[INFO] fetching crate bezier2 0.2.0...
[INFO] checking bezier2-0.2.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bezier2 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bezier2 0.2.0 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 bezier2 0.2.0
[INFO] finished tweaking crates.io crate bezier2 0.2.0
[INFO] tweaked toml for crates.io crate bezier2 0.2.0 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] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cast_trait v0.1.2
[INFO] [stderr]   Downloaded vec3 v0.2.1
[INFO] [stderr]   Downloaded vec2 v0.2.1
[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] 1dede491a5250739d5f60cedfbded1ac8c181f8073d05bcffb3f1f35ca81d485
[INFO] running `Command { std: "docker" "start" "-a" "1dede491a5250739d5f60cedfbded1ac8c181f8073d05bcffb3f1f35ca81d485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dede491a5250739d5f60cedfbded1ac8c181f8073d05bcffb3f1f35ca81d485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dede491a5250739d5f60cedfbded1ac8c181f8073d05bcffb3f1f35ca81d485", kill_on_drop: false }`
[INFO] [stdout] 1dede491a5250739d5f60cedfbded1ac8c181f8073d05bcffb3f1f35ca81d485
[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] 326c6c7353ea4647897ffd59d3071aa16c702a8cbd7d1f8b6507df24ff4bb4b9
[INFO] running `Command { std: "docker" "start" "-a" "326c6c7353ea4647897ffd59d3071aa16c702a8cbd7d1f8b6507df24ff4bb4b9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Checking cast_trait v0.1.2
[INFO] [stderr]     Checking vec3 v0.2.1
[INFO] [stderr]     Checking vec2 v0.2.1
[INFO] [stderr]     Checking bezier2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/cubic.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/cubic.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/linear.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/linear.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/n.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/n.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/quadratic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/quadratic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "326c6c7353ea4647897ffd59d3071aa16c702a8cbd7d1f8b6507df24ff4bb4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326c6c7353ea4647897ffd59d3071aa16c702a8cbd7d1f8b6507df24ff4bb4b9", kill_on_drop: false }`
[INFO] [stdout] 326c6c7353ea4647897ffd59d3071aa16c702a8cbd7d1f8b6507df24ff4bb4b9
[INFO] checking bezier2-0.2.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate bezier2 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate bezier2 0.2.0 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 bezier2 0.2.0
[INFO] finished tweaking crates.io crate bezier2 0.2.0
[INFO] tweaked toml for crates.io crate bezier2 0.2.0 written to /workspace/builds/worker-1-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] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 71ead638b2932ffc35ff44dd09db1f3c2043eed364992a0f123498dd59594909
[INFO] running `Command { std: "docker" "start" "-a" "71ead638b2932ffc35ff44dd09db1f3c2043eed364992a0f123498dd59594909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71ead638b2932ffc35ff44dd09db1f3c2043eed364992a0f123498dd59594909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ead638b2932ffc35ff44dd09db1f3c2043eed364992a0f123498dd59594909", kill_on_drop: false }`
[INFO] [stdout] 71ead638b2932ffc35ff44dd09db1f3c2043eed364992a0f123498dd59594909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8b1120479d15194655772194727c4a63ec68fa5d45ee36a14a0c23097a7f173b
[INFO] running `Command { std: "docker" "start" "-a" "8b1120479d15194655772194727c4a63ec68fa5d45ee36a14a0c23097a7f173b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]     Checking cast_trait v0.1.2
[INFO] [stderr]     Checking vec3 v0.2.1
[INFO] [stderr]     Checking vec2 v0.2.1
[INFO] [stderr]     Checking bezier2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/cubic.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/linear.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/n.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/quadratic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/cubic.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/linear.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/n.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec2` is imported redundantly
[INFO] [stdout]  --> src/quadratic.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use vec2;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate vec2;
[INFO] [stdout]   | ------------------ the item `vec2` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "8b1120479d15194655772194727c4a63ec68fa5d45ee36a14a0c23097a7f173b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1120479d15194655772194727c4a63ec68fa5d45ee36a14a0c23097a7f173b", kill_on_drop: false }`
[INFO] [stdout] 8b1120479d15194655772194727c4a63ec68fa5d45ee36a14a0c23097a7f173b
