[INFO] fetching crate grass 0.10.8...
[INFO] testing grass-0.10.8 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate grass 0.10.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate grass 0.10.8 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grass 0.10.8
[INFO] finished tweaking crates.io crate grass 0.10.8
[INFO] tweaked toml for crates.io crate grass 0.10.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate grass 0.10.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86726c7edbcfabd4c6c50022d6268b35e7b007842d7e7104376b306955cef3d3
[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" "86726c7edbcfabd4c6c50022d6268b35e7b007842d7e7104376b306955cef3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86726c7edbcfabd4c6c50022d6268b35e7b007842d7e7104376b306955cef3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86726c7edbcfabd4c6c50022d6268b35e7b007842d7e7104376b306955cef3d3", kill_on_drop: false }`
[INFO] [stdout] 86726c7edbcfabd4c6c50022d6268b35e7b007842d7e7104376b306955cef3d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2f5dd11e0c666347757d6d975c402bb982b784f774f5995159b4c0860202542
[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" "a2f5dd11e0c666347757d6d975c402bb982b784f774f5995159b4c0860202542", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling phf_generator v0.9.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling lasso v0.5.1
[INFO] [stderr]    Compiling phf_macros v0.9.0
[INFO] [stderr]    Compiling phf v0.9.0
[INFO] [stderr]    Compiling grass v0.10.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `super_selector`
[INFO] [stdout]  --> src/atrule/unknown.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub super_selector: Selector,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `left`
[INFO] [stdout]   --> src/selector/extend/extension.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub left: Option<Box<Extension>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `right`
[INFO] [stdout]   --> src/selector/extend/extension.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub right: Option<Box<Extension>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `selector`
[INFO] [stdout]  --> src/selector/extend/rule.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub selector: Selector,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]  --> src/selector/extend/rule.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub span: Span,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "a2f5dd11e0c666347757d6d975c402bb982b784f774f5995159b4c0860202542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f5dd11e0c666347757d6d975c402bb982b784f774f5995159b4c0860202542", kill_on_drop: false }`
[INFO] [stdout] a2f5dd11e0c666347757d6d975c402bb982b784f774f5995159b4c0860202542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91888843b7ffbdb57d918233ec862645e29a9875888a71b880f50d4245545127
[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" "91888843b7ffbdb57d918233ec862645e29a9875888a71b880f50d4245545127", kill_on_drop: false }`
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stdout] warning: field is never read: `super_selector`
[INFO] [stdout]  --> src/atrule/unknown.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub super_selector: Selector,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `left`
[INFO] [stdout]   --> src/selector/extend/extension.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub left: Option<Box<Extension>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `right`
[INFO] [stdout]   --> src/selector/extend/extension.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub right: Option<Box<Extension>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `selector`
[INFO] [stdout]  --> src/selector/extend/rule.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub selector: Selector,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]  --> src/selector/extend/rule.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub span: Span,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling grass v0.10.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `super_selector`
[INFO] [stdout]  --> src/atrule/unknown.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub super_selector: Selector,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `left`
[INFO] [stdout]   --> src/selector/extend/extension.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub left: Option<Box<Extension>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `right`
[INFO] [stdout]   --> src/selector/extend/extension.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub right: Option<Box<Extension>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `selector`
[INFO] [stdout]  --> src/selector/extend/rule.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub selector: Selector,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]  --> src/selector/extend/rule.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub span: Span,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.53s
[INFO] running `Command { std: "docker" "inspect" "91888843b7ffbdb57d918233ec862645e29a9875888a71b880f50d4245545127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91888843b7ffbdb57d918233ec862645e29a9875888a71b880f50d4245545127", kill_on_drop: false }`
[INFO] [stdout] 91888843b7ffbdb57d918233ec862645e29a9875888a71b880f50d4245545127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", 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] a4db4d1d4c4975cb4640dcd25535e10d9abd8fdff1d8749db0e3093c797a6880
[INFO] running `Command { std: "docker" "start" "-a" "a4db4d1d4c4975cb4640dcd25535e10d9abd8fdff1d8749db0e3093c797a6880", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `super_selector`
[INFO] [stderr]  --> src/atrule/unknown.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub super_selector: Selector,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `left`
[INFO] [stderr]   --> src/selector/extend/extension.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub left: Option<Box<Extension>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `right`
[INFO] [stderr]   --> src/selector/extend/extension.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub right: Option<Box<Extension>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `selector`
[INFO] [stderr]  --> src/selector/extend/rule.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub selector: Selector,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `span`
[INFO] [stderr]  --> src/selector/extend/rule.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub span: Span,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `grass` (lib) generated 5 warnings
[INFO] [stderr] warning: `grass` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grass-5f8d56664fa13465)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test builtin::functions::color::opacity::test::test_is_ms_filter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grass-53eb31baef485697)
[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 grass
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/selector/extend/functions.rs - selector::extend::functions::paths (line 703) - compile ... ok
[INFO] [stdout] test src/lib.rs - from_string (line 327) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - from_path (line 312) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - from_path (line 312) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: SassError { kind: IoError(Os { code: 2, kind: NotFound, message: "No such file or directory" }) }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - from_path (line 312)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "a4db4d1d4c4975cb4640dcd25535e10d9abd8fdff1d8749db0e3093c797a6880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4db4d1d4c4975cb4640dcd25535e10d9abd8fdff1d8749db0e3093c797a6880", kill_on_drop: false }`
[INFO] [stdout] a4db4d1d4c4975cb4640dcd25535e10d9abd8fdff1d8749db0e3093c797a6880