[INFO] fetching crate reed-solomon 0.2.1...
[INFO] checking reed-solomon-0.2.1 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate reed-solomon 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate reed-solomon 0.2.1 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reed-solomon 0.2.1
[INFO] finished tweaking crates.io crate reed-solomon 0.2.1
[INFO] tweaked toml for crates.io crate reed-solomon 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 717ea66a5328c9a961e0c89b36afb39587bcb2a3ac9d446de79db4a43d7dccec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "717ea66a5328c9a961e0c89b36afb39587bcb2a3ac9d446de79db4a43d7dccec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "717ea66a5328c9a961e0c89b36afb39587bcb2a3ac9d446de79db4a43d7dccec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717ea66a5328c9a961e0c89b36afb39587bcb2a3ac9d446de79db4a43d7dccec", kill_on_drop: false }`
[INFO] [stdout] 717ea66a5328c9a961e0c89b36afb39587bcb2a3ac9d446de79db4a43d7dccec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 216797411daa3af2e91c6e36aa8456bf1bbeb8ac289304386c0348b7f9f0700d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "216797411daa3af2e91c6e36aa8456bf1bbeb8ac289304386c0348b7f9f0700d", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking reed-solomon v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let err_loc = try!(self.find_error_locator(&fsynd, None, erase_pos.len()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:93:27
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut err_pos = try!(self.find_errors(&err_loc.reverse(), msg.len()));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let err_loc = try!(self.find_error_locator(&fsynd, None, erase_pos.len()));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/decoder.rs:93:27
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut err_pos = try!(self.find_errors(&err_loc.reverse(), msg.len()));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "216797411daa3af2e91c6e36aa8456bf1bbeb8ac289304386c0348b7f9f0700d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216797411daa3af2e91c6e36aa8456bf1bbeb8ac289304386c0348b7f9f0700d", kill_on_drop: false }`
[INFO] [stdout] 216797411daa3af2e91c6e36aa8456bf1bbeb8ac289304386c0348b7f9f0700d