[INFO] cloning repository https://github.com/DanielSobrino/rust-sokoban
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanielSobrino/rust-sokoban" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielSobrino%2Frust-sokoban", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielSobrino%2Frust-sokoban'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a40a0a4fed28ff0a9feb1cce9f647eea8c7109c
[INFO] checking DanielSobrino/rust-sokoban against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielSobrino%2Frust-sokoban" "/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/DanielSobrino/rust-sokoban
[INFO] finished tweaking git repo https://github.com/DanielSobrino/rust-sokoban
[INFO] tweaked toml for git repo https://github.com/DanielSobrino/rust-sokoban written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DanielSobrino/rust-sokoban on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DanielSobrino/rust-sokoban 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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab0ea6cf524e0e8ab9a6a107c586d2f6f535bfc3252ef9f90c61cde19e93111a
[INFO] running `Command { std: "docker" "start" "-a" "ab0ea6cf524e0e8ab9a6a107c586d2f6f535bfc3252ef9f90c61cde19e93111a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab0ea6cf524e0e8ab9a6a107c586d2f6f535bfc3252ef9f90c61cde19e93111a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0ea6cf524e0e8ab9a6a107c586d2f6f535bfc3252ef9f90c61cde19e93111a", kill_on_drop: false }`
[INFO] [stdout] ab0ea6cf524e0e8ab9a6a107c586d2f6f535bfc3252ef9f90c61cde19e93111a
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c41d8f734ba6482e50bdfdfc2363771b1006eea44d3f479a3cb1851a5c5e8cda
[INFO] running `Command { std: "docker" "start" "-a" "c41d8f734ba6482e50bdfdfc2363771b1006eea44d3f479a3cb1851a5c5e8cda", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling x11-dl v2.20.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking euclid v0.22.7
[INFO] [stderr]     Checking wayland-sys v0.28.6
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking owned_ttf_parser v0.17.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 error-chain v0.12.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[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" "c41d8f734ba6482e50bdfdfc2363771b1006eea44d3f479a3cb1851a5c5e8cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41d8f734ba6482e50bdfdfc2363771b1006eea44d3f479a3cb1851a5c5e8cda", kill_on_drop: false }`
[INFO] [stdout] c41d8f734ba6482e50bdfdfc2363771b1006eea44d3f479a3cb1851a5c5e8cda
