[INFO] fetching crate elfy 0.2.2...
[INFO] checking elfy-0.2.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate elfy 0.2.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate elfy 0.2.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elfy 0.2.2
[INFO] finished tweaking crates.io crate elfy 0.2.2
[INFO] tweaked toml for crates.io crate elfy 0.2.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 579df34bb3a28c9eb0473ac205d370ba4bd53affb3118a6a05e8b2a332c21351
[INFO] running `Command { std: "docker" "start" "-a" "579df34bb3a28c9eb0473ac205d370ba4bd53affb3118a6a05e8b2a332c21351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "579df34bb3a28c9eb0473ac205d370ba4bd53affb3118a6a05e8b2a332c21351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "579df34bb3a28c9eb0473ac205d370ba4bd53affb3118a6a05e8b2a332c21351", kill_on_drop: false }`
[INFO] [stdout] 579df34bb3a28c9eb0473ac205d370ba4bd53affb3118a6a05e8b2a332c21351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 19f45d3be1a8fe721adb9d40726180bc5e80bbfd86db653e9655bcc09310c15b
[INFO] running `Command { std: "docker" "start" "-a" "19f45d3be1a8fe721adb9d40726180bc5e80bbfd86db653e9655bcc09310c15b", kill_on_drop: false }`
[INFO] [stderr]     Checking elfy v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `ident`
[INFO] [stdout]   --> src/types.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ident: Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]   --> src/types.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     version: Version,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flags`
[INFO] [stdout]   --> src/types.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     flags: Flags,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ehsize`
[INFO] [stdout]   --> src/types.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     ehsize: Short,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `phentsize`
[INFO] [stdout]   --> src/types.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     phentsize: Short,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shentsize`
[INFO] [stdout]   --> src/types.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     shentsize: Short,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `magic`
[INFO] [stdout]    --> src/types.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     magic: Magic,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]    --> src/types.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     version: IdentVersion,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `os_abi`
[INFO] [stdout]    --> src/types.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     os_abi: OsAbi,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `abi_ver`
[INFO] [stdout]    --> src/types.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     abi_ver: AbiVersion,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_index`
[INFO] [stdout]    --> src/types.rs:398:5
[INFO] [stdout]     |
[INFO] [stdout] 398 |     name_index: Size,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `link`
[INFO] [stdout]    --> src/types.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 404 |     link: Word,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flags`
[INFO] [stdout]   --> src/types.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     flags: Flags,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]    --> src/types.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     version: IdentVersion,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_index`
[INFO] [stdout]    --> src/types.rs:398:5
[INFO] [stdout]     |
[INFO] [stdout] 398 |     name_index: Size,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `link`
[INFO] [stdout]    --> src/types.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 404 |     link: Word,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "19f45d3be1a8fe721adb9d40726180bc5e80bbfd86db653e9655bcc09310c15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f45d3be1a8fe721adb9d40726180bc5e80bbfd86db653e9655bcc09310c15b", kill_on_drop: false }`
[INFO] [stdout] 19f45d3be1a8fe721adb9d40726180bc5e80bbfd86db653e9655bcc09310c15b