[INFO] fetching crate mutils 12.5.0...
[INFO] checking mutils-12.5.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate mutils 12.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mutils 12.5.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mutils 12.5.0
[INFO] finished tweaking crates.io crate mutils 12.5.0
[INFO] tweaked toml for crates.io crate mutils 12.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded testcat v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10826463d3f11ebd49e37bd3d493dcfbe96be01761a3892bb3ee9c46a8e0ddf6
[INFO] running `Command { std: "docker" "start" "-a" "10826463d3f11ebd49e37bd3d493dcfbe96be01761a3892bb3ee9c46a8e0ddf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10826463d3f11ebd49e37bd3d493dcfbe96be01761a3892bb3ee9c46a8e0ddf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10826463d3f11ebd49e37bd3d493dcfbe96be01761a3892bb3ee9c46a8e0ddf6", kill_on_drop: false }`
[INFO] [stdout] 10826463d3f11ebd49e37bd3d493dcfbe96be01761a3892bb3ee9c46a8e0ddf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03220b8b0b3a4545dd2f35bb41e3ada4c2d3f453710ac998d2ab25019e586ad7
[INFO] running `Command { std: "docker" "start" "-a" "03220b8b0b3a4545dd2f35bb41e3ada4c2d3f453710ac998d2ab25019e586ad7", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling testcat v2.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking mutils v12.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(private_in_public)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(private_in_public)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `CurvePoint` is never constructed
[INFO] [stdout]   --> src/geom/curves/b_curve.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct CurvePoint(pub Line);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | #![deny(dead_code)]
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mutils` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `CurvePoint` is never constructed
[INFO] [stdout]   --> src/geom/curves/b_curve.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct CurvePoint(pub Line);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | #![deny(dead_code)]
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mutils` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "03220b8b0b3a4545dd2f35bb41e3ada4c2d3f453710ac998d2ab25019e586ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03220b8b0b3a4545dd2f35bb41e3ada4c2d3f453710ac998d2ab25019e586ad7", kill_on_drop: false }`
[INFO] [stdout] 03220b8b0b3a4545dd2f35bb41e3ada4c2d3f453710ac998d2ab25019e586ad7