[INFO] fetching crate nt-primes 0.1.1...
[INFO] checking nt-primes-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate nt-primes 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate nt-primes 0.1.1 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 nt-primes 0.1.1
[INFO] finished tweaking crates.io crate nt-primes 0.1.1
[INFO] tweaked toml for crates.io crate nt-primes 0.1.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages
[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 number-theory v0.0.24
[INFO] [stderr]   Downloaded machine-prime v1.2.2
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be1b2d7c6861033d27135d12cdc11577f50831efc69d7c40d37737aaf75c5aec
[INFO] running `Command { std: "docker" "start" "-a" "be1b2d7c6861033d27135d12cdc11577f50831efc69d7c40d37737aaf75c5aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be1b2d7c6861033d27135d12cdc11577f50831efc69d7c40d37737aaf75c5aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1b2d7c6861033d27135d12cdc11577f50831efc69d7c40d37737aaf75c5aec", kill_on_drop: false }`
[INFO] [stdout] be1b2d7c6861033d27135d12cdc11577f50831efc69d7c40d37737aaf75c5aec
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dadc034e2549d9a64a85763a594c7d94594af26b62d1d541063df5a8b9b09c18
[INFO] running `Command { std: "docker" "start" "-a" "dadc034e2549d9a64a85763a594c7d94594af26b62d1d541063df5a8b9b09c18", kill_on_drop: false }`
[INFO] [stderr]     Checking machine-prime v1.2.2
[INFO] [stderr]     Checking number-theory v0.0.24
[INFO] [stderr]     Checking nt-primes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "dadc034e2549d9a64a85763a594c7d94594af26b62d1d541063df5a8b9b09c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dadc034e2549d9a64a85763a594c7d94594af26b62d1d541063df5a8b9b09c18", kill_on_drop: false }`
[INFO] [stdout] dadc034e2549d9a64a85763a594c7d94594af26b62d1d541063df5a8b9b09c18
[INFO] checking nt-primes-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate nt-primes 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate nt-primes 0.1.1 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 nt-primes 0.1.1
[INFO] finished tweaking crates.io crate nt-primes 0.1.1
[INFO] tweaked toml for crates.io crate nt-primes 0.1.1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages
[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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4d00fdac826759c0a6912e52f1c7f7504b7d5127b2e02d47d4eee8dec0c3faf
[INFO] running `Command { std: "docker" "start" "-a" "c4d00fdac826759c0a6912e52f1c7f7504b7d5127b2e02d47d4eee8dec0c3faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d00fdac826759c0a6912e52f1c7f7504b7d5127b2e02d47d4eee8dec0c3faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d00fdac826759c0a6912e52f1c7f7504b7d5127b2e02d47d4eee8dec0c3faf", kill_on_drop: false }`
[INFO] [stdout] c4d00fdac826759c0a6912e52f1c7f7504b7d5127b2e02d47d4eee8dec0c3faf
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5321e03572098242ec7755e47c9ae2155031c1d6ee723e1975147d0b99d824c
[INFO] running `Command { std: "docker" "start" "-a" "e5321e03572098242ec7755e47c9ae2155031c1d6ee723e1975147d0b99d824c", kill_on_drop: false }`
[INFO] [stderr]     Checking machine-prime v1.2.2
[INFO] [stderr]     Checking number-theory v0.0.24
[INFO] [stderr]     Checking nt-primes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "e5321e03572098242ec7755e47c9ae2155031c1d6ee723e1975147d0b99d824c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5321e03572098242ec7755e47c9ae2155031c1d6ee723e1975147d0b99d824c", kill_on_drop: false }`
[INFO] [stdout] e5321e03572098242ec7755e47c9ae2155031c1d6ee723e1975147d0b99d824c