[INFO] fetching crate variadic_arguments 0.1.2...
[INFO] testing variadic_arguments-0.1.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate variadic_arguments 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate variadic_arguments 0.1.2
[INFO] finished tweaking crates.io crate variadic_arguments 0.1.2
[INFO] tweaked toml for crates.io crate variadic_arguments 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate variadic_arguments 0.1.2 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] crate crates.io crate variadic_arguments 0.1.2 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b88aaf3826744d0a670fcdf5c210d23985ee3939bef30d12ce10ec321d0989d0
[INFO] running `Command { std: "docker" "start" "-a" "b88aaf3826744d0a670fcdf5c210d23985ee3939bef30d12ce10ec321d0989d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b88aaf3826744d0a670fcdf5c210d23985ee3939bef30d12ce10ec321d0989d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88aaf3826744d0a670fcdf5c210d23985ee3939bef30d12ce10ec321d0989d0", kill_on_drop: false }`
[INFO] [stdout] b88aaf3826744d0a670fcdf5c210d23985ee3939bef30d12ce10ec321d0989d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3c00a7980b981fad4e3a6580392861c91c182bc1ef62be1c4f68f88f9abff258
[INFO] running `Command { std: "docker" "start" "-a" "3c00a7980b981fad4e3a6580392861c91c182bc1ef62be1c4f68f88f9abff258", kill_on_drop: false }`
[INFO] [stderr]    Compiling variadic_arguments v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "3c00a7980b981fad4e3a6580392861c91c182bc1ef62be1c4f68f88f9abff258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c00a7980b981fad4e3a6580392861c91c182bc1ef62be1c4f68f88f9abff258", kill_on_drop: false }`
[INFO] [stdout] 3c00a7980b981fad4e3a6580392861c91c182bc1ef62be1c4f68f88f9abff258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3f611391fe521bb06499137453fd43659626b4b577938e728077c03c979449a8
[INFO] running `Command { std: "docker" "start" "-a" "3f611391fe521bb06499137453fd43659626b4b577938e728077c03c979449a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling variadic_arguments v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/tests/owned_argument.rs:112:24
[INFO] [stdout]     |
[INFO] [stdout] 112 |     struct AllocSample(Vec<u8>);
[INFO] [stdout]     |            ----------- ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `AllocSample` has a derived impl for the trait `Clone`, 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "3f611391fe521bb06499137453fd43659626b4b577938e728077c03c979449a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f611391fe521bb06499137453fd43659626b4b577938e728077c03c979449a8", kill_on_drop: false }`
[INFO] [stdout] 3f611391fe521bb06499137453fd43659626b4b577938e728077c03c979449a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ba63a0a95f595533267afad522ca7562a374da04690771d113e95b68df4a0a24
[INFO] running `Command { std: "docker" "start" "-a" "ba63a0a95f595533267afad522ca7562a374da04690771d113e95b68df4a0a24", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/tests/owned_argument.rs:112:24
[INFO] [stderr]     |
[INFO] [stderr] 112 |     struct AllocSample(Vec<u8>);
[INFO] [stderr]     |            ----------- ^^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `AllocSample` has a derived impl for the trait `Clone`, 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: `variadic_arguments` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/variadic_arguments-c756a0286c0a5ab0)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::argument::test_borrowed_alloc ... ok
[INFO] [stdout] test tests::argument::test_borrowed_box ... ok
[INFO] [stdout] test tests::argument::test_borrowed_i32 ... ok
[INFO] [stdout] test tests::argument::test_borrowed_zst ... ok
[INFO] [stdout] test tests::argument::test_owned_alloc ... ok
[INFO] [stdout] test tests::argument::test_owned_box ... ok
[INFO] [stdout] test tests::argument::test_owned_i32 ... ok
[INFO] [stdout] test tests::owned_argument::test_alloc ... ok
[INFO] [stdout] test tests::argument::test_owned_zst ... ok
[INFO] [stdout] test tests::owned_argument::test_boxed ... ok
[INFO] [stdout] test tests::owned_argument::test_i32 ... ok
[INFO] [stdout] test tests::owned_argument::test_unique_alloc ... ok
[INFO] [stdout] test tests::owned_argument::test_unique_boxed ... ok
[INFO] [stdout] test tests::owned_argument::test_zst ... ok
[INFO] [stdout] test tests::owned_argument::test_unique_zst ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests variadic_arguments
[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" "ba63a0a95f595533267afad522ca7562a374da04690771d113e95b68df4a0a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba63a0a95f595533267afad522ca7562a374da04690771d113e95b68df4a0a24", kill_on_drop: false }`
[INFO] [stdout] ba63a0a95f595533267afad522ca7562a374da04690771d113e95b68df4a0a24