[INFO] fetching crate onewire 0.3.13...
[INFO] testing onewire-0.3.13 against 1.55.0 for beta-1.56-1
[INFO] extracting crate onewire 0.3.13 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate onewire 0.3.13 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 onewire 0.3.13
[INFO] finished tweaking crates.io crate onewire 0.3.13
[INFO] tweaked toml for crates.io crate onewire 0.3.13 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 520b198ccbe5627e1277fa3e9670930c09e389ea146ca2db281ff5d7836585f4
[INFO] running `Command { std: "docker" "start" "-a" "520b198ccbe5627e1277fa3e9670930c09e389ea146ca2db281ff5d7836585f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "520b198ccbe5627e1277fa3e9670930c09e389ea146ca2db281ff5d7836585f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520b198ccbe5627e1277fa3e9670930c09e389ea146ca2db281ff5d7836585f4", kill_on_drop: false }`
[INFO] [stdout] 520b198ccbe5627e1277fa3e9670930c09e389ea146ca2db281ff5d7836585f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d0bff2052acf1b535f187a20659af46e415d96c536a1ae763fc6262167c28609
[INFO] running `Command { std: "docker" "start" "-a" "d0bff2052acf1b535f187a20659af46e415d96c536a1ae763fc6262167c28609", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling onewire v0.3.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `write_bit_in_discrepancy`
[INFO] [stdout]    --> src/lib.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn write_bit_in_discrepancy(&mut self, bit: u8, value: bool) {
[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 1.11s
[INFO] running `Command { std: "docker" "inspect" "d0bff2052acf1b535f187a20659af46e415d96c536a1ae763fc6262167c28609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0bff2052acf1b535f187a20659af46e415d96c536a1ae763fc6262167c28609", kill_on_drop: false }`
[INFO] [stdout] d0bff2052acf1b535f187a20659af46e415d96c536a1ae763fc6262167c28609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4ddf6be83221dc3dbe4d650c62124a1c1e3fc6c26169e74b8008f26eda6d3a49
[INFO] running `Command { std: "docker" "start" "-a" "4ddf6be83221dc3dbe4d650c62124a1c1e3fc6c26169e74b8008f26eda6d3a49", kill_on_drop: false }`
[INFO] [stderr]    Compiling onewire v0.3.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `write_bit_in_discrepancy`
[INFO] [stdout]    --> src/lib.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn write_bit_in_discrepancy(&mut self, bit: u8, value: bool) {
[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: associated function is never used: `write_bit_in_discrepancy`
[INFO] [stdout]    --> src/lib.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn write_bit_in_discrepancy(&mut self, bit: u8, value: bool) {
[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 0.66s
[INFO] running `Command { std: "docker" "inspect" "4ddf6be83221dc3dbe4d650c62124a1c1e3fc6c26169e74b8008f26eda6d3a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddf6be83221dc3dbe4d650c62124a1c1e3fc6c26169e74b8008f26eda6d3a49", kill_on_drop: false }`
[INFO] [stdout] 4ddf6be83221dc3dbe4d650c62124a1c1e3fc6c26169e74b8008f26eda6d3a49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] bf40793e05a85971e3847b401d3396e26a1e073dfa97e3e64cddf769fb33b87e
[INFO] running `Command { std: "docker" "start" "-a" "bf40793e05a85971e3847b401d3396e26a1e073dfa97e3e64cddf769fb33b87e", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `write_bit_in_discrepancy`
[INFO] [stderr]    --> src/lib.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn write_bit_in_discrepancy(&mut self, bit: u8, value: bool) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `onewire` (lib) generated 1 warning
[INFO] [stderr] warning: `onewire` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/onewire-b156c3705b2828d0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests onewire
[INFO] [stdout] running 1 test
[INFO] [stdout] test ds18b20::tests::test_temp_conv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "bf40793e05a85971e3847b401d3396e26a1e073dfa97e3e64cddf769fb33b87e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf40793e05a85971e3847b401d3396e26a1e073dfa97e3e64cddf769fb33b87e", kill_on_drop: false }`
[INFO] [stdout] bf40793e05a85971e3847b401d3396e26a1e073dfa97e3e64cddf769fb33b87e