[INFO] fetching crate comprehension 0.2.0...
[INFO] checking comprehension-0.2.0 against 47574b82ff3fe9b0a45ff65a4fe189e295ecb748 for pr-160780
[INFO] extracting crate comprehension 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate comprehension 0.2.0
[INFO] finished tweaking crates.io crate comprehension 0.2.0
[INFO] tweaked toml for crates.io crate comprehension 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate comprehension 0.2.0 on toolchain 47574b82ff3fe9b0a45ff65a4fe189e295ecb748
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47574b82ff3fe9b0a45ff65a4fe189e295ecb748" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47574b82ff3fe9b0a45ff65a4fe189e295ecb748" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to highest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v3.0.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47574b82ff3fe9b0a45ff65a4fe189e295ecb748" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 78c8c271718c8db302f5ec62c462bee191389b95d1d3826406cf795004fd2836
[INFO] running `Command { std: "docker" "start" "78c8c271718c8db302f5ec62c462bee191389b95d1d3826406cf795004fd2836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78c8c271718c8db302f5ec62c462bee191389b95d1d3826406cf795004fd2836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "78c8c271718c8db302f5ec62c462bee191389b95d1d3826406cf795004fd2836" "/opt/rustwide/cargo-home/bin/cargo" "+47574b82ff3fe9b0a45ff65a4fe189e295ecb748" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78c8c271718c8db302f5ec62c462bee191389b95d1d3826406cf795004fd2836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "78c8c271718c8db302f5ec62c462bee191389b95d1d3826406cf795004fd2836" "/opt/rustwide/cargo-home/bin/cargo" "+47574b82ff3fe9b0a45ff65a4fe189e295ecb748" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking comprehension v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "78c8c271718c8db302f5ec62c462bee191389b95d1d3826406cf795004fd2836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c8c271718c8db302f5ec62c462bee191389b95d1d3826406cf795004fd2836", kill_on_drop: false }`
[INFO] [stdout] 78c8c271718c8db302f5ec62c462bee191389b95d1d3826406cf795004fd2836
