[INFO] cloning repository https://github.com/Guilherme-De-Marchi/communi-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Guilherme-De-Marchi/communi-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuilherme-De-Marchi%2Fcommuni-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGuilherme-De-Marchi%2Fcommuni-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da90ad2351880d30c9d3758ba7ab64c3c83a842a
[INFO] building Guilherme-De-Marchi/communi-rs 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%2FGuilherme-De-Marchi%2Fcommuni-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Guilherme-De-Marchi/communi-rs 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/Guilherme-De-Marchi/communi-rs
[INFO] finished tweaking git repo https://github.com/Guilherme-De-Marchi/communi-rs
[INFO] tweaked toml for git repo https://github.com/Guilherme-De-Marchi/communi-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Guilherme-De-Marchi/communi-rs 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 text_io v0.1.12
[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] bcdfbe07cc6c72eee27503a2e264f11fe81af52963be14f999d1fc35acc56723
[INFO] running `Command { std: "docker" "start" "-a" "bcdfbe07cc6c72eee27503a2e264f11fe81af52963be14f999d1fc35acc56723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcdfbe07cc6c72eee27503a2e264f11fe81af52963be14f999d1fc35acc56723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcdfbe07cc6c72eee27503a2e264f11fe81af52963be14f999d1fc35acc56723", kill_on_drop: false }`
[INFO] [stdout] bcdfbe07cc6c72eee27503a2e264f11fe81af52963be14f999d1fc35acc56723
[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] b83079baf6bc1c4311a1e600220a7328bf203d6e72fa6f4f1f9d3c1335104017
[INFO] running `Command { std: "docker" "start" "-a" "b83079baf6bc1c4311a1e600220a7328bf203d6e72fa6f4f1f9d3c1335104017", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_io v0.1.12
[INFO] [stderr]    Compiling communi-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/commands.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpsc`
[INFO] [stdout]  --> src/commands.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{mpsc, Mutex, Arc};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mutex` and `mpsc`
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::{mpsc, Mutex};
[INFO] [stdout]   |                 ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "b83079baf6bc1c4311a1e600220a7328bf203d6e72fa6f4f1f9d3c1335104017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83079baf6bc1c4311a1e600220a7328bf203d6e72fa6f4f1f9d3c1335104017", kill_on_drop: false }`
[INFO] [stdout] b83079baf6bc1c4311a1e600220a7328bf203d6e72fa6f4f1f9d3c1335104017
[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] f4906ec2d9f5a915e1b77385e3fe6b32d066c0484d69e0e209e375e5b55e1d60
[INFO] running `Command { std: "docker" "start" "-a" "f4906ec2d9f5a915e1b77385e3fe6b32d066c0484d69e0e209e375e5b55e1d60", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/commands.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling communi-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mpsc`
[INFO] [stdout]  --> src/commands.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{mpsc, Mutex, Arc};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mutex` and `mpsc`
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::{mpsc, Mutex};
[INFO] [stdout]   |                 ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/commands.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mpsc`
[INFO] [stdout]  --> src/commands.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{mpsc, Mutex, Arc};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mutex` and `mpsc`
[INFO] [stdout]  --> src/lib.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::{mpsc, Mutex};
[INFO] [stdout]   |                 ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "f4906ec2d9f5a915e1b77385e3fe6b32d066c0484d69e0e209e375e5b55e1d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4906ec2d9f5a915e1b77385e3fe6b32d066c0484d69e0e209e375e5b55e1d60", kill_on_drop: false }`
[INFO] [stdout] f4906ec2d9f5a915e1b77385e3fe6b32d066c0484d69e0e209e375e5b55e1d60