[INFO] fetching crate potpourri 0.0.1...
[INFO] testing potpourri-0.0.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate potpourri 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate potpourri 0.0.1
[INFO] finished tweaking crates.io crate potpourri 0.0.1
[INFO] tweaked toml for crates.io crate potpourri 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate potpourri 0.0.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 73 packages to latest compatible versions
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.16.1)
[INFO] [stderr]       Adding ndarray-rand v0.14.0 (available: v0.15.0)
[INFO] [stderr]       Adding ractor v0.7.6 (available: v0.15.8)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 371691dd9fe0b084d1f2b88cdb1778ea688d22c7dda5dcc9db8edc837076fa0f
[INFO] running `Command { std: "docker" "start" "-a" "371691dd9fe0b084d1f2b88cdb1778ea688d22c7dda5dcc9db8edc837076fa0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "371691dd9fe0b084d1f2b88cdb1778ea688d22c7dda5dcc9db8edc837076fa0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371691dd9fe0b084d1f2b88cdb1778ea688d22c7dda5dcc9db8edc837076fa0f", kill_on_drop: false }`
[INFO] [stdout] 371691dd9fe0b084d1f2b88cdb1778ea688d22c7dda5dcc9db8edc837076fa0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8eb42ba6fa74035da5eb5f10d2a03d49f72844bc15bf7e663da52778abfb85ad
[INFO] running `Command { std: "docker" "start" "-a" "8eb42ba6fa74035da5eb5f10d2a03d49f72844bc15bf7e663da52778abfb85ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling potpourri v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/lib.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn fit(&mut self, data: Self::DataIn<'_>) {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn predict(&self, data: &Self::DataIn<'_>) -> Self::DataOut {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "8eb42ba6fa74035da5eb5f10d2a03d49f72844bc15bf7e663da52778abfb85ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb42ba6fa74035da5eb5f10d2a03d49f72844bc15bf7e663da52778abfb85ad", kill_on_drop: false }`
[INFO] [stdout] 8eb42ba6fa74035da5eb5f10d2a03d49f72844bc15bf7e663da52778abfb85ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5e086251fc7f793a6c5867d952b99e6cf21e40e60ba32d4fc6bc71d0ca300193
[INFO] running `Command { std: "docker" "start" "-a" "5e086251fc7f793a6c5867d952b99e6cf21e40e60ba32d4fc6bc71d0ca300193", kill_on_drop: false }`
[INFO] [stderr]    Compiling potpourri v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/lib.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn fit(&mut self, data: Self::DataIn<'_>) {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn predict(&self, data: &Self::DataIn<'_>) -> Self::DataOut {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/lib.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn fit(&mut self, data: Self::DataIn<'_>) {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn predict(&self, data: &Self::DataIn<'_>) -> Self::DataOut {
[INFO] [stdout]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "5e086251fc7f793a6c5867d952b99e6cf21e40e60ba32d4fc6bc71d0ca300193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e086251fc7f793a6c5867d952b99e6cf21e40e60ba32d4fc6bc71d0ca300193", kill_on_drop: false }`
[INFO] [stdout] 5e086251fc7f793a6c5867d952b99e6cf21e40e60ba32d4fc6bc71d0ca300193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e23c5c972230659209016929803cd3bddc3d2cd7ca98f233526407abdd2e78d8
[INFO] running `Command { std: "docker" "start" "-a" "e23c5c972230659209016929803cd3bddc3d2cd7ca98f233526407abdd2e78d8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/lib.rs:97:23
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn fit(&mut self, data: Self::DataIn<'_>) {
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/lib.rs:101:23
[INFO] [stderr]     |
[INFO] [stderr] 101 |     fn predict(&self, data: &Self::DataIn<'_>) -> Self::DataOut {
[INFO] [stderr]     |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: `potpourri` (lib) generated 2 warnings
[INFO] [stderr] warning: `potpourri` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/potpourri-2cb56aefc35c7463)
[INFO] [stderr]    Doc-tests potpourri
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "e23c5c972230659209016929803cd3bddc3d2cd7ca98f233526407abdd2e78d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e23c5c972230659209016929803cd3bddc3d2cd7ca98f233526407abdd2e78d8", kill_on_drop: false }`
[INFO] [stdout] e23c5c972230659209016929803cd3bddc3d2cd7ca98f233526407abdd2e78d8