[INFO] fetching crate i2cdev 0.4.4...
[INFO] testing i2cdev-0.4.4 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate i2cdev 0.4.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate i2cdev 0.4.4 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i2cdev 0.4.4
[INFO] finished tweaking crates.io crate i2cdev 0.4.4
[INFO] tweaked toml for crates.io crate i2cdev 0.4.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate i2cdev 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 067dbad091f39f62fc6b243f26214bdd7e7d5c479839a5f5411df488d1c401c5
[INFO] running `Command { std: "docker" "start" "-a" "067dbad091f39f62fc6b243f26214bdd7e7d5c479839a5f5411df488d1c401c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "067dbad091f39f62fc6b243f26214bdd7e7d5c479839a5f5411df488d1c401c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067dbad091f39f62fc6b243f26214bdd7e7d5c479839a5f5411df488d1c401c5", kill_on_drop: false }`
[INFO] [stdout] 067dbad091f39f62fc6b243f26214bdd7e7d5c479839a5f5411df488d1c401c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b773bb25ac0a77d94cc1eea27e85a766403bf0999de808d79ce1439cda92f2bd
[INFO] running `Command { std: "docker" "start" "-a" "b773bb25ac0a77d94cc1eea27e85a766403bf0999de808d79ce1439cda92f2bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling nix v0.14.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling i2cdev v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/linux.rs:75:43
[INFO] [stdout]    |
[INFO] [stdout] 75 |             LinuxI2CError::Io(ref e) => e.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/linux.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 76 |             LinuxI2CError::Nix(ref e) => e.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.19s
[INFO] running `Command { std: "docker" "inspect" "b773bb25ac0a77d94cc1eea27e85a766403bf0999de808d79ce1439cda92f2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b773bb25ac0a77d94cc1eea27e85a766403bf0999de808d79ce1439cda92f2bd", kill_on_drop: false }`
[INFO] [stdout] b773bb25ac0a77d94cc1eea27e85a766403bf0999de808d79ce1439cda92f2bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddc60888c2e95dfafc02bc66cd85778fd393d871dd2ff7314865294308177220
[INFO] running `Command { std: "docker" "start" "-a" "ddc60888c2e95dfafc02bc66cd85778fd393d871dd2ff7314865294308177220", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/linux.rs:75:43
[INFO] [stdout]    |
[INFO] [stdout] 75 |             LinuxI2CError::Io(ref e) => e.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/linux.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 76 |             LinuxI2CError::Nix(ref e) => e.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling i2cdev v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> examples/nunchuck.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |             try!(self
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> examples/sensors.rs:176:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 try!(i2cdev
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> examples/nunchuck.rs:43:69
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 NunchuckError::ParseError => fmt::Display::fmt(self.description(), f),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> examples/nunchuck.rs:51:50
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 NunchuckError::Error(ref e) => e.description(),
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/linux.rs:75:43
[INFO] [stdout]    |
[INFO] [stdout] 75 |             LinuxI2CError::Io(ref e) => e.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/linux.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 76 |             LinuxI2CError::Nix(ref e) => e.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.05s
[INFO] running `Command { std: "docker" "inspect" "ddc60888c2e95dfafc02bc66cd85778fd393d871dd2ff7314865294308177220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc60888c2e95dfafc02bc66cd85778fd393d871dd2ff7314865294308177220", kill_on_drop: false }`
[INFO] [stdout] ddc60888c2e95dfafc02bc66cd85778fd393d871dd2ff7314865294308177220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8abe8af8ec0bccea816ecd115bf3506bfe1690b18c85afd5d9f40b2a001a20d
[INFO] running `Command { std: "docker" "start" "-a" "c8abe8af8ec0bccea816ecd115bf3506bfe1690b18c85afd5d9f40b2a001a20d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/linux.rs:75:43
[INFO] [stderr]    |
[INFO] [stderr] 75 |             LinuxI2CError::Io(ref e) => e.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/linux.rs:76:44
[INFO] [stderr]    |
[INFO] [stderr] 76 |             LinuxI2CError::Nix(ref e) => e.description(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> examples/sensors.rs:176:17
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 try!(i2cdev
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/linux.rs:75:43
[INFO] [stderr]    |
[INFO] [stderr] 75 |             LinuxI2CError::Io(ref e) => e.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/linux.rs:76:44
[INFO] [stderr]    |
[INFO] [stderr] 76 |             LinuxI2CError::Nix(ref e) => e.description(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> examples/nunchuck.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |             try!(self
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> examples/nunchuck.rs:43:69
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 NunchuckError::ParseError => fmt::Display::fmt(self.description(), f),
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> examples/nunchuck.rs:51:50
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 NunchuckError::Error(ref e) => e.description(),
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/i2cdev-fd84d14ddecbd12f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests i2cdev
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 71) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 45) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 15) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8abe8af8ec0bccea816ecd115bf3506bfe1690b18c85afd5d9f40b2a001a20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8abe8af8ec0bccea816ecd115bf3506bfe1690b18c85afd5d9f40b2a001a20d", kill_on_drop: false }`
[INFO] [stdout] c8abe8af8ec0bccea816ecd115bf3506bfe1690b18c85afd5d9f40b2a001a20d