[INFO] cloning repository https://github.com/swigg/sensirion-core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swigg/sensirion-core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswigg%2Fsensirion-core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswigg%2Fsensirion-core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1c088f3f88914e5d0c412c642171d2a1e713135
[INFO] testing swigg/sensirion-core against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswigg%2Fsensirion-core" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swigg/sensirion-core on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swigg/sensirion-core
[INFO] finished tweaking git repo https://github.com/swigg/sensirion-core
[INFO] tweaked toml for git repo https://github.com/swigg/sensirion-core written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/swigg/sensirion-core 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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 sensirion-i2c v0.4.0
[INFO] [stderr]   Downloaded embedded-hal-mock v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a360232e01c5eba673aa1bb1d3a83d0e237c7bb47378968d5fe670c737d87948
[INFO] running `Command { std: "docker" "start" "-a" "a360232e01c5eba673aa1bb1d3a83d0e237c7bb47378968d5fe670c737d87948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a360232e01c5eba673aa1bb1d3a83d0e237c7bb47378968d5fe670c737d87948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a360232e01c5eba673aa1bb1d3a83d0e237c7bb47378968d5fe670c737d87948", kill_on_drop: false }`
[INFO] [stdout] a360232e01c5eba673aa1bb1d3a83d0e237c7bb47378968d5fe670c737d87948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 069b8209067c4806c577e952b6a2c18f284229a13591541ff1b18bcfea7837a2
[INFO] running `Command { std: "docker" "start" "-a" "069b8209067c4806c577e952b6a2c18f284229a13591541ff1b18bcfea7837a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling sensirion-i2c v0.4.0
[INFO] [stderr]    Compiling sensirion-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `command_code`
[INFO] [stdout]   --> src/blocking/mod.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let command_code: u16 = command.into();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_code`
[INFO] [stdout]    --> src/blocking/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let command_code: u16 = command.into();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "069b8209067c4806c577e952b6a2c18f284229a13591541ff1b18bcfea7837a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069b8209067c4806c577e952b6a2c18f284229a13591541ff1b18bcfea7837a2", kill_on_drop: false }`
[INFO] [stdout] 069b8209067c4806c577e952b6a2c18f284229a13591541ff1b18bcfea7837a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9657e5a0775f3bba3a017b07eacff26a9b303cb818158a6695a09a4dd4b1f02
[INFO] running `Command { std: "docker" "start" "-a" "b9657e5a0775f3bba3a017b07eacff26a9b303cb818158a6695a09a4dd4b1f02", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stdout] warning: unused variable: `command_code`
[INFO] [stdout]   --> src/blocking/mod.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let command_code: u16 = command.into();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_code`
[INFO] [stdout]    --> src/blocking/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let command_code: u16 = command.into();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling embedded-time v0.12.1
[INFO] [stderr]    Compiling embedded-hal-mock v0.11.1
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling sensirion-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `command_code`
[INFO] [stdout]   --> src/blocking/mod.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let command_code: u16 = command.into();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command_code`
[INFO] [stdout]    --> src/blocking/mod.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let command_code: u16 = command.into();
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_driver`
[INFO] [stdout]    --> src/blocking/mod.rs:307:26
[INFO] [stdout]     |
[INFO] [stdout] 307 |         create_i2c(&[], |test_driver| {
[INFO] [stdout]     |                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_driver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.27s
[INFO] running `Command { std: "docker" "inspect" "b9657e5a0775f3bba3a017b07eacff26a9b303cb818158a6695a09a4dd4b1f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9657e5a0775f3bba3a017b07eacff26a9b303cb818158a6695a09a4dd4b1f02", kill_on_drop: false }`
[INFO] [stdout] b9657e5a0775f3bba3a017b07eacff26a9b303cb818158a6695a09a4dd4b1f02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eaf3b5b3b4be23b204a07e61e0382c302762f58688fb42393a487f1dbd09c8e8
[INFO] running `Command { std: "docker" "start" "-a" "eaf3b5b3b4be23b204a07e61e0382c302762f58688fb42393a487f1dbd09c8e8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `command_code`
[INFO] [stdout] 
[INFO] [stderr]   --> src/blocking/mod.rs:76:13
[INFO] [stdout] running 10 tests
[INFO] [stderr]    |
[INFO] [stdout] test blocking::tests::test_read_command_with_args_fail_nack ... ok
[INFO] [stderr] 76 |         let command_code: u16 = command.into();
[INFO] [stdout] test blocking::tests::test_read_command_fail_crc ... ok
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_code`
[INFO] [stdout] test blocking::tests::test_read_command_success ... ok
[INFO] [stderr]    |
[INFO] [stdout] test blocking::tests::test_read_command_with_args_success ... ok
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command_code`
[INFO] [stderr]    --> src/blocking/mod.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |         let command_code: u16 = command.into();
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_code`
[INFO] [stderr] 
[INFO] [stderr] warning: `sensirion-core` (lib) generated 2 warnings
[INFO] [stderr] warning: unused variable: `test_driver`
[INFO] [stderr]    --> src/blocking/mod.rs:307:26
[INFO] [stderr]     |
[INFO] [stderr] 307 |         create_i2c(&[], |test_driver| {
[INFO] [stderr]     |                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_driver`
[INFO] [stderr] 
[INFO] [stderr] warning: `sensirion-core` (lib test) generated 3 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sensirion_core-08fecb37933d2a63)
[INFO] [stdout] test blocking::tests::test_write_command_fail_nack ... ok
[INFO] [stdout] test blocking::tests::test_write_command_fail_other ... ok
[INFO] [stdout] test blocking::tests::test_write_command_success ... ok
[INFO] [stdout] test blocking::tests::test_new ... ok
[INFO] [stdout] test blocking::tests::test_read_command_fail_nack ... ok
[INFO] [stdout] test blocking::tests::test_read_command_with_args_fail_crc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sensirion_core
[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" "eaf3b5b3b4be23b204a07e61e0382c302762f58688fb42393a487f1dbd09c8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf3b5b3b4be23b204a07e61e0382c302762f58688fb42393a487f1dbd09c8e8", kill_on_drop: false }`
[INFO] [stdout] eaf3b5b3b4be23b204a07e61e0382c302762f58688fb42393a487f1dbd09c8e8