[INFO] cloning repository https://github.com/lannonbr/rust-operator-overloading
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lannonbr/rust-operator-overloading" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flannonbr%2Frust-operator-overloading", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flannonbr%2Frust-operator-overloading'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a73f9c5f86e51941b7c401262ee20fdb14ce311
[INFO] testing lannonbr/rust-operator-overloading against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flannonbr%2Frust-operator-overloading" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lannonbr/rust-operator-overloading
[INFO] finished tweaking git repo https://github.com/lannonbr/rust-operator-overloading
[INFO] tweaked toml for git repo https://github.com/lannonbr/rust-operator-overloading written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lannonbr/rust-operator-overloading on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lannonbr/rust-operator-overloading 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f9026ab000b369a06554c1e9d2b11fa21cb4584f9a33b8b58727d79b5844431
[INFO] running `Command { std: "docker" "start" "-a" "3f9026ab000b369a06554c1e9d2b11fa21cb4584f9a33b8b58727d79b5844431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f9026ab000b369a06554c1e9d2b11fa21cb4584f9a33b8b58727d79b5844431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9026ab000b369a06554c1e9d2b11fa21cb4584f9a33b8b58727d79b5844431", kill_on_drop: false }`
[INFO] [stdout] 3f9026ab000b369a06554c1e9d2b11fa21cb4584f9a33b8b58727d79b5844431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9cdef5551690bbf151f857c2acc066ddad6cd3cd283ba1e83e2a08e164cfa29
[INFO] running `Command { std: "docker" "start" "-a" "e9cdef5551690bbf151f857c2acc066ddad6cd3cd283ba1e83e2a08e164cfa29", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-operator-overloading v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | struct StatsEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     timestamp: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatsEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "e9cdef5551690bbf151f857c2acc066ddad6cd3cd283ba1e83e2a08e164cfa29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9cdef5551690bbf151f857c2acc066ddad6cd3cd283ba1e83e2a08e164cfa29", kill_on_drop: false }`
[INFO] [stdout] e9cdef5551690bbf151f857c2acc066ddad6cd3cd283ba1e83e2a08e164cfa29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db6b055cdb4256cdc72fb168463ac4d4b0c3e5c8ddb2b9990e27cf9a297724f9
[INFO] running `Command { std: "docker" "start" "-a" "db6b055cdb4256cdc72fb168463ac4d4b0c3e5c8ddb2b9990e27cf9a297724f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-operator-overloading v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `timestamp` is never read
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | struct StatsEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     timestamp: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StatsEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "db6b055cdb4256cdc72fb168463ac4d4b0c3e5c8ddb2b9990e27cf9a297724f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6b055cdb4256cdc72fb168463ac4d4b0c3e5c8ddb2b9990e27cf9a297724f9", kill_on_drop: false }`
[INFO] [stdout] db6b055cdb4256cdc72fb168463ac4d4b0c3e5c8ddb2b9990e27cf9a297724f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a48939f67a839e0019d76cacf2b15ce08178b20b1eff3a759951c9c683592ea8
[INFO] running `Command { std: "docker" "start" "-a" "a48939f67a839e0019d76cacf2b15ce08178b20b1eff3a759951c9c683592ea8", kill_on_drop: false }`
[INFO] [stderr] warning: field `timestamp` is never read
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr]  4 | struct StatsEntry {
[INFO] [stderr]    |        ---------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 14 |     timestamp: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StatsEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-operator-overloading` (bin "rust-operator-overloading" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_operator_overloading-e9b17ef46dd6c7f4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a48939f67a839e0019d76cacf2b15ce08178b20b1eff3a759951c9c683592ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48939f67a839e0019d76cacf2b15ce08178b20b1eff3a759951c9c683592ea8", kill_on_drop: false }`
[INFO] [stdout] a48939f67a839e0019d76cacf2b15ce08178b20b1eff3a759951c9c683592ea8