[INFO] fetching crate drux 0.7.8...
[INFO] checking drux-0.7.8 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate drux 0.7.8 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate drux 0.7.8 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drux 0.7.8
[INFO] finished tweaking crates.io crate drux 0.7.8
[INFO] tweaked toml for crates.io crate drux 0.7.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded directories v2.0.2
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[INFO] [stderr]   Downloaded libgit2-sys v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52c02f3bfbff36fb002126e1a2c457cce47b3de810cc32410101fb78316065f0
[INFO] running `Command { std: "docker" "start" "-a" "52c02f3bfbff36fb002126e1a2c457cce47b3de810cc32410101fb78316065f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52c02f3bfbff36fb002126e1a2c457cce47b3de810cc32410101fb78316065f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c02f3bfbff36fb002126e1a2c457cce47b3de810cc32410101fb78316065f0", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e01248e2b0e2baaf8fad70484fa75f65e3baa3c8c7b56c5c109d1421ccc1e1df
[INFO] running `Command { std: "docker" "start" "-a" "e01248e2b0e2baaf8fad70484fa75f65e3baa3c8c7b56c5c109d1421ccc1e1df", kill_on_drop: false }`
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[INFO] [stdout] warning: fields `version_downloads`, `versions`, `owners`, `owner_team`, `owner_user`, and `reverse_dependencies` are never read
[INFO] [stdout]    --> src/cargo_info.rs:370:5
[INFO] [stdout]     |
[INFO] [stdout] 369 | pub struct CrateLinks {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 370 |     version_downloads: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 371 |     versions: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 372 |     owners: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 373 |     owner_team: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 374 |     owner_user: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 375 |     reverse_dependencies: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CrateLinks` 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: fields `dependencies`, `version_downloads`, and `authors` are never read
[INFO] [stdout]    --> src/cargo_info.rs:381:5
[INFO] [stdout]     |
[INFO] [stdout] 380 | pub struct VersionLinks {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 381 |     dependencies: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 382 |     version_downloads: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 383 |     authors: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VersionLinks` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version_downloads`, `versions`, `owners`, `owner_team`, `owner_user`, and `reverse_dependencies` are never read
[INFO] [stdout]    --> src/cargo_info.rs:370:5
[INFO] [stdout]     |
[INFO] [stdout] 369 | pub struct CrateLinks {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 370 |     version_downloads: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 371 |     versions: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 372 |     owners: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 373 |     owner_team: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 374 |     owner_user: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 375 |     reverse_dependencies: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CrateLinks` 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: fields `dependencies`, `version_downloads`, and `authors` are never read
[INFO] [stdout]    --> src/cargo_info.rs:381:5
[INFO] [stdout]     |
[INFO] [stdout] 380 | pub struct VersionLinks {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 381 |     dependencies: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 382 |     version_downloads: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 383 |     authors: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VersionLinks` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.34s
[INFO] running `Command { std: "docker" "inspect" "e01248e2b0e2baaf8fad70484fa75f65e3baa3c8c7b56c5c109d1421ccc1e1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01248e2b0e2baaf8fad70484fa75f65e3baa3c8c7b56c5c109d1421ccc1e1df", kill_on_drop: false }`
[INFO] [stdout] e01248e2b0e2baaf8fad70484fa75f65e3baa3c8c7b56c5c109d1421ccc1e1df