[INFO] updating cached repository sivanbecker/pics_bckup
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sivanbecker/pics_bckup
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sivanbecker/pics_bckup" "work/ex/beta-1.38-1/sources/1.37.0/gh/sivanbecker/pics_bckup"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sivanbecker/pics_bckup'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sivanbecker/pics_bckup" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sivanbecker/pics_bckup"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sivanbecker/pics_bckup'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 98fa19530b5e0b0abfc4ee7dd8798447ae25822e
[INFO] sha for GitHub repo sivanbecker/pics_bckup: 98fa19530b5e0b0abfc4ee7dd8798447ae25822e
[INFO] validating manifest of sivanbecker/pics_bckup 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 sivanbecker/pics_bckup 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 sivanbecker/pics_bckup
[INFO] finished frobbing sivanbecker/pics_bckup
[INFO] frobbed toml for sivanbecker/pics_bckup written to work/ex/beta-1.38-1/sources/1.37.0/gh/sivanbecker/pics_bckup/Cargo.toml
[INFO] started frobbing sivanbecker/pics_bckup
[INFO] finished frobbing sivanbecker/pics_bckup
[INFO] frobbed toml for sivanbecker/pics_bckup written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sivanbecker/pics_bckup/Cargo.toml
[INFO] crate sivanbecker/pics_bckup 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sivanbecker/pics_bckup 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/sivanbecker/pics_bckup:/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] 987a0dfe7da914ca2adf8555dbbe5ed3e5e7533f191c495ae84050f046050c6e
[INFO] running `"docker" "start" "-a" "987a0dfe7da914ca2adf8555dbbe5ed3e5e7533f191c495ae84050f046050c6e"`
[INFO] [stderr]    Compiling pics_bckup v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `*ve` as mutable, as it is behind a `&` reference
[INFO] [stderr]   --> src/main.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn recursive_walk(ve: &Vec<LocalDir>) -> &Vec<LocalDir> {
[INFO] [stderr]    |                       -------------- help: consider changing this to be a mutable reference: `&mut std::vec::Vec<LocalDir>`
[INFO] [stderr] ...
[INFO] [stderr] 54 |             ve.push(LocalDir {
[INFO] [stderr]    |             ^^ `ve` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `*ve` as mutable, as it is behind a `&` reference
[INFO] [stderr]   --> src/main.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn recursive_walk(ve: &Vec<LocalDir>) -> &Vec<LocalDir> {
[INFO] [stderr]    |                       -------------- help: consider changing this to be a mutable reference: `&mut std::vec::Vec<LocalDir>`
[INFO] [stderr] ...
[INFO] [stderr] 61 |             ve[1].sub_amount += 1;
[INFO] [stderr]    |             ^^ `ve` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: Could not compile `pics_bckup`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "987a0dfe7da914ca2adf8555dbbe5ed3e5e7533f191c495ae84050f046050c6e"`
[INFO] running `"docker" "rm" "-f" "987a0dfe7da914ca2adf8555dbbe5ed3e5e7533f191c495ae84050f046050c6e"`
[INFO] [stdout] 987a0dfe7da914ca2adf8555dbbe5ed3e5e7533f191c495ae84050f046050c6e