[INFO] cloning repository https://github.com/WanderLanz/Lender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WanderLanz/Lender" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWanderLanz%2FLender", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWanderLanz%2FLender'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a01f8f8e65551aafaee5a1e05b47264a002bcb53
[INFO] checking WanderLanz/Lender/a01f8f8e65551aafaee5a1e05b47264a002bcb53 against master#36e2b8a3a7aad93f8a92db6d254b746aa94ed6da for pr-151822
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWanderLanz%2FLender" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/WanderLanz/Lender
[INFO] finished tweaking git repo https://github.com/WanderLanz/Lender
[INFO] tweaked toml for git repo https://github.com/WanderLanz/Lender written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WanderLanz/Lender on toolchain 36e2b8a3a7aad93f8a92db6d254b746aa94ed6da
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maybe-dangling v0.1.2
[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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18f77e1407067ee5125ed2cf1ac1cee20be3d3c6235637f97d9e80192a8419f1
[INFO] running `Command { std: "docker" "start" "-a" "18f77e1407067ee5125ed2cf1ac1cee20be3d3c6235637f97d9e80192a8419f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f77e1407067ee5125ed2cf1ac1cee20be3d3c6235637f97d9e80192a8419f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f77e1407067ee5125ed2cf1ac1cee20be3d3c6235637f97d9e80192a8419f1", kill_on_drop: false }`
[INFO] [stdout] 18f77e1407067ee5125ed2cf1ac1cee20be3d3c6235637f97d9e80192a8419f1
[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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+36e2b8a3a7aad93f8a92db6d254b746aa94ed6da" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44b7d52d29616c6978fd186724a95e4a4edea102fbec2a934e6c244595f0b5cc
[INFO] running `Command { std: "docker" "start" "-a" "44b7d52d29616c6978fd186724a95e4a4edea102fbec2a934e6c244595f0b5cc", kill_on_drop: false }`
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking stable_try_trait_v2 v1.75.1 (/opt/rustwide/workdir/stable_try_trait_v2)
[INFO] [stderr]     Checking maybe-dangling v0.1.2
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking proc-macro2 v1.0.106
[INFO] [stderr]     Checking quote v1.0.44
[INFO] [stderr]     Checking toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking toml v0.9.11+spec-1.1.0
[INFO] [stderr]     Checking lender-derive v0.1.3 (/opt/rustwide/workdir/lender-derive)
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking lender v0.5.0 (/opt/rustwide/workdir/lender)
[INFO] [stderr]     Checking trybuild v1.0.115
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?19t, '^0, ?0i], def_id: DefId(20:4120 ~ lender[902f]::higher_order::FnMutHKA::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?19t, '!10_0, ?0i], def_id: DefId(20:4120 ~ lender[902f]::higher_order::FnMutHKA::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?12t, '^0, i32], def_id: DefId(20:4120 ~ lender[902f]::higher_order::FnMutHKA::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?12t, '!10_0, i32], def_id: DefId(20:4120 ~ lender[902f]::higher_order::FnMutHKA::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?19t, '^0, ?0i], def_id: DefId(20:4120 ~ lender[902f]::higher_order::FnMutHKA::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?19t, '!10_0, ?0i], def_id: DefId(20:4120 ~ lender[902f]::higher_order::FnMutHKA::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?19t, '^0, ?0i], def_id: DefId(20:4120 ~ lender[902f]::higher_order::FnMutHKA::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?19t, '!10_0, ?0i], def_id: DefId(20:4120 ~ lender[902f]::higher_order::FnMutHKA::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?19t, '^0, ?0i], def_id: DefId(0:4203 ~ lender[d826]::higher_order::FnMutHKA::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?19t, '!10_0, ?0i], def_id: DefId(0:4203 ~ lender[d826]::higher_order::FnMutHKA::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?30t, '^0, ?0i, core::convert::Infallible], def_id: DefId(0:4236 ~ lender[d826]::higher_order::FnMutHKARes::B), .. }
[INFO] [stderr]  WARN rustc_infer::infer::relate::generalize may incompletely handle alias type: AliasTy { args: [?30t, '!15_0, ?0i, core::convert::Infallible], def_id: DefId(0:4236 ~ lender[d826]::higher_order::FnMutHKARes::B), .. }
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.52s
[INFO] running `Command { std: "docker" "inspect" "44b7d52d29616c6978fd186724a95e4a4edea102fbec2a934e6c244595f0b5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b7d52d29616c6978fd186724a95e4a4edea102fbec2a934e6c244595f0b5cc", kill_on_drop: false }`
[INFO] [stdout] 44b7d52d29616c6978fd186724a95e4a4edea102fbec2a934e6c244595f0b5cc