[INFO] fetching crate piet-common 0.4.1...
[INFO] checking piet-common-0.4.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate piet-common 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate piet-common 0.4.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piet-common 0.4.1
[INFO] finished tweaking crates.io crate piet-common 0.4.1
[INFO] tweaked toml for crates.io crate piet-common 0.4.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate piet-common 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76a4cf2982c178a4deead4d725454ac52baa5759c9974ebbfa12219c97b5e497
[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" "76a4cf2982c178a4deead4d725454ac52baa5759c9974ebbfa12219c97b5e497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76a4cf2982c178a4deead4d725454ac52baa5759c9974ebbfa12219c97b5e497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a4cf2982c178a4deead4d725454ac52baa5759c9974ebbfa12219c97b5e497", kill_on_drop: false }`
[INFO] [stdout] 76a4cf2982c178a4deead4d725454ac52baa5759c9974ebbfa12219c97b5e497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1f8c9598a65884097e4383dd66eb1fec574f0452e37368b3e620bbd4f26f7ff
[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" "c1f8c9598a65884097e4383dd66eb1fec574f0452e37368b3e620bbd4f26f7ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling pangocairo v0.10.0
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking piet v0.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pangocairo-sys v0.11.0
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]     Checking glib v0.10.3
[INFO] [stderr]     Checking piet-cairo v0.4.0
[INFO] [stderr]     Checking piet-common v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.75s
[INFO] running `Command { std: "docker" "inspect" "c1f8c9598a65884097e4383dd66eb1fec574f0452e37368b3e620bbd4f26f7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f8c9598a65884097e4383dd66eb1fec574f0452e37368b3e620bbd4f26f7ff", kill_on_drop: false }`
[INFO] [stdout] c1f8c9598a65884097e4383dd66eb1fec574f0452e37368b3e620bbd4f26f7ff