[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] testing angelo-rendina-pendo/lz77 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelo-rendina-pendo%2Flz77" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/angelo-rendina-pendo/lz77 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-51/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c311c8c8a538951924ff9ef7236d4510e0339ce662e451f4a655ea0da62e10fe
[INFO] running `Command { std: "docker" "start" "-a" "c311c8c8a538951924ff9ef7236d4510e0339ce662e451f4a655ea0da62e10fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c311c8c8a538951924ff9ef7236d4510e0339ce662e451f4a655ea0da62e10fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c311c8c8a538951924ff9ef7236d4510e0339ce662e451f4a655ea0da62e10fe", kill_on_drop: false }`
[INFO] [stdout] c311c8c8a538951924ff9ef7236d4510e0339ce662e451f4a655ea0da62e10fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c18199477cf3e5c6ea1b7a26e583178ecbaa9b36ca99a161037d3467ea72188
[INFO] running `Command { std: "docker" "start" "-a" "0c18199477cf3e5c6ea1b7a26e583178ecbaa9b36ca99a161037d3467ea72188", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[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 lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.8
[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]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.17s
[INFO] running `Command { std: "docker" "inspect" "0c18199477cf3e5c6ea1b7a26e583178ecbaa9b36ca99a161037d3467ea72188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c18199477cf3e5c6ea1b7a26e583178ecbaa9b36ca99a161037d3467ea72188", kill_on_drop: false }`
[INFO] [stdout] 0c18199477cf3e5c6ea1b7a26e583178ecbaa9b36ca99a161037d3467ea72188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5068288141a54edf21c5e3a76db4b65399464108083a84ff407d1c6b49360b52
[INFO] running `Command { std: "docker" "start" "-a" "5068288141a54edf21c5e3a76db4b65399464108083a84ff407d1c6b49360b52", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lz77 v0.1.0 (/opt/rustwide/workdir)
[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 test [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "5068288141a54edf21c5e3a76db4b65399464108083a84ff407d1c6b49360b52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5068288141a54edf21c5e3a76db4b65399464108083a84ff407d1c6b49360b52", kill_on_drop: false }`
[INFO] [stdout] 5068288141a54edf21c5e3a76db4b65399464108083a84ff407d1c6b49360b52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] acfbfadc58bf5ca3d29f3ea7bcfb1c3e30f05aa6d4fbe3ec435358fb5443e232
[INFO] running `Command { std: "docker" "start" "-a" "acfbfadc58bf5ca3d29f3ea7bcfb1c3e30f05aa6d4fbe3ec435358fb5443e232", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `mem_size`
[INFO] [stderr]   --> src/lz77/mod.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn mem_size() -> usize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lz77` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lz77-17fe8f276a19ca26)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lz77-218637571cc5f911)
[INFO] [stdout] test lz77::decode::decode::literals_and_segments ... ok
[INFO] [stdout] test lz77::decode::decode::literals_and_segments_with_chars ... ok
[INFO] [stdout] test lz77::decode::to_string::empty_encoding ... ok
[INFO] [stdout] test lz77::decode::decode::only_literals ... ok
[INFO] [stdout] test lz77::decode::to_string::only_literals ... ok
[INFO] [stdout] test lz77::encode::encode::no_matches ... ok
[INFO] [stdout] test lz77::encode::encode::some_matches ... ok
[INFO] [stdout] test lz77::encode::find_code::ignore_match_at_end ... ok
[INFO] [stdout] test lz77::encode::find_code::match_ignoring_last_is_longest ... ok
[INFO] [stdout] test lz77::decode::to_string::some_matches ... ok
[INFO] [stdout] test lz77::encode::find_code::match_ignoring_last_is_rightmost ... ok
[INFO] [stdout] test lz77::encode::find_code::match_is_rightmost ... ok
[INFO] [stdout] test lz77::encode::find_code::no_match ... ok
[INFO] [stdout] test lz77::encode::find_code::trivial_match_with_next ... ok
[INFO] [stdout] test lz77::encode::from_string::empty_string ... ok
[INFO] [stdout] test lz77::encode::from_string::string_some_matches ... ok
[INFO] [stdout] test lz77::encode::find_code::match_is_longest ... ok
[INFO] [stdout] test lz77::encode::rfind::empty_window ... ok
[INFO] [stdout] test lz77::encode::from_string::string_no_matches ... ok
[INFO] [stdout] test lz77::encode::rfind::short_window ... ok
[INFO] [stdout] test lz77::encode::rfind::rightmost_match ... ok
[INFO] [stdout] test lz77::encode::rfind::trivial_match ... ok
[INFO] [stdout] test lz77::encode::rfind::no_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test lz77::decode::decode::literals_and_segments_with_chars ... ok
[INFO] [stdout] test lz77::decode::decode::only_literals ... ok
[INFO] [stdout] test lz77::decode::to_string::empty_encoding ... ok
[INFO] [stdout] test lz77::decode::to_string::only_literals ... ok
[INFO] [stdout] test lz77::decode::to_string::some_matches ... ok
[INFO] [stdout] test lz77::encode::encode::no_matches ... ok
[INFO] [stdout] test lz77::encode::encode::some_matches ... ok
[INFO] [stdout] test lz77::encode::find_code::ignore_match_at_end ... ok
[INFO] [stdout] test lz77::encode::find_code::match_ignoring_last_is_longest ... ok
[INFO] [stdout] test lz77::encode::find_code::match_ignoring_last_is_rightmost ... ok
[INFO] [stdout] test lz77::encode::rfind::short_window ... ok
[INFO] [stdout] test lz77::encode::from_string::string_no_matches ... ok
[INFO] [stdout] test lz77::encode::rfind::trivial_match ... ok
[INFO] [stdout] test lz77::encode::find_code::match_is_longest ... ok
[INFO] [stdout] test lz77::encode::rfind::empty_window ... ok
[INFO] [stdout] test lz77::encode::find_code::trivial_match_with_next ... ok
[INFO] [stdout] test lz77::encode::from_string::string_some_matches ... ok
[INFO] [stdout] test lz77::decode::decode::literals_and_segments ... ok
[INFO] [stdout] test lz77::encode::find_code::match_is_rightmost ... ok
[INFO] [stdout] test lz77::encode::from_string::empty_string ... ok
[INFO] [stdout] test lz77::encode::rfind::no_match ... ok
[INFO] [stdout] test lz77::encode::rfind::rightmost_match ... ok
[INFO] [stdout] test lz77::encode::find_code::no_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "acfbfadc58bf5ca3d29f3ea7bcfb1c3e30f05aa6d4fbe3ec435358fb5443e232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acfbfadc58bf5ca3d29f3ea7bcfb1c3e30f05aa6d4fbe3ec435358fb5443e232", kill_on_drop: false }`
[INFO] [stdout] acfbfadc58bf5ca3d29f3ea7bcfb1c3e30f05aa6d4fbe3ec435358fb5443e232