[INFO] fetching crate grub_mkconfig_lib 0.1.0...
[INFO] building grub_mkconfig_lib-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate grub_mkconfig_lib 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate grub_mkconfig_lib 0.1.0 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 grub_mkconfig_lib 0.1.0
[INFO] finished tweaking crates.io crate grub_mkconfig_lib 0.1.0
[INFO] tweaked toml for crates.io crate grub_mkconfig_lib 0.1.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding shell-quote v0.5.0 (available: v0.7.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shell-quote v0.5.0
[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] 954867da90457b48534e0551a5cd91b526ec85a6a1b376920e4711ff7356a4b3
[INFO] running `Command { std: "docker" "start" "-a" "954867da90457b48534e0551a5cd91b526ec85a6a1b376920e4711ff7356a4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "954867da90457b48534e0551a5cd91b526ec85a6a1b376920e4711ff7356a4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954867da90457b48534e0551a5cd91b526ec85a6a1b376920e4711ff7356a4b3", kill_on_drop: false }`
[INFO] [stdout] 954867da90457b48534e0551a5cd91b526ec85a6a1b376920e4711ff7356a4b3
[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] dd8a65326cca9072a7632c3cdaacea9bfde332ca951a83f69ec8b3b47a8e1027
[INFO] running `Command { std: "docker" "start" "-a" "dd8a65326cca9072a7632c3cdaacea9bfde332ca951a83f69ec8b3b47a8e1027", kill_on_drop: false }`
[INFO] [stderr]    Compiling indent v0.1.1
[INFO] [stderr]    Compiling shell-quote v0.5.0
[INFO] [stderr]    Compiling whoami v1.5.2
[INFO] [stderr]    Compiling grub_mkconfig_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AddTab` is never used
[INFO] [stdout]   --> src/misc.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | trait AddTab {
[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 0.33s
[INFO] running `Command { std: "docker" "inspect" "dd8a65326cca9072a7632c3cdaacea9bfde332ca951a83f69ec8b3b47a8e1027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8a65326cca9072a7632c3cdaacea9bfde332ca951a83f69ec8b3b47a8e1027", kill_on_drop: false }`
[INFO] [stdout] dd8a65326cca9072a7632c3cdaacea9bfde332ca951a83f69ec8b3b47a8e1027
[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] 35783a541dd3ded89568d9f34d6b1c97e7cba1dfe9146328bd3eeb8d4b6e0dfc
[INFO] running `Command { std: "docker" "start" "-a" "35783a541dd3ded89568d9f34d6b1c97e7cba1dfe9146328bd3eeb8d4b6e0dfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling grub_mkconfig_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AddTab` is never used
[INFO] [stdout]   --> src/misc.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | trait AddTab {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AddTab` is never used
[INFO] [stdout]   --> src/misc.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | trait AddTab {
[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 0.23s
[INFO] running `Command { std: "docker" "inspect" "35783a541dd3ded89568d9f34d6b1c97e7cba1dfe9146328bd3eeb8d4b6e0dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35783a541dd3ded89568d9f34d6b1c97e7cba1dfe9146328bd3eeb8d4b6e0dfc", kill_on_drop: false }`
[INFO] [stdout] 35783a541dd3ded89568d9f34d6b1c97e7cba1dfe9146328bd3eeb8d4b6e0dfc