[INFO] fetching crate mrsc 0.3.1...
[INFO] testing mrsc-0.3.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mrsc 0.3.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate mrsc 0.3.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mrsc 0.3.1
[INFO] finished tweaking crates.io crate mrsc 0.3.1
[INFO] tweaked toml for crates.io crate mrsc 0.3.1 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5d89f0ff7e0468b65805a677d8b1dda784fc697225cea1c96042ec5538bdf5a
[INFO] running `Command { std: "docker" "start" "-a" "a5d89f0ff7e0468b65805a677d8b1dda784fc697225cea1c96042ec5538bdf5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5d89f0ff7e0468b65805a677d8b1dda784fc697225cea1c96042ec5538bdf5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d89f0ff7e0468b65805a677d8b1dda784fc697225cea1c96042ec5538bdf5a", kill_on_drop: false }`
[INFO] [stdout] a5d89f0ff7e0468b65805a677d8b1dda784fc697225cea1c96042ec5538bdf5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2c41c38e5b6a210332031709f536419cb2a6984f03485df8f38b6081510be42
[INFO] running `Command { std: "docker" "start" "-a" "c2c41c38e5b6a210332031709f536419cb2a6984f03485df8f38b6081510be42", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mrsc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "c2c41c38e5b6a210332031709f536419cb2a6984f03485df8f38b6081510be42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c41c38e5b6a210332031709f536419cb2a6984f03485df8f38b6081510be42", kill_on_drop: false }`
[INFO] [stdout] c2c41c38e5b6a210332031709f536419cb2a6984f03485df8f38b6081510be42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3d95b34911642f201c9c9ebfa92113adc546b6e27412c130feb269d58c22fae
[INFO] running `Command { std: "docker" "start" "-a" "f3d95b34911642f201c9c9ebfa92113adc546b6e27412c130feb269d58c22fae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mrsc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "f3d95b34911642f201c9c9ebfa92113adc546b6e27412c130feb269d58c22fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d95b34911642f201c9c9ebfa92113adc546b6e27412c130feb269d58c22fae", kill_on_drop: false }`
[INFO] [stdout] f3d95b34911642f201c9c9ebfa92113adc546b6e27412c130feb269d58c22fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85b0bebc00dc4adf257ff7e8a6cb9c3fb834c674cbe1acaa737fdec727b40a17
[INFO] running `Command { std: "docker" "start" "-a" "85b0bebc00dc4adf257ff7e8a6cb9c3fb834c674cbe1acaa737fdec727b40a17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mrsc-1e31ef7da0e3c1a0)
[INFO] [stdout] test tests::readme ... ok
[INFO] [stdout] test tests::try_recv ... ok
[INFO] [stdout] test tests::take ... ok
[INFO] [stdout] test tests::single_requester ... ok
[INFO] [stdout] test tests::recv_timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mrsc
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - Server<T,R>::new (line 52) ... ok
[INFO] [stdout] test src/lib.rs - Request<T,R>::reply (line 164) ... ok
[INFO] [stdout] test src/lib.rs - Server<T,R>::pop (line 70) ... ok
[INFO] [stdout] test src/lib.rs - Server<T,R>::recv (line 85) ... ok
[INFO] [stdout] test src/lib.rs - Channel<T,R>::req (line 120) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - Response<R>::recv (line 223) ... ok
[INFO] [stdout] test src/lib.rs - EmptyRequest<R>::reply (line 192) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85b0bebc00dc4adf257ff7e8a6cb9c3fb834c674cbe1acaa737fdec727b40a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b0bebc00dc4adf257ff7e8a6cb9c3fb834c674cbe1acaa737fdec727b40a17", kill_on_drop: false }`
[INFO] [stdout] 85b0bebc00dc4adf257ff7e8a6cb9c3fb834c674cbe1acaa737fdec727b40a17