[INFO] updating cached repository nettok/euler-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nettok/euler-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nettok/euler-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/nettok/euler-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nettok/euler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nettok/euler-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nettok/euler-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nettok/euler-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8deb662b1bf6f2ea4901b7c6f78b8d21921b1c95
[INFO] sha for GitHub repo nettok/euler-rust: 8deb662b1bf6f2ea4901b7c6f78b8d21921b1c95
[INFO] validating manifest of nettok/euler-rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nettok/euler-rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nettok/euler-rust
[INFO] finished frobbing nettok/euler-rust
[INFO] frobbed toml for nettok/euler-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/nettok/euler-rust/Cargo.toml
[INFO] started frobbing nettok/euler-rust
[INFO] finished frobbing nettok/euler-rust
[INFO] frobbed toml for nettok/euler-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nettok/euler-rust/Cargo.toml
[INFO] crate nettok/euler-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nettok/euler-rust/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nettok/euler-rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nettok/euler-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 118e482b36f8f81278008ddc3937b73a3445b80f7e0e293c9876c50f0e75de5e
[INFO] running `"docker" "start" "-a" "118e482b36f8f81278008ddc3937b73a3445b80f7e0e293c9876c50f0e75de5e"`
[INFO] [stderr]    Compiling euler-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(core)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/p003.rs:32:15
[INFO] [stderr]    |
[INFO] [stderr] 32 |             1 ... 1373652                   => { static A: &'static[usize] = &[2, 3]; A },
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/p003.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |             1373653 ... 4759123140          => { static A: &'static[usize] = &[2, 7, 61]; A },
[INFO] [stderr]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/p003.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |             4759123141 ... 2152302898746    => { static A: &'static[usize] = &[2, 3, 5, 7, 11]; A },
[INFO] [stderr]    |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/p003.rs:35:27
[INFO] [stderr]    |
[INFO] [stderr] 35 |             2152302898747 ... 3474749660382 => { static A: &'static[usize] = &[2, 3, 5, 7, 11, 13]; A },
[INFO] [stderr]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `euler-rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "118e482b36f8f81278008ddc3937b73a3445b80f7e0e293c9876c50f0e75de5e"`
[INFO] running `"docker" "rm" "-f" "118e482b36f8f81278008ddc3937b73a3445b80f7e0e293c9876c50f0e75de5e"`
[INFO] [stdout] 118e482b36f8f81278008ddc3937b73a3445b80f7e0e293c9876c50f0e75de5e