[INFO] cloning repository https://github.com/shastro/fast_circles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shastro/fast_circles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshastro%2Ffast_circles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshastro%2Ffast_circles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aeb860484f559b6a93982ab7ed5dc045197679e5
[INFO] checking shastro/fast_circles against try#2278ef25f90817c20d6dd0d2da58a990eb6f53cb for pr-145108-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshastro%2Ffast_circles" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shastro/fast_circles
[INFO] finished tweaking git repo https://github.com/shastro/fast_circles
[INFO] tweaked toml for git repo https://github.com/shastro/fast_circles written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shastro/fast_circles on toolchain 2278ef25f90817c20d6dd0d2da58a990eb6f53cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shastro/fast_circles 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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wgpu-types v0.11.0
[INFO] [stderr]   Downloaded nannou_wgpu v0.18.0
[INFO] [stderr]   Downloaded wgpu-core v0.11.3
[INFO] [stderr]   Downloaded nannou v0.18.1
[INFO] [stderr]   Downloaded nannou_core v0.18.0
[INFO] [stderr]   Downloaded mio-misc v1.2.2
[INFO] [stderr]   Downloaded random v0.13.2
[INFO] [stderr]   Downloaded wgpu-hal v0.11.5
[INFO] [stderr]   Downloaded nannou_mesh v0.18.0
[INFO] [stderr]   Downloaded naga v0.7.3
[INFO] [stderr]   Downloaded ash v0.33.3+1.2.191
[INFO] [stderr]   Downloaded wgpu v0.11.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2e6ea48c9ceb6b5bb57246b91abb1a03de045dd81e62e357760b445969bea4b
[INFO] running `Command { std: "docker" "start" "-a" "c2e6ea48c9ceb6b5bb57246b91abb1a03de045dd81e62e357760b445969bea4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2e6ea48c9ceb6b5bb57246b91abb1a03de045dd81e62e357760b445969bea4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e6ea48c9ceb6b5bb57246b91abb1a03de045dd81e62e357760b445969bea4b", kill_on_drop: false }`
[INFO] [stdout] c2e6ea48c9ceb6b5bb57246b91abb1a03de045dd81e62e357760b445969bea4b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cb4cd48a2fd72f4178d214e17718f85ddb3c460ec7222ea5ee8f1450204f0cf
[INFO] running `Command { std: "docker" "start" "-a" "9cb4cd48a2fd72f4178d214e17718f85ddb3c460ec7222ea5ee8f1450204f0cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking euclid v0.22.7
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling wgpu-core v0.11.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ash v0.33.3+1.2.191
[INFO] [stderr]     Checking wgpu-types v0.11.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[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" "9cb4cd48a2fd72f4178d214e17718f85ddb3c460ec7222ea5ee8f1450204f0cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb4cd48a2fd72f4178d214e17718f85ddb3c460ec7222ea5ee8f1450204f0cf", kill_on_drop: false }`
[INFO] [stdout] 9cb4cd48a2fd72f4178d214e17718f85ddb3c460ec7222ea5ee8f1450204f0cf