[INFO] cloning repository https://github.com/davidcl/symbols-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidcl/symbols-graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcl%2Fsymbols-graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcl%2Fsymbols-graph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f3b0013caf4cb74e9c0848ca665c5f17d57d454
[INFO] checking davidcl/symbols-graph against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcl%2Fsymbols-graph" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidcl/symbols-graph on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidcl/symbols-graph
[INFO] finished tweaking git repo https://github.com/davidcl/symbols-graph
[INFO] tweaked toml for git repo https://github.com/davidcl/symbols-graph written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/davidcl/symbols-graph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", 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] 0b5297444c2624e376475d34523d43f36e9223e1c571101d6ce1b3b55436828b
[INFO] running `Command { std: "docker" "start" "-a" "0b5297444c2624e376475d34523d43f36e9223e1c571101d6ce1b3b55436828b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b5297444c2624e376475d34523d43f36e9223e1c571101d6ce1b3b55436828b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5297444c2624e376475d34523d43f36e9223e1c571101d6ce1b3b55436828b", kill_on_drop: false }`
[INFO] [stdout] 0b5297444c2624e376475d34523d43f36e9223e1c571101d6ce1b3b55436828b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] ad7d07cbefa170b261e3bed0d9540ee6a028fc14d34d47f0db26326ae53ea817
[INFO] running `Command { std: "docker" "start" "-a" "ad7d07cbefa170b261e3bed0d9540ee6a028fc14d34d47f0db26326ae53ea817", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking parity-wasm v0.38.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking string-interner v0.7.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking gimli v0.18.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]     Checking object v0.12.0
[INFO] [stderr]     Checking symbols-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.72s
[INFO] running `Command { std: "docker" "inspect" "ad7d07cbefa170b261e3bed0d9540ee6a028fc14d34d47f0db26326ae53ea817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7d07cbefa170b261e3bed0d9540ee6a028fc14d34d47f0db26326ae53ea817", kill_on_drop: false }`
[INFO] [stdout] ad7d07cbefa170b261e3bed0d9540ee6a028fc14d34d47f0db26326ae53ea817