[INFO] fetching crate open-graph 0.0.0...
[INFO] checking open-graph-0.0.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate open-graph 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate open-graph 0.0.0 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate open-graph 0.0.0
[INFO] finished tweaking crates.io crate open-graph 0.0.0
[INFO] tweaked toml for crates.io crate open-graph 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b230ae282e2820cfd84841f0254cda5903d9586e792e9b2f1f5312e43f70279
[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" "2b230ae282e2820cfd84841f0254cda5903d9586e792e9b2f1f5312e43f70279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b230ae282e2820cfd84841f0254cda5903d9586e792e9b2f1f5312e43f70279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b230ae282e2820cfd84841f0254cda5903d9586e792e9b2f1f5312e43f70279", kill_on_drop: false }`
[INFO] [stdout] 2b230ae282e2820cfd84841f0254cda5903d9586e792e9b2f1f5312e43f70279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44b047c6a703b09c9c2bae5571034783fa0ea87e15577e871b10e992568d23e1
[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" "44b047c6a703b09c9c2bae5571034783fa0ea87e15577e871b10e992568d23e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking open-graph v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.99s
[INFO] running `Command { std: "docker" "inspect" "44b047c6a703b09c9c2bae5571034783fa0ea87e15577e871b10e992568d23e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b047c6a703b09c9c2bae5571034783fa0ea87e15577e871b10e992568d23e1", kill_on_drop: false }`
[INFO] [stdout] 44b047c6a703b09c9c2bae5571034783fa0ea87e15577e871b10e992568d23e1