[INFO] cloning repository https://github.com/thekingking/RustAlgorithmPractice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thekingking/RustAlgorithmPractice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekingking%2FRustAlgorithmPractice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekingking%2FRustAlgorithmPractice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e4a1285aa8ec4c8609f552406d3d8b817adcc61
[INFO] testing thekingking/RustAlgorithmPractice against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekingking%2FRustAlgorithmPractice" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thekingking/RustAlgorithmPractice on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thekingking/RustAlgorithmPractice
[INFO] finished tweaking git repo https://github.com/thekingking/RustAlgorithmPractice
[INFO] tweaked toml for git repo https://github.com/thekingking/RustAlgorithmPractice written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thekingking/RustAlgorithmPractice 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60c16a16570f60785a9c26ce93bfc247f0cb60bfcc8d4227533cd8a7337a2cbd
[INFO] running `Command { std: "docker" "start" "-a" "60c16a16570f60785a9c26ce93bfc247f0cb60bfcc8d4227533cd8a7337a2cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60c16a16570f60785a9c26ce93bfc247f0cb60bfcc8d4227533cd8a7337a2cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c16a16570f60785a9c26ce93bfc247f0cb60bfcc8d4227533cd8a7337a2cbd", kill_on_drop: false }`
[INFO] [stdout] 60c16a16570f60785a9c26ce93bfc247f0cb60bfcc8d4227533cd8a7337a2cbd
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 803d162d18fddcf5afcd8054f54ee1c75f8c29815149862821da965544dcc96a
[INFO] running `Command { std: "docker" "start" "-a" "803d162d18fddcf5afcd8054f54ee1c75f8c29815149862821da965544dcc96a", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustAlgorithmPractice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn super_egg_drop(k: i32, mut n: i32) -> i32 {
[INFO] [stdout]    |                                   ----^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `super_egg_drop` is never used
[INFO] [stdout]   --> src/main.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn super_egg_drop(k: i32, mut n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "803d162d18fddcf5afcd8054f54ee1c75f8c29815149862821da965544dcc96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803d162d18fddcf5afcd8054f54ee1c75f8c29815149862821da965544dcc96a", kill_on_drop: false }`
[INFO] [stdout] 803d162d18fddcf5afcd8054f54ee1c75f8c29815149862821da965544dcc96a
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac117c7577eae6a3ea306e006deb27a57f84ec4122fcba15e1ac6d241fbb55a
[INFO] running `Command { std: "docker" "start" "-a" "2ac117c7577eae6a3ea306e006deb27a57f84ec4122fcba15e1ac6d241fbb55a", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/RustAlgorithmPractice-1e5a0731d0a895df`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "2ac117c7577eae6a3ea306e006deb27a57f84ec4122fcba15e1ac6d241fbb55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac117c7577eae6a3ea306e006deb27a57f84ec4122fcba15e1ac6d241fbb55a", kill_on_drop: false }`
[INFO] [stdout] 2ac117c7577eae6a3ea306e006deb27a57f84ec4122fcba15e1ac6d241fbb55a