[INFO] fetching crate rbenchmark 0.1.0...
[INFO] checking rbenchmark-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rbenchmark 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rbenchmark 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 rbenchmark 0.1.0
[INFO] finished tweaking crates.io crate rbenchmark 0.1.0
[INFO] tweaked toml for crates.io crate rbenchmark 0.1.0 written to /workspace/builds/worker-4-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 44 packages
[INFO] [stderr]       Adding byte-unit v4.0.19 (latest: v5.1.4)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding sqlite v0.30.5 (latest: v0.34.0)
[INFO] [stderr]       Adding sqlite3-src v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding sqlite3-sys v0.15.2 (latest: v0.16.0)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lzma-rs v0.3.0
[INFO] [stderr]   Downloaded sqlite3-sys v0.15.2
[INFO] [stderr]   Downloaded sqlite v0.30.5
[INFO] [stderr]   Downloaded sqlite3-src v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 44abbbd4bd53025b95e9c054e7bb006e6bdcc595a99f77efa83da2578d92d45d
[INFO] running `Command { std: "docker" "start" "-a" "44abbbd4bd53025b95e9c054e7bb006e6bdcc595a99f77efa83da2578d92d45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44abbbd4bd53025b95e9c054e7bb006e6bdcc595a99f77efa83da2578d92d45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44abbbd4bd53025b95e9c054e7bb006e6bdcc595a99f77efa83da2578d92d45d", kill_on_drop: false }`
[INFO] [stdout] 44abbbd4bd53025b95e9c054e7bb006e6bdcc595a99f77efa83da2578d92d45d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8b759f13c90e27195e6c05e50fbedf67d1ed0c6199b15e22bc14868b53420f0f
[INFO] running `Command { std: "docker" "start" "-a" "8b759f13c90e27195e6c05e50fbedf67d1ed0c6199b15e22bc14868b53420f0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]    Compiling sqlite3-src v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]     Checking lzma-rs v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking sqlite3-sys v0.15.2
[INFO] [stderr]     Checking sqlite v0.30.5
[INFO] [stderr]     Checking byte-unit v4.0.19
[INFO] [stderr]     Checking rbenchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "8b759f13c90e27195e6c05e50fbedf67d1ed0c6199b15e22bc14868b53420f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b759f13c90e27195e6c05e50fbedf67d1ed0c6199b15e22bc14868b53420f0f", kill_on_drop: false }`
[INFO] [stdout] 8b759f13c90e27195e6c05e50fbedf67d1ed0c6199b15e22bc14868b53420f0f