[INFO] fetching crate strif 0.2.1...
[INFO] checking strif-0.2.1 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate strif 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate strif 0.2.1
[INFO] finished tweaking crates.io crate strif 0.2.1
[INFO] tweaked toml for crates.io crate strif 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate strif 0.2.1 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate strif 0.2.1 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 277c3ccd5f44058e8e821efc6392ab0ba2666d64c1246d80c774de518d08e0fe
[INFO] running `Command { std: "docker" "start" "-a" "277c3ccd5f44058e8e821efc6392ab0ba2666d64c1246d80c774de518d08e0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "277c3ccd5f44058e8e821efc6392ab0ba2666d64c1246d80c774de518d08e0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277c3ccd5f44058e8e821efc6392ab0ba2666d64c1246d80c774de518d08e0fe", kill_on_drop: false }`
[INFO] [stdout] 277c3ccd5f44058e8e821efc6392ab0ba2666d64c1246d80c774de518d08e0fe
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 076c7cad30ed9bf8da0e47180dfba02e5dc2346f255800ffa4ac3c56b4919b88
[INFO] running `Command { std: "docker" "start" "-a" "076c7cad30ed9bf8da0e47180dfba02e5dc2346f255800ffa4ac3c56b4919b88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling paste v1.0.12
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking safe_arch v0.7.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.15
[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" "076c7cad30ed9bf8da0e47180dfba02e5dc2346f255800ffa4ac3c56b4919b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076c7cad30ed9bf8da0e47180dfba02e5dc2346f255800ffa4ac3c56b4919b88", kill_on_drop: false }`
[INFO] [stdout] 076c7cad30ed9bf8da0e47180dfba02e5dc2346f255800ffa4ac3c56b4919b88