[INFO] fetching crate rdc 0.1.0...
[INFO] checking rdc-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate rdc 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rdc 0.1.0
[INFO] finished tweaking crates.io crate rdc 0.1.0
[INFO] tweaked toml for crates.io crate rdc 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rdc 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded rdc-macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a408fd58732e7ca92bf65c271d6379fda4745ad11ffa4c3ac419c2276d656bbb
[INFO] running `Command { std: "docker" "start" "-a" "a408fd58732e7ca92bf65c271d6379fda4745ad11ffa4c3ac419c2276d656bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a408fd58732e7ca92bf65c271d6379fda4745ad11ffa4c3ac419c2276d656bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a408fd58732e7ca92bf65c271d6379fda4745ad11ffa4c3ac419c2276d656bbb", kill_on_drop: false }`
[INFO] [stdout] a408fd58732e7ca92bf65c271d6379fda4745ad11ffa4c3ac419c2276d656bbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] df3596b1a603d733e0cba51b6bbc5bd45a8aea023a7716699435bc9560fd9105
[INFO] running `Command { std: "docker" "start" "-a" "df3596b1a603d733e0cba51b6bbc5bd45a8aea023a7716699435bc9560fd9105", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling genco-macros v0.17.10
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking relative-path v1.9.3
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking uuid v1.17.0
[INFO] [stderr]    Compiling rdc-macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking genco v0.17.10
[INFO] [stderr]     Checking rdc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `join` is never used
[INFO] [stdout]  --> src/targets/java/cg_utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Compact<T> {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] 5 |     fn compact(&self) -> T;
[INFO] [stdout] 6 |     fn join(&self, sep: &str) -> T;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stdout] warning: method `join` is never used
[INFO] [stdout]  --> src/targets/java/cg_utils.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Compact<T> {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] 5 |     fn compact(&self) -> T;
[INFO] [stdout] 6 |     fn join(&self, sep: &str) -> T;
[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 16.01s
[INFO] running `Command { std: "docker" "inspect" "df3596b1a603d733e0cba51b6bbc5bd45a8aea023a7716699435bc9560fd9105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3596b1a603d733e0cba51b6bbc5bd45a8aea023a7716699435bc9560fd9105", kill_on_drop: false }`
[INFO] [stdout] df3596b1a603d733e0cba51b6bbc5bd45a8aea023a7716699435bc9560fd9105