[INFO] fetching crate circle_boundary 0.1.19...
[INFO] checking circle_boundary-0.1.19 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate circle_boundary 0.1.19 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate circle_boundary 0.1.19 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate circle_boundary 0.1.19
[INFO] finished tweaking crates.io crate circle_boundary 0.1.19
[INFO] tweaked toml for crates.io crate circle_boundary 0.1.19 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate circle_boundary 0.1.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded serde_derive v1.0.99
[INFO] [stderr]   Downloaded bumpalo v2.6.0
[INFO] [stderr]   Downloaded syn v1.0.5
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded serde v1.0.99
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.50
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2face40a30afbbdb0c4427de72d2dc6044964c65ba502a05d6c0952dea1857cb
[INFO] running `Command { std: "docker" "start" "-a" "2face40a30afbbdb0c4427de72d2dc6044964c65ba502a05d6c0952dea1857cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2face40a30afbbdb0c4427de72d2dc6044964c65ba502a05d6c0952dea1857cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2face40a30afbbdb0c4427de72d2dc6044964c65ba502a05d6c0952dea1857cb", kill_on_drop: false }`
[INFO] [stdout] 2face40a30afbbdb0c4427de72d2dc6044964c65ba502a05d6c0952dea1857cb
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48060bdd20c919459c7694c0807a061178f60bb317e9d726559e1ca9b5ffdec8
[INFO] running `Command { std: "docker" "start" "-a" "48060bdd20c919459c7694c0807a061178f60bb317e9d726559e1ca9b5ffdec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.50
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.50
[INFO] [stderr]     Checking circle_boundary v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.50
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "48060bdd20c919459c7694c0807a061178f60bb317e9d726559e1ca9b5ffdec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48060bdd20c919459c7694c0807a061178f60bb317e9d726559e1ca9b5ffdec8", kill_on_drop: false }`
[INFO] [stdout] 48060bdd20c919459c7694c0807a061178f60bb317e9d726559e1ca9b5ffdec8
[INFO] checking circle_boundary-0.1.19 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate circle_boundary 0.1.19 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate circle_boundary 0.1.19 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate circle_boundary 0.1.19
[INFO] finished tweaking crates.io crate circle_boundary 0.1.19
[INFO] tweaked toml for crates.io crate circle_boundary 0.1.19 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate circle_boundary 0.1.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45dbbf40a01fcec4013001a19c497ff4f34430c703dda4538de8d44ce1d995e9
[INFO] running `Command { std: "docker" "start" "-a" "45dbbf40a01fcec4013001a19c497ff4f34430c703dda4538de8d44ce1d995e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45dbbf40a01fcec4013001a19c497ff4f34430c703dda4538de8d44ce1d995e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45dbbf40a01fcec4013001a19c497ff4f34430c703dda4538de8d44ce1d995e9", kill_on_drop: false }`
[INFO] [stdout] 45dbbf40a01fcec4013001a19c497ff4f34430c703dda4538de8d44ce1d995e9
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c51b116f06031d23ef14134a6924d9bd5deb5c65124c9ce656b95101e09d34f5
[INFO] running `Command { std: "docker" "start" "-a" "c51b116f06031d23ef14134a6924d9bd5deb5c65124c9ce656b95101e09d34f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.50
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.50
[INFO] [stderr]     Checking circle_boundary v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.25s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.50
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c51b116f06031d23ef14134a6924d9bd5deb5c65124c9ce656b95101e09d34f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51b116f06031d23ef14134a6924d9bd5deb5c65124c9ce656b95101e09d34f5", kill_on_drop: false }`
[INFO] [stdout] c51b116f06031d23ef14134a6924d9bd5deb5c65124c9ce656b95101e09d34f5