[INFO] fetching crate twobit 0.2.1...
[INFO] building twobit-0.2.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate twobit 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate twobit 0.2.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twobit 0.2.1
[INFO] finished tweaking crates.io crate twobit 0.2.1
[INFO] tweaked toml for crates.io crate twobit 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01611e6f1143b03b97df4b9534ea8c1d5fa83d5206c3576cd23d96f61c048dab
[INFO] running `Command { std: "docker" "start" "-a" "01611e6f1143b03b97df4b9534ea8c1d5fa83d5206c3576cd23d96f61c048dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01611e6f1143b03b97df4b9534ea8c1d5fa83d5206c3576cd23d96f61c048dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01611e6f1143b03b97df4b9534ea8c1d5fa83d5206c3576cd23d96f61c048dab", kill_on_drop: false }`
[INFO] [stdout] 01611e6f1143b03b97df4b9534ea8c1d5fa83d5206c3576cd23d96f61c048dab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc19bb0cc956f30159c2973ef1fe7dcaf5d9f106ac164591ed178a5325cd8fd2
[INFO] running `Command { std: "docker" "start" "-a" "bc19bb0cc956f30159c2973ef1fe7dcaf5d9f106ac164591ed178a5325cd8fd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling twobit v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/convert/mod.rs:72:45
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub trait SequenceRead<'a> {
[INFO] [stdout]    |                        -- lifetime `'a` declared here
[INFO] [stdout] 71 |     /// Return the names and lengths of the sequences (ideally in a stable order for reproducibility)
[INFO] [stdout] 72 |     fn sequence_lengths(&'a self) -> Result<&[SequenceLength], Box<dyn std::error::Error>>;
[INFO] [stdout]    |                                             ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "bc19bb0cc956f30159c2973ef1fe7dcaf5d9f106ac164591ed178a5325cd8fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc19bb0cc956f30159c2973ef1fe7dcaf5d9f106ac164591ed178a5325cd8fd2", kill_on_drop: false }`
[INFO] [stdout] bc19bb0cc956f30159c2973ef1fe7dcaf5d9f106ac164591ed178a5325cd8fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b81506b30097dcd1ecf230daa9f4854fdc16230bf11d53ea0249083f05aebc96
[INFO] running `Command { std: "docker" "start" "-a" "b81506b30097dcd1ecf230daa9f4854fdc16230bf11d53ea0249083f05aebc96", kill_on_drop: false }`
[INFO] [stderr]    Compiling twobit v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/convert/mod.rs:72:45
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub trait SequenceRead<'a> {
[INFO] [stdout]    |                        -- lifetime `'a` declared here
[INFO] [stdout] 71 |     /// Return the names and lengths of the sequences (ideally in a stable order for reproducibility)
[INFO] [stdout] 72 |     fn sequence_lengths(&'a self) -> Result<&[SequenceLength], Box<dyn std::error::Error>>;
[INFO] [stdout]    |                                             ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/convert/mod.rs:72:45
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub trait SequenceRead<'a> {
[INFO] [stdout]    |                        -- lifetime `'a` declared here
[INFO] [stdout] 71 |     /// Return the names and lengths of the sequences (ideally in a stable order for reproducibility)
[INFO] [stdout] 72 |     fn sequence_lengths(&'a self) -> Result<&[SequenceLength], Box<dyn std::error::Error>>;
[INFO] [stdout]    |                                             ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "b81506b30097dcd1ecf230daa9f4854fdc16230bf11d53ea0249083f05aebc96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81506b30097dcd1ecf230daa9f4854fdc16230bf11d53ea0249083f05aebc96", kill_on_drop: false }`
[INFO] [stdout] b81506b30097dcd1ecf230daa9f4854fdc16230bf11d53ea0249083f05aebc96