[INFO] fetching crate elicit 0.7.8...
[INFO] checking elicit-0.7.8 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate elicit 0.7.8 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate elicit 0.7.8 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7812666805e57c9012b01bc4c64a7cba03be8356439830cb3201d3b70d2b7e17
[INFO] running `Command { std: "docker" "start" "-a" "7812666805e57c9012b01bc4c64a7cba03be8356439830cb3201d3b70d2b7e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7812666805e57c9012b01bc4c64a7cba03be8356439830cb3201d3b70d2b7e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7812666805e57c9012b01bc4c64a7cba03be8356439830cb3201d3b70d2b7e17", kill_on_drop: false }`
[INFO] [stdout] 7812666805e57c9012b01bc4c64a7cba03be8356439830cb3201d3b70d2b7e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30999a45f7d258c98db02d6369f4544ee4e15eae4c6c64be1b01f3bec8994b01
[INFO] running `Command { std: "docker" "start" "-a" "30999a45f7d258c98db02d6369f4544ee4e15eae4c6c64be1b01f3bec8994b01", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 the macro `aelicit_define` (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 the macro `elicit_define` (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 0.91s
[INFO] running `Command { std: "docker" "inspect" "30999a45f7d258c98db02d6369f4544ee4e15eae4c6c64be1b01f3bec8994b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30999a45f7d258c98db02d6369f4544ee4e15eae4c6c64be1b01f3bec8994b01", kill_on_drop: false }`
[INFO] [stdout] 30999a45f7d258c98db02d6369f4544ee4e15eae4c6c64be1b01f3bec8994b01