[INFO] cloning repository https://github.com/mastertinner/healthcheck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mastertinner/healthcheck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmastertinner%2Fhealthcheck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmastertinner%2Fhealthcheck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 601b7a46269750ab3dbd052ba6c0d0af2f948029
[INFO] checking mastertinner/healthcheck against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmastertinner%2Fhealthcheck" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mastertinner/healthcheck on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mastertinner/healthcheck
[INFO] finished tweaking git repo https://github.com/mastertinner/healthcheck
[INFO] tweaked toml for git repo https://github.com/mastertinner/healthcheck written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mastertinner/healthcheck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f404776da7408b145e15aa14beee6cb4e178672f7070860fce6feb3aa95dbd3b
[INFO] running `Command { std: "docker" "start" "-a" "f404776da7408b145e15aa14beee6cb4e178672f7070860fce6feb3aa95dbd3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f404776da7408b145e15aa14beee6cb4e178672f7070860fce6feb3aa95dbd3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f404776da7408b145e15aa14beee6cb4e178672f7070860fce6feb3aa95dbd3b", kill_on_drop: false }`
[INFO] [stdout] f404776da7408b145e15aa14beee6cb4e178672f7070860fce6feb3aa95dbd3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f6fd5b84fe7f4d74dc2abaff28f8d6182dacfffd3d052e3de9f8dc55a168354
[INFO] running `Command { std: "docker" "start" "-a" "6f6fd5b84fe7f4d74dc2abaff28f8d6182dacfffd3d052e3de9f8dc55a168354", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.25
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking healthcheck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.19s
[INFO] running `Command { std: "docker" "inspect" "6f6fd5b84fe7f4d74dc2abaff28f8d6182dacfffd3d052e3de9f8dc55a168354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f6fd5b84fe7f4d74dc2abaff28f8d6182dacfffd3d052e3de9f8dc55a168354", kill_on_drop: false }`
[INFO] [stdout] 6f6fd5b84fe7f4d74dc2abaff28f8d6182dacfffd3d052e3de9f8dc55a168354
[INFO] checking mastertinner/healthcheck against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmastertinner%2Fhealthcheck" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mastertinner/healthcheck on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mastertinner/healthcheck
[INFO] finished tweaking git repo https://github.com/mastertinner/healthcheck
[INFO] tweaked toml for git repo https://github.com/mastertinner/healthcheck written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mastertinner/healthcheck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0879a4c5700e3a1cb0618c26f04224a6a35d887d37abf6013526be436d710de8
[INFO] running `Command { std: "docker" "start" "-a" "0879a4c5700e3a1cb0618c26f04224a6a35d887d37abf6013526be436d710de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0879a4c5700e3a1cb0618c26f04224a6a35d887d37abf6013526be436d710de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0879a4c5700e3a1cb0618c26f04224a6a35d887d37abf6013526be436d710de8", kill_on_drop: false }`
[INFO] [stdout] 0879a4c5700e3a1cb0618c26f04224a6a35d887d37abf6013526be436d710de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d56d4f9568665cc27a3d415c88cb691b34d556087264c9f0b75804b96230161
[INFO] running `Command { std: "docker" "start" "-a" "9d56d4f9568665cc27a3d415c88cb691b34d556087264c9f0b75804b96230161", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.25
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking healthcheck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.92s
[INFO] running `Command { std: "docker" "inspect" "9d56d4f9568665cc27a3d415c88cb691b34d556087264c9f0b75804b96230161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d56d4f9568665cc27a3d415c88cb691b34d556087264c9f0b75804b96230161", kill_on_drop: false }`
[INFO] [stdout] 9d56d4f9568665cc27a3d415c88cb691b34d556087264c9f0b75804b96230161