[INFO] cloning repository https://github.com/angelo-rendina-pendo/lz77
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angelo-rendina-pendo/lz77" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelo-rendina-pendo%2Flz77", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelo-rendina-pendo%2Flz77'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 841fbb18891df01cc8ad5cd476a22b4cb336f02d
[INFO] checking angelo-rendina-pendo/lz77 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelo-rendina-pendo%2Flz77" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/angelo-rendina-pendo/lz77 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/angelo-rendina-pendo/lz77
[INFO] finished tweaking git repo https://github.com/angelo-rendina-pendo/lz77
[INFO] tweaked toml for git repo https://github.com/angelo-rendina-pendo/lz77 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/angelo-rendina-pendo/lz77 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edf534fe39a16c285d7d85d6b2190e56888dc9d85d6899c8eb6eff680d57bcca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edf534fe39a16c285d7d85d6b2190e56888dc9d85d6899c8eb6eff680d57bcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edf534fe39a16c285d7d85d6b2190e56888dc9d85d6899c8eb6eff680d57bcca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf534fe39a16c285d7d85d6b2190e56888dc9d85d6899c8eb6eff680d57bcca", kill_on_drop: false }`
[INFO] [stdout] edf534fe39a16c285d7d85d6b2190e56888dc9d85d6899c8eb6eff680d57bcca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e811d13eda7bfdab459914a886b35de05e0357a513b0164ed658b934784efbd6
[INFO] running `Command { std: "docker" "start" "-a" "e811d13eda7bfdab459914a886b35de05e0357a513b0164ed658b934784efbd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking lz77 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `from_string`
[INFO] [stdout]  --> src/lz77/encode.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn from_string<U>(input: &str) -> Vec<Code<char, U>>
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_string`
[INFO] [stdout]  --> src/lz77/decode.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn to_string<U>(encoded: &[Code<char, U>]) -> String
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mem_size`
[INFO] [stdout]   --> src/lz77/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn mem_size() -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mem_size`
[INFO] [stdout]   --> src/lz77/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn mem_size() -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.41s
[INFO] running `Command { std: "docker" "inspect" "e811d13eda7bfdab459914a886b35de05e0357a513b0164ed658b934784efbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e811d13eda7bfdab459914a886b35de05e0357a513b0164ed658b934784efbd6", kill_on_drop: false }`
[INFO] [stdout] e811d13eda7bfdab459914a886b35de05e0357a513b0164ed658b934784efbd6