[INFO] fetching crate tupletools 0.4.1...
[INFO] testing tupletools-0.4.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate tupletools 0.4.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tupletools 0.4.1
[INFO] finished tweaking crates.io crate tupletools 0.4.1
[INFO] tweaked toml for crates.io crate tupletools 0.4.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tupletools 0.4.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79f056460c42f2ad37331a79f7365ed28caf0068221a9cf298d46f635ea9f93d
[INFO] running `Command { std: "docker" "start" "-a" "79f056460c42f2ad37331a79f7365ed28caf0068221a9cf298d46f635ea9f93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79f056460c42f2ad37331a79f7365ed28caf0068221a9cf298d46f635ea9f93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f056460c42f2ad37331a79f7365ed28caf0068221a9cf298d46f635ea9f93d", kill_on_drop: false }`
[INFO] [stdout] 79f056460c42f2ad37331a79f7365ed28caf0068221a9cf298d46f635ea9f93d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6871c1aa0e5e8d369e7469141987f32d737755053e54f32248fc807180e76c6d
[INFO] running `Command { std: "docker" "start" "-a" "6871c1aa0e5e8d369e7469141987f32d737755053e54f32248fc807180e76c6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tupletools v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `FstTest` is never used
[INFO] [stdout]   --> src/fst.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait FstTest {
[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 0.45s
[INFO] running `Command { std: "docker" "inspect" "6871c1aa0e5e8d369e7469141987f32d737755053e54f32248fc807180e76c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6871c1aa0e5e8d369e7469141987f32d737755053e54f32248fc807180e76c6d", kill_on_drop: false }`
[INFO] [stdout] 6871c1aa0e5e8d369e7469141987f32d737755053e54f32248fc807180e76c6d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68683a9d91d0ae5e1fc48b1563a316838886a333d9abeb5ff0fe1156f80786b8
[INFO] running `Command { std: "docker" "start" "-a" "68683a9d91d0ae5e1fc48b1563a316838886a333d9abeb5ff0fe1156f80786b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tupletools v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `FstTest` is never used
[INFO] [stdout]   --> src/fst.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait FstTest {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FstTest` is never used
[INFO] [stdout]   --> src/fst.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait FstTest {
[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 1.05s
[INFO] running `Command { std: "docker" "inspect" "68683a9d91d0ae5e1fc48b1563a316838886a333d9abeb5ff0fe1156f80786b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68683a9d91d0ae5e1fc48b1563a316838886a333d9abeb5ff0fe1156f80786b8", kill_on_drop: false }`
[INFO] [stdout] 68683a9d91d0ae5e1fc48b1563a316838886a333d9abeb5ff0fe1156f80786b8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d4890c107f514b5637cbd5e348bbc8560e01f2890f7e2855fe574c06a5f3a89
[INFO] running `Command { std: "docker" "start" "-a" "4d4890c107f514b5637cbd5e348bbc8560e01f2890f7e2855fe574c06a5f3a89", kill_on_drop: false }`
[INFO] [stderr] warning: trait `FstTest` is never used
[INFO] [stderr]   --> src/fst.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait FstTest {
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tupletools` (lib) generated 1 warning
[INFO] [stderr] warning: `tupletools` (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/tupletools-2a46159a88e88788)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::add ... ok
[INFO] [stdout] test tests::fst_test ... ok
[INFO] [stdout] test tests::head_tail ... ok
[INFO] [stdout] test tests::cast_one_to_one ... ok
[INFO] [stdout] test tests::pop_back ... ok
[INFO] [stdout] test tests::mul ... ok
[INFO] [stdout] test tests::div ... ok
[INFO] [stdout] test tests::pop_front ... ok
[INFO] [stdout] test tests::snd_test ... ok
[INFO] [stdout] test tests::prepend ... ok
[INFO] [stdout] test tests::trd_test ... ok
[INFO] [stdout] test tests::sub ... ok
[INFO] [stdout] test tests::append ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tupletools
[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" "4d4890c107f514b5637cbd5e348bbc8560e01f2890f7e2855fe574c06a5f3a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4890c107f514b5637cbd5e348bbc8560e01f2890f7e2855fe574c06a5f3a89", kill_on_drop: false }`
[INFO] [stdout] 4d4890c107f514b5637cbd5e348bbc8560e01f2890f7e2855fe574c06a5f3a89