[INFO] cloning repository https://github.com/cdknight/slidingpuzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdknight/slidingpuzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdknight%2Fslidingpuzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdknight%2Fslidingpuzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 324e39ec065a16d4352e63c28545c9f2e6c5e336
[INFO] checking cdknight/slidingpuzzle against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdknight%2Fslidingpuzzle" "/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/cdknight/slidingpuzzle
[INFO] finished tweaking git repo https://github.com/cdknight/slidingpuzzle
[INFO] tweaked toml for git repo https://github.com/cdknight/slidingpuzzle written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cdknight/slidingpuzzle on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cdknight/slidingpuzzle 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking cdknight/slidingpuzzle against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdknight%2Fslidingpuzzle" "/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/cdknight/slidingpuzzle
[INFO] finished tweaking git repo https://github.com/cdknight/slidingpuzzle
[INFO] tweaked toml for git repo https://github.com/cdknight/slidingpuzzle written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cdknight/slidingpuzzle on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cdknight/slidingpuzzle 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "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 rtp v0.6.8
[INFO] [stderr]   Downloaded ipnet v2.5.1
[INFO] [stderr]   Downloaded ghash v0.4.4
[INFO] [stderr]   Downloaded waitgroup v0.1.2
[INFO] [stderr]   Downloaded webrtc-util v0.7.0
[INFO] [stderr]   Downloaded block-modes v0.7.0
[INFO] [stderr]   Downloaded oid-registry v0.6.0
[INFO] [stderr]   Downloaded webrtc-srtp v0.9.1
[INFO] [stderr]   Downloaded substring v1.4.5
[INFO] [stderr]   Downloaded keyframe_derive v1.0.0
[INFO] [stderr]   Downloaded yasna v0.5.0
[INFO] [stderr]   Downloaded keyframe v1.0.4
[INFO] [stderr]   Downloaded webrtc-media v0.5.0
[INFO] [stderr]   Downloaded uuid v1.2.2
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded webrtc-mdns v0.5.1
[INFO] [stderr]   Downloaded url v2.3.0
[INFO] [stderr]   Downloaded der v0.6.0
[INFO] [stderr]   Downloaded webrtc-data v0.6.0
[INFO] [stderr]   Downloaded x25519-dalek v2.0.0-pre.1
[INFO] [stderr]   Downloaded bytemuck_derive v1.3.0
[INFO] [stderr]   Downloaded sdp v0.5.3
[INFO] [stderr]   Downloaded lebe v0.5.1
[INFO] [stderr]   Downloaded stun v0.4.4
[INFO] [stderr]   Downloaded deflate v1.0.0
[INFO] [stderr]   Downloaded png v0.17.5
[INFO] [stderr]   Downloaded gif v0.11.3
[INFO] [stderr]   Downloaded bzip2 v0.4.3
[INFO] [stderr]   Downloaded turn v0.6.1
[INFO] [stderr]   Downloaded flume v0.10.12
[INFO] [stderr]   Downloaded webrtc v0.6.0
[INFO] [stderr]   Downloaded webrtc-dtls v0.7.0
[INFO] [stderr]   Downloaded zip v0.6.3
[INFO] [stderr]   Downloaded webrtc-sctp v0.7.0
[INFO] [stderr]   Downloaded calloop v0.10.3
[INFO] [stderr]   Downloaded aes-gcm v0.9.4
[INFO] [stderr]   Downloaded webrtc-ice v0.9.0
[INFO] [stderr]   Downloaded glam v0.20.3
[INFO] [stderr]   Downloaded p384 v0.11.2
[INFO] [stderr]   Downloaded ccm v0.3.0
[INFO] [stderr]   Downloaded image v0.24.1
[INFO] [stderr]   Downloaded ggez v0.8.1
[INFO] [stderr]   Downloaded exr v1.4.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.2.4
[INFO] [stderr]   Downloaded tiff v0.7.1
[INFO] [stderr]   Downloaded ash v0.37.1+1.3.235
[INFO] [stderr]   Downloaded camino v1.0.7
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded smart-default v0.6.0
[INFO] [stderr]   Downloaded semver v1.0.7
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.1
[INFO] [stderr]   Downloaded rtcp v0.7.1
[INFO] [stderr]   Downloaded interceptor v0.8.1
[INFO] [stderr]   Downloaded twox-hash v1.6.2
[INFO] [stderr]   Downloaded lyon v1.0.1
[INFO] [stderr]   Downloaded lyon_geom v1.0.3
[INFO] [stderr]   Downloaded lyon_path v1.0.2
[INFO] [stderr]   Downloaded glyph_brush v0.7.3
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.83
[INFO] [stderr]   Downloaded crevice v0.11.0
[INFO] [stderr]   Downloaded crevice-derive v0.10.0
[INFO] [stderr]   Downloaded scratch v1.0.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.83
[INFO] [stderr]   Downloaded arboard v3.2.0
[INFO] [stderr]   Downloaded ordered-float v3.4.0
[INFO] [stderr]   Downloaded link-cplusplus v1.0.7
[INFO] [stderr]   Downloaded cxx v1.0.83
[INFO] [stderr]   Downloaded lyon_algorithms v1.0.2
[INFO] [stderr]   Downloaded gilrs v0.9.0
[INFO] [stderr]   Downloaded cxx-build v1.0.83
[INFO] [stderr]   Downloaded lyon_tessellation v1.0.6
[INFO] [stderr]   Downloaded glyph_brush_draw_cache v0.1.5
[INFO] [stderr]   Downloaded gilrs-core v0.4.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5502c76208d3b6108bac1730f32da33a3562bc9bb6e01aee10465743a0fcc904
[INFO] running `Command { std: "docker" "start" "-a" "5502c76208d3b6108bac1730f32da33a3562bc9bb6e01aee10465743a0fcc904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5502c76208d3b6108bac1730f32da33a3562bc9bb6e01aee10465743a0fcc904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5502c76208d3b6108bac1730f32da33a3562bc9bb6e01aee10465743a0fcc904", kill_on_drop: false }`
[INFO] [stdout] 5502c76208d3b6108bac1730f32da33a3562bc9bb6e01aee10465743a0fcc904
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff545163457567c0501b1c4df22eeeef89b1e13c099c62ff752fc6cc32255f9a
[INFO] running `Command { std: "docker" "start" "-a" "ff545163457567c0501b1c4df22eeeef89b1e13c099c62ff752fc6cc32255f9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling async-trait v0.1.59
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking ipnet v2.5.1
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]     Checking base64ct v1.5.3
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking const-oid v0.9.1
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]     Checking arrayvec v0.7.2
[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" "ff545163457567c0501b1c4df22eeeef89b1e13c099c62ff752fc6cc32255f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff545163457567c0501b1c4df22eeeef89b1e13c099c62ff752fc6cc32255f9a", kill_on_drop: false }`
[INFO] [stdout] ff545163457567c0501b1c4df22eeeef89b1e13c099c62ff752fc6cc32255f9a