[INFO] fetching crate skribo 0.1.0...
[INFO] testing skribo-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate skribo 0.1.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate skribo 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate skribo 0.1.0
[INFO] finished tweaking crates.io crate skribo 0.1.0
[INFO] tweaked toml for crates.io crate skribo 0.1.0 written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate crates.io crate skribo 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c289e008f7a9e596e398594e465417ec70408fe83b24ac882e6b86ac38f51ce6
[INFO] running `Command { std: "docker" "start" "-a" "c289e008f7a9e596e398594e465417ec70408fe83b24ac882e6b86ac38f51ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c289e008f7a9e596e398594e465417ec70408fe83b24ac882e6b86ac38f51ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c289e008f7a9e596e398594e465417ec70408fe83b24ac882e6b86ac38f51ce6", kill_on_drop: false }`
[INFO] [stdout] c289e008f7a9e596e398594e465417ec70408fe83b24ac882e6b86ac38f51ce6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdbeee46c4c036999701c869c4d19715522274b99c2bf5aff221c6b5279f825e
[INFO] running `Command { std: "docker" "start" "-a" "cdbeee46c4c036999701c869c4d19715522274b99c2bf5aff221c6b5279f825e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.39
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.0
[INFO] [stderr]    Compiling font-kit v0.6.0
[INFO] [stderr]    Compiling harfbuzz v0.3.1
[INFO] [stderr]    Compiling skribo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cluster`
[INFO] [stdout]   --> src/session.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub cluster: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `advance`
[INFO] [stdout]   --> src/session.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub advance: Vector2F,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unsafe_to_break`
[INFO] [stdout]   --> src/session.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub unsafe_to_break: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `debug_script_runs`
[INFO] [stdout]    --> src/session.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn debug_script_runs(text: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "cdbeee46c4c036999701c869c4d19715522274b99c2bf5aff221c6b5279f825e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbeee46c4c036999701c869c4d19715522274b99c2bf5aff221c6b5279f825e", kill_on_drop: false }`
[INFO] [stdout] cdbeee46c4c036999701c869c4d19715522274b99c2bf5aff221c6b5279f825e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e2ad8acfb5aa13f433b6cb97161e31aa7cb04f11e135b1dba2b4e6c73d02c03
[INFO] running `Command { std: "docker" "start" "-a" "1e2ad8acfb5aa13f433b6cb97161e31aa7cb04f11e135b1dba2b4e6c73d02c03", 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]    Compiling skribo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `cluster`
[INFO] [stdout]   --> src/session.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub cluster: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `advance`
[INFO] [stdout]   --> src/session.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub advance: Vector2F,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unsafe_to_break`
[INFO] [stdout]   --> src/session.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub unsafe_to_break: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `debug_script_runs`
[INFO] [stdout]    --> src/session.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn debug_script_runs(text: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `paint_layout`
[INFO] [stdout]   --> examples/render.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn paint_layout(&mut self, layout: &Layout, x: i32, y: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cluster`
[INFO] [stdout]   --> src/session.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub cluster: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `advance`
[INFO] [stdout]   --> src/session.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub advance: Vector2F,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unsafe_to_break`
[INFO] [stdout]   --> src/session.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub unsafe_to_break: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `debug_script_runs`
[INFO] [stdout]    --> src/session.rs:221:4
[INFO] [stdout]     |
[INFO] [stdout] 221 | fn debug_script_runs(text: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "1e2ad8acfb5aa13f433b6cb97161e31aa7cb04f11e135b1dba2b4e6c73d02c03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2ad8acfb5aa13f433b6cb97161e31aa7cb04f11e135b1dba2b4e6c73d02c03", kill_on_drop: false }`
[INFO] [stdout] 1e2ad8acfb5aa13f433b6cb97161e31aa7cb04f11e135b1dba2b4e6c73d02c03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ba409e23aeec583e30619beedec5c20deba481ee4cd83875575c2fb8033f503
[INFO] running `Command { std: "docker" "start" "-a" "2ba409e23aeec583e30619beedec5c20deba481ee4cd83875575c2fb8033f503", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `cluster`
[INFO] [stderr]   --> src/session.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub cluster: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `advance`
[INFO] [stderr]   --> src/session.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub advance: Vector2F,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `unsafe_to_break`
[INFO] [stderr]   --> src/session.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub unsafe_to_break: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `debug_script_runs`
[INFO] [stderr]    --> src/session.rs:221:4
[INFO] [stderr]     |
[INFO] [stderr] 221 | fn debug_script_runs(text: &str) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `skribo` (lib) generated 4 warnings
[INFO] [stderr] warning: `skribo` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: associated function is never used: `paint_layout`
[INFO] [stderr]   --> examples/render.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn paint_layout(&mut self, layout: &Layout, x: i32, y: i32) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `skribo` (example "render") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/skribo-e55ffca43fe31f97)
[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 skribo
[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" "2ba409e23aeec583e30619beedec5c20deba481ee4cd83875575c2fb8033f503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba409e23aeec583e30619beedec5c20deba481ee4cd83875575c2fb8033f503", kill_on_drop: false }`
[INFO] [stdout] 2ba409e23aeec583e30619beedec5c20deba481ee4cd83875575c2fb8033f503