[INFO] fetching crate treediff 3.0.1...
[INFO] checking treediff-3.0.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate treediff 3.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate treediff 3.0.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate treediff 3.0.1
[INFO] finished tweaking crates.io crate treediff 3.0.1
[INFO] tweaked toml for crates.io crate treediff 3.0.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4db17667cf765c787fbdb9869034af2023bbce4d314fcb3377b62194f6907784
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4db17667cf765c787fbdb9869034af2023bbce4d314fcb3377b62194f6907784"`
[INFO] [stderr]     Checking treediff v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/traitdef.rs:9:42
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn items<'a>(&'a self) -> Option<Box<Iterator<Item = (Self::Key, &'a Self::Item)> + 'a>>;
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (Self::Key, &'a Self::Item)> + 'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/traitdef.rs:9:42
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn items<'a>(&'a self) -> Option<Box<Iterator<Item = (Self::Key, &'a Self::Item)> + 'a>>;
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (Self::Key, &'a Self::Item)> + 'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> tests/json_value.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / macro_rules! make_suite {
[INFO] [stderr] 4  | | ($bool:expr) => {
[INFO] [stderr] 5  | |     use treediff::Value;
[INFO] [stderr] 6  | |     use treediff::value::Key;
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | | };
[INFO] [stderr] 38 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> tests/merge.rs:3:1
[INFO] [stderr]     |
[INFO] [stderr] 3   | / macro_rules! make_suite {
[INFO] [stderr] 4   | | () => {
[INFO] [stderr] 5   | |     use treediff::diff;
[INFO] [stderr] 6   | |     use treediff::tools::{MutableFilter, Merger};
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | | }
[INFO] [stderr] 167 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "4db17667cf765c787fbdb9869034af2023bbce4d314fcb3377b62194f6907784"`
[INFO] running `"docker" "rm" "-f" "4db17667cf765c787fbdb9869034af2023bbce4d314fcb3377b62194f6907784"`
[INFO] [stdout] 4db17667cf765c787fbdb9869034af2023bbce4d314fcb3377b62194f6907784