[INFO] fetching crate spartan-codec 0.1.0...
[INFO] checking spartan-codec-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate spartan-codec 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate spartan-codec 0.1.0 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 spartan-codec 0.1.0
[INFO] finished tweaking crates.io crate spartan-codec 0.1.0
[INFO] tweaked toml for crates.io crate spartan-codec 0.1.0 written to /workspace/builds/worker-6-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 28 packages
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 5a0f7c181651a430ec6c360c247867dcda35ddb57862d6e0b191441ba249e1e1
[INFO] running `Command { std: "docker" "start" "-a" "5a0f7c181651a430ec6c360c247867dcda35ddb57862d6e0b191441ba249e1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a0f7c181651a430ec6c360c247867dcda35ddb57862d6e0b191441ba249e1e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0f7c181651a430ec6c360c247867dcda35ddb57862d6e0b191441ba249e1e1", kill_on_drop: false }`
[INFO] [stdout] 5a0f7c181651a430ec6c360c247867dcda35ddb57862d6e0b191441ba249e1e1
[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] 2f3115673e006ed44b7d89feb632dba2f3bf21fdf227b5b5344beb72fe461470
[INFO] running `Command { std: "docker" "start" "-a" "2f3115673e006ed44b7d89feb632dba2f3bf21fdf227b5b5344beb72fe461470", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking rayon v1.10.0
[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 spartan-codec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 37s
[INFO] running `Command { std: "docker" "inspect" "2f3115673e006ed44b7d89feb632dba2f3bf21fdf227b5b5344beb72fe461470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3115673e006ed44b7d89feb632dba2f3bf21fdf227b5b5344beb72fe461470", kill_on_drop: false }`
[INFO] [stdout] 2f3115673e006ed44b7d89feb632dba2f3bf21fdf227b5b5344beb72fe461470
[INFO] checking spartan-codec-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate spartan-codec 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate spartan-codec 0.1.0 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 spartan-codec 0.1.0
[INFO] finished tweaking crates.io crate spartan-codec 0.1.0
[INFO] tweaked toml for crates.io crate spartan-codec 0.1.0 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages
[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" "+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] 502e3842073e431ab7687fc548b803047ee35d8d1d7cbd9500c8b23b6a35b7bf
[INFO] running `Command { std: "docker" "start" "-a" "502e3842073e431ab7687fc548b803047ee35d8d1d7cbd9500c8b23b6a35b7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "502e3842073e431ab7687fc548b803047ee35d8d1d7cbd9500c8b23b6a35b7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502e3842073e431ab7687fc548b803047ee35d8d1d7cbd9500c8b23b6a35b7bf", kill_on_drop: false }`
[INFO] [stdout] 502e3842073e431ab7687fc548b803047ee35d8d1d7cbd9500c8b23b6a35b7bf
[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] 1243e817cc38df99384b6f624f3bcb1a623aa840f92cf874b397293335247ca2
[INFO] running `Command { std: "docker" "start" "-a" "1243e817cc38df99384b6f624f3bcb1a623aa840f92cf874b397293335247ca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking rayon v1.10.0
[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 spartan-codec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 12s
[INFO] running `Command { std: "docker" "inspect" "1243e817cc38df99384b6f624f3bcb1a623aa840f92cf874b397293335247ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1243e817cc38df99384b6f624f3bcb1a623aa840f92cf874b397293335247ca2", kill_on_drop: false }`
[INFO] [stdout] 1243e817cc38df99384b6f624f3bcb1a623aa840f92cf874b397293335247ca2