[INFO] updating cached repository https://github.com/sivanbecker/pics_bckup
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98fa19530b5e0b0abfc4ee7dd8798447ae25822e
[INFO] testing sivanbecker/pics_bckup against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivanbecker%2Fpics_bckup" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sivanbecker/pics_bckup on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sivanbecker/pics_bckup
[INFO] finished tweaking git repo https://github.com/sivanbecker/pics_bckup
[INFO] tweaked toml for git repo https://github.com/sivanbecker/pics_bckup written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sivanbecker/pics_bckup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 027949d8fb19adc46c153108d808b3a9a4d6747451767c70b3febb58dfd95388
[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" "027949d8fb19adc46c153108d808b3a9a4d6747451767c70b3febb58dfd95388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "027949d8fb19adc46c153108d808b3a9a4d6747451767c70b3febb58dfd95388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027949d8fb19adc46c153108d808b3a9a4d6747451767c70b3febb58dfd95388", kill_on_drop: false }`
[INFO] [stdout] 027949d8fb19adc46c153108d808b3a9a4d6747451767c70b3febb58dfd95388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4fd22b4dbe82395c561b36f2ead0a1bdb1f8fa51d00fa6004f805a339b12c4b
[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" "d4fd22b4dbe82395c561b36f2ead0a1bdb1f8fa51d00fa6004f805a339b12c4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling pics_bckup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*ve` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn recursive_walk(ve: &Vec<LocalDir>) -> &Vec<LocalDir> {
[INFO] [stdout]    |                       -------------- help: consider changing this to be a mutable reference: `&mut std::vec::Vec<LocalDir>`
[INFO] [stdout] ...
[INFO] [stdout] 54 |             ve.push(LocalDir {
[INFO] [stdout]    |             ^^ `ve` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `*ve` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/main.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn recursive_walk(ve: &Vec<LocalDir>) -> &Vec<LocalDir> {
[INFO] [stdout]    |                       -------------- help: consider changing this to be a mutable reference: `&mut std::vec::Vec<LocalDir>`
[INFO] [stdout] ...
[INFO] [stdout] 61 |             ve[1].sub_amount += 1;
[INFO] [stdout]    |             ^^ `ve` is a `&` reference, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pics_bckup`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d4fd22b4dbe82395c561b36f2ead0a1bdb1f8fa51d00fa6004f805a339b12c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fd22b4dbe82395c561b36f2ead0a1bdb1f8fa51d00fa6004f805a339b12c4b", kill_on_drop: false }`
[INFO] [stdout] d4fd22b4dbe82395c561b36f2ead0a1bdb1f8fa51d00fa6004f805a339b12c4b