[INFO] fetching crate liboscore-msgbackend 0.2.4...
[INFO] testing liboscore-msgbackend-0.2.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate liboscore-msgbackend 0.2.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate liboscore-msgbackend 0.2.4
[INFO] finished tweaking crates.io crate liboscore-msgbackend 0.2.4
[INFO] tweaked toml for crates.io crate liboscore-msgbackend 0.2.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate liboscore-msgbackend 0.2.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate liboscore-msgbackend 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coap-message-implementations v0.1.1
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded coap-message v0.3.1
[INFO] [stderr]   Downloaded coap-message-utils v0.3.2
[INFO] [stderr]   Downloaded document-features v0.2.8
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded coap-numbers v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad0f5223030ee74495964abc609ca3cfe55db80c6c5998e5551504ef28eb0eb6
[INFO] running `Command { std: "docker" "start" "-a" "ad0f5223030ee74495964abc609ca3cfe55db80c6c5998e5551504ef28eb0eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad0f5223030ee74495964abc609ca3cfe55db80c6c5998e5551504ef28eb0eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0f5223030ee74495964abc609ca3cfe55db80c6c5998e5551504ef28eb0eb6", kill_on_drop: false }`
[INFO] [stdout] ad0f5223030ee74495964abc609ca3cfe55db80c6c5998e5551504ef28eb0eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5feac5d1bb1bb27c6253fe616ea3dd48b2483f9c14d28f45f6f3dbf370c5d90b
[INFO] running `Command { std: "docker" "start" "-a" "5feac5d1bb1bb27c6253fe616ea3dd48b2483f9c14d28f45f6f3dbf370c5d90b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling minicbor v0.19.1
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling coap-numbers v0.2.3
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling document-features v0.2.8
[INFO] [stderr]    Compiling coap-message v0.3.1
[INFO] [stderr]    Compiling coap-message-utils v0.3.2
[INFO] [stderr]    Compiling coap-message-implementations v0.1.1
[INFO] [stderr]    Compiling liboscore-msgbackend v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.80s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "5feac5d1bb1bb27c6253fe616ea3dd48b2483f9c14d28f45f6f3dbf370c5d90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5feac5d1bb1bb27c6253fe616ea3dd48b2483f9c14d28f45f6f3dbf370c5d90b", kill_on_drop: false }`
[INFO] [stdout] 5feac5d1bb1bb27c6253fe616ea3dd48b2483f9c14d28f45f6f3dbf370c5d90b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 995d7ffbbc9f498ec8b45393965664c557d2304b51de49deacff785f02d10df7
[INFO] running `Command { std: "docker" "start" "-a" "995d7ffbbc9f498ec8b45393965664c557d2304b51de49deacff785f02d10df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling liboscore-msgbackend v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "995d7ffbbc9f498ec8b45393965664c557d2304b51de49deacff785f02d10df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995d7ffbbc9f498ec8b45393965664c557d2304b51de49deacff785f02d10df7", kill_on_drop: false }`
[INFO] [stdout] 995d7ffbbc9f498ec8b45393965664c557d2304b51de49deacff785f02d10df7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c4cfcf3553956d995408c01d48de5190f29d3310098faa5af88a9b1640cfee6
[INFO] running `Command { std: "docker" "start" "-a" "4c4cfcf3553956d995408c01d48de5190f29d3310098faa5af88a9b1640cfee6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liboscore_msgbackend-bea627b4f907f483)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests liboscore_msgbackend
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c4cfcf3553956d995408c01d48de5190f29d3310098faa5af88a9b1640cfee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4cfcf3553956d995408c01d48de5190f29d3310098faa5af88a9b1640cfee6", kill_on_drop: false }`
[INFO] [stdout] 4c4cfcf3553956d995408c01d48de5190f29d3310098faa5af88a9b1640cfee6