[INFO] fetching crate HTU21D 0.1.1...
[INFO] testing HTU21D-0.1.1 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate HTU21D 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate HTU21D 0.1.1 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] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate HTU21D 0.1.1
[INFO] finished tweaking crates.io crate HTU21D 0.1.1
[INFO] tweaked toml for crates.io crate HTU21D 0.1.1 written to /workspace/builds/worker-6/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 serial-core v0.4.0
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded spidev v0.5.1
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded i2cdev v0.5.1
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded sysfs_gpio v0.6.1
[INFO] [stderr]   Downloaded gpio-cdev v0.5.1
[INFO] [stderr]   Downloaded memoffset v0.6.5
[INFO] [stderr]   Downloaded linux-embedded-hal v0.3.2
[INFO] [stderr]   Downloaded nix v0.23.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e9ffce473d05e22505f15656f5aff709811862bba37e4f219ab932bf84409bc2
[INFO] running `Command { std: "docker" "start" "-a" "e9ffce473d05e22505f15656f5aff709811862bba37e4f219ab932bf84409bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ffce473d05e22505f15656f5aff709811862bba37e4f219ab932bf84409bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ffce473d05e22505f15656f5aff709811862bba37e4f219ab932bf84409bc2", kill_on_drop: false }`
[INFO] [stdout] e9ffce473d05e22505f15656f5aff709811862bba37e4f219ab932bf84409bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2a3e8a992279cfa96ab77832ddbb1a57dc92ff1f0b2a86fbc90c74d92cc21d7a
[INFO] running `Command { std: "docker" "start" "-a" "2a3e8a992279cfa96ab77832ddbb1a57dc92ff1f0b2a86fbc90c74d92cc21d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling i2cdev v0.5.1
[INFO] [stderr]    Compiling spidev v0.5.1
[INFO] [stderr]    Compiling sysfs_gpio v0.6.1
[INFO] [stderr]    Compiling gpio-cdev v0.5.1
[INFO] [stderr]    Compiling linux-embedded-hal v0.3.2
[INFO] [stderr]    Compiling HTU21D v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `HTU21D` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `htu21_d`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` 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 6.13s
[INFO] running `Command { std: "docker" "inspect" "2a3e8a992279cfa96ab77832ddbb1a57dc92ff1f0b2a86fbc90c74d92cc21d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3e8a992279cfa96ab77832ddbb1a57dc92ff1f0b2a86fbc90c74d92cc21d7a", kill_on_drop: false }`
[INFO] [stdout] 2a3e8a992279cfa96ab77832ddbb1a57dc92ff1f0b2a86fbc90c74d92cc21d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cb3e12e6b053d262bdd8f36db5a125106807af32d55734dd6c555fec078069bd
[INFO] running `Command { std: "docker" "start" "-a" "cb3e12e6b053d262bdd8f36db5a125106807af32d55734dd6c555fec078069bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling HTU21D v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `HTU21D` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `htu21_d`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `HTU21D` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `htu21_d`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "cb3e12e6b053d262bdd8f36db5a125106807af32d55734dd6c555fec078069bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3e12e6b053d262bdd8f36db5a125106807af32d55734dd6c555fec078069bd", kill_on_drop: false }`
[INFO] [stdout] cb3e12e6b053d262bdd8f36db5a125106807af32d55734dd6c555fec078069bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8b4ec124ecc1ef80f17f97fb9399cf7b42a19190ecd3a6eebb090a20a747f575
[INFO] running `Command { std: "docker" "start" "-a" "8b4ec124ecc1ef80f17f97fb9399cf7b42a19190ecd3a6eebb090a20a747f575", kill_on_drop: false }`
[INFO] [stderr] warning: crate `HTU21D` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `htu21_d`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `HTU21D` (lib) generated 1 warning
[INFO] [stderr] warning: `HTU21D` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/HTU21D-859f774f94cdb093)
[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" "8b4ec124ecc1ef80f17f97fb9399cf7b42a19190ecd3a6eebb090a20a747f575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4ec124ecc1ef80f17f97fb9399cf7b42a19190ecd3a6eebb090a20a747f575", kill_on_drop: false }`
[INFO] [stdout] 8b4ec124ecc1ef80f17f97fb9399cf7b42a19190ecd3a6eebb090a20a747f575