[INFO] fetching crate instant-segment 0.7.0...
[INFO] checking instant-segment-0.7.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate instant-segment 0.7.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate instant-segment 0.7.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate instant-segment 0.7.0
[INFO] finished tweaking crates.io crate instant-segment 0.7.0
[INFO] tweaked toml for crates.io crate instant-segment 0.7.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 953e9516b7174dee29d09b2118fa71768dc496b80ec24d970d9f0f5e419d18be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "953e9516b7174dee29d09b2118fa71768dc496b80ec24d970d9f0f5e419d18be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "953e9516b7174dee29d09b2118fa71768dc496b80ec24d970d9f0f5e419d18be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953e9516b7174dee29d09b2118fa71768dc496b80ec24d970d9f0f5e419d18be", kill_on_drop: false }`
[INFO] [stdout] 953e9516b7174dee29d09b2118fa71768dc496b80ec24d970d9f0f5e419d18be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c26afc4d3f3b82e3e308784d983feaa216c942362774268b8e5ac5d60e16605
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c26afc4d3f3b82e3e308784d983feaa216c942362774268b8e5ac5d60e16605", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]     Checking smartstring v0.2.6
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking instant-segment v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `bench`
[INFO] [stdout]   --> benches/bench.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #![cfg(feature = "__test_data")]
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | | use bencher::{benchmark_group, benchmark_main, Bencher};
[INFO] [stdout] 4  | |
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | |     });
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `benches/bench.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `instant-segment`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4c26afc4d3f3b82e3e308784d983feaa216c942362774268b8e5ac5d60e16605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c26afc4d3f3b82e3e308784d983feaa216c942362774268b8e5ac5d60e16605", kill_on_drop: false }`
[INFO] [stdout] 4c26afc4d3f3b82e3e308784d983feaa216c942362774268b8e5ac5d60e16605