[INFO] fetching crate flutterbug 0.1.1...
[INFO] checking flutterbug-0.1.1 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate flutterbug 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate flutterbug 0.1.1 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flutterbug 0.1.1
[INFO] finished tweaking crates.io crate flutterbug 0.1.1
[INFO] tweaked toml for crates.io crate flutterbug 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate flutterbug 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded font-kit v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44b778ad4b39d814e723ceb15032ce456985248a9b9115f225dff144fcda99d6
[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" "44b778ad4b39d814e723ceb15032ce456985248a9b9115f225dff144fcda99d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44b778ad4b39d814e723ceb15032ce456985248a9b9115f225dff144fcda99d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b778ad4b39d814e723ceb15032ce456985248a9b9115f225dff144fcda99d6", kill_on_drop: false }`
[INFO] [stdout] 44b778ad4b39d814e723ceb15032ce456985248a9b9115f225dff144fcda99d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c79a2dce1f63157a10f877d8d08c6452428c1f8c3bc3439c80d8cf73a76be09
[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" "8c79a2dce1f63157a10f877d8d08c6452428c1f8c3bc3439c80d8cf73a76be09", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling flutterbug v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking font-kit v0.7.0
[INFO] [stderr]     Checking euclid v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.22s
[INFO] running `Command { std: "docker" "inspect" "8c79a2dce1f63157a10f877d8d08c6452428c1f8c3bc3439c80d8cf73a76be09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c79a2dce1f63157a10f877d8d08c6452428c1f8c3bc3439c80d8cf73a76be09", kill_on_drop: false }`
[INFO] [stdout] 8c79a2dce1f63157a10f877d8d08c6452428c1f8c3bc3439c80d8cf73a76be09