[INFO] updating cached repository https://github.com/towa48/rust-libre-storage
[INFO] running `"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"`
[INFO] [stderr] From https://github.com/towa48/rust-libre-storage
[INFO] [stderr]    b324bc7..ad16de1  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad16de185bcd2c6d782036193189cbc9cbfa42e8
[INFO] checking towa48/rust-libre-storage against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftowa48%2Frust-libre-storage" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/towa48/rust-libre-storage on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/towa48/rust-libre-storage
[INFO] finished tweaking git repo https://github.com/towa48/rust-libre-storage
[INFO] tweaked toml for git repo https://github.com/towa48/rust-libre-storage written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/towa48/rust-libre-storage already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 939a56010acc845d01c8169c7997ef0846fdac0bfcc44badaa3893e45a6f993f
[INFO] running `"docker" "start" "-a" "939a56010acc845d01c8169c7997ef0846fdac0bfcc44badaa3893e45a6f993f"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling rocket_codegen v0.4.4
[INFO] [stderr]    Compiling rocket v0.4.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking cookie v0.11.2
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]    Compiling rocket_http v0.4.4
[INFO] [stderr]     Checking diesel v1.4.3
[INFO] [stderr]     Checking rocket_contrib v0.4.4
[INFO] [stderr]     Checking rust-libre-storage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0515]: cannot return value referencing function parameter `value`
[INFO] [stderr]   --> src/crypto.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let bytes = &value.as_bytes();
[INFO] [stderr]    |                      ----- `value` is borrowed here
[INFO] [stderr] 42 |         return str::from_utf8_unchecked(&bytes.to_owned());
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ returns a value referencing data owned by the current function
[INFO] [stderr] 
[INFO] [stderr] error[E0515]: cannot return value referencing function parameter `value`
[INFO] [stderr]   --> src/crypto.rs:42:16
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let bytes = &value.as_bytes();
[INFO] [stderr]    |                      ----- `value` is borrowed here
[INFO] [stderr] 42 |         return str::from_utf8_unchecked(&bytes.to_owned());
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ returns a value referencing data owned by the current function
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0515`.
[INFO] [stderr] error: could not compile `rust-libre-storage`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0515`.
[INFO] [stderr] error: could not compile `rust-libre-storage`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "939a56010acc845d01c8169c7997ef0846fdac0bfcc44badaa3893e45a6f993f"`
[INFO] running `"docker" "rm" "-f" "939a56010acc845d01c8169c7997ef0846fdac0bfcc44badaa3893e45a6f993f"`
[INFO] [stdout] 939a56010acc845d01c8169c7997ef0846fdac0bfcc44badaa3893e45a6f993f