[INFO] cloning repository https://github.com/theophilus-hub/Printer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theophilus-hub/Printer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheophilus-hub%2FPrinter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheophilus-hub%2FPrinter'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheophilus-hub%2FPrinter: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/theophilus-hub/Printer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theophilus-hub/Printer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheophilus-hub%2FPrinter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheophilus-hub%2FPrinter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d91c10c9629cb1061151c2b7187195fb34378187
[INFO] checking theophilus-hub/Printer against master#4b596bbd847672da87763b76171687d3544863c2 for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheophilus-hub%2FPrinter" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/theophilus-hub/Printer
[INFO] finished tweaking git repo https://github.com/theophilus-hub/Printer
[INFO] tweaked toml for git repo https://github.com/theophilus-hub/Printer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/theophilus-hub/Printer on toolchain 4b596bbd847672da87763b76171687d3544863c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/theophilus-hub/Printer 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" "+4b596bbd847672da87763b76171687d3544863c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98b1390e186a1929ecd661df627d03d17688c2d030214f2bc918eff0c6432314
[INFO] running `Command { std: "docker" "start" "-a" "98b1390e186a1929ecd661df627d03d17688c2d030214f2bc918eff0c6432314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98b1390e186a1929ecd661df627d03d17688c2d030214f2bc918eff0c6432314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b1390e186a1929ecd661df627d03d17688c2d030214f2bc918eff0c6432314", kill_on_drop: false }`
[INFO] [stdout] 98b1390e186a1929ecd661df627d03d17688c2d030214f2bc918eff0c6432314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 043d3ccc91c30bc9900f02ae06698a66087f24e5aa02c24f160c7d3a30d13a11
[INFO] running `Command { std: "docker" "start" "-a" "043d3ccc91c30bc9900f02ae06698a66087f24e5aa02c24f160c7d3a30d13a11", kill_on_drop: false }`
[INFO] [stderr]     Checking painter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `sq` is never used
[INFO] [stdout]  --> src/square.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sq(m:i32, n:i32) {
[INFO] [stdout]   |        ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `letter` is never used
[INFO] [stdout]  --> src/mmm.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn letter(m:i32, n:i32) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sq` is never used
[INFO] [stdout]  --> src/square.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sq(m:i32, n:i32) {
[INFO] [stdout]   |        ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `letter` is never used
[INFO] [stdout]  --> src/mmm.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn letter(m:i32, n:i32) {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "043d3ccc91c30bc9900f02ae06698a66087f24e5aa02c24f160c7d3a30d13a11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043d3ccc91c30bc9900f02ae06698a66087f24e5aa02c24f160c7d3a30d13a11", kill_on_drop: false }`
[INFO] [stdout] 043d3ccc91c30bc9900f02ae06698a66087f24e5aa02c24f160c7d3a30d13a11