[INFO] cloning repository https://github.com/CleverCloud/cellar-c1-migration-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CleverCloud/cellar-c1-migration-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCleverCloud%2Fcellar-c1-migration-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCleverCloud%2Fcellar-c1-migration-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0da5075765f71045ae77d574d155c1f164e90d1d
[INFO] checking CleverCloud/cellar-c1-migration-tool/0da5075765f71045ae77d574d155c1f164e90d1d against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCleverCloud%2Fcellar-c1-migration-tool" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CleverCloud/cellar-c1-migration-tool on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CleverCloud/cellar-c1-migration-tool
[INFO] finished tweaking git repo https://github.com/CleverCloud/cellar-c1-migration-tool
[INFO] tweaked toml for git repo https://github.com/CleverCloud/cellar-c1-migration-tool written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CleverCloud/cellar-c1-migration-tool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "8c542880877f322f8ef30d1ebaa7f6dbbc7f7dba199e0fea2e17cddad0d28da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c542880877f322f8ef30d1ebaa7f6dbbc7f7dba199e0fea2e17cddad0d28da5", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `bucket` and `synchronization_time` are never read
[INFO] [stdout]   --> src/migrate.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct BucketMigrationStats {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 22 |     pub bucket: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 23 |     pub synchronization_time: Duration,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BucketMigrationStats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_keys` is never read
[INFO] [stdout]   --> src/migrate.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct BucketMigrationConfiguration {
[INFO] [stdout]    |            ---------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub max_keys: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BucketMigrationConfiguration` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code`, `message`, and `object` are never read
[INFO] [stdout]    --> src/radosgw/uploader.rs:421:9
[INFO] [stdout]     |
[INFO] [stdout] 420 | pub struct DownloadError {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 421 |     pub code: u16,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 422 |     pub message: Option<String>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 423 |     pub object: ProviderObject,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DownloadError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bucket` and `synchronization_time` are never read
[INFO] [stdout]   --> src/migrate.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct BucketMigrationStats {
[INFO] [stdout]    |            -------------------- fields in this struct
[INFO] [stdout] 22 |     pub bucket: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 23 |     pub synchronization_time: Duration,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BucketMigrationStats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_keys` is never read
[INFO] [stdout]   --> src/migrate.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct BucketMigrationConfiguration {
[INFO] [stdout]    |            ---------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub max_keys: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BucketMigrationConfiguration` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `code`, `message`, and `object` are never read
[INFO] [stdout]    --> src/radosgw/uploader.rs:421:9
[INFO] [stdout]     |
[INFO] [stdout] 420 | pub struct DownloadError {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 421 |     pub code: u16,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 422 |     pub message: Option<String>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 423 |     pub object: ProviderObject,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DownloadError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "abd3731585ea69bed31dfb3a3a642b7c3418334d7189ac276d95c64a881053ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd3731585ea69bed31dfb3a3a642b7c3418334d7189ac276d95c64a881053ef", kill_on_drop: false }`
[INFO] [stdout] abd3731585ea69bed31dfb3a3a642b7c3418334d7189ac276d95c64a881053ef