[INFO] fetching crate cueball 0.3.5...
[INFO] checking cueball-0.3.5 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate cueball 0.3.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cueball 0.3.5 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cueball 0.3.5
[INFO] finished tweaking crates.io crate cueball 0.3.5
[INFO] tweaked toml for crates.io crate cueball 0.3.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cueball 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd6b4f40212515e0fc0362d64a28814648d3d97f393e4ccf1ac59b733635ea9f
[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" "cd6b4f40212515e0fc0362d64a28814648d3d97f393e4ccf1ac59b733635ea9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd6b4f40212515e0fc0362d64a28814648d3d97f393e4ccf1ac59b733635ea9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd6b4f40212515e0fc0362d64a28814648d3d97f393e4ccf1ac59b733635ea9f", kill_on_drop: false }`
[INFO] [stdout] cd6b4f40212515e0fc0362d64a28814648d3d97f393e4ccf1ac59b733635ea9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] b9fc8a8ec22da431d65f552295fc78c2267ff5ee8193c167d86cc71d818c9737
[INFO] running `Command { std: "docker" "start" "-a" "b9fc8a8ec22da431d65f552295fc78c2267ff5ee8193c167d86cc71d818c9737", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking instant v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking backoff v0.1.6
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]     Checking cueball v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.29s
[INFO] running `Command { std: "docker" "inspect" "b9fc8a8ec22da431d65f552295fc78c2267ff5ee8193c167d86cc71d818c9737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fc8a8ec22da431d65f552295fc78c2267ff5ee8193c167d86cc71d818c9737", kill_on_drop: false }`
[INFO] [stdout] b9fc8a8ec22da431d65f552295fc78c2267ff5ee8193c167d86cc71d818c9737