[INFO] fetching crate arboard 2.0.0...
[INFO] checking arboard-2.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate arboard 2.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate arboard 2.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arboard 2.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arboard 2.0.0
[INFO] tweaked toml for crates.io crate arboard 2.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate arboard 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98512b8d3d8f2d22c5512c208aee85394a9a0e3feec5effe7205911209b5704a
[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" "98512b8d3d8f2d22c5512c208aee85394a9a0e3feec5effe7205911209b5704a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98512b8d3d8f2d22c5512c208aee85394a9a0e3feec5effe7205911209b5704a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98512b8d3d8f2d22c5512c208aee85394a9a0e3feec5effe7205911209b5704a", kill_on_drop: false }`
[INFO] [stdout] 98512b8d3d8f2d22c5512c208aee85394a9a0e3feec5effe7205911209b5704a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 83ec2c2af13d951129a830b0791a2e9c6c9076c49e139f9b5574871d3ac4fc7c
[INFO] running `Command { std: "docker" "start" "-a" "83ec2c2af13d951129a830b0791a2e9c6c9076c49e139f9b5574871d3ac4fc7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking simple_logger v1.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking x11rb v0.8.1
[INFO] [stderr]     Checking arboard v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.64s
[INFO] running `Command { std: "docker" "inspect" "83ec2c2af13d951129a830b0791a2e9c6c9076c49e139f9b5574871d3ac4fc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ec2c2af13d951129a830b0791a2e9c6c9076c49e139f9b5574871d3ac4fc7c", kill_on_drop: false }`
[INFO] [stdout] 83ec2c2af13d951129a830b0791a2e9c6c9076c49e139f9b5574871d3ac4fc7c
