[INFO] updating cached repository https://github.com/corporealshift/rust-changes
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e9b997744112e7d00290bc7f0e6bd87e22ea2ad
[INFO] checking corporealshift/rust-changes against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcorporealshift%2Frust-changes" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/corporealshift/rust-changes on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/corporealshift/rust-changes
[INFO] finished tweaking git repo https://github.com/corporealshift/rust-changes
[INFO] tweaked toml for git repo https://github.com/corporealshift/rust-changes written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/corporealshift/rust-changes already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] eb0ddce69d946958830b4dd25dc98a884f7bf6b2f728a9263bc5b4c442102e86
[INFO] running `"docker" "start" "-a" "eb0ddce69d946958830b4dd25dc98a884f7bf6b2f728a9263bc5b4c442102e86"`
[INFO] [stderr]    Compiling encoding_rs v0.8.12
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.15
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking mktemp v0.3.1
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking hyper v0.12.15
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking changeswr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `old_version`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let old_version = get_from_input("the current tag".to_string())?;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_old_version`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `displayName` should have a snake case name
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     displayName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `display_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `old_version`
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let old_version = get_from_input("the current tag".to_string())?;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_old_version`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `displayName` should have a snake case name
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     displayName: String,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `display_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `"docker" "inspect" "eb0ddce69d946958830b4dd25dc98a884f7bf6b2f728a9263bc5b4c442102e86"`
[INFO] running `"docker" "rm" "-f" "eb0ddce69d946958830b4dd25dc98a884f7bf6b2f728a9263bc5b4c442102e86"`
[INFO] [stdout] eb0ddce69d946958830b4dd25dc98a884f7bf6b2f728a9263bc5b4c442102e86