[INFO] fetching crate treemux 0.8.5...
[INFO] checking treemux-0.8.5 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate treemux 0.8.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate treemux 0.8.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate treemux 0.8.5
[INFO] tweaked toml for crates.io crate treemux 0.8.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate treemux 0.8.5 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate treemux 0.8.5 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-rustls v0.24.0
[INFO] [stderr]   Downloaded test-log v0.2.11
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded hyper-rustls v0.24.0
[INFO] [stderr]   Downloaded async-compression v0.3.15
[INFO] [stderr]   Downloaded openssl-sys v0.9.85
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded hyper v0.14.25
[INFO] [stderr]   Downloaded syn v2.0.14
[INFO] [stderr]   Downloaded rustls v0.21.0
[INFO] [stderr]   Downloaded openssl v0.10.50
[INFO] [stderr]   Downloaded rustix v0.37.11
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded hyper-staticfile v0.9.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fae54b8b754d13333a3f0c6cca2c095aa4fa7e73dbfdf60d71e0ce3566a83184
[INFO] running `Command { std: "docker" "start" "-a" "fae54b8b754d13333a3f0c6cca2c095aa4fa7e73dbfdf60d71e0ce3566a83184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fae54b8b754d13333a3f0c6cca2c095aa4fa7e73dbfdf60d71e0ce3566a83184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae54b8b754d13333a3f0c6cca2c095aa4fa7e73dbfdf60d71e0ce3566a83184", kill_on_drop: false }`
[INFO] [stdout] fae54b8b754d13333a3f0c6cca2c095aa4fa7e73dbfdf60d71e0ce3566a83184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab1dfe8783252fc8ebf38d49284700955df06e6437d6aaade6455e8861b650ed
[INFO] running `Command { std: "docker" "start" "-a" "ab1dfe8783252fc8ebf38d49284700955df06e6437d6aaade6455e8861b650ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]    Compiling rustix v0.37.11
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking http-range v0.1.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 termcolor v1.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.25
[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" "ab1dfe8783252fc8ebf38d49284700955df06e6437d6aaade6455e8861b650ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1dfe8783252fc8ebf38d49284700955df06e6437d6aaade6455e8861b650ed", kill_on_drop: false }`
[INFO] [stdout] ab1dfe8783252fc8ebf38d49284700955df06e6437d6aaade6455e8861b650ed