[INFO] fetching crate dtg 2.1.0...
[INFO] checking dtg-2.1.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate dtg 2.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate dtg 2.1.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dtg 2.1.0
[INFO] finished tweaking crates.io crate dtg 2.1.0
[INFO] tweaked toml for crates.io crate dtg 2.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate dtg 2.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 686c3f67696cc0045fca4ad7e7bd47e20c54dfbd9cbe980c227aa7ebd54a0740
[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" "686c3f67696cc0045fca4ad7e7bd47e20c54dfbd9cbe980c227aa7ebd54a0740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "686c3f67696cc0045fca4ad7e7bd47e20c54dfbd9cbe980c227aa7ebd54a0740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686c3f67696cc0045fca4ad7e7bd47e20c54dfbd9cbe980c227aa7ebd54a0740", kill_on_drop: false }`
[INFO] [stdout] 686c3f67696cc0045fca4ad7e7bd47e20c54dfbd9cbe980c227aa7ebd54a0740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 1ba2ad69776b0108738ab7ed249b0534c5a14a9ac354e02eaaa6da18eb9d91e9
[INFO] running `Command { std: "docker" "start" "-a" "1ba2ad69776b0108738ab7ed249b0534c5a14a9ac354e02eaaa6da18eb9d91e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking assert_cmd v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking dtg v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.87s
[INFO] running `Command { std: "docker" "inspect" "1ba2ad69776b0108738ab7ed249b0534c5a14a9ac354e02eaaa6da18eb9d91e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba2ad69776b0108738ab7ed249b0534c5a14a9ac354e02eaaa6da18eb9d91e9", kill_on_drop: false }`
[INFO] [stdout] 1ba2ad69776b0108738ab7ed249b0534c5a14a9ac354e02eaaa6da18eb9d91e9