[INFO] crate cast-rs 0.2.1 is already in cache
[INFO] testing cast-rs-0.2.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate cast-rs 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cast-rs 0.2.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate cast-rs 0.2.1
[INFO] finished tweaking crates.io crate cast-rs 0.2.1
[INFO] tweaked toml for crates.io crate cast-rs 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cast-rs 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6a36ec645c6de964a2801e0f07d4f99ff9ef9e2c55d5cdb408856ddb74a1faca
[INFO] running `"docker" "start" "-a" "6a36ec645c6de964a2801e0f07d4f99ff9ef9e2c55d5cdb408856ddb74a1faca"`
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling slice-cast v0.1.2
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling cast-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `"docker" "inspect" "6a36ec645c6de964a2801e0f07d4f99ff9ef9e2c55d5cdb408856ddb74a1faca"`
[INFO] running `"docker" "rm" "-f" "6a36ec645c6de964a2801e0f07d4f99ff9ef9e2c55d5cdb408856ddb74a1faca"`
[INFO] [stdout] 6a36ec645c6de964a2801e0f07d4f99ff9ef9e2c55d5cdb408856ddb74a1faca
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] efa67710e87d1043d5b0204e5536d35f76bf6d3dacfcdebef8de67ed66c9b702
[INFO] running `"docker" "start" "-a" "efa67710e87d1043d5b0204e5536d35f76bf6d3dacfcdebef8de67ed66c9b702"`
[INFO] [stderr]    Compiling cast-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "efa67710e87d1043d5b0204e5536d35f76bf6d3dacfcdebef8de67ed66c9b702"`
[INFO] running `"docker" "rm" "-f" "efa67710e87d1043d5b0204e5536d35f76bf6d3dacfcdebef8de67ed66c9b702"`
[INFO] [stdout] efa67710e87d1043d5b0204e5536d35f76bf6d3dacfcdebef8de67ed66c9b702
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15e4dcda99e523e9187eb8a58b0f1a43e9a1689474d5a1e656588a7cf216ccdf
[INFO] running `"docker" "start" "-a" "15e4dcda99e523e9187eb8a58b0f1a43e9a1689474d5a1e656588a7cf216ccdf"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cast_rs-6a794f7cedb962db
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cast_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "15e4dcda99e523e9187eb8a58b0f1a43e9a1689474d5a1e656588a7cf216ccdf"`
[INFO] running `"docker" "rm" "-f" "15e4dcda99e523e9187eb8a58b0f1a43e9a1689474d5a1e656588a7cf216ccdf"`
[INFO] [stdout] 15e4dcda99e523e9187eb8a58b0f1a43e9a1689474d5a1e656588a7cf216ccdf