[INFO] fetching crate liboscore-msgbackend 0.2.4...
[INFO] testing liboscore-msgbackend-0.2.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate liboscore-msgbackend 0.2.4 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate liboscore-msgbackend 0.2.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coap-numbers v0.2.3
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded coap-message v0.3.1
[INFO] [stderr]   Downloaded coap-message-utils v0.3.2
[INFO] [stderr]   Downloaded coap-message-implementations v0.1.1
[INFO] [stderr]   Downloaded minicbor v0.19.1
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 960bef998f251d9b7f3bf1ebe562c4c376620b3b19d99fc326c7f99e9777048b
[INFO] running `Command { std: "docker" "start" "-a" "960bef998f251d9b7f3bf1ebe562c4c376620b3b19d99fc326c7f99e9777048b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "960bef998f251d9b7f3bf1ebe562c4c376620b3b19d99fc326c7f99e9777048b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960bef998f251d9b7f3bf1ebe562c4c376620b3b19d99fc326c7f99e9777048b", kill_on_drop: false }`
[INFO] [stdout] 960bef998f251d9b7f3bf1ebe562c4c376620b3b19d99fc326c7f99e9777048b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a70df388dd4e1e7e06cd1828f1c627ab1a2511482212d3797829ccacae24195c
[INFO] running `Command { std: "docker" "start" "-a" "a70df388dd4e1e7e06cd1828f1c627ab1a2511482212d3797829ccacae24195c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling minicbor v0.19.1
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling coap-numbers v0.2.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling hash32 v0.1.1
[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 3.45s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "a70df388dd4e1e7e06cd1828f1c627ab1a2511482212d3797829ccacae24195c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70df388dd4e1e7e06cd1828f1c627ab1a2511482212d3797829ccacae24195c", kill_on_drop: false }`
[INFO] [stdout] a70df388dd4e1e7e06cd1828f1c627ab1a2511482212d3797829ccacae24195c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aaf2e56099cf96df1170837a7cd46052e71030b6cb92b81cf6dc388f3489eeb
[INFO] running `Command { std: "docker" "start" "-a" "9aaf2e56099cf96df1170837a7cd46052e71030b6cb92b81cf6dc388f3489eeb", 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 0.38s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "9aaf2e56099cf96df1170837a7cd46052e71030b6cb92b81cf6dc388f3489eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aaf2e56099cf96df1170837a7cd46052e71030b6cb92b81cf6dc388f3489eeb", kill_on_drop: false }`
[INFO] [stdout] 9aaf2e56099cf96df1170837a7cd46052e71030b6cb92b81cf6dc388f3489eeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a572cf678891efe67f465c4e7721849f2aad0e295418c4cd601d6b294c4ee1f0
[INFO] running `Command { std: "docker" "start" "-a" "a572cf678891efe67f465c4e7721849f2aad0e295418c4cd601d6b294c4ee1f0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[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 1`
[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" "a572cf678891efe67f465c4e7721849f2aad0e295418c4cd601d6b294c4ee1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a572cf678891efe67f465c4e7721849f2aad0e295418c4cd601d6b294c4ee1f0", kill_on_drop: false }`
[INFO] [stdout] a572cf678891efe67f465c4e7721849f2aad0e295418c4cd601d6b294c4ee1f0