[INFO] fetching crate imgui-log 0.1.0...
[INFO] checking imgui-log-0.1.0 against beta for pr-78714
[INFO] extracting crate imgui-log 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate imgui-log 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imgui-log 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate imgui-log 0.1.0
[INFO] tweaked toml for crates.io crate imgui-log 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate imgui-log 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e08551d6d688e624cc532afbcc62815496eac8af88d27734c290392d4951483
[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" "2e08551d6d688e624cc532afbcc62815496eac8af88d27734c290392d4951483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e08551d6d688e624cc532afbcc62815496eac8af88d27734c290392d4951483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e08551d6d688e624cc532afbcc62815496eac8af88d27734c290392d4951483", kill_on_drop: false }`
[INFO] [stdout] 2e08551d6d688e624cc532afbcc62815496eac8af88d27734c290392d4951483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b1384be027beecd461121d3dd6a397cbafecda1159cddc6d3feb9f1210a4376
[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" "0b1384be027beecd461121d3dd6a397cbafecda1159cddc6d3feb9f1210a4376", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling imgui-sys v0.2.0
[INFO] [stderr]     Checking imgui v0.2.1
[INFO] [stderr]     Checking imgui-log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `Command { std: "docker" "inspect" "0b1384be027beecd461121d3dd6a397cbafecda1159cddc6d3feb9f1210a4376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1384be027beecd461121d3dd6a397cbafecda1159cddc6d3feb9f1210a4376", kill_on_drop: false }`
[INFO] [stdout] 0b1384be027beecd461121d3dd6a397cbafecda1159cddc6d3feb9f1210a4376