[INFO] fetching crate assessment 1.0.0...
[INFO] checking assessment-1.0.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate assessment 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate assessment 1.0.0 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 assessment 1.0.0
[INFO] finished tweaking crates.io crate assessment 1.0.0
[INFO] tweaked toml for crates.io crate assessment 1.0.0 written to /workspace/builds/worker-6-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 impl_ops v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 10e62a91320e9b2dfda1a79b2ff6fa6ba4ef4008fc0e30e569d48efd20d1d381
[INFO] running `Command { std: "docker" "start" "-a" "10e62a91320e9b2dfda1a79b2ff6fa6ba4ef4008fc0e30e569d48efd20d1d381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10e62a91320e9b2dfda1a79b2ff6fa6ba4ef4008fc0e30e569d48efd20d1d381", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e62a91320e9b2dfda1a79b2ff6fa6ba4ef4008fc0e30e569d48efd20d1d381", kill_on_drop: false }`
[INFO] [stdout] 10e62a91320e9b2dfda1a79b2ff6fa6ba4ef4008fc0e30e569d48efd20d1d381
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 649c6ec54c8987c46cb76daf9fa2bcb4d08e9fddd5de57897b445263080d1dac
[INFO] running `Command { std: "docker" "start" "-a" "649c6ec54c8987c46cb76daf9fa2bcb4d08e9fddd5de57897b445263080d1dac", kill_on_drop: false }`
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]     Checking assessment v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `numeric::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use numeric::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `numeric::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use numeric::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `single::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use single::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `single::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use single::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `two_tuple::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use two_tuple::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `two_tuple::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use two_tuple::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings 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 0.24s
[INFO] running `Command { std: "docker" "inspect" "649c6ec54c8987c46cb76daf9fa2bcb4d08e9fddd5de57897b445263080d1dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649c6ec54c8987c46cb76daf9fa2bcb4d08e9fddd5de57897b445263080d1dac", kill_on_drop: false }`
[INFO] [stdout] 649c6ec54c8987c46cb76daf9fa2bcb4d08e9fddd5de57897b445263080d1dac
[INFO] checking assessment-1.0.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate assessment 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate assessment 1.0.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assessment 1.0.0
[INFO] finished tweaking crates.io crate assessment 1.0.0
[INFO] tweaked toml for crates.io crate assessment 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a9eedc5b029511547462ae45599f7c5ccf3995bad0bccad3ab138214264893b
[INFO] running `Command { std: "docker" "start" "-a" "7a9eedc5b029511547462ae45599f7c5ccf3995bad0bccad3ab138214264893b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a9eedc5b029511547462ae45599f7c5ccf3995bad0bccad3ab138214264893b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9eedc5b029511547462ae45599f7c5ccf3995bad0bccad3ab138214264893b", kill_on_drop: false }`
[INFO] [stdout] 7a9eedc5b029511547462ae45599f7c5ccf3995bad0bccad3ab138214264893b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec43967870bcb1faa52882f14c66980bdb05f5c22b15bf71382dcd1fbac6f38a
[INFO] running `Command { std: "docker" "start" "-a" "ec43967870bcb1faa52882f14c66980bdb05f5c22b15bf71382dcd1fbac6f38a", kill_on_drop: false }`
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]     Checking assessment v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `numeric::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use numeric::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `numeric::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use numeric::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `single::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use single::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `two_tuple::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use two_tuple::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `single::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use single::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `two_tuple::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use two_tuple::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "ec43967870bcb1faa52882f14c66980bdb05f5c22b15bf71382dcd1fbac6f38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec43967870bcb1faa52882f14c66980bdb05f5c22b15bf71382dcd1fbac6f38a", kill_on_drop: false }`
[INFO] [stdout] ec43967870bcb1faa52882f14c66980bdb05f5c22b15bf71382dcd1fbac6f38a
