[INFO] fetching crate titik 0.2.1...
[INFO] checking titik-0.2.1 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate titik 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate titik 0.2.1 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate titik 0.2.1
[INFO] finished tweaking crates.io crate titik 0.2.1
[INFO] tweaked toml for crates.io crate titik 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate titik 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", 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] 6e9a0c99ddc1c0f511b374ab41f825971dcbeac5e7393711fce6d4056f42b9f4
[INFO] running `Command { std: "docker" "start" "-a" "6e9a0c99ddc1c0f511b374ab41f825971dcbeac5e7393711fce6d4056f42b9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e9a0c99ddc1c0f511b374ab41f825971dcbeac5e7393711fce6d4056f42b9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9a0c99ddc1c0f511b374ab41f825971dcbeac5e7393711fce6d4056f42b9f4", kill_on_drop: false }`
[INFO] [stdout] 6e9a0c99ddc1c0f511b374ab41f825971dcbeac5e7393711fce6d4056f42b9f4
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--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] 91e514baac4fd05ae9430d3da0177aa8c75ceb0a1fd2e2aed34d5aa3a6818ee0
[INFO] running `Command { std: "docker" "start" "-a" "91e514baac4fd05ae9430d3da0177aa8c75ceb0a1fd2e2aed34d5aa3a6818ee0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking xmlparser v0.13.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking unicode-script v0.5.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking ttf-parser v0.3.0
[INFO] [stderr]     Checking sw-composite v0.7.7
[INFO] [stderr]     Checking rgb v0.8.16
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking dot-canvas v0.1.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking unicode-canvas v0.1.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking roxmltree v0.9.1
[INFO] [stderr]     Checking kurbo v0.5.11
[INFO] [stderr]     Checking ito-canvas v0.1.0
[INFO] [stderr]     Checking svgfilters v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking sauron_vdom v0.26.0
[INFO] [stderr]     Checking stretch v0.3.2
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking harfbuzz_rs v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking euclid v0.20.8
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking usvg v0.9.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking lyon_geom v0.15.1
[INFO] [stderr]     Checking raqote v0.7.14
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.0
[INFO] [stderr]     Checking resvg v0.9.0
[INFO] [stderr]     Checking titik v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.68s
[INFO] running `Command { std: "docker" "inspect" "91e514baac4fd05ae9430d3da0177aa8c75ceb0a1fd2e2aed34d5aa3a6818ee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e514baac4fd05ae9430d3da0177aa8c75ceb0a1fd2e2aed34d5aa3a6818ee0", kill_on_drop: false }`
[INFO] [stdout] 91e514baac4fd05ae9430d3da0177aa8c75ceb0a1fd2e2aed34d5aa3a6818ee0