[INFO] fetching crate ref-into 0.1.0...
[INFO] testing ref-into-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate ref-into 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ref-into 0.1.0
[INFO] finished tweaking crates.io crate ref-into 0.1.0
[INFO] tweaked toml for crates.io crate ref-into 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ref-into 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ref-into 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2496b41ffa05946b99b5c32fa8e59c56f286108f54201440759cec554d1a63a
[INFO] running `Command { std: "docker" "start" "-a" "f2496b41ffa05946b99b5c32fa8e59c56f286108f54201440759cec554d1a63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2496b41ffa05946b99b5c32fa8e59c56f286108f54201440759cec554d1a63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2496b41ffa05946b99b5c32fa8e59c56f286108f54201440759cec554d1a63a", kill_on_drop: false }`
[INFO] [stdout] f2496b41ffa05946b99b5c32fa8e59c56f286108f54201440759cec554d1a63a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e40a3abc3fdf80343243e55c04131337057ad73057912509905142d1b6cbe1a9
[INFO] running `Command { std: "docker" "start" "-a" "e40a3abc3fdf80343243e55c04131337057ad73057912509905142d1b6cbe1a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref-into v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "e40a3abc3fdf80343243e55c04131337057ad73057912509905142d1b6cbe1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40a3abc3fdf80343243e55c04131337057ad73057912509905142d1b6cbe1a9", kill_on_drop: false }`
[INFO] [stdout] e40a3abc3fdf80343243e55c04131337057ad73057912509905142d1b6cbe1a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d02bbd474d5ec6628d34500a4c0856b7b784eb2d1200cfc8aea1e4f4a6cfe59
[INFO] running `Command { std: "docker" "start" "-a" "9d02bbd474d5ec6628d34500a4c0856b7b784eb2d1200cfc8aea1e4f4a6cfe59", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref-into v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/example.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct ApiRoute(String);
[INFO] [stdout]    |        -------- ^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ApiRoute` 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] [stdout] warning: variant `Customers` is never constructed
[INFO] [stdout]   --> examples/example.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Endpoints {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 17 |     Orders,
[INFO] [stdout] 18 |     Customers
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Endpoints` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "9d02bbd474d5ec6628d34500a4c0856b7b784eb2d1200cfc8aea1e4f4a6cfe59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d02bbd474d5ec6628d34500a4c0856b7b784eb2d1200cfc8aea1e4f4a6cfe59", kill_on_drop: false }`
[INFO] [stdout] 9d02bbd474d5ec6628d34500a4c0856b7b784eb2d1200cfc8aea1e4f4a6cfe59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4292b2a4297dc51ef755c5cf7b2c99ec151d4c162d45a8dba7330728f3721011
[INFO] running `Command { std: "docker" "start" "-a" "4292b2a4297dc51ef755c5cf7b2c99ec151d4c162d45a8dba7330728f3721011", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/example.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct ApiRoute(String);
[INFO] [stderr]    |        -------- ^^^^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `ApiRoute` 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: variant `Customers` is never constructed
[INFO] [stderr]   --> examples/example.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | enum Endpoints {
[INFO] [stderr]    |      --------- variant in this enum
[INFO] [stderr] 17 |     Orders,
[INFO] [stderr] 18 |     Customers
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Endpoints` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `ref-into` (example "example") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ref_into-4c2232d2ae26ded1)
[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] [stderr]    Doc-tests ref_into
[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" "4292b2a4297dc51ef755c5cf7b2c99ec151d4c162d45a8dba7330728f3721011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4292b2a4297dc51ef755c5cf7b2c99ec151d4c162d45a8dba7330728f3721011", kill_on_drop: false }`
[INFO] [stdout] 4292b2a4297dc51ef755c5cf7b2c99ec151d4c162d45a8dba7330728f3721011