[INFO] fetching crate i2cdev_bno055 0.1.3...
[INFO] testing i2cdev_bno055-0.1.3 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take4
[INFO] extracting crate i2cdev_bno055 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate i2cdev_bno055 0.1.3 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i2cdev_bno055 0.1.3
[INFO] finished tweaking crates.io crate i2cdev_bno055 0.1.3
[INFO] tweaked toml for crates.io crate i2cdev_bno055 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.14.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.2
[INFO] [stderr]   Downloaded i2cdev v0.3.2
[INFO] [stderr]   Downloaded skeptic v0.13.7
[INFO] [stderr]   Downloaded i2csensors v0.1.3
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded nix v0.10.0
[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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53a387899fd00d812e63c06b2384d8597fa4d5f7535f8863d6b773f5844c7af1
[INFO] running `Command { std: "docker" "start" "-a" "53a387899fd00d812e63c06b2384d8597fa4d5f7535f8863d6b773f5844c7af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53a387899fd00d812e63c06b2384d8597fa4d5f7535f8863d6b773f5844c7af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a387899fd00d812e63c06b2384d8597fa4d5f7535f8863d6b773f5844c7af1", kill_on_drop: false }`
[INFO] [stdout] 53a387899fd00d812e63c06b2384d8597fa4d5f7535f8863d6b773f5844c7af1
[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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 383fe623390a0c3b25ea093061768842a05dad5cecd8fb6ca7f5f59a82ab7765
[INFO] running `Command { std: "docker" "start" "-a" "383fe623390a0c3b25ea093061768842a05dad5cecd8fb6ca7f5f59a82ab7765", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.150
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bytecount v0.6.3
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling i2csensors v0.1.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling i2cdev_bno055 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `status`, `selftest`, and `error` are never read
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct BNO055SystemStatus {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 157 |     status: BNO055SystemStatusCode,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 158 |     // TODO: bitflagify this
[INFO] [stdout] 159 |     selftest: Option<u8>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 160 |     error: BNO055SystemErrorCode,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BNO055SystemStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 20.00s
[INFO] running `Command { std: "docker" "inspect" "383fe623390a0c3b25ea093061768842a05dad5cecd8fb6ca7f5f59a82ab7765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383fe623390a0c3b25ea093061768842a05dad5cecd8fb6ca7f5f59a82ab7765", kill_on_drop: false }`
[INFO] [stdout] 383fe623390a0c3b25ea093061768842a05dad5cecd8fb6ca7f5f59a82ab7765
[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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 68b11ff0ab4266b147da59e3220578766eb789e5dea8cbd24252cf930203653a
[INFO] running `Command { std: "docker" "start" "-a" "68b11ff0ab4266b147da59e3220578766eb789e5dea8cbd24252cf930203653a", kill_on_drop: false }`
[INFO] [stderr]    Compiling i2cdev_bno055 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `status`, `selftest`, and `error` are never read
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct BNO055SystemStatus {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 157 |     status: BNO055SystemStatusCode,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 158 |     // TODO: bitflagify this
[INFO] [stdout] 159 |     selftest: Option<u8>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 160 |     error: BNO055SystemErrorCode,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BNO055SystemStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: fields `status`, `selftest`, and `error` are never read
[INFO] [stdout]    --> src/lib.rs:157:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub struct BNO055SystemStatus {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 157 |     status: BNO055SystemStatusCode,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 158 |     // TODO: bitflagify this
[INFO] [stdout] 159 |     selftest: Option<u8>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 160 |     error: BNO055SystemErrorCode,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BNO055SystemStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 0.74s
[INFO] running `Command { std: "docker" "inspect" "68b11ff0ab4266b147da59e3220578766eb789e5dea8cbd24252cf930203653a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b11ff0ab4266b147da59e3220578766eb789e5dea8cbd24252cf930203653a", kill_on_drop: false }`
[INFO] [stdout] 68b11ff0ab4266b147da59e3220578766eb789e5dea8cbd24252cf930203653a
[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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 792d2ee480d387faa56d68fd16f27fc9ba3613ae061d3595461fd14c57c1ae20
[INFO] running `Command { std: "docker" "start" "-a" "792d2ee480d387faa56d68fd16f27fc9ba3613ae061d3595461fd14c57c1ae20", kill_on_drop: false }`
[INFO] [stderr] warning: fields `status`, `selftest`, and `error` are never read
[INFO] [stderr]    --> src/lib.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 156 | pub struct BNO055SystemStatus {
[INFO] [stderr]     |            ------------------ fields in this struct
[INFO] [stderr] 157 |     status: BNO055SystemStatusCode,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 158 |     // TODO: bitflagify this
[INFO] [stderr] 159 |     selftest: Option<u8>,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 160 |     error: BNO055SystemErrorCode,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `BNO055SystemStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `i2cdev_bno055` (lib) generated 1 warning
[INFO] [stderr] warning: `i2cdev_bno055` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/i2cdev_bno055-10b4e89eb722dbdb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "792d2ee480d387faa56d68fd16f27fc9ba3613ae061d3595461fd14c57c1ae20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792d2ee480d387faa56d68fd16f27fc9ba3613ae061d3595461fd14c57c1ae20", kill_on_drop: false }`
[INFO] [stdout] 792d2ee480d387faa56d68fd16f27fc9ba3613ae061d3595461fd14c57c1ae20