0.3.0
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[INFO] [stderr]   Downloaded futures v0.3.27
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[INFO] [stderr]   Downloaded concurrent-queue v2.3.0
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[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded tokio v1.27.0
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[INFO] [stderr]   Downloaded if-addrs v0.10.2
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[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53345fdb14217b18d03fa78daf8251c26d6962f7dee37778b806e42ef8d2755f
[INFO] running `Command { std: "docker" "start" "-a" "53345fdb14217b18d03fa78daf8251c26d6962f7dee37778b806e42ef8d2755f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53345fdb14217b18d03fa78daf8251c26d6962f7dee37778b806e42ef8d2755f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53345fdb14217b18d03fa78daf8251c26d6962f7dee37778b806e42ef8d2755f", kill_on_drop: false }`
[INFO] [stdout] 53345fdb14217b18d03fa78daf8251c26d6962f7dee37778b806e42ef8d2755f
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f2d8b929cffded326ee01fe26b54d095b9ba8215144cf2d53bdb71fc727bd60
[INFO] running `Command { std: "docker" "start" "-a" "4f2d8b929cffded326ee01fe26b54d095b9ba8215144cf2d53bdb71fc727bd60", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rustix v0.37.5
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.0
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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]     Checking concurrent-queue v2.3.0
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]    Compiling async-process v1.6.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[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" "4f2d8b929cffded326ee01fe26b54d095b9ba8215144cf2d53bdb71fc727bd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2d8b929cffded326ee01fe26b54d095b9ba8215144cf2d53bdb71fc727bd60", kill_on_drop: false }`
[INFO] [stdout] 4f2d8b929cffded326ee01fe26b54d095b9ba8215144cf2d53bdb71fc727bd60