[INFO] fetching crate piet-common 0.2.0-pre6...
[INFO] checking piet-common-0.2.0-pre6 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate piet-common 0.2.0-pre6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate piet-common 0.2.0-pre6 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piet-common 0.2.0-pre6
[INFO] finished tweaking crates.io crate piet-common 0.2.0-pre6
[INFO] tweaked toml for crates.io crate piet-common 0.2.0-pre6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate piet-common 0.2.0-pre6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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 piet-web v0.2.0-pre6
[INFO] [stderr]   Downloaded piet-direct2d v0.2.0-pre6
[INFO] [stderr]   Downloaded piet-cairo v0.2.0-pre6
[INFO] [stderr]   Downloaded piet-coregraphics v0.2.0-pre6
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dac0a775d9857128a86ba281163c7139321466bec99b480fb97f7592d01578e3
[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" "dac0a775d9857128a86ba281163c7139321466bec99b480fb97f7592d01578e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dac0a775d9857128a86ba281163c7139321466bec99b480fb97f7592d01578e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac0a775d9857128a86ba281163c7139321466bec99b480fb97f7592d01578e3", kill_on_drop: false }`
[INFO] [stdout] dac0a775d9857128a86ba281163c7139321466bec99b480fb97f7592d01578e3
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1a8aded928c847cfbdf094c2c1ffc6d328ecad533888cb75e6af8fc526b2c71
[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" "d1a8aded928c847cfbdf094c2c1ffc6d328ecad533888cb75e6af8fc526b2c71", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking kurbo v0.7.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking piet v0.2.0-pre6
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]     Checking piet-cairo v0.2.0-pre6
[INFO] [stderr]     Checking piet-common v0.2.0-pre6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.88s
[INFO] running `Command { std: "docker" "inspect" "d1a8aded928c847cfbdf094c2c1ffc6d328ecad533888cb75e6af8fc526b2c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a8aded928c847cfbdf094c2c1ffc6d328ecad533888cb75e6af8fc526b2c71", kill_on_drop: false }`
[INFO] [stdout] d1a8aded928c847cfbdf094c2c1ffc6d328ecad533888cb75e6af8fc526b2c71