[INFO] crate id_tree 1.7.0 is already in cache
[INFO] checking id_tree-1.7.0 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate id_tree 1.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate id_tree 1.7.0 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate id_tree 1.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate id_tree 1.7.0
[INFO] tweaked toml for crates.io crate id_tree 1.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate id_tree 1.7.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8e52435080bd91a750a927821bc44acbcb89bf77e9edb3e3aa6b5633acf05645
[INFO] running `"docker" "start" "-a" "8e52435080bd91a750a927821bc44acbcb89bf77e9edb3e3aa6b5633acf05645"`
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking id_tree v1.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tree.rs:426:13
[INFO] [stderr]     |
[INFO] [stderr] 426 |             try!(self.remove_node_drop_children(child));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tree.rs:550:13
[INFO] [stderr]     |
[INFO] [stderr] 550 |             try!(self.move_node_to_parent(&old_root, node_id));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tree.rs:426:13
[INFO] [stderr]     |
[INFO] [stderr] 426 |             try!(self.remove_node_drop_children(child));
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/tree.rs:550:13
[INFO] [stderr]     |
[INFO] [stderr] 550 |             try!(self.move_node_to_parent(&old_root, node_id));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "8e52435080bd91a750a927821bc44acbcb89bf77e9edb3e3aa6b5633acf05645"`
[INFO] running `"docker" "rm" "-f" "8e52435080bd91a750a927821bc44acbcb89bf77e9edb3e3aa6b5633acf05645"`
[INFO] [stdout] 8e52435080bd91a750a927821bc44acbcb89bf77e9edb3e3aa6b5633acf05645