[INFO] fetching crate attribution 0.5.0...
[INFO] checking attribution-0.5.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate attribution 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate attribution 0.5.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate attribution 0.5.0
[INFO] finished tweaking crates.io crate attribution 0.5.0
[INFO] tweaked toml for crates.io crate attribution 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded attribution-macros v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 632904519d1f51ca3478a258d8ca66171a5526173db2455d890bd3e0195063eb
[INFO] running `Command { std: "docker" "start" "-a" "632904519d1f51ca3478a258d8ca66171a5526173db2455d890bd3e0195063eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632904519d1f51ca3478a258d8ca66171a5526173db2455d890bd3e0195063eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632904519d1f51ca3478a258d8ca66171a5526173db2455d890bd3e0195063eb", kill_on_drop: false }`
[INFO] [stdout] 632904519d1f51ca3478a258d8ca66171a5526173db2455d890bd3e0195063eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2e9ad9bf2702396e9fe0712ef541ed3ba20bb4d6ff2d1f2a66c264fe8f989e6
[INFO] running `Command { std: "docker" "start" "-a" "b2e9ad9bf2702396e9fe0712ef541ed3ba20bb4d6ff2d1f2a66c264fe8f989e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling attribution-macros v0.5.0
[INFO] [stderr]     Checking attribution v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::values::TryIntoParamValError`
[INFO] [stdout]  --> src/params.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::values::TryIntoParamValError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Parameters` is imported redundantly
[INFO] [stdout]    --> src/conversion.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     use super::*;
[INFO] [stdout]     |         -------- the item `Parameters` is already imported here
[INFO] [stdout] 115 |     use crate::Parameters;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/params/values/convert/try_from.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     use super::*;
[INFO] [stdout]    |         -------- the item `TryInto` is already imported here
[INFO] [stdout] 82 |     use core::convert::TryInto;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::values::TryIntoParamValError`
[INFO] [stdout]  --> src/params.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use self::values::TryIntoParamValError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "b2e9ad9bf2702396e9fe0712ef541ed3ba20bb4d6ff2d1f2a66c264fe8f989e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e9ad9bf2702396e9fe0712ef541ed3ba20bb4d6ff2d1f2a66c264fe8f989e6", kill_on_drop: false }`
[INFO] [stdout] b2e9ad9bf2702396e9fe0712ef541ed3ba20bb4d6ff2d1f2a66c264fe8f989e6
