[INFO] cloning repository https://github.com/enkatsu/hello-nannou
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enkatsu/hello-nannou" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenkatsu%2Fhello-nannou", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenkatsu%2Fhello-nannou'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9370ec4d87030cad18f5541c4be69098b562224
[INFO] checking enkatsu/hello-nannou against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenkatsu%2Fhello-nannou" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/enkatsu/hello-nannou
[INFO] finished tweaking git repo https://github.com/enkatsu/hello-nannou
[INFO] tweaked toml for git repo https://github.com/enkatsu/hello-nannou written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/enkatsu/hello-nannou on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/enkatsu/hello-nannou 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "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 gfx-renderdoc v0.1.0
[INFO] [stderr]   Downloaded wgpu-types v0.9.3
[INFO] [stderr]   Downloaded rose_tree v0.2.0
[INFO] [stderr]   Downloaded wgpu v0.9.0
[INFO] [stderr]   Downloaded gpu-alloc v0.4.7
[INFO] [stderr]   Downloaded conrod_derive v0.74.0
[INFO] [stderr]   Downloaded conrod_winit v0.74.0
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded gfx-auxil v0.10.0
[INFO] [stderr]   Downloaded nannou_core v0.17.0
[INFO] [stderr]   Downloaded conrod_wgpu v0.74.0
[INFO] [stderr]   Downloaded noise v0.7.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.9.0
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.9.1
[INFO] [stderr]   Downloaded glam v0.16.0
[INFO] [stderr]   Downloaded glow v0.9.0
[INFO] [stderr]   Downloaded wgpu-core v0.9.3
[INFO] [stderr]   Downloaded nannou v0.17.1
[INFO] [stderr]   Downloaded gfx-backend-metal v0.9.1
[INFO] [stderr]   Downloaded gfx-backend-gl v0.9.0
[INFO] [stderr]   Downloaded thunderdome v0.4.2
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.9.0
[INFO] [stderr]   Downloaded conrod_core v0.74.0
[INFO] [stderr]   Downloaded gfx-backend-empty v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e354987e06d5e93e2f3014253479d729d4879855f907149755e744a036bcc74
[INFO] running `Command { std: "docker" "start" "-a" "7e354987e06d5e93e2f3014253479d729d4879855f907149755e744a036bcc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e354987e06d5e93e2f3014253479d729d4879855f907149755e744a036bcc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e354987e06d5e93e2f3014253479d729d4879855f907149755e744a036bcc74", kill_on_drop: false }`
[INFO] [stdout] 7e354987e06d5e93e2f3014253479d729d4879855f907149755e744a036bcc74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e331ab5a5cdb7c7681cb0de58bb540df62ad0beebb020d5ed401dc3bf56a7e77
[INFO] running `Command { std: "docker" "start" "-a" "e331ab5a5cdb7c7681cb0de58bb540df62ad0beebb020d5ed401dc3bf56a7e77", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling drm-fourcc v2.2.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[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]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[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" "e331ab5a5cdb7c7681cb0de58bb540df62ad0beebb020d5ed401dc3bf56a7e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e331ab5a5cdb7c7681cb0de58bb540df62ad0beebb020d5ed401dc3bf56a7e77", kill_on_drop: false }`
[INFO] [stdout] e331ab5a5cdb7c7681cb0de58bb540df62ad0beebb020d5ed401dc3bf56a7e77