[INFO] cloning repository https://github.com/acmfeira/button-progress
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acmfeira/button-progress" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmfeira%2Fbutton-progress", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmfeira%2Fbutton-progress'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b74c71491346cd2bbca9af346dfd41a3126822fd
[INFO] building acmfeira/button-progress against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmfeira%2Fbutton-progress" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acmfeira/button-progress 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 git repo https://github.com/acmfeira/button-progress
[INFO] finished tweaking git repo https://github.com/acmfeira/button-progress
[INFO] tweaked toml for git repo https://github.com/acmfeira/button-progress written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/acmfeira/button-progress 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fltk v1.3.18
[INFO] [stderr]   Downloaded fltk-sys v1.3.17
[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] cce2952111f6ec5fab0852c374fc3695247a401e32c991450009b0fbb79cc045
[INFO] running `Command { std: "docker" "start" "-a" "cce2952111f6ec5fab0852c374fc3695247a401e32c991450009b0fbb79cc045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cce2952111f6ec5fab0852c374fc3695247a401e32c991450009b0fbb79cc045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce2952111f6ec5fab0852c374fc3695247a401e32c991450009b0fbb79cc045", kill_on_drop: false }`
[INFO] [stdout] cce2952111f6ec5fab0852c374fc3695247a401e32c991450009b0fbb79cc045
[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] 9f1baf5ff32d548f61327326dd28ed10ff4ce57eb35e207739a5d777d9278b1d
[INFO] running `Command { std: "docker" "start" "-a" "9f1baf5ff32d548f61327326dd28ed10ff4ce57eb35e207739a5d777d9278b1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling ttf-parser v0.17.1
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling fltk-sys v1.3.17
[INFO] [stderr]    Compiling fltk v1.3.18
[INFO] [stderr]    Compiling button-progress v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |     bt.set_callback(move |x|{
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.58s
[INFO] running `Command { std: "docker" "inspect" "9f1baf5ff32d548f61327326dd28ed10ff4ce57eb35e207739a5d777d9278b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1baf5ff32d548f61327326dd28ed10ff4ce57eb35e207739a5d777d9278b1d", kill_on_drop: false }`
[INFO] [stdout] 9f1baf5ff32d548f61327326dd28ed10ff4ce57eb35e207739a5d777d9278b1d
[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] 1942da662c488dad9c2789a34bb1c746d11943588f492a1c715f1e645ba7c86c
[INFO] running `Command { std: "docker" "start" "-a" "1942da662c488dad9c2789a34bb1c746d11943588f492a1c715f1e645ba7c86c", kill_on_drop: false }`
[INFO] [stderr]    Compiling button-progress v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/main.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |     bt.set_callback(move |x|{
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "1942da662c488dad9c2789a34bb1c746d11943588f492a1c715f1e645ba7c86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1942da662c488dad9c2789a34bb1c746d11943588f492a1c715f1e645ba7c86c", kill_on_drop: false }`
[INFO] [stdout] 1942da662c488dad9c2789a34bb1c746d11943588f492a1c715f1e645ba7c86c