[INFO] fetching crate li2 0.0.1...
[INFO] building li2-0.0.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate li2 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate li2 0.0.1 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 li2 0.0.1
[INFO] finished tweaking crates.io crate li2 0.0.1
[INFO] tweaked toml for crates.io crate li2 0.0.1 written to /workspace/builds/worker-0-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding signature v1.6.4 (available: v2.2.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bb222c7feb7754da5f6b9cb1f6b6a432fe62a848de3960aa64d36136ccc0b556
[INFO] running `Command { std: "docker" "start" "-a" "bb222c7feb7754da5f6b9cb1f6b6a432fe62a848de3960aa64d36136ccc0b556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb222c7feb7754da5f6b9cb1f6b6a432fe62a848de3960aa64d36136ccc0b556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb222c7feb7754da5f6b9cb1f6b6a432fe62a848de3960aa64d36136ccc0b556", kill_on_drop: false }`
[INFO] [stdout] bb222c7feb7754da5f6b9cb1f6b6a432fe62a848de3960aa64d36136ccc0b556
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5236645861c26620f9b0ae08ebbe56cb6bd30562c05ab9a9368b755dc31fed4c
[INFO] running `Command { std: "docker" "start" "-a" "5236645861c26620f9b0ae08ebbe56cb6bd30562c05ab9a9368b755dc31fed4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling li2 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/lib.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Error {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "5236645861c26620f9b0ae08ebbe56cb6bd30562c05ab9a9368b755dc31fed4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5236645861c26620f9b0ae08ebbe56cb6bd30562c05ab9a9368b755dc31fed4c", kill_on_drop: false }`
[INFO] [stdout] 5236645861c26620f9b0ae08ebbe56cb6bd30562c05ab9a9368b755dc31fed4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a319a848bbd4c7a4f77538dd5f6ff96487b1f64c13bd4971414519bbc3c2b491
[INFO] running `Command { std: "docker" "start" "-a" "a319a848bbd4c7a4f77538dd5f6ff96487b1f64c13bd4971414519bbc3c2b491", kill_on_drop: false }`
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/lib.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Error {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling li2 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/lib.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Error {
[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 0.34s
[INFO] running `Command { std: "docker" "inspect" "a319a848bbd4c7a4f77538dd5f6ff96487b1f64c13bd4971414519bbc3c2b491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a319a848bbd4c7a4f77538dd5f6ff96487b1f64c13bd4971414519bbc3c2b491", kill_on_drop: false }`
[INFO] [stdout] a319a848bbd4c7a4f77538dd5f6ff96487b1f64c13bd4971414519bbc3c2b491