[INFO] fetching crate libtracecmd 0.2.1...
[INFO] testing libtracecmd-0.2.1 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate libtracecmd 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate libtracecmd 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libtracecmd 0.2.1
[INFO] tweaked toml for crates.io crate libtracecmd 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libtracecmd 0.2.1 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libtracecmd 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded argh_shared v0.1.10
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded argh_derive v0.1.10
[INFO] [stderr]   Downloaded once_cell v1.17.2
[INFO] [stderr]   Downloaded argh v0.1.10
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded log v0.4.18
[INFO] [stderr]   Downloaded prettyplease v0.2.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.59
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 261ef874ec21256cbfd6cc27ba841269f01573c81f653e315eddef99c881a420
[INFO] running `Command { std: "docker" "start" "-a" "261ef874ec21256cbfd6cc27ba841269f01573c81f653e315eddef99c881a420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "261ef874ec21256cbfd6cc27ba841269f01573c81f653e315eddef99c881a420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261ef874ec21256cbfd6cc27ba841269f01573c81f653e315eddef99c881a420", kill_on_drop: false }`
[INFO] [stdout] 261ef874ec21256cbfd6cc27ba841269f01573c81f653e315eddef99c881a420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fbb53817626eb08546b6074e87d8def44d6d376d9fa5e1dff00d44d3263afe9
[INFO] running `Command { std: "docker" "start" "-a" "7fbb53817626eb08546b6074e87d8def44d6d376d9fa5e1dff00d44d3263afe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling prettyplease v0.2.6
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[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 which v4.4.0
[INFO] [stderr]    Compiling nom v7.1.3
[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" "7fbb53817626eb08546b6074e87d8def44d6d376d9fa5e1dff00d44d3263afe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbb53817626eb08546b6074e87d8def44d6d376d9fa5e1dff00d44d3263afe9", kill_on_drop: false }`
[INFO] [stdout] 7fbb53817626eb08546b6074e87d8def44d6d376d9fa5e1dff00d44d3263afe9
