[INFO] updating cached repository https://github.com/plasma-umass/ilvm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7bb1d6e09801fd04821820214f56e6bfbb54e45
[INFO] checking plasma-umass/ilvm against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplasma-umass%2Filvm" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plasma-umass/ilvm on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/plasma-umass/ilvm
[INFO] finished tweaking git repo https://github.com/plasma-umass/ilvm
[INFO] tweaked toml for git repo https://github.com/plasma-umass/ilvm written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/plasma-umass/ilvm already has a lockfile, it will not be regenerated
[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-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" "+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] 216e92c8e6c41020c3e9d5f778829103c3bde591a11426492ba72d1e78747dc2
[INFO] running `"docker" "start" "-a" "216e92c8e6c41020c3e9d5f778829103c3bde591a11426492ba72d1e78747dc2"`
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking combine v3.6.2
[INFO] [stderr]     Checking ilvm v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/eval.rs:176:41
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 let (free_list2, ptr) = try!(
[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/eval.rs:189:25
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let size = *try!(
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let blocks = try!(parser::parse(code));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let blocks = try!(tc::tc(blocks));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut file = try!(File::open(&path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     try!(file.read_to_string(&mut buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/eval.rs:176:41
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 let (free_list2, ptr) = try!(
[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/eval.rs:189:25
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let size = *try!(
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:24:18
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let blocks = try!(parser::parse(code));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let blocks = try!(tc::tc(blocks));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut file = try!(File::open(&path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     try!(file.read_to_string(&mut buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.30s
[INFO] running `"docker" "inspect" "216e92c8e6c41020c3e9d5f778829103c3bde591a11426492ba72d1e78747dc2"`
[INFO] running `"docker" "rm" "-f" "216e92c8e6c41020c3e9d5f778829103c3bde591a11426492ba72d1e78747dc2"`
[INFO] [stdout] 216e92c8e6c41020c3e9d5f778829103c3bde591a11426492ba72d1e78747dc2