[INFO] fetching crate ppc750cl-fuzz 0.1.0...
[INFO] checking ppc750cl-fuzz-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate ppc750cl-fuzz 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ppc750cl-fuzz 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 ppc750cl-fuzz 0.1.0
[INFO] finished tweaking crates.io crate ppc750cl-fuzz 0.1.0
[INFO] tweaked toml for crates.io crate ppc750cl-fuzz 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate ppc750cl-fuzz 0.1.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppc750cl-macros v0.1.0
[INFO] [stderr]   Downloaded ppc750cl v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 19076a6ab4eb13f646675ca0a1275fa84331a948be848f54f0b1882973b0462f
[INFO] running `Command { std: "docker" "start" "-a" "19076a6ab4eb13f646675ca0a1275fa84331a948be848f54f0b1882973b0462f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19076a6ab4eb13f646675ca0a1275fa84331a948be848f54f0b1882973b0462f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19076a6ab4eb13f646675ca0a1275fa84331a948be848f54f0b1882973b0462f", kill_on_drop: false }`
[INFO] [stdout] 19076a6ab4eb13f646675ca0a1275fa84331a948be848f54f0b1882973b0462f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b7fd0acdeb72a3f48b13b9bf3f75aec47f1a1832119f60e985f8535bfc53da86
[INFO] running `Command { std: "docker" "start" "-a" "b7fd0acdeb72a3f48b13b9bf3f75aec47f1a1832119f60e985f8535bfc53da86", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling ppc750cl-macros v0.1.0
[INFO] [stderr]     Checking ppc750cl v0.1.0
[INFO] [stderr]     Checking ppc750cl-fuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "b7fd0acdeb72a3f48b13b9bf3f75aec47f1a1832119f60e985f8535bfc53da86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fd0acdeb72a3f48b13b9bf3f75aec47f1a1832119f60e985f8535bfc53da86", kill_on_drop: false }`
[INFO] [stdout] b7fd0acdeb72a3f48b13b9bf3f75aec47f1a1832119f60e985f8535bfc53da86
[INFO] checking ppc750cl-fuzz-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate ppc750cl-fuzz 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ppc750cl-fuzz 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 ppc750cl-fuzz 0.1.0
[INFO] finished tweaking crates.io crate ppc750cl-fuzz 0.1.0
[INFO] tweaked toml for crates.io crate ppc750cl-fuzz 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate ppc750cl-fuzz 0.1.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0837c799e966dcd5d9f489151305d063738f734365df19fe03a05a0dbb1b887d
[INFO] running `Command { std: "docker" "start" "-a" "0837c799e966dcd5d9f489151305d063738f734365df19fe03a05a0dbb1b887d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0837c799e966dcd5d9f489151305d063738f734365df19fe03a05a0dbb1b887d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0837c799e966dcd5d9f489151305d063738f734365df19fe03a05a0dbb1b887d", kill_on_drop: false }`
[INFO] [stdout] 0837c799e966dcd5d9f489151305d063738f734365df19fe03a05a0dbb1b887d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6c372f6777465ce018c0bb2788b268d7311b17625de064143ea26dd6f83ef8d4
[INFO] running `Command { std: "docker" "start" "-a" "6c372f6777465ce018c0bb2788b268d7311b17625de064143ea26dd6f83ef8d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling ppc750cl-macros v0.1.0
[INFO] [stderr]     Checking ppc750cl v0.1.0
[INFO] [stderr]     Checking ppc750cl-fuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "6c372f6777465ce018c0bb2788b268d7311b17625de064143ea26dd6f83ef8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c372f6777465ce018c0bb2788b268d7311b17625de064143ea26dd6f83ef8d4", kill_on_drop: false }`
[INFO] [stdout] 6c372f6777465ce018c0bb2788b268d7311b17625de064143ea26dd6f83ef8d4