[INFO] fetching crate htu2xd 0.1.0... [INFO] checking htu2xd-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate htu2xd 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate htu2xd 0.1.0 [INFO] finished tweaking crates.io crate htu2xd 0.1.0 [INFO] tweaked toml for crates.io crate htu2xd 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate htu2xd 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] [stderr] Adding embedded-hal-mock v0.7.2 (available: v0.11.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 36085df8c75a91c2d2e2a004811ce00cc6020a07e1ee7ed2450d6bacb00ffe1b [INFO] running `Command { std: "docker" "start" "-a" "36085df8c75a91c2d2e2a004811ce00cc6020a07e1ee7ed2450d6bacb00ffe1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "36085df8c75a91c2d2e2a004811ce00cc6020a07e1ee7ed2450d6bacb00ffe1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36085df8c75a91c2d2e2a004811ce00cc6020a07e1ee7ed2450d6bacb00ffe1b", kill_on_drop: false }` [INFO] [stdout] 36085df8c75a91c2d2e2a004811ce00cc6020a07e1ee7ed2450d6bacb00ffe1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbb529ccf2b99fc32e4e9a0829281a41142eb72f35b21adb87ba5ef1f02742a5 [INFO] running `Command { std: "docker" "start" "-a" "fbb529ccf2b99fc32e4e9a0829281a41142eb72f35b21adb87ba5ef1f02742a5", kill_on_drop: false }` [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking embedded-hal-mock v0.7.2 [INFO] [stderr] Checking htu2xd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:186:26 [INFO] [stdout] | [INFO] [stdout] 186 | pub fn read_humidity(&mut self, i2c: &mut I) -> Result, E> { [INFO] [stdout] | ^^^^^^^^^ ------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 186 | pub fn read_humidity(&mut self, i2c: &mut I) -> Result, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:200:29 [INFO] [stdout] | [INFO] [stdout] 200 | pub fn read_temperature(&mut self, i2c: &mut I) -> Result, E> { [INFO] [stdout] | ^^^^^^^^^ ---------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 200 | pub fn read_temperature(&mut self, i2c: &mut I) -> Result, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:186:26 [INFO] [stdout] | [INFO] [stdout] 186 | pub fn read_humidity(&mut self, i2c: &mut I) -> Result, E> { [INFO] [stdout] | ^^^^^^^^^ ------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 186 | pub fn read_humidity(&mut self, i2c: &mut I) -> Result, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:200:29 [INFO] [stdout] | [INFO] [stdout] 200 | pub fn read_temperature(&mut self, i2c: &mut I) -> Result, E> { [INFO] [stdout] | ^^^^^^^^^ ---------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 200 | pub fn read_temperature(&mut self, i2c: &mut I) -> Result, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "fbb529ccf2b99fc32e4e9a0829281a41142eb72f35b21adb87ba5ef1f02742a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbb529ccf2b99fc32e4e9a0829281a41142eb72f35b21adb87ba5ef1f02742a5", kill_on_drop: false }` [INFO] [stdout] fbb529ccf2b99fc32e4e9a0829281a41142eb72f35b21adb87ba5ef1f02742a5