[INFO] fetching crate knxkit_cli 0.1.0...
[INFO] checking knxkit_cli-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate knxkit_cli 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate knxkit_cli 0.1.0
[INFO] finished tweaking crates.io crate knxkit_cli 0.1.0
[INFO] tweaked toml for crates.io crate knxkit_cli 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate knxkit_cli 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate knxkit_cli 0.1.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parse_duration v2.1.1
[INFO] [stderr]   Downloaded dns-lookup v2.0.4
[INFO] [stderr]   Downloaded local-ip-address v0.6.3
[INFO] [stderr]   Downloaded interpolator v0.5.0
[INFO] [stderr]   Downloaded cookie-factory v0.3.3
[INFO] [stderr]   Downloaded knxkit_dpt v0.1.2
[INFO] [stderr]   Downloaded neli-proc-macros v0.1.3
[INFO] [stderr]   Downloaded neli v0.6.4
[INFO] [stderr]   Downloaded knxkit v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea3c155b15d487562a0650cf93c0d273aee7086a875c056c64d22232d78b7ec4
[INFO] running `Command { std: "docker" "start" "-a" "ea3c155b15d487562a0650cf93c0d273aee7086a875c056c64d22232d78b7ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea3c155b15d487562a0650cf93c0d273aee7086a875c056c64d22232d78b7ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3c155b15d487562a0650cf93c0d273aee7086a875c056c64d22232d78b7ec4", kill_on_drop: false }`
[INFO] [stdout] ea3c155b15d487562a0650cf93c0d273aee7086a875c056c64d22232d78b7ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75f74b57a1d904cc9a2db9c19e462a9c2a992aae7f4ede5209806ad213817dd6
[INFO] running `Command { std: "docker" "start" "-a" "75f74b57a1d904cc9a2db9c19e462a9c2a992aae7f4ede5209806ad213817dd6", kill_on_drop: false }`
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[INFO] [stderr]     Checking knxkit_dpt v0.1.2
[INFO] [stderr]     Checking knxkit_cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `unwrap_or_empty` is never used
[INFO] [stdout]   --> src/util.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub trait Defaults<'a> {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] 29 |     fn unwrap_or_missing(self) -> CowString<'a>;
[INFO] [stdout] 30 |     fn unwrap_or_empty(self) -> CowString<'a>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_or_empty` is never used
[INFO] [stdout]   --> src/util.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub trait Defaults<'a> {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] 29 |     fn unwrap_or_missing(self) -> CowString<'a>;
[INFO] [stdout] 30 |     fn unwrap_or_empty(self) -> CowString<'a>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.50s
[INFO] running `Command { std: "docker" "inspect" "75f74b57a1d904cc9a2db9c19e462a9c2a992aae7f4ede5209806ad213817dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f74b57a1d904cc9a2db9c19e462a9c2a992aae7f4ede5209806ad213817dd6", kill_on_drop: false }`
[INFO] [stdout] 75f74b57a1d904cc9a2db9c19e462a9c2a992aae7f4ede5209806ad213817dd6