[INFO] fetching crate mcp25625 0.1.0...
[INFO] testing mcp25625-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mcp25625 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mcp25625 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp25625 0.1.0
[INFO] finished tweaking crates.io crate mcp25625 0.1.0
[INFO] tweaked toml for crates.io crate mcp25625 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded heapless v0.5.6
[INFO] [stderr]   Downloaded vhrdcan v0.1.0
[INFO] [stderr]   Downloaded hash32-derive v0.1.1
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10419ddf06071d77a4c7babae9f62ce4e4527fb85c86d2110b4ed86f317dc51b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10419ddf06071d77a4c7babae9f62ce4e4527fb85c86d2110b4ed86f317dc51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10419ddf06071d77a4c7babae9f62ce4e4527fb85c86d2110b4ed86f317dc51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10419ddf06071d77a4c7babae9f62ce4e4527fb85c86d2110b4ed86f317dc51b", kill_on_drop: false }`
[INFO] [stdout] 10419ddf06071d77a4c7babae9f62ce4e4527fb85c86d2110b4ed86f317dc51b
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93e29f20ddfa0513ae89ae844271505ea493836d222824d443b9bdf50a1b1361
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "93e29f20ddfa0513ae89ae844271505ea493836d222824d443b9bdf50a1b1361", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling hash32-derive v0.1.1
[INFO] [stderr]    Compiling vhrdcan v0.1.0
[INFO] [stderr]    Compiling mcp25625 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `txb_ctrl`
[INFO] [stdout]    --> src/lib.rs:668:5
[INFO] [stdout]     |
[INFO] [stdout] 668 |     pub txb_ctrl: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "93e29f20ddfa0513ae89ae844271505ea493836d222824d443b9bdf50a1b1361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e29f20ddfa0513ae89ae844271505ea493836d222824d443b9bdf50a1b1361", kill_on_drop: false }`
[INFO] [stdout] 93e29f20ddfa0513ae89ae844271505ea493836d222824d443b9bdf50a1b1361
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c14a96859a11dbb06437b35ae6bd082abe2f6aded22c47a660174375146992db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c14a96859a11dbb06437b35ae6bd082abe2f6aded22c47a660174375146992db", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcp25625 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `txb_ctrl`
[INFO] [stdout]    --> src/lib.rs:668:5
[INFO] [stdout]     |
[INFO] [stdout] 668 |     pub txb_ctrl: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `txb_ctrl`
[INFO] [stdout]    --> src/lib.rs:668:5
[INFO] [stdout]     |
[INFO] [stdout] 668 |     pub txb_ctrl: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "c14a96859a11dbb06437b35ae6bd082abe2f6aded22c47a660174375146992db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14a96859a11dbb06437b35ae6bd082abe2f6aded22c47a660174375146992db", kill_on_drop: false }`
[INFO] [stdout] c14a96859a11dbb06437b35ae6bd082abe2f6aded22c47a660174375146992db
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71c4c11fabb8e5b08be55af985fec8c608c20ae355fb8c0951d1f6bae8cf835e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71c4c11fabb8e5b08be55af985fec8c608c20ae355fb8c0951d1f6bae8cf835e", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `txb_ctrl`
[INFO] [stderr]    --> src/lib.rs:668:5
[INFO] [stderr]     |
[INFO] [stderr] 668 |     pub txb_ctrl: u8,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mcp25625` (lib) generated 1 warning
[INFO] [stderr] warning: `mcp25625` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mcp25625-9c28c543575196b1)
[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 mcp25625
[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" "71c4c11fabb8e5b08be55af985fec8c608c20ae355fb8c0951d1f6bae8cf835e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c4c11fabb8e5b08be55af985fec8c608c20ae355fb8c0951d1f6bae8cf835e", kill_on_drop: false }`
[INFO] [stdout] 71c4c11fabb8e5b08be55af985fec8c608c20ae355fb8c0951d1f6bae8cf835e