[INFO] cloning repository https://github.com/Aboussejra/rust_python_variable_explorer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aboussejra/rust_python_variable_explorer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAboussejra%2Frust_python_variable_explorer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAboussejra%2Frust_python_variable_explorer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f83cdd927d6fa998314da01baf27c2716e7abca
[INFO] checking Aboussejra/rust_python_variable_explorer against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAboussejra%2Frust_python_variable_explorer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aboussejra/rust_python_variable_explorer
[INFO] finished tweaking git repo https://github.com/Aboussejra/rust_python_variable_explorer
[INFO] tweaked toml for git repo https://github.com/Aboussejra/rust_python_variable_explorer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aboussejra/rust_python_variable_explorer on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aboussejra/rust_python_variable_explorer 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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ubyte v0.10.3
[INFO] [stderr]   Downloaded ghash v0.5.0
[INFO] [stderr]   Downloaded async-stream-impl v0.3.3
[INFO] [stderr]   Downloaded devise v0.3.1
[INFO] [stderr]   Downloaded pear_codegen v0.2.3
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.14
[INFO] [stderr]   Downloaded generator v0.7.2
[INFO] [stderr]   Downloaded indoc v1.0.8
[INFO] [stderr]   Downloaded async-trait v0.1.61
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded pyo3-build-config v0.18.0
[INFO] [stderr]   Downloaded pyo3-ffi v0.18.0
[INFO] [stderr]   Downloaded figment v0.10.8
[INFO] [stderr]   Downloaded rocket_codegen v0.5.0-rc.2
[INFO] [stderr]   Downloaded aes v0.8.2
[INFO] [stderr]   Downloaded aes-gcm v0.10.1
[INFO] [stderr]   Downloaded hkdf v0.12.3
[INFO] [stderr]   Downloaded hyper v0.14.23
[INFO] [stderr]   Downloaded h2 v0.3.15
[INFO] [stderr]   Downloaded rocket_http v0.5.0-rc.2
[INFO] [stderr]   Downloaded base64 v0.20.0
[INFO] [stderr]   Downloaded rocket v0.5.0-rc.2
[INFO] [stderr]   Downloaded pear v0.2.3
[INFO] [stderr]   Downloaded ref-cast v1.0.14
[INFO] [stderr]   Downloaded rustversion v1.0.11
[INFO] [stderr]   Downloaded target-lexicon v0.12.5
[INFO] [stderr]   Downloaded pyo3 v0.18.0
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded async-stream v0.3.3
[INFO] [stderr]   Downloaded atomic v0.5.1
[INFO] [stderr]   Downloaded multer v2.0.4
[INFO] [stderr]   Downloaded devise_codegen v0.3.1
[INFO] [stderr]   Downloaded devise_core v0.3.1
[INFO] [stderr]   Downloaded aead v0.5.1
[INFO] [stderr]   Downloaded universal-hash v0.5.0
[INFO] [stderr]   Downloaded tokio v1.24.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.39.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.39.0
[INFO] [stderr]   Downloaded uncased v0.9.7
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.39.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.39.0
[INFO] [stderr]   Downloaded state v0.5.3
[INFO] [stderr]   Downloaded windows_i686_gnu v0.39.0
[INFO] [stderr]   Downloaded time-macros v0.2.6
[INFO] [stderr]   Downloaded windows v0.39.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.18.0
[INFO] [stderr]   Downloaded pyo3-macros v0.18.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f242425287eb8953b00de4e2e90a518f4aa20889279046b194e70c10eefa6790
[INFO] running `Command { std: "docker" "start" "-a" "f242425287eb8953b00de4e2e90a518f4aa20889279046b194e70c10eefa6790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f242425287eb8953b00de4e2e90a518f4aa20889279046b194e70c10eefa6790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f242425287eb8953b00de4e2e90a518f4aa20889279046b194e70c10eefa6790", kill_on_drop: false }`
[INFO] [stdout] f242425287eb8953b00de4e2e90a518f4aa20889279046b194e70c10eefa6790
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97bec729b7dee5806fb53a72cf6fe98ceb8d4bfb90c631a307f0dce960ec042b
[INFO] running `Command { std: "docker" "start" "-a" "97bec729b7dee5806fb53a72cf6fe98ceb8d4bfb90c631a307f0dce960ec042b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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]    Compiling target-lexicon v0.12.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.6.4
[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" "97bec729b7dee5806fb53a72cf6fe98ceb8d4bfb90c631a307f0dce960ec042b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bec729b7dee5806fb53a72cf6fe98ceb8d4bfb90c631a307f0dce960ec042b", kill_on_drop: false }`
[INFO] [stdout] 97bec729b7dee5806fb53a72cf6fe98ceb8d4bfb90c631a307f0dce960ec042b
