[INFO] fetching crate math_paper 0.3.5...
[INFO] checking math_paper-0.3.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate math_paper 0.3.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate math_paper 0.3.5 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate math_paper 0.3.5
[INFO] finished tweaking crates.io crate math_paper 0.3.5
[INFO] tweaked toml for crates.io crate math_paper 0.3.5 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages
[INFO] [stderr]       Adding jni v0.19.0 (latest: v0.21.1)
[INFO] [stderr]       Adding jni-sys v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ff02c74065a1e9481de1f1336708d6a74c261c1a3586b40634f39c28005fe95
[INFO] running `Command { std: "docker" "start" "-a" "4ff02c74065a1e9481de1f1336708d6a74c261c1a3586b40634f39c28005fe95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ff02c74065a1e9481de1f1336708d6a74c261c1a3586b40634f39c28005fe95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff02c74065a1e9481de1f1336708d6a74c261c1a3586b40634f39c28005fe95", kill_on_drop: false }`
[INFO] [stdout] 4ff02c74065a1e9481de1f1336708d6a74c261c1a3586b40634f39c28005fe95
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b250c6f1c2c09375e66ebe4daa1bcf7cfcf141cbd3791a50868171aabaf00ed
[INFO] running `Command { std: "docker" "start" "-a" "0b250c6f1c2c09375e66ebe4daa1bcf7cfcf141cbd3791a50868171aabaf00ed", kill_on_drop: false }`
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling jni v0.19.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking math_paper v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "0b250c6f1c2c09375e66ebe4daa1bcf7cfcf141cbd3791a50868171aabaf00ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b250c6f1c2c09375e66ebe4daa1bcf7cfcf141cbd3791a50868171aabaf00ed", kill_on_drop: false }`
[INFO] [stdout] 0b250c6f1c2c09375e66ebe4daa1bcf7cfcf141cbd3791a50868171aabaf00ed