[INFO] fetching crate elicit 0.7.8...
[INFO] checking elicit-0.7.8 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate elicit 0.7.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate elicit 0.7.8 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elicit 0.7.8
[INFO] finished tweaking crates.io crate elicit 0.7.8
[INFO] tweaked toml for crates.io crate elicit 0.7.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6fe00a07d8edd4f183144bd18dbf2c0a5abae01ee23dc4c6d4c2961af0d2f61f
[INFO] running `Command { std: "docker" "start" "-a" "6fe00a07d8edd4f183144bd18dbf2c0a5abae01ee23dc4c6d4c2961af0d2f61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe00a07d8edd4f183144bd18dbf2c0a5abae01ee23dc4c6d4c2961af0d2f61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe00a07d8edd4f183144bd18dbf2c0a5abae01ee23dc4c6d4c2961af0d2f61f", kill_on_drop: false }`
[INFO] [stdout] 6fe00a07d8edd4f183144bd18dbf2c0a5abae01ee23dc4c6d4c2961af0d2f61f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb9cbd7e27ea90d3c44813a17439977d89cfff1b0728ad4024bdc89016adda8e
[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" "bb9cbd7e27ea90d3c44813a17439977d89cfff1b0728ad4024bdc89016adda8e", kill_on_drop: false }`
[INFO] [stderr]     Checking elicit v0.7.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `upgrade`
[INFO] [stdout]    --> src/aelicit.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 pub fn upgrade(&self) -> Option<Aelicit> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 344 |     aelicit_define!(aelicit_t0, T0);
[INFO] [stdout]     |     -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `upgrade`
[INFO] [stdout]    --> src/elicit.rs:99:17
[INFO] [stdout]     |
[INFO] [stdout] 99  |                 pub fn upgrade(&self) -> Option<Elicit> {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 241 |     elicit_define!(elicit_t0, T0);
[INFO] [stdout]     |     ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "bb9cbd7e27ea90d3c44813a17439977d89cfff1b0728ad4024bdc89016adda8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9cbd7e27ea90d3c44813a17439977d89cfff1b0728ad4024bdc89016adda8e", kill_on_drop: false }`
[INFO] [stdout] bb9cbd7e27ea90d3c44813a17439977d89cfff1b0728ad4024bdc89016adda8e