[INFO] crate cb2 0.1.2 is already in cache
[INFO] checking cb2-0.1.2 against try#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741
[INFO] extracting crate cb2 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cb2 0.1.2 on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cb2 0.1.2
[INFO] finished tweaking crates.io crate cb2 0.1.2
[INFO] tweaked toml for crates.io crate cb2 0.1.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1cdfe7199d5cc0497ff4f9dad03ee3acc9a308f3c86e5f48db93aa519069d292
[INFO] running `"docker" "start" "-a" "1cdfe7199d5cc0497ff4f9dad03ee3acc9a308f3c86e5f48db93aa519069d292"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking tokio-process v0.2.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking from_file v0.1.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling from_file_derive v0.1.3
[INFO] [stderr]     Checking cb2_core v0.1.2
[INFO] [stderr]     Checking cb2 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.31s
[INFO] running `"docker" "inspect" "1cdfe7199d5cc0497ff4f9dad03ee3acc9a308f3c86e5f48db93aa519069d292"`
[INFO] running `"docker" "rm" "-f" "1cdfe7199d5cc0497ff4f9dad03ee3acc9a308f3c86e5f48db93aa519069d292"`
[INFO] [stdout] 1cdfe7199d5cc0497ff4f9dad03ee3acc9a308f3c86e5f48db93aa519069d292