[INFO] fetching crate tupletools 0.4.1...
[INFO] testing tupletools-0.4.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate tupletools 0.4.1 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tupletools 0.4.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88b12c8726b004d5d250b99928210c99b60e9e2980b37a77f9afcef29743b246
[INFO] running `Command { std: "docker" "start" "-a" "88b12c8726b004d5d250b99928210c99b60e9e2980b37a77f9afcef29743b246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88b12c8726b004d5d250b99928210c99b60e9e2980b37a77f9afcef29743b246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88b12c8726b004d5d250b99928210c99b60e9e2980b37a77f9afcef29743b246", kill_on_drop: false }`
[INFO] [stdout] 88b12c8726b004d5d250b99928210c99b60e9e2980b37a77f9afcef29743b246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01111d3f51ddc8b611849dc50ab540e6af9ad00578243e5c20888afe517bb61e
[INFO] running `Command { std: "docker" "start" "-a" "01111d3f51ddc8b611849dc50ab540e6af9ad00578243e5c20888afe517bb61e", 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 0.65s
[INFO] running `Command { std: "docker" "inspect" "01111d3f51ddc8b611849dc50ab540e6af9ad00578243e5c20888afe517bb61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01111d3f51ddc8b611849dc50ab540e6af9ad00578243e5c20888afe517bb61e", kill_on_drop: false }`
[INFO] [stdout] 01111d3f51ddc8b611849dc50ab540e6af9ad00578243e5c20888afe517bb61e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49f4b22710d232ebb992f223f5209fd71533fc463786376fb6b009ed0fd64b1d
[INFO] running `Command { std: "docker" "start" "-a" "49f4b22710d232ebb992f223f5209fd71533fc463786376fb6b009ed0fd64b1d", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "49f4b22710d232ebb992f223f5209fd71533fc463786376fb6b009ed0fd64b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f4b22710d232ebb992f223f5209fd71533fc463786376fb6b009ed0fd64b1d", kill_on_drop: false }`
[INFO] [stdout] 49f4b22710d232ebb992f223f5209fd71533fc463786376fb6b009ed0fd64b1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83fd875606d7ed946337e0b3d4db974246d8400460d4f7e1dd75276e681d26fe
[INFO] running `Command { std: "docker" "start" "-a" "83fd875606d7ed946337e0b3d4db974246d8400460d4f7e1dd75276e681d26fe", 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 0.02s
[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::cast_one_to_one ... ok
[INFO] [stdout] test tests::div ... ok
[INFO] [stdout] test tests::fst_test ... ok
[INFO] [stdout] test tests::head_tail ... ok
[INFO] [stdout] test tests::mul ... ok
[INFO] [stdout] test tests::snd_test ... ok
[INFO] [stdout] test tests::sub ... ok
[INFO] [stdout] test tests::pop_back ... ok
[INFO] [stdout] test tests::add ... ok
[INFO] [stdout] test tests::trd_test ... ok
[INFO] [stdout] test tests::append ... ok
[INFO] [stdout] test tests::prepend ... ok
[INFO] [stdout] test tests::pop_front ... 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" "83fd875606d7ed946337e0b3d4db974246d8400460d4f7e1dd75276e681d26fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fd875606d7ed946337e0b3d4db974246d8400460d4f7e1dd75276e681d26fe", kill_on_drop: false }`
[INFO] [stdout] 83fd875606d7ed946337e0b3d4db974246d8400460d4f7e1dd75276e681d26fe