[INFO] fetching crate ikon 0.1.0-beta.16...
[INFO] checking ikon-0.1.0-beta.16 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate ikon 0.1.0-beta.16 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ikon 0.1.0-beta.16 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ikon 0.1.0-beta.16
[INFO] finished tweaking crates.io crate ikon 0.1.0-beta.16
[INFO] tweaked toml for crates.io crate ikon 0.1.0-beta.16 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-vo v0.1.0
[INFO] [stderr]   Downloaded xmlwriter v0.1.0
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded simplecss v0.2.0
[INFO] [stderr]   Downloaded data-url v0.1.0
[INFO] [stderr]   Downloaded freetype v0.5.1
[INFO] [stderr]   Downloaded ttf-parser v0.2.2
[INFO] [stderr]   Downloaded usvg v0.8.0
[INFO] [stderr]   Downloaded resvg v0.8.0
[INFO] [stderr]   Downloaded sw-composite v0.5.10
[INFO] [stderr]   Downloaded roxmltree v0.7.3
[INFO] [stderr]   Downloaded image v0.22.5
[INFO] [stderr]   Downloaded harfbuzz_rs v1.2.0
[INFO] [stderr]   Downloaded raqote v0.6.4
[INFO] [stderr]   Downloaded euclid v0.20.14
[INFO] [stderr]   Downloaded kurbo v0.2.3
[INFO] [stderr]   Downloaded png v0.15.3
[INFO] [stderr]   Downloaded freetype-sys v0.11.0
[INFO] [stderr]   Downloaded harfbuzz-sys v0.4.1
[INFO] [stderr]   Downloaded xmlparser v0.10.0
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded unicode-script v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 745d8d13a680c6f6d77d12b0ac505f91ce8df76326ee7b7a6759c7c3ca2220c7
[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" "745d8d13a680c6f6d77d12b0ac505f91ce8df76326ee7b7a6759c7c3ca2220c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "745d8d13a680c6f6d77d12b0ac505f91ce8df76326ee7b7a6759c7c3ca2220c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745d8d13a680c6f6d77d12b0ac505f91ce8df76326ee7b7a6759c7c3ca2220c7", kill_on_drop: false }`
[INFO] [stdout] 745d8d13a680c6f6d77d12b0ac505f91ce8df76326ee7b7a6759c7c3ca2220c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 30687b30f9f728b2c6eae77c59cbd252618cad42641525c39c640f0b88409095
[INFO] running `Command { std: "docker" "start" "-a" "30687b30f9f728b2c6eae77c59cbd252618cad42641525c39c640f0b88409095", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking xmlparser v0.10.0
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking ttf-parser v0.2.2
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking sw-composite v0.5.10
[INFO] [stderr]     Checking unicode-script v0.3.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking roxmltree v0.7.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking kurbo v0.2.3
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling freetype-sys v0.11.0
[INFO] [stderr]    Compiling harfbuzz-sys v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking freetype v0.5.1
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking harfbuzz_rs v1.2.0
[INFO] [stderr]     Checking raqote v0.6.4
[INFO] [stderr]     Checking usvg v0.8.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking resvg v0.8.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking ikon v0.1.0-beta.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.08s
[INFO] running `Command { std: "docker" "inspect" "30687b30f9f728b2c6eae77c59cbd252618cad42641525c39c640f0b88409095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30687b30f9f728b2c6eae77c59cbd252618cad42641525c39c640f0b88409095", kill_on_drop: false }`
[INFO] [stdout] 30687b30f9f728b2c6eae77c59cbd252618cad42641525c39c640f0b88409095