[INFO] fetching crate tupletools 0.4.1...
[INFO] building tupletools-0.4.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tupletools 0.4.1 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tupletools 0.4.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7e0c0fc538582953d8f2c15515bfeb359cae95826d3844ebf6265578dd3df6d
[INFO] running `Command { std: "docker" "start" "-a" "b7e0c0fc538582953d8f2c15515bfeb359cae95826d3844ebf6265578dd3df6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7e0c0fc538582953d8f2c15515bfeb359cae95826d3844ebf6265578dd3df6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e0c0fc538582953d8f2c15515bfeb359cae95826d3844ebf6265578dd3df6d", kill_on_drop: false }`
[INFO] [stdout] b7e0c0fc538582953d8f2c15515bfeb359cae95826d3844ebf6265578dd3df6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9667e4ae4dfffbdace584be4e7af906e304523b6b43f732eadbb1f1e4b5766e4
[INFO] running `Command { std: "docker" "start" "-a" "9667e4ae4dfffbdace584be4e7af906e304523b6b43f732eadbb1f1e4b5766e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tupletools v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[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] running `Command { std: "docker" "inspect" "9667e4ae4dfffbdace584be4e7af906e304523b6b43f732eadbb1f1e4b5766e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9667e4ae4dfffbdace584be4e7af906e304523b6b43f732eadbb1f1e4b5766e4", kill_on_drop: false }`
[INFO] [stdout] 9667e4ae4dfffbdace584be4e7af906e304523b6b43f732eadbb1f1e4b5766e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cc3e377ca1ceaab1b985c34804e005947e45d68cc78f1795cd1445bc07b93e0
[INFO] running `Command { std: "docker" "start" "-a" "7cc3e377ca1ceaab1b985c34804e005947e45d68cc78f1795cd1445bc07b93e0", 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" "7cc3e377ca1ceaab1b985c34804e005947e45d68cc78f1795cd1445bc07b93e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc3e377ca1ceaab1b985c34804e005947e45d68cc78f1795cd1445bc07b93e0", kill_on_drop: false }`
[INFO] [stdout] 7cc3e377ca1ceaab1b985c34804e005947e45d68cc78f1795cd1445bc07b93e0