[INFO] fetching crate tupletools 0.4.1...
[INFO] testing tupletools-0.4.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tupletools 0.4.1 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tupletools 0.4.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8c802752567db45c2ae30e0994ebab4756daf62a7807eeeba4268d5360556fe
[INFO] running `Command { std: "docker" "start" "-a" "c8c802752567db45c2ae30e0994ebab4756daf62a7807eeeba4268d5360556fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8c802752567db45c2ae30e0994ebab4756daf62a7807eeeba4268d5360556fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8c802752567db45c2ae30e0994ebab4756daf62a7807eeeba4268d5360556fe", kill_on_drop: false }`
[INFO] [stdout] c8c802752567db45c2ae30e0994ebab4756daf62a7807eeeba4268d5360556fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad22003d64b010aea3a7ee4ae71c5f64855330b4d2a4578a89dc15fd7edca628
[INFO] running `Command { std: "docker" "start" "-a" "ad22003d64b010aea3a7ee4ae71c5f64855330b4d2a4578a89dc15fd7edca628", 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "ad22003d64b010aea3a7ee4ae71c5f64855330b4d2a4578a89dc15fd7edca628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad22003d64b010aea3a7ee4ae71c5f64855330b4d2a4578a89dc15fd7edca628", kill_on_drop: false }`
[INFO] [stdout] ad22003d64b010aea3a7ee4ae71c5f64855330b4d2a4578a89dc15fd7edca628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc81754a1ed59f2876a7e6e91abd8ccf2454465d4652c4f3f12614f6b24f604d
[INFO] running `Command { std: "docker" "start" "-a" "cc81754a1ed59f2876a7e6e91abd8ccf2454465d4652c4f3f12614f6b24f604d", 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 0.80s
[INFO] running `Command { std: "docker" "inspect" "cc81754a1ed59f2876a7e6e91abd8ccf2454465d4652c4f3f12614f6b24f604d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc81754a1ed59f2876a7e6e91abd8ccf2454465d4652c4f3f12614f6b24f604d", kill_on_drop: false }`
[INFO] [stdout] cc81754a1ed59f2876a7e6e91abd8ccf2454465d4652c4f3f12614f6b24f604d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16100487bec3aa560e4b2aea99f0ab5ca30d0459f4969d697228309cc7eb1d11
[INFO] running `Command { std: "docker" "start" "-a" "16100487bec3aa560e4b2aea99f0ab5ca30d0459f4969d697228309cc7eb1d11", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tupletools-4c221155bb5437b3)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::add ... ok
[INFO] [stdout] test tests::head_tail ... ok
[INFO] [stdout] test tests::fst_test ... ok
[INFO] [stdout] test tests::append ... ok
[INFO] [stdout] test tests::div ... ok
[INFO] [stdout] test tests::pop_back ... ok
[INFO] [stdout] test tests::pop_front ... ok
[INFO] [stdout] test tests::prepend ... ok
[INFO] [stdout] test tests::snd_test ... ok
[INFO] [stdout] test tests::mul ... ok
[INFO] [stdout] test tests::cast_one_to_one ... ok
[INFO] [stdout] test tests::sub ... ok
[INFO] [stdout] test tests::trd_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "16100487bec3aa560e4b2aea99f0ab5ca30d0459f4969d697228309cc7eb1d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16100487bec3aa560e4b2aea99f0ab5ca30d0459f4969d697228309cc7eb1d11", kill_on_drop: false }`
[INFO] [stdout] 16100487bec3aa560e4b2aea99f0ab5ca30d0459f4969d697228309cc7eb1d11