[INFO] fetching crate cssparser 0.28.0...
[INFO] testing cssparser-0.28.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cssparser 0.28.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cssparser 0.28.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cssparser 0.28.0
[INFO] finished tweaking crates.io crate cssparser 0.28.0
[INFO] tweaked toml for crates.io crate cssparser 0.28.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5405041cc6d4aa195a7f1027c3466f9ee9fab195122d4d597921ceb4735fba0
[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" "d5405041cc6d4aa195a7f1027c3466f9ee9fab195122d4d597921ceb4735fba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5405041cc6d4aa195a7f1027c3466f9ee9fab195122d4d597921ceb4735fba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5405041cc6d4aa195a7f1027c3466f9ee9fab195122d4d597921ceb4735fba0", kill_on_drop: false }`
[INFO] [stdout] d5405041cc6d4aa195a7f1027c3466f9ee9fab195122d4d597921ceb4735fba0
[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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] e99588c9bd620c8513abc60a7afcbf61cf6e5d11978b5eb0ffdf21edf7a78f1a
[INFO] running `Command { std: "docker" "start" "-a" "e99588c9bd620c8513abc60a7afcbf61cf6e5d11978b5eb0ffdf21edf7a78f1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dtoa-short v0.3.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling cssparser v0.28.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.53s
[INFO] running `Command { std: "docker" "inspect" "e99588c9bd620c8513abc60a7afcbf61cf6e5d11978b5eb0ffdf21edf7a78f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99588c9bd620c8513abc60a7afcbf61cf6e5d11978b5eb0ffdf21edf7a78f1a", kill_on_drop: false }`
[INFO] [stdout] e99588c9bd620c8513abc60a7afcbf61cf6e5d11978b5eb0ffdf21edf7a78f1a
[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=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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d383e23dd6b62634ed08415b7795048e42ed419de4c297a50a3fa440ceae1c67
[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" "d383e23dd6b62634ed08415b7795048e42ed419de4c297a50a3fa440ceae1c67", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling cssparser v0.28.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/css-parsing-tests/component_value_list.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         include_str!("css-parsing-tests/component_value_list.json"),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/one_component_value.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         include_str!("css-parsing-tests/one_component_value.json"),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/declaration_list.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         include_str!("css-parsing-tests/declaration_list.json"),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/one_declaration.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         include_str!("css-parsing-tests/one_declaration.json"),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/rule_list.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 157 |     run_json_tests(include_str!("css-parsing-tests/rule_list.json"), |input| {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/stylesheet.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |     run_json_tests(include_str!("css-parsing-tests/stylesheet.json"), |input| {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/one_rule.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:179:20
[INFO] [stdout]     |
[INFO] [stdout] 179 |     run_json_tests(include_str!("css-parsing-tests/one_rule.json"), |input| {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/stylesheet_bytes.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |         include_str!("css-parsing-tests/stylesheet_bytes.json"),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/color3.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:367:21
[INFO] [stdout]     |
[INFO] [stdout] 367 |     run_color_tests(include_str!("css-parsing-tests/color3.json"), |c| {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/color3_hsl.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:374:21
[INFO] [stdout]     |
[INFO] [stdout] 374 |     run_color_tests(include_str!("css-parsing-tests/color3_hsl.json"), |c| {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/color3_keywords.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:383:9
[INFO] [stdout]     |
[INFO] [stdout] 383 |         include_str!("css-parsing-tests/color3_keywords.json"),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/An+B.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:390:20
[INFO] [stdout]     |
[INFO] [stdout] 390 |     run_json_tests(include_str!("css-parsing-tests/An+B.json"), |input| {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/urange.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:404:20
[INFO] [stdout]     |
[INFO] [stdout] 404 |     run_json_tests(include_str!("css-parsing-tests/urange.json"), |input| {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/css-parsing-tests/component_value_list.json: No such file or directory (os error 2)
[INFO] [stdout]    --> src/tests.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |         include_str!("css-parsing-tests/component_value_list.json"),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cssparser`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d383e23dd6b62634ed08415b7795048e42ed419de4c297a50a3fa440ceae1c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d383e23dd6b62634ed08415b7795048e42ed419de4c297a50a3fa440ceae1c67", kill_on_drop: false }`
[INFO] [stdout] d383e23dd6b62634ed08415b7795048e42ed419de4c297a50a3fa440ceae1c67