[INFO] cloning repository https://github.com/bdash/brainrust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bdash/brainrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdash%2Fbrainrust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdash%2Fbrainrust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ae5393bd55b2b7003d5af2b7f786c8199333fb8
[INFO] checking bdash/brainrust against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbdash%2Fbrainrust" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bdash/brainrust on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bdash/brainrust
[INFO] finished tweaking git repo https://github.com/bdash/brainrust
[INFO] tweaked toml for git repo https://github.com/bdash/brainrust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/bdash/brainrust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43204c87d67f440e85584501743db6b33210502568f898aaca0556edb182c86d
[INFO] running `"docker" "start" "-a" "43204c87d67f440e85584501743db6b33210502568f898aaca0556edb182c86d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking void v0.0.5
[INFO] [stderr]     Checking syscall v0.2.1
[INFO] [stderr]     Checking itertools v0.3.25
[INFO] [stderr]     Checking unreachable v0.0.2
[INFO] [stderr]     Checking brainrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/jit.rs:228:18
[INFO] [stderr]     |
[INFO] [stderr] 228 |   let mut file = try!(OpenOptions::new().write(true).create(true).truncate(true).open(&Path::new(file_path)));
[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/jit.rs:229:3
[INFO] [stderr]     |
[INFO] [stderr] 229 |   try!(file.write_all(&buffer[..]));
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/jit.rs:228:18
[INFO] [stderr]     |
[INFO] [stderr] 228 |   let mut file = try!(OpenOptions::new().write(true).create(true).truncate(true).open(&Path::new(file_path)));
[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/jit.rs:229:3
[INFO] [stderr]     |
[INFO] [stderr] 229 |   try!(file.write_all(&buffer[..]));
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |   let mut file = try!(File::open(&Path::new(input_file_path)));
[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/main.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |   try!(file.read_to_end(&mut contents));
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |   let mut file = try!(File::open(&Path::new(input_file_path)));
[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/main.rs:15:3
[INFO] [stderr]    |
[INFO] [stderr] 15 |   try!(file.read_to_end(&mut contents));
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "43204c87d67f440e85584501743db6b33210502568f898aaca0556edb182c86d"`
[INFO] running `"docker" "rm" "-f" "43204c87d67f440e85584501743db6b33210502568f898aaca0556edb182c86d"`
[INFO] [stdout] 43204c87d67f440e85584501743db6b33210502568f898aaca0556edb182c86d