[INFO] fetching crate object 0.32.1...
[INFO] checking object-0.32.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate object 0.32.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate object 0.32.1 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 object 0.32.1
[INFO] finished tweaking crates.io crate object 0.32.1
[INFO] tweaked toml for crates.io crate object 0.32.1 written to /workspace/builds/worker-3-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 30 packages
[INFO] [stderr]       Adding ruzstd v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding wasmparser v0.110.0 (latest: v0.202.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-std-workspace-alloc v1.0.0
[INFO] [stderr]   Downloaded rustc-std-workspace-core v1.0.0
[INFO] [stderr]   Downloaded compiler_builtins v0.1.108
[INFO] [stderr]   Downloaded wasmparser v0.110.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3f366c4d225b8578a1c5cc84309613d17d66dbc0f4001f93a5a72e9b5533c520
[INFO] running `Command { std: "docker" "start" "-a" "3f366c4d225b8578a1c5cc84309613d17d66dbc0f4001f93a5a72e9b5533c520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f366c4d225b8578a1c5cc84309613d17d66dbc0f4001f93a5a72e9b5533c520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f366c4d225b8578a1c5cc84309613d17d66dbc0f4001f93a5a72e9b5533c520", kill_on_drop: false }`
[INFO] [stdout] 3f366c4d225b8578a1c5cc84309613d17d66dbc0f4001f93a5a72e9b5533c520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a1a3964600d4fa369e48a443adc41120b76a6fe084462d7b8eea6cd48cea4f6d
[INFO] running `Command { std: "docker" "start" "-a" "a1a3964600d4fa369e48a443adc41120b76a6fe084462d7b8eea6cd48cea4f6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-core v1.0.50
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling thiserror-core-impl v1.0.50
[INFO] [stderr]     Checking ruzstd v0.4.0
[INFO] [stderr]     Checking object v0.32.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "a1a3964600d4fa369e48a443adc41120b76a6fe084462d7b8eea6cd48cea4f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a3964600d4fa369e48a443adc41120b76a6fe084462d7b8eea6cd48cea4f6d", kill_on_drop: false }`
[INFO] [stdout] a1a3964600d4fa369e48a443adc41120b76a6fe084462d7b8eea6cd48cea4f6d
[INFO] checking object-0.32.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate object 0.32.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate object 0.32.1 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 object 0.32.1
[INFO] finished tweaking crates.io crate object 0.32.1
[INFO] tweaked toml for crates.io crate object 0.32.1 written to /workspace/builds/worker-3-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 30 packages
[INFO] [stderr]       Adding ruzstd v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding wasmparser v0.110.0 (latest: v0.202.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d03ebe23c814c84ccd74f0267341654cdbb69d5f843fa4012ff1dda8b2fa2b09
[INFO] running `Command { std: "docker" "start" "-a" "d03ebe23c814c84ccd74f0267341654cdbb69d5f843fa4012ff1dda8b2fa2b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d03ebe23c814c84ccd74f0267341654cdbb69d5f843fa4012ff1dda8b2fa2b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03ebe23c814c84ccd74f0267341654cdbb69d5f843fa4012ff1dda8b2fa2b09", kill_on_drop: false }`
[INFO] [stdout] d03ebe23c814c84ccd74f0267341654cdbb69d5f843fa4012ff1dda8b2fa2b09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1bd5e5247fae23dad8ec855e6c7b42e0c0db66540d5ea9a75ce467cb9eb244d6
[INFO] running `Command { std: "docker" "start" "-a" "1bd5e5247fae23dad8ec855e6c7b42e0c0db66540d5ea9a75ce467cb9eb244d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-core v1.0.50
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]    Compiling thiserror-core-impl v1.0.50
[INFO] [stderr]     Checking ruzstd v0.4.0
[INFO] [stderr]     Checking object v0.32.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "1bd5e5247fae23dad8ec855e6c7b42e0c0db66540d5ea9a75ce467cb9eb244d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd5e5247fae23dad8ec855e6c7b42e0c0db66540d5ea9a75ce467cb9eb244d6", kill_on_drop: false }`
[INFO] [stdout] 1bd5e5247fae23dad8ec855e6c7b42e0c0db66540d5ea9a75ce467cb9eb244d6