[INFO] fetching crate onewire 0.3.13...
[INFO] testing onewire-0.3.13 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate onewire 0.3.13 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate onewire 0.3.13 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b1f9f8b4c0b2b0881e5cddfdcd120189dd67582c82f1d02c92b7598cb2b17b4
[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" "4b1f9f8b4c0b2b0881e5cddfdcd120189dd67582c82f1d02c92b7598cb2b17b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b1f9f8b4c0b2b0881e5cddfdcd120189dd67582c82f1d02c92b7598cb2b17b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1f9f8b4c0b2b0881e5cddfdcd120189dd67582c82f1d02c92b7598cb2b17b4", kill_on_drop: false }`
[INFO] [stdout] 4b1f9f8b4c0b2b0881e5cddfdcd120189dd67582c82f1d02c92b7598cb2b17b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f33c0ea1bf2a5a26ee461fc4e0f45c8a31f44c34c325439f3f54d21107b7f5e
[INFO] running `Command { std: "docker" "start" "-a" "1f33c0ea1bf2a5a26ee461fc4e0f45c8a31f44c34c325439f3f54d21107b7f5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[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 3.87s
[INFO] running `Command { std: "docker" "inspect" "1f33c0ea1bf2a5a26ee461fc4e0f45c8a31f44c34c325439f3f54d21107b7f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f33c0ea1bf2a5a26ee461fc4e0f45c8a31f44c34c325439f3f54d21107b7f5e", kill_on_drop: false }`
[INFO] [stdout] 1f33c0ea1bf2a5a26ee461fc4e0f45c8a31f44c34c325439f3f54d21107b7f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1f5de03ac06c6b438f72070693034fe604a8cd935a1fc7930860ac9a1558808
[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" "c1f5de03ac06c6b438f72070693034fe604a8cd935a1fc7930860ac9a1558808", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1f5de03ac06c6b438f72070693034fe604a8cd935a1fc7930860ac9a1558808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1f5de03ac06c6b438f72070693034fe604a8cd935a1fc7930860ac9a1558808", kill_on_drop: false }`
[INFO] [stdout] c1f5de03ac06c6b438f72070693034fe604a8cd935a1fc7930860ac9a1558808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec013395926093454351910a923eb58b0ab8323c7a2f39ffdc09ff5e6b2be7b6
[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" "ec013395926093454351910a923eb58b0ab8323c7a2f39ffdc09ff5e6b2be7b6", 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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/onewire-37c2571f80f3720c
[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] [stderr]    Doc-tests onewire
[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" "ec013395926093454351910a923eb58b0ab8323c7a2f39ffdc09ff5e6b2be7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec013395926093454351910a923eb58b0ab8323c7a2f39ffdc09ff5e6b2be7b6", kill_on_drop: false }`
[INFO] [stdout] ec013395926093454351910a923eb58b0ab8323c7a2f39ffdc09ff5e6b2be7b6