[INFO] fetching crate stayawake 0.2.4...
[INFO] testing stayawake-0.2.4 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate stayawake 0.2.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate stayawake 0.2.4
[INFO] finished tweaking crates.io crate stayawake 0.2.4
[INFO] tweaked toml for crates.io crate stayawake 0.2.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stayawake 0.2.4 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stayawake 0.2.4 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f416892f93a9e1f9966ccf13ae42854935b0cdb5824f8190b5d658dc8942128
[INFO] running `Command { std: "docker" "start" "-a" "4f416892f93a9e1f9966ccf13ae42854935b0cdb5824f8190b5d658dc8942128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f416892f93a9e1f9966ccf13ae42854935b0cdb5824f8190b5d658dc8942128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f416892f93a9e1f9966ccf13ae42854935b0cdb5824f8190b5d658dc8942128", kill_on_drop: false }`
[INFO] [stdout] 4f416892f93a9e1f9966ccf13ae42854935b0cdb5824f8190b5d658dc8942128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66ea3249c7653cc8c09123f6410e6667bc151e3a5e0956c7f9471418d09fed4a
[INFO] running `Command { std: "docker" "start" "-a" "66ea3249c7653cc8c09123f6410e6667bc151e3a5e0956c7f9471418d09fed4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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 time v0.2.27
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling stayawake v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling dotenv v0.15.0
[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" "66ea3249c7653cc8c09123f6410e6667bc151e3a5e0956c7f9471418d09fed4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ea3249c7653cc8c09123f6410e6667bc151e3a5e0956c7f9471418d09fed4a", kill_on_drop: false }`
[INFO] [stdout] 66ea3249c7653cc8c09123f6410e6667bc151e3a5e0956c7f9471418d09fed4a
