[INFO] cloning repository https://github.com/0x5459/show-gpus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x5459/show-gpus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x5459%2Fshow-gpus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x5459%2Fshow-gpus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da558793b4d2f161963a2dde1206660d797add19
[INFO] checking 0x5459/show-gpus against master#8b6b15b877fbceb1ee5d9a5a4746e7515901574a for pr-147294
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x5459%2Fshow-gpus" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0x5459/show-gpus
[INFO] finished tweaking git repo https://github.com/0x5459/show-gpus
[INFO] tweaked toml for git repo https://github.com/0x5459/show-gpus written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0x5459/show-gpus on toolchain 8b6b15b877fbceb1ee5d9a5a4746e7515901574a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0x5459/show-gpus 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" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "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 temp-env v0.3.4
[INFO] [stderr]   Downloaded rust-gpu-tools v0.7.2
[INFO] [stderr]   Downloaded once_cell v1.17.2
[INFO] [stderr]   Downloaded fil-rustacuda v0.1.3
[INFO] [stderr]   Downloaded opencl-sys v0.2.4
[INFO] [stderr]   Downloaded cl3 v0.9.1
[INFO] [stderr]   Downloaded opencl3 v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 495b07ea6800d012ec77e0f2c8b410d2fa196c7069b59a1379c182cb4799b5b7
[INFO] running `Command { std: "docker" "start" "-a" "495b07ea6800d012ec77e0f2c8b410d2fa196c7069b59a1379c182cb4799b5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "495b07ea6800d012ec77e0f2c8b410d2fa196c7069b59a1379c182cb4799b5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495b07ea6800d012ec77e0f2c8b410d2fa196c7069b59a1379c182cb4799b5b7", kill_on_drop: false }`
[INFO] [stdout] 495b07ea6800d012ec77e0f2c8b410d2fa196c7069b59a1379c182cb4799b5b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8b6b15b877fbceb1ee5d9a5a4746e7515901574a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d9baab5caefa889285ce0af7c492f3a8d52a037297d720ea8fa87ac84d921b
[INFO] running `Command { std: "docker" "start" "-a" "e7d9baab5caefa889285ce0af7c492f3a8d52a037297d720ea8fa87ac84d921b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling opencl-sys v0.2.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking once_cell v1.17.2
[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] 
[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" "e7d9baab5caefa889285ce0af7c492f3a8d52a037297d720ea8fa87ac84d921b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d9baab5caefa889285ce0af7c492f3a8d52a037297d720ea8fa87ac84d921b", kill_on_drop: false }`
[INFO] [stdout] e7d9baab5caefa889285ce0af7c492f3a8d52a037297d720ea8fa87ac84d921b
