[INFO] fetching crate image-maker 0.1.3...
[INFO] building image-maker-0.1.3 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate image-maker 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate image-maker 0.1.3 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] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate image-maker 0.1.3
[INFO] finished tweaking crates.io crate image-maker 0.1.3
[INFO] tweaked toml for crates.io crate image-maker 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate image-maker 0.1.3 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easy-fs v0.1.1
[INFO] [stderr]   Downloaded tianmu-fs v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7440818d6628fa1ad609bd97e37c8e168c2fe14fa90ca4145081a5489d367da7
[INFO] running `Command { std: "docker" "start" "-a" "7440818d6628fa1ad609bd97e37c8e168c2fe14fa90ca4145081a5489d367da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7440818d6628fa1ad609bd97e37c8e168c2fe14fa90ca4145081a5489d367da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7440818d6628fa1ad609bd97e37c8e168c2fe14fa90ca4145081a5489d367da7", kill_on_drop: false }`
[INFO] [stdout] 7440818d6628fa1ad609bd97e37c8e168c2fe14fa90ca4145081a5489d367da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6eab9d316b890057f09403a2b3c8398cc45e87c98c171788923ca1c5a3d4e6eb
[INFO] running `Command { std: "docker" "start" "-a" "6eab9d316b890057f09403a2b3c8398cc45e87c98c171788923ca1c5a3d4e6eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling easy-fs v0.1.1
[INFO] [stderr]    Compiling tianmu-fs v0.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling image-maker v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `print_super_block` is never used
[INFO] [stdout]  --> src/test.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<T:MakeSystem> Maker<T> {
[INFO] [stdout]   | --------------------------- method in this implementation
[INFO] [stdout] 6 |     pub fn print_super_block(&mut self) {
[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 3.38s
[INFO] running `Command { std: "docker" "inspect" "6eab9d316b890057f09403a2b3c8398cc45e87c98c171788923ca1c5a3d4e6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eab9d316b890057f09403a2b3c8398cc45e87c98c171788923ca1c5a3d4e6eb", kill_on_drop: false }`
[INFO] [stdout] 6eab9d316b890057f09403a2b3c8398cc45e87c98c171788923ca1c5a3d4e6eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c7571cd0b65caad82a74925da5d8d3f7a09d7cbe867690fd9004080c8fa81fd6
[INFO] running `Command { std: "docker" "start" "-a" "c7571cd0b65caad82a74925da5d8d3f7a09d7cbe867690fd9004080c8fa81fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling image-maker v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "c7571cd0b65caad82a74925da5d8d3f7a09d7cbe867690fd9004080c8fa81fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7571cd0b65caad82a74925da5d8d3f7a09d7cbe867690fd9004080c8fa81fd6", kill_on_drop: false }`
[INFO] [stdout] c7571cd0b65caad82a74925da5d8d3f7a09d7cbe867690fd9004080c8fa81fd6