[INFO] crate ur20-modbus 0.4.0 is already in cache
[INFO] testing ur20-modbus-0.4.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate ur20-modbus 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ur20-modbus 0.4.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ur20-modbus 0.4.0
[INFO] finished tweaking crates.io crate ur20-modbus 0.4.0
[INFO] tweaked toml for crates.io crate ur20-modbus 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ur20-modbus 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] a879b33b885e4be470cc717137e014805b5685d4520dbe5f985d86caa05455ce
[INFO] running `"docker" "start" "-a" "a879b33b885e4be470cc717137e014805b5685d4520dbe5f985d86caa05455ce"`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling ur20 v0.5.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-modbus v0.4.0
[INFO] [stderr]    Compiling ur20-modbus v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.41s
[INFO] running `"docker" "inspect" "a879b33b885e4be470cc717137e014805b5685d4520dbe5f985d86caa05455ce"`
[INFO] running `"docker" "rm" "-f" "a879b33b885e4be470cc717137e014805b5685d4520dbe5f985d86caa05455ce"`
[INFO] [stdout] a879b33b885e4be470cc717137e014805b5685d4520dbe5f985d86caa05455ce
[INFO] running `"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" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] ed1a5f2d98413b687a59a4e4b1b2b521f5152b7d90d8aabeb0509b0d726e2310
[INFO] running `"docker" "start" "-a" "ed1a5f2d98413b687a59a4e4b1b2b521f5152b7d90d8aabeb0509b0d726e2310"`
[INFO] [stderr]    Compiling ur20-modbus v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `"docker" "inspect" "ed1a5f2d98413b687a59a4e4b1b2b521f5152b7d90d8aabeb0509b0d726e2310"`
[INFO] running `"docker" "rm" "-f" "ed1a5f2d98413b687a59a4e4b1b2b521f5152b7d90d8aabeb0509b0d726e2310"`
[INFO] [stdout] ed1a5f2d98413b687a59a4e4b1b2b521f5152b7d90d8aabeb0509b0d726e2310
[INFO] running `"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" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 776bbad28979a6bf7fca7dc009789c6de9bc758714b6baa3f80979d1ef20b331
[INFO] running `"docker" "start" "-a" "776bbad28979a6bf7fca7dc009789c6de9bc758714b6baa3f80979d1ef20b331"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ur20_modbus-26f9fef3f3c21cc0
[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 ur20-modbus
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "776bbad28979a6bf7fca7dc009789c6de9bc758714b6baa3f80979d1ef20b331"`
[INFO] running `"docker" "rm" "-f" "776bbad28979a6bf7fca7dc009789c6de9bc758714b6baa3f80979d1ef20b331"`
[INFO] [stdout] 776bbad28979a6bf7fca7dc009789c6de9bc758714b6baa3f80979d1ef20b331