[INFO] fetching crate btree_error 0.1.0...
[INFO] checking btree_error-0.1.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate btree_error 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate btree_error 0.1.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btree_error 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate btree_error 0.1.0
[INFO] tweaked toml for crates.io crate btree_error 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try_encoding_from v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 174ad7393e0fcca9f75b3f6c138f331005f7efffd39b83234ea86b9e29aca53f
[INFO] running `Command { std: "docker" "start" "-a" "174ad7393e0fcca9f75b3f6c138f331005f7efffd39b83234ea86b9e29aca53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "174ad7393e0fcca9f75b3f6c138f331005f7efffd39b83234ea86b9e29aca53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174ad7393e0fcca9f75b3f6c138f331005f7efffd39b83234ea86b9e29aca53f", kill_on_drop: false }`
[INFO] [stdout] 174ad7393e0fcca9f75b3f6c138f331005f7efffd39b83234ea86b9e29aca53f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b1af5f8bdfc8f4b22741a7f374df54402ebc5b24e427e3c27d9131eb50c187b
[INFO] running `Command { std: "docker" "start" "-a" "4b1af5f8bdfc8f4b22741a7f374df54402ebc5b24e427e3c27d9131eb50c187b", kill_on_drop: false }`
[INFO] [stderr]     Checking btree_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `benchmark`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `benches/lib.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `btree_error` (bench "benchmark") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4b1af5f8bdfc8f4b22741a7f374df54402ebc5b24e427e3c27d9131eb50c187b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1af5f8bdfc8f4b22741a7f374df54402ebc5b24e427e3c27d9131eb50c187b", kill_on_drop: false }`
[INFO] [stdout] 4b1af5f8bdfc8f4b22741a7f374df54402ebc5b24e427e3c27d9131eb50c187b
[INFO] checking btree_error-0.1.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate btree_error 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate btree_error 0.1.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btree_error 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate btree_error 0.1.0
[INFO] tweaked toml for crates.io crate btree_error 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26654eabbce535c093ed0bd220b82ce80b15eb2c2f635d942a9301d6fb587092
[INFO] running `Command { std: "docker" "start" "-a" "26654eabbce535c093ed0bd220b82ce80b15eb2c2f635d942a9301d6fb587092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26654eabbce535c093ed0bd220b82ce80b15eb2c2f635d942a9301d6fb587092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26654eabbce535c093ed0bd220b82ce80b15eb2c2f635d942a9301d6fb587092", kill_on_drop: false }`
[INFO] [stdout] 26654eabbce535c093ed0bd220b82ce80b15eb2c2f635d942a9301d6fb587092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3afdb5d3994fb85c321cb55c4f211b9667cadcf606df6f9778d3b43a19621686
[INFO] running `Command { std: "docker" "start" "-a" "3afdb5d3994fb85c321cb55c4f211b9667cadcf606df6f9778d3b43a19621686", kill_on_drop: false }`
[INFO] [stderr]     Checking btree_error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `benchmark`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `benches/lib.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `btree_error` (bench "benchmark") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3afdb5d3994fb85c321cb55c4f211b9667cadcf606df6f9778d3b43a19621686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afdb5d3994fb85c321cb55c4f211b9667cadcf606df6f9778d3b43a19621686", kill_on_drop: false }`
[INFO] [stdout] 3afdb5d3994fb85c321cb55c4f211b9667cadcf606df6f9778d3b43a19621686
