[INFO] cloning repository https://github.com/LittleGuest/t-2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LittleGuest/t-2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleGuest%2Ft-2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleGuest%2Ft-2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84ff4b27261131bcc5d5702056538d2a5f86171b
[INFO] checking LittleGuest/t-2048 against master#c756124775121dea0e640652c5ee3c89e3dd0eb4 for pr-154971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleGuest%2Ft-2048" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LittleGuest/t-2048
[INFO] finished tweaking git repo https://github.com/LittleGuest/t-2048
[INFO] tweaked toml for git repo https://github.com/LittleGuest/t-2048 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LittleGuest/t-2048 on toolchain c756124775121dea0e640652c5ee3c89e3dd0eb4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LittleGuest/t-2048 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" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a224c430bee6ce016f7ad1fa2c2bce6e8d9bfcc133142daaccbd1a81effdb03d
[INFO] running `Command { std: "docker" "start" "-a" "a224c430bee6ce016f7ad1fa2c2bce6e8d9bfcc133142daaccbd1a81effdb03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a224c430bee6ce016f7ad1fa2c2bce6e8d9bfcc133142daaccbd1a81effdb03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a224c430bee6ce016f7ad1fa2c2bce6e8d9bfcc133142daaccbd1a81effdb03d", kill_on_drop: false }`
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[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c756124775121dea0e640652c5ee3c89e3dd0eb4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6704f39d1b9f72d30df0eda9d296b59e35f106b1b05e9416a6310e3558c3a3c
[INFO] running `Command { std: "docker" "start" "-a" "b6704f39d1b9f72d30df0eda9d296b59e35f106b1b05e9416a6310e3558c3a3c", kill_on_drop: false }`
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[INFO] [stderr]     Checking t-2048 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `position` is never used
[INFO] [stdout]   --> src/util.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn position() -> (usize, usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `odd` is never used
[INFO] [stdout]   --> src/util.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn odd(n: usize) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `position` is never used
[INFO] [stdout]   --> src/util.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn position() -> (usize, usize) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `odd` is never used
[INFO] [stdout]   --> src/util.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn odd(n: usize) -> bool {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "b6704f39d1b9f72d30df0eda9d296b59e35f106b1b05e9416a6310e3558c3a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6704f39d1b9f72d30df0eda9d296b59e35f106b1b05e9416a6310e3558c3a3c", kill_on_drop: false }`
[INFO] [stdout] b6704f39d1b9f72d30df0eda9d296b59e35f106b1b05e9416a6310e3558c3a3c
