[INFO] crate rubbish 0.1.0 is already in cache
[INFO] checking rubbish-0.1.0 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate rubbish 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rubbish 0.1.0 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rubbish 0.1.0
[INFO] finished tweaking crates.io crate rubbish 0.1.0
[INFO] tweaked toml for crates.io crate rubbish 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 4d7bbd1c1f86fe15a71888e19622c31a0f7ad6566784121b9e1acb60c1fb9a78
[INFO] running `"docker" "start" "-a" "4d7bbd1c1f86fe15a71888e19622c31a0f7ad6566784121b9e1acb60c1fb9a78"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking bincode v0.6.1
[INFO] [stderr]     Checking rubbish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fs/commit.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let new_tree = try!(modifier(self.tree.clone()));
[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/fs/tree.rs:103:24
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut node = try!(self.root.resolve(storage));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/fs/tree.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |                     try!(subtree.resolve(storage))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/fs/tree.rs:127:35
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let resolved: Arc<Node> = try!(self.root.resolve(storage));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/fs/tree.rs:136:40
[INFO] [stderr]     |
[INFO] [stderr] 136 |                         let resolved = try!(subtree.resolve(storage));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/mod.rs:35:26
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub type ObjectStorage = ContentAddressibleStorage<Object>;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ContentAddressibleStorage<Object>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/fs/commit.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let new_tree = try!(modifier(self.tree.clone()));
[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/fs/commit.rs:108:24
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let tree = try!(tree.write(&mut storage, &["x", "y"], "Y".to_string()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/fs/commit.rs:109:24
[INFO] [stderr]     |
[INFO] [stderr] 109 |             let tree = try!(tree.write(&mut storage, &["x", "z"], "Z".to_string()));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/fs/tree.rs:103:24
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut node = try!(self.root.resolve(storage));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/fs/tree.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |                     try!(subtree.resolve(storage))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/fs/tree.rs:127:35
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let resolved: Arc<Node> = try!(self.root.resolve(storage));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/fs/tree.rs:136:40
[INFO] [stderr]     |
[INFO] [stderr] 136 |                         let resolved = try!(subtree.resolve(storage));
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fs/mod.rs:35:26
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub type ObjectStorage = ContentAddressibleStorage<Object>;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ContentAddressibleStorage<Object>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.08s
[INFO] running `"docker" "inspect" "4d7bbd1c1f86fe15a71888e19622c31a0f7ad6566784121b9e1acb60c1fb9a78"`
[INFO] running `"docker" "rm" "-f" "4d7bbd1c1f86fe15a71888e19622c31a0f7ad6566784121b9e1acb60c1fb9a78"`
[INFO] [stdout] 4d7bbd1c1f86fe15a71888e19622c31a0f7ad6566784121b9e1acb60c1fb9a78