[INFO] fetching crate iza 0.1.0...
[INFO] checking iza-0.1.0 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate iza 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate iza 0.1.0 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iza 0.1.0
[INFO] finished tweaking crates.io crate iza 0.1.0
[INFO] tweaked toml for crates.io crate iza 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08fb426366644f4046b2fb76edab4614304cba10c5c0f1f340607e372d9925f9
[INFO] running `Command { std: "docker" "start" "-a" "08fb426366644f4046b2fb76edab4614304cba10c5c0f1f340607e372d9925f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08fb426366644f4046b2fb76edab4614304cba10c5c0f1f340607e372d9925f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08fb426366644f4046b2fb76edab4614304cba10c5c0f1f340607e372d9925f9", kill_on_drop: false }`
[INFO] [stdout] 08fb426366644f4046b2fb76edab4614304cba10c5c0f1f340607e372d9925f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a9f5cb8c3f7ec557a526ae9bef3c98685f2a3452859ae59c8350642909eb73f
[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" "6a9f5cb8c3f7ec557a526ae9bef3c98685f2a3452859ae59c8350642909eb73f", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking iza v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/package.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     name: PackageName,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id_string`
[INFO] [stdout]  --> src/package/command_id.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     id_string: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_string`
[INFO] [stdout]  --> src/package/package_name.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name_string: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/resource.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     id: ExecutorID,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `execution_function`
[INFO] [stdout]  --> src/resource/execution.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     execution_function: F,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/package.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     name: PackageName,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id_string`
[INFO] [stdout]  --> src/package/command_id.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     id_string: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_string`
[INFO] [stdout]  --> src/package/package_name.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name_string: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/resource.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     id: ExecutorID,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `execution_function`
[INFO] [stdout]  --> src/resource/execution.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     execution_function: F,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.74s
[INFO] running `Command { std: "docker" "inspect" "6a9f5cb8c3f7ec557a526ae9bef3c98685f2a3452859ae59c8350642909eb73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9f5cb8c3f7ec557a526ae9bef3c98685f2a3452859ae59c8350642909eb73f", kill_on_drop: false }`
[INFO] [stdout] 6a9f5cb8c3f7ec557a526ae9bef3c98685f2a3452859ae59c8350642909eb73f