[INFO] fetching crate flatter 0.1.0...
[INFO] checking flatter-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate flatter 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flatter 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatter 0.1.0
[INFO] finished tweaking crates.io crate flatter 0.1.0
[INFO] tweaked toml for crates.io crate flatter 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate flatter 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usvg v0.15.0
[INFO] [stderr]   Downloaded resvg v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e42bf4c9ad68493a0d0c45b3f76acb5de5615ba1af95ca14846f484ba79b69e6
[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" "e42bf4c9ad68493a0d0c45b3f76acb5de5615ba1af95ca14846f484ba79b69e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e42bf4c9ad68493a0d0c45b3f76acb5de5615ba1af95ca14846f484ba79b69e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42bf4c9ad68493a0d0c45b3f76acb5de5615ba1af95ca14846f484ba79b69e6", kill_on_drop: false }`
[INFO] [stdout] e42bf4c9ad68493a0d0c45b3f76acb5de5615ba1af95ca14846f484ba79b69e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] 4622ec1c2723819270569911f108caf2e59e7a0ef749b565c86941bab47f9d1d
[INFO] running `Command { std: "docker" "start" "-a" "4622ec1c2723819270569911f108caf2e59e7a0ef749b565c86941bab47f9d1d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ttf-parser v0.9.0
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode-script v0.5.3
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking kurbo v0.8.0
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking svgfilters v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking fontdb v0.5.4
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]     Checking tiny-skia v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking usvg v0.15.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking resvg v0.15.0
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking flatter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.49s
[INFO] running `Command { std: "docker" "inspect" "4622ec1c2723819270569911f108caf2e59e7a0ef749b565c86941bab47f9d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4622ec1c2723819270569911f108caf2e59e7a0ef749b565c86941bab47f9d1d", kill_on_drop: false }`
[INFO] [stdout] 4622ec1c2723819270569911f108caf2e59e7a0ef749b565c86941bab47f9d1d