[INFO] fetching crate rust_lib_dhananjay_metron 0.1.0...
[INFO] testing rust_lib_dhananjay_metron-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate rust_lib_dhananjay_metron 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rust_lib_dhananjay_metron 0.1.0
[INFO] finished tweaking crates.io crate rust_lib_dhananjay_metron 0.1.0
[INFO] tweaked toml for crates.io crate rust_lib_dhananjay_metron 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_lib_dhananjay_metron 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63d58efe7195c26b13e90dbc9febae962d6ecd2adfcb2a802a1d6c784e7b64d4
[INFO] running `Command { std: "docker" "start" "-a" "63d58efe7195c26b13e90dbc9febae962d6ecd2adfcb2a802a1d6c784e7b64d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d58efe7195c26b13e90dbc9febae962d6ecd2adfcb2a802a1d6c784e7b64d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d58efe7195c26b13e90dbc9febae962d6ecd2adfcb2a802a1d6c784e7b64d4", kill_on_drop: false }`
[INFO] [stdout] 63d58efe7195c26b13e90dbc9febae962d6ecd2adfcb2a802a1d6c784e7b64d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3d8fb2170d01fdb93be7bf5510549d7a3a783da19666183a118ff76d3c00c71
[INFO] running `Command { std: "docker" "start" "-a" "d3d8fb2170d01fdb93be7bf5510549d7a3a783da19666183a118ff76d3c00c71", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_lib_dhananjay_metron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `rust_function` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn rust_function() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[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 0.24s
[INFO] running `Command { std: "docker" "inspect" "d3d8fb2170d01fdb93be7bf5510549d7a3a783da19666183a118ff76d3c00c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d8fb2170d01fdb93be7bf5510549d7a3a783da19666183a118ff76d3c00c71", kill_on_drop: false }`
[INFO] [stdout] d3d8fb2170d01fdb93be7bf5510549d7a3a783da19666183a118ff76d3c00c71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05c7f42da62907c5f246619d2dd5fc5a7a9c58ec7ed986781494e08b64b4025f
[INFO] running `Command { std: "docker" "start" "-a" "05c7f42da62907c5f246619d2dd5fc5a7a9c58ec7ed986781494e08b64b4025f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_lib_dhananjay_metron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `rust_function` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn rust_function() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rust_function` is never used
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn rust_function() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[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 0.30s
[INFO] running `Command { std: "docker" "inspect" "05c7f42da62907c5f246619d2dd5fc5a7a9c58ec7ed986781494e08b64b4025f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c7f42da62907c5f246619d2dd5fc5a7a9c58ec7ed986781494e08b64b4025f", kill_on_drop: false }`
[INFO] [stdout] 05c7f42da62907c5f246619d2dd5fc5a7a9c58ec7ed986781494e08b64b4025f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f7ef89d83e744ec609ff9c8156ed14cf98c2f492ece5044797798c575d93175
[INFO] running `Command { std: "docker" "start" "-a" "0f7ef89d83e744ec609ff9c8156ed14cf98c2f492ece5044797798c575d93175", kill_on_drop: false }`
[INFO] [stderr] warning: function `rust_function` is never used
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | fn rust_function() {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_lib_dhananjay_metron` (lib) generated 1 warning
[INFO] [stderr] warning: `rust_lib_dhananjay_metron` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_lib_dhananjay_metron-0c79e2136cbf91db)
[INFO] [stderr]    Doc-tests rust_lib_dhananjay_metron
[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" "0f7ef89d83e744ec609ff9c8156ed14cf98c2f492ece5044797798c575d93175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7ef89d83e744ec609ff9c8156ed14cf98c2f492ece5044797798c575d93175", kill_on_drop: false }`
[INFO] [stdout] 0f7ef89d83e744ec609ff9c8156ed14cf98c2f492ece5044797798c575d93175