[INFO] fetching crate so 0.4.3...
[INFO] checking so-0.4.3 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate so 0.4.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate so 0.4.3 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate so 0.4.3
[INFO] finished tweaking crates.io crate so 0.4.3
[INFO] tweaked toml for crates.io crate so 0.4.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate so 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded selectors v0.22.0
[INFO] [stderr]   Downloaded html5ever v0.25.1
[INFO] [stderr]   Downloaded enumset v1.0.1
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded xi-unicode v0.2.1
[INFO] [stderr]   Downloaded enum-map v0.6.4
[INFO] [stderr]   Downloaded array-macro v1.0.5
[INFO] [stderr]   Downloaded ncurses v5.100.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.2
[INFO] [stderr]   Downloaded crossterm v0.17.7
[INFO] [stderr]   Downloaded tokio-util v0.6.1
[INFO] [stderr]   Downloaded cursive v0.15.0
[INFO] [stderr]   Downloaded phf_codegen v0.8.0
[INFO] [stderr]   Downloaded scraper v0.12.0
[INFO] [stderr]   Downloaded futures-sink v0.3.10
[INFO] [stderr]   Downloaded dtoa-short v0.3.3
[INFO] [stderr]   Downloaded futures-io v0.3.10
[INFO] [stderr]   Downloaded markup5ever v0.10.0
[INFO] [stderr]   Downloaded futures v0.3.10
[INFO] [stderr]   Downloaded servo_arc v0.1.1
[INFO] [stderr]   Downloaded cssparser v0.27.2
[INFO] [stderr]   Downloaded futures-util v0.3.10
[INFO] [stderr]   Downloaded thin-slice v0.1.1
[INFO] [stderr]   Downloaded futures-task v0.3.10
[INFO] [stderr]   Downloaded enum-map-derive v0.4.6
[INFO] [stderr]   Downloaded tokio-stream v0.1.2
[INFO] [stderr]   Downloaded enumset_derive v0.5.0
[INFO] [stderr]   Downloaded async-compression v0.3.7
[INFO] [stderr]   Downloaded cssparser-macros v0.6.0
[INFO] [stderr]   Downloaded directories v2.0.2
[INFO] [stderr]   Downloaded ego-tree v0.6.2
[INFO] [stderr]   Downloaded futures-core v0.3.10
[INFO] [stderr]   Downloaded futures-macro v0.3.10
[INFO] [stderr]   Downloaded syn v1.0.57
[INFO] [stderr]   Downloaded futures-executor v0.3.10
[INFO] [stderr]   Downloaded futures-channel v0.3.10
[INFO] [stderr]   Downloaded cursive_core v0.1.1
[INFO] [stderr]   Downloaded termimad v0.9.2
[INFO] [stderr]   Downloaded minimad v0.6.7
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[INFO] [stderr]   Downloaded pancurses v0.16.1
[INFO] [stderr]   Downloaded tokio v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b5535e00e54ff5bcb72255da854841b0cc8dac84d81f0e9194b90f4c4cb79f3
[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" "9b5535e00e54ff5bcb72255da854841b0cc8dac84d81f0e9194b90f4c4cb79f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b5535e00e54ff5bcb72255da854841b0cc8dac84d81f0e9194b90f4c4cb79f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5535e00e54ff5bcb72255da854841b0cc8dac84d81f0e9194b90f4c4cb79f3", kill_on_drop: false }`
[INFO] [stdout] 9b5535e00e54ff5bcb72255da854841b0cc8dac84d81f0e9194b90f4c4cb79f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fd8c673ee5c2935e4e26b489f899392d3a6374d4b1b68d554ec6c0507aeacd0
[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" "0fd8c673ee5c2935e4e26b489f899392d3a6374d4b1b68d554ec6c0507aeacd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking minimad v0.6.7
[INFO] [stderr]     Checking futures-task v0.3.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking pulldown-cmark v0.7.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking openssl-sys v0.9.60
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking openssl v0.10.32
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.10
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]     Checking enum-map v0.6.4
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.5.0
[INFO] [stderr] error: could not compile `cssparser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.27.2/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=75913daf9451b508 -C extra-filename=-75913daf9451b508 --out-dir /opt/rustwide/target/debug/build/cssparser-75913daf9451b508 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bb4ba7198c8ab084.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-5a69b9c9858fa556.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-fda7030915fe3bea.rlib --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0fd8c673ee5c2935e4e26b489f899392d3a6374d4b1b68d554ec6c0507aeacd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd8c673ee5c2935e4e26b489f899392d3a6374d4b1b68d554ec6c0507aeacd0", kill_on_drop: false }`
[INFO] [stdout] 0fd8c673ee5c2935e4e26b489f899392d3a6374d4b1b68d554ec6c0507aeacd0