[INFO] fetching crate zjson 0.1.5...
[INFO] building zjson-0.1.5 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate zjson 0.1.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate zjson 0.1.5 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 zjson 0.1.5
[INFO] finished tweaking crates.io crate zjson 0.1.5
[INFO] tweaked toml for crates.io crate zjson 0.1.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate zjson 0.1.5 already has a lockfile, it will not be regenerated
[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] 0c877b6188adfc1f3995e980e5e379acd6863735884410bd4a17cb29030e1e58
[INFO] running `Command { std: "docker" "start" "-a" "0c877b6188adfc1f3995e980e5e379acd6863735884410bd4a17cb29030e1e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c877b6188adfc1f3995e980e5e379acd6863735884410bd4a17cb29030e1e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c877b6188adfc1f3995e980e5e379acd6863735884410bd4a17cb29030e1e58", kill_on_drop: false }`
[INFO] [stdout] 0c877b6188adfc1f3995e980e5e379acd6863735884410bd4a17cb29030e1e58
[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] cc8303ca982207034e9b849faa6f526728c6d0eb76a52438a6a53b1eb0862ac6
[INFO] running `Command { std: "docker" "start" "-a" "cc8303ca982207034e9b849faa6f526728c6d0eb76a52438a6a53b1eb0862ac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling zjson v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "cc8303ca982207034e9b849faa6f526728c6d0eb76a52438a6a53b1eb0862ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8303ca982207034e9b849faa6f526728c6d0eb76a52438a6a53b1eb0862ac6", kill_on_drop: false }`
[INFO] [stdout] cc8303ca982207034e9b849faa6f526728c6d0eb76a52438a6a53b1eb0862ac6
[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] d34a02b85dd2f9c2dd7f23c978a726bf1bfd3b78506136d9ca1128ad38526c5f
[INFO] running `Command { std: "docker" "start" "-a" "d34a02b85dd2f9c2dd7f23c978a726bf1bfd3b78506136d9ca1128ad38526c5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling zjson v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `number` and `literal` are never used
[INFO] [stdout]   --> lib/test_parent.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'json> TestParent<'json> {
[INFO] [stdout]    | ----------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn number(&mut self) -> Number<'json, '_> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn literal(&mut self) -> Literal<'json, '_> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "d34a02b85dd2f9c2dd7f23c978a726bf1bfd3b78506136d9ca1128ad38526c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34a02b85dd2f9c2dd7f23c978a726bf1bfd3b78506136d9ca1128ad38526c5f", kill_on_drop: false }`
[INFO] [stdout] d34a02b85dd2f9c2dd7f23c978a726bf1bfd3b78506136d9ca1128ad38526c5f