[INFO] fetching crate twobit 0.1.1...
[INFO] testing twobit-0.1.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate twobit 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate twobit 0.1.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twobit 0.1.1
[INFO] finished tweaking crates.io crate twobit 0.1.1
[INFO] tweaked toml for crates.io crate twobit 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d09674af35de7a789936e7fd598cf2dd894980d9dbccb08761d9a62ce1df1deb
[INFO] running `Command { std: "docker" "start" "-a" "d09674af35de7a789936e7fd598cf2dd894980d9dbccb08761d9a62ce1df1deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d09674af35de7a789936e7fd598cf2dd894980d9dbccb08761d9a62ce1df1deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09674af35de7a789936e7fd598cf2dd894980d9dbccb08761d9a62ce1df1deb", kill_on_drop: false }`
[INFO] [stdout] d09674af35de7a789936e7fd598cf2dd894980d9dbccb08761d9a62ce1df1deb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576bf09fe520d41c5fea9b15993f664f608d3464143158610c3089a27539d469
[INFO] running `Command { std: "docker" "start" "-a" "576bf09fe520d41c5fea9b15993f664f608d3464143158610c3089a27539d469", kill_on_drop: false }`
[INFO] [stderr]    Compiling twobit v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `twobit_version`
[INFO] [stdout]   --> src/value_reader.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     twobit_version: Field,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "576bf09fe520d41c5fea9b15993f664f608d3464143158610c3089a27539d469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576bf09fe520d41c5fea9b15993f664f608d3464143158610c3089a27539d469", kill_on_drop: false }`
[INFO] [stdout] 576bf09fe520d41c5fea9b15993f664f608d3464143158610c3089a27539d469
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8519d33e1835c01fcd60ad0ac4b38de3c47168961fc4dc5ae44ca219b6e83b3f
[INFO] running `Command { std: "docker" "start" "-a" "8519d33e1835c01fcd60ad0ac4b38de3c47168961fc4dc5ae44ca219b6e83b3f", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `twobit_version`
[INFO] [stdout]   --> src/value_reader.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     twobit_version: Field,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling twobit v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `twobit_version`
[INFO] [stdout]   --> src/value_reader.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     twobit_version: Field,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "8519d33e1835c01fcd60ad0ac4b38de3c47168961fc4dc5ae44ca219b6e83b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8519d33e1835c01fcd60ad0ac4b38de3c47168961fc4dc5ae44ca219b6e83b3f", kill_on_drop: false }`
[INFO] [stdout] 8519d33e1835c01fcd60ad0ac4b38de3c47168961fc4dc5ae44ca219b6e83b3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c95accf598fe7c2b9a9b16f60a449510fc12c261b00bd5b8e82cdfe74b0a08ab
[INFO] running `Command { std: "docker" "start" "-a" "c95accf598fe7c2b9a9b16f60a449510fc12c261b00bd5b8e82cdfe74b0a08ab", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `twobit_version`
[INFO] [stderr]   --> src/value_reader.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     twobit_version: Field,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `twobit_version`
[INFO] [stderr]   --> src/value_reader.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     twobit_version: Field,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twobit-a3b01c319b26124e)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test block::tests::test_overlap ... ok
[INFO] [stderr]    Doc-tests twobit
[INFO] [stdout] test tests::test_bases ... ok
[INFO] [stdout] test tests::test_chroms ... ok
[INFO] [stdout] test tests::test_soft_masked_blocks ... ok
[INFO] [stdout] test value_reader::tests::test_slice_to_field ... ok
[INFO] [stdout] test tests::test_info ... ok
[INFO] [stdout] test tests::test_hard_masked_blocks ... ok
[INFO] [stdout] test tests::test_full_sequence ... ok
[INFO] [stdout] test tests::test_full_bases ... ok
[INFO] [stdout] test tests::test_sequence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - TwoBitFile (line 66) ... ok
[INFO] [stdout] test src/lib.rs - TwoBitFile (line 42) ... ok
[INFO] [stdout] test src/lib.rs - TwoBitFile (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c95accf598fe7c2b9a9b16f60a449510fc12c261b00bd5b8e82cdfe74b0a08ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95accf598fe7c2b9a9b16f60a449510fc12c261b00bd5b8e82cdfe74b0a08ab", kill_on_drop: false }`
[INFO] [stdout] c95accf598fe7c2b9a9b16f60a449510fc12c261b00bd5b8e82cdfe74b0a08ab