[INFO] fetching crate chalk-rust-ir 0.10.0...
[INFO] checking chalk-rust-ir-0.10.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate chalk-rust-ir 0.10.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate chalk-rust-ir 0.10.0 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 chalk-rust-ir 0.10.0
[INFO] finished tweaking crates.io crate chalk-rust-ir 0.10.0
[INFO] tweaked toml for crates.io crate chalk-rust-ir 0.10.0 written to /workspace/builds/worker-0-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 13 packages
[INFO] [stderr]       Adding chalk-derive v0.10.0 (latest: v0.96.0)
[INFO] [stderr]       Adding chalk-engine v0.10.0 (latest: v0.96.0)
[INFO] [stderr]       Adding chalk-ir v0.10.0 (latest: v0.96.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chalk-derive v0.10.0
[INFO] [stderr]   Downloaded chalk-macros v0.10.0
[INFO] [stderr]   Downloaded chalk-engine v0.10.0
[INFO] [stderr]   Downloaded chalk-ir v0.10.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d0180ac1ca97455af6d5545e27429ae47dd5229782e00c72d92aee5d8ff72ca
[INFO] running `Command { std: "docker" "start" "-a" "3d0180ac1ca97455af6d5545e27429ae47dd5229782e00c72d92aee5d8ff72ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d0180ac1ca97455af6d5545e27429ae47dd5229782e00c72d92aee5d8ff72ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0180ac1ca97455af6d5545e27429ae47dd5229782e00c72d92aee5d8ff72ca", kill_on_drop: false }`
[INFO] [stdout] 3d0180ac1ca97455af6d5545e27429ae47dd5229782e00c72d92aee5d8ff72ca
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df2c4e7f0dc5b1675e2943bc9745802bb07e9aff24f3374f8b87f1ba281e431f
[INFO] running `Command { std: "docker" "start" "-a" "df2c4e7f0dc5b1675e2943bc9745802bb07e9aff24f3374f8b87f1ba281e431f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking chalk-macros v0.10.0
[INFO] [stderr]     Checking chalk-engine v0.10.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling chalk-derive v0.10.0
[INFO] [stderr]     Checking chalk-ir v0.10.0
[INFO] [stderr]     Checking chalk-rust-ir v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "df2c4e7f0dc5b1675e2943bc9745802bb07e9aff24f3374f8b87f1ba281e431f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2c4e7f0dc5b1675e2943bc9745802bb07e9aff24f3374f8b87f1ba281e431f", kill_on_drop: false }`
[INFO] [stdout] df2c4e7f0dc5b1675e2943bc9745802bb07e9aff24f3374f8b87f1ba281e431f