[INFO] crate quackin 0.1.1 is already in cache
[INFO] checking quackin-0.1.1 against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] extracting crate quackin 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate quackin 0.1.1 on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate quackin 0.1.1
[INFO] finished tweaking crates.io crate quackin 0.1.1
[INFO] tweaked toml for crates.io crate quackin 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 1cad1f3fdb23bf804e737dd9f19688ff1b403268b57f3301f986fe448b587831
[INFO] running `"docker" "start" "-a" "1cad1f3fdb23bf804e737dd9f19688ff1b403268b57f3301f986fe448b587831"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ndarray v0.6.10
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking sprs v0.4.1
[INFO] [stderr]     Checking quackin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/data/mod.rs:109:22
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut reader = try!(csv::Reader::from_file(path)).has_headers(has_headers).delimiter(del);
[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/recommender/mod.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let user_index = try!(self.user_indices.get(user_id).ok_or("User not found"));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/recommender/mod.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let item_index = try!(self.item_indices.get(item_id).ok_or("Item not found"));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/data/mod.rs:109:22
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut reader = try!(csv::Reader::from_file(path)).has_headers(has_headers).delimiter(del);
[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/recommender/mod.rs:95:26
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let user_index = try!(self.user_indices.get(user_id).ok_or("User not found"));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/recommender/mod.rs:96:26
[INFO] [stderr]    |
[INFO] [stderr] 96 |         let item_index = try!(self.item_indices.get(item_id).ok_or("Item not found"));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.22s
[INFO] running `"docker" "inspect" "1cad1f3fdb23bf804e737dd9f19688ff1b403268b57f3301f986fe448b587831"`
[INFO] running `"docker" "rm" "-f" "1cad1f3fdb23bf804e737dd9f19688ff1b403268b57f3301f986fe448b587831"`
[INFO] [stdout] 1cad1f3fdb23bf804e737dd9f19688ff1b403268b57f3301f986fe448b587831