[INFO] fetching crate sdl2-unifont 1.0.1...
[INFO] testing sdl2-unifont-1.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate sdl2-unifont 1.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sdl2-unifont 1.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sdl2-unifont 1.0.1
[INFO] finished tweaking crates.io crate sdl2-unifont 1.0.1
[INFO] tweaked toml for crates.io crate sdl2-unifont 1.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-lzma v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c797e98376f088246272ab05e75304f47a3f0d7fb9a66cc80184ab5242b4df44
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c797e98376f088246272ab05e75304f47a3f0d7fb9a66cc80184ab5242b4df44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c797e98376f088246272ab05e75304f47a3f0d7fb9a66cc80184ab5242b4df44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c797e98376f088246272ab05e75304f47a3f0d7fb9a66cc80184ab5242b4df44", kill_on_drop: false }`
[INFO] [stdout] c797e98376f088246272ab05e75304f47a3f0d7fb9a66cc80184ab5242b4df44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baf3d67e496e9303792aa4bca3c3fd4db82a0f6b8ba542e389d7fa9807f659be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "baf3d67e496e9303792aa4bca3c3fd4db82a0f6b8ba542e389d7fa9807f659be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling rust-lzma v0.3.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling sdl2-unifont v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "baf3d67e496e9303792aa4bca3c3fd4db82a0f6b8ba542e389d7fa9807f659be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf3d67e496e9303792aa4bca3c3fd4db82a0f6b8ba542e389d7fa9807f659be", kill_on_drop: false }`
[INFO] [stdout] baf3d67e496e9303792aa4bca3c3fd4db82a0f6b8ba542e389d7fa9807f659be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e73087480398163e090bf100f7614d572f4ab7f98d783610ad167db7b4b931d8
[INFO] running `Command { std: "docker" "start" "-a" "e73087480398163e090bf100f7614d572f4ab7f98d783610ad167db7b4b931d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-unifont v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> examples/demo.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// Rainbow text colours, from back to front
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `colours` should have an upper case name
[INFO] [stdout]   --> examples/demo.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static ref colours: [Box<Color>; 12] = [
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `COLOURS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "e73087480398163e090bf100f7614d572f4ab7f98d783610ad167db7b4b931d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73087480398163e090bf100f7614d572f4ab7f98d783610ad167db7b4b931d8", kill_on_drop: false }`
[INFO] [stdout] e73087480398163e090bf100f7614d572f4ab7f98d783610ad167db7b4b931d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b4b07019be79ea09923c7f4d95a15b430b76bdda275cff38de186907e5df538
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b4b07019be79ea09923c7f4d95a15b430b76bdda275cff38de186907e5df538", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> examples/demo.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | /// Rainbow text colours, from back to front
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `colours` should have an upper case name
[INFO] [stderr]   --> examples/demo.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     static ref colours: [Box<Color>; 12] = [
[INFO] [stderr]    |                ^^^^^^^ help: convert the identifier to upper case: `COLOURS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sdl2_unifont-8e45d24ca6dfd6ce
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sdl2-unifont
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b4b07019be79ea09923c7f4d95a15b430b76bdda275cff38de186907e5df538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4b07019be79ea09923c7f4d95a15b430b76bdda275cff38de186907e5df538", kill_on_drop: false }`
[INFO] [stdout] 6b4b07019be79ea09923c7f4d95a15b430b76bdda275cff38de186907e5df538