[INFO] fetching crate flatter 0.1.0...
[INFO] checking flatter-0.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate flatter 0.1.0 into /workspace/builds/worker-6-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatter 0.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flatter 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-vo v0.1.0
[INFO] [stderr]   Downloaded xmlwriter v0.1.0
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded simplecss v0.2.1
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded fontdb v0.5.4
[INFO] [stderr]   Downloaded rgb v0.8.27
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded svgfilters v0.3.0
[INFO] [stderr]   Downloaded unicode-script v0.5.3
[INFO] [stderr]   Downloaded usvg v0.15.0
[INFO] [stderr]   Downloaded data-url v0.1.0
[INFO] [stderr]   Downloaded kurbo v0.8.0
[INFO] [stderr]   Downloaded tiny-skia v0.5.1
[INFO] [stderr]   Downloaded rustybuzz v0.3.0
[INFO] [stderr]   Downloaded resvg v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5bcf7844291a025faffaaf529d1768ff6419b8d306e6a81f98ad592686dc1fd
[INFO] running `Command { std: "docker" "start" "-a" "f5bcf7844291a025faffaaf529d1768ff6419b8d306e6a81f98ad592686dc1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5bcf7844291a025faffaaf529d1768ff6419b8d306e6a81f98ad592686dc1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bcf7844291a025faffaaf529d1768ff6419b8d306e6a81f98ad592686dc1fd", kill_on_drop: false }`
[INFO] [stdout] f5bcf7844291a025faffaaf529d1768ff6419b8d306e6a81f98ad592686dc1fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5375fc8c1effdff6e0240d100edbf38546f860a3b94eda0e3735fa26c58b246d
[INFO] running `Command { std: "docker" "start" "-a" "5375fc8c1effdff6e0240d100edbf38546f860a3b94eda0e3735fa26c58b246d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling unicode-general-category v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking unicode-script v0.5.3
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking kurbo v0.8.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking svgfilters v0.3.0
[INFO] [stderr]     Checking roxmltree v0.14.1
[INFO] [stderr]     Checking tiny-skia v0.5.1
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking fontdb v0.5.4
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking usvg v0.15.0
[INFO] [stderr]     Checking resvg v0.15.0
[INFO] [stderr]     Checking flatter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustybuzz v0.3.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] running `Command { std: "docker" "inspect" "5375fc8c1effdff6e0240d100edbf38546f860a3b94eda0e3735fa26c58b246d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5375fc8c1effdff6e0240d100edbf38546f860a3b94eda0e3735fa26c58b246d", kill_on_drop: false }`
[INFO] [stdout] 5375fc8c1effdff6e0240d100edbf38546f860a3b94eda0e3735fa26c58b246d