[INFO] cloning repository https://github.com/tonyfinn/tarpaulin-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tonyfinn/tarpaulin-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyfinn%2Ftarpaulin-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyfinn%2Ftarpaulin-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f638e52792d8d84f8dfd0e1a2c20eeb6b5a64b19
[INFO] checking tonyfinn/tarpaulin-repro against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftonyfinn%2Ftarpaulin-repro" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tonyfinn/tarpaulin-repro on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tonyfinn/tarpaulin-repro
[INFO] finished tweaking git repo https://github.com/tonyfinn/tarpaulin-repro
[INFO] tweaked toml for git repo https://github.com/tonyfinn/tarpaulin-repro written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/tonyfinn/tarpaulin-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 42b24f6a798672aeb19a177ebdec39be75f5ed26f9f53183ef926893441a2664
[INFO] running `Command { std: "docker" "start" "-a" "42b24f6a798672aeb19a177ebdec39be75f5ed26f9f53183ef926893441a2664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42b24f6a798672aeb19a177ebdec39be75f5ed26f9f53183ef926893441a2664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b24f6a798672aeb19a177ebdec39be75f5ed26f9f53183ef926893441a2664", kill_on_drop: false }`
[INFO] [stdout] 42b24f6a798672aeb19a177ebdec39be75f5ed26f9f53183ef926893441a2664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d4b7f367118579789bbaf29be7940582a8cb589881dd9d346b073160555ed83
[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" "5d4b7f367118579789bbaf29be7940582a8cb589881dd9d346b073160555ed83", kill_on_drop: false }`
[INFO] [stderr]     Checking tarpaulin-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `for_tests`
[INFO] [stdout]  --> src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn for_tests() -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "5d4b7f367118579789bbaf29be7940582a8cb589881dd9d346b073160555ed83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4b7f367118579789bbaf29be7940582a8cb589881dd9d346b073160555ed83", kill_on_drop: false }`
[INFO] [stdout] 5d4b7f367118579789bbaf29be7940582a8cb589881dd9d346b073160555ed83