[INFO] cloning repository https://github.com/BailurVikramBhat/rust-everything
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BailurVikramBhat/rust-everything" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBailurVikramBhat%2Frust-everything", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBailurVikramBhat%2Frust-everything'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96a1c1391a2ae89a31918dd52a9dccf36110f374
[INFO] building BailurVikramBhat/rust-everything 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%2FBailurVikramBhat%2Frust-everything" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BailurVikramBhat/rust-everything 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/BailurVikramBhat/rust-everything
[INFO] finished tweaking git repo https://github.com/BailurVikramBhat/rust-everything
[INFO] tweaked toml for git repo https://github.com/BailurVikramBhat/rust-everything written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BailurVikramBhat/rust-everything 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]     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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9bbfb7be3212f06ba0f045a35bf0e3d4b5a4f2bc1f27fdd0307a463cd6fbc192
[INFO] running `Command { std: "docker" "start" "-a" "9bbfb7be3212f06ba0f045a35bf0e3d4b5a4f2bc1f27fdd0307a463cd6fbc192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bbfb7be3212f06ba0f045a35bf0e3d4b5a4f2bc1f27fdd0307a463cd6fbc192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbfb7be3212f06ba0f045a35bf0e3d4b5a4f2bc1f27fdd0307a463cd6fbc192", kill_on_drop: false }`
[INFO] [stdout] 9bbfb7be3212f06ba0f045a35bf0e3d4b5a4f2bc1f27fdd0307a463cd6fbc192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eae02d2d22207f6654ff533cbc0f3471f098d57562483a7d4338e552b47ed4fa
[INFO] running `Command { std: "docker" "start" "-a" "eae02d2d22207f6654ff533cbc0f3471f098d57562483a7d4338e552b47ed4fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::write`
[INFO] [stdout]  --> src/bin/a7.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red`, `Green`, `Yellow`, `White`, and `Black` are never constructed
[INFO] [stdout]   --> src/bin/a7.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | enum Color {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 5  |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 6  |     Blue,
[INFO] [stdout] 7  |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 8  |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     Black,
[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 2.02s
[INFO] running `Command { std: "docker" "inspect" "eae02d2d22207f6654ff533cbc0f3471f098d57562483a7d4338e552b47ed4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae02d2d22207f6654ff533cbc0f3471f098d57562483a7d4338e552b47ed4fa", kill_on_drop: false }`
[INFO] [stdout] eae02d2d22207f6654ff533cbc0f3471f098d57562483a7d4338e552b47ed4fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 16891cbf555d36d4a29662670ea9079109daa00165ca3e2e6b362824198bd6d2
[INFO] running `Command { std: "docker" "start" "-a" "16891cbf555d36d4a29662670ea9079109daa00165ca3e2e6b362824198bd6d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::write`
[INFO] [stdout]  --> src/bin/a7.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Red`, `Green`, `Yellow`, `White`, and `Black` are never constructed
[INFO] [stdout]   --> src/bin/a7.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | enum Color {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 5  |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 6  |     Blue,
[INFO] [stdout] 7  |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 8  |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     Black,
[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 0.63s
[INFO] running `Command { std: "docker" "inspect" "16891cbf555d36d4a29662670ea9079109daa00165ca3e2e6b362824198bd6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16891cbf555d36d4a29662670ea9079109daa00165ca3e2e6b362824198bd6d2", kill_on_drop: false }`
[INFO] [stdout] 16891cbf555d36d4a29662670ea9079109daa00165ca3e2e6b362824198bd6d2