[INFO] cloning repository https://github.com/bchenning/conway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bchenning/conway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbchenning%2Fconway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbchenning%2Fconway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 176b927ceaa1eba3c88384713e1530bb51790446
[INFO] building bchenning/conway 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%2Fbchenning%2Fconway" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bchenning/conway 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/bchenning/conway
[INFO] finished tweaking git repo https://github.com/bchenning/conway
[INFO] tweaked toml for git repo https://github.com/bchenning/conway written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bchenning/conway 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 tui v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e0fc5a8691642b67c213efce70490b2626d305ab4bd68f0ec5e06f85b9982a8a
[INFO] running `Command { std: "docker" "start" "-a" "e0fc5a8691642b67c213efce70490b2626d305ab4bd68f0ec5e06f85b9982a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0fc5a8691642b67c213efce70490b2626d305ab4bd68f0ec5e06f85b9982a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0fc5a8691642b67c213efce70490b2626d305ab4bd68f0ec5e06f85b9982a8a", kill_on_drop: false }`
[INFO] [stdout] e0fc5a8691642b67c213efce70490b2626d305ab4bd68f0ec5e06f85b9982a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 845faccd07ded7ad24598eb68593d4c1afffaaa5ab59c1aef7898e5a3b31058d
[INFO] running `Command { std: "docker" "start" "-a" "845faccd07ded7ad24598eb68593d4c1afffaaa5ab59c1aef7898e5a3b31058d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling tui v0.16.0
[INFO] [stderr]    Compiling conway v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new`, `add`, and `to_string` are never used
[INFO] [stdout]    --> src/universe.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Universe {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21  |     pub fn new(x_size: u32, y_size: u32) -> Universe {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33  |     pub fn add(&mut self, x: u32, y: u32) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn to_string(&self) -> String {
[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 3.76s
[INFO] running `Command { std: "docker" "inspect" "845faccd07ded7ad24598eb68593d4c1afffaaa5ab59c1aef7898e5a3b31058d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "845faccd07ded7ad24598eb68593d4c1afffaaa5ab59c1aef7898e5a3b31058d", kill_on_drop: false }`
[INFO] [stdout] 845faccd07ded7ad24598eb68593d4c1afffaaa5ab59c1aef7898e5a3b31058d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ff9a27b8432480a4a4a15ff5fa9a32c3cbff7c3f785ba23f4996f820b54c8274
[INFO] running `Command { std: "docker" "start" "-a" "ff9a27b8432480a4a4a15ff5fa9a32c3cbff7c3f785ba23f4996f820b54c8274", kill_on_drop: false }`
[INFO] [stderr]    Compiling conway v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new`, `add`, and `to_string` are never used
[INFO] [stdout]    --> src/universe.rs:21:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Universe {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21  |     pub fn new(x_size: u32, y_size: u32) -> Universe {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33  |     pub fn add(&mut self, x: u32, y: u32) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn to_string(&self) -> String {
[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "ff9a27b8432480a4a4a15ff5fa9a32c3cbff7c3f785ba23f4996f820b54c8274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9a27b8432480a4a4a15ff5fa9a32c3cbff7c3f785ba23f4996f820b54c8274", kill_on_drop: false }`
[INFO] [stdout] ff9a27b8432480a4a4a15ff5fa9a32c3cbff7c3f785ba23f4996f820b54c8274