[INFO] fetching crate cameleon 0.1.12...
[INFO] checking cameleon-0.1.12 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate cameleon 0.1.12 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cameleon 0.1.12 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cameleon 0.1.12
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cameleon 0.1.12
[INFO] tweaked toml for crates.io crate cameleon 0.1.12 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cameleon 0.1.12 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.23
[INFO] [stderr]   Downloaded roxmltree v0.15.1
[INFO] [stderr]   Downloaded cameleon-impl-macros v0.1.12
[INFO] [stderr]   Downloaded cameleon-impl v0.1.12
[INFO] [stderr]   Downloaded ambassador v0.2.1
[INFO] [stderr]   Downloaded sha-1 v0.10.1
[INFO] [stderr]   Downloaded time-core v0.1.0
[INFO] [stderr]   Downloaded thiserror v1.0.39
[INFO] [stderr]   Downloaded cameleon-genapi v0.1.12
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded aes v0.7.5
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]   Downloaded libusb1-sys v0.6.4
[INFO] [stderr]   Downloaded serde_json v1.0.94
[INFO] [stderr]   Downloaded proc-macro2 v1.0.51
[INFO] [stderr]   Downloaded basic-toml v0.1.2
[INFO] [stderr]   Downloaded serde_derive v1.0.155
[INFO] [stderr]   Downloaded anyhow v1.0.69
[INFO] [stderr]   Downloaded rusb v0.9.1
[INFO] [stderr]   Downloaded string-interner v0.14.0
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded serde v1.0.155
[INFO] [stderr]   Downloaded zip v0.6.4
[INFO] [stderr]   Downloaded cipher v0.3.0
[INFO] [stderr]   Downloaded trybuild v1.0.79
[INFO] [stderr]   Downloaded concurrent-queue v2.1.0
[INFO] [stderr]   Downloaded auto_impl v1.0.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.39
[INFO] [stderr]   Downloaded cameleon-device v0.1.12
[INFO] [stderr]   Downloaded xmlparser v0.13.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9eca270d4908d6d2769a3588ae62f6d9f235b478303063cd65e83c9304c3fe6
[INFO] running `Command { std: "docker" "start" "-a" "a9eca270d4908d6d2769a3588ae62f6d9f235b478303063cd65e83c9304c3fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9eca270d4908d6d2769a3588ae62f6d9f235b478303063cd65e83c9304c3fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9eca270d4908d6d2769a3588ae62f6d9f235b478303063cd65e83c9304c3fe6", kill_on_drop: false }`
[INFO] [stdout] a9eca270d4908d6d2769a3588ae62f6d9f235b478303063cd65e83c9304c3fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be0e7ba32c1fafabd5ab7eb555feefb7063ec169a4fa66f9f859cb9ae8465d8b
[INFO] running `Command { std: "docker" "start" "-a" "be0e7ba32c1fafabd5ab7eb555feefb7063ec169a4fa66f9f859cb9ae8465d8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling serde v1.0.155
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking xmlparser v0.13.5
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.155
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling trybuild v1.0.79
[INFO] [stderr]     Checking roxmltree v0.15.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 v2.1.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "be0e7ba32c1fafabd5ab7eb555feefb7063ec169a4fa66f9f859cb9ae8465d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0e7ba32c1fafabd5ab7eb555feefb7063ec169a4fa66f9f859cb9ae8465d8b", kill_on_drop: false }`
[INFO] [stdout] be0e7ba32c1fafabd5ab7eb555feefb7063ec169a4fa66f9f859cb9ae8465d8b
