[INFO] cloning repository https://github.com/z78078/squeeze [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/z78078/squeeze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz78078%2Fsqueeze", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz78078%2Fsqueeze'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 36de2ab032f4fc6c9d2c5d5614f1781df9a258d9 [INFO] testing z78078/squeeze against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz78078%2Fsqueeze" "/workspace/builds/worker-111/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/z78078/squeeze on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/z78078/squeeze [INFO] finished tweaking git repo https://github.com/z78078/squeeze [INFO] tweaked toml for git repo https://github.com/z78078/squeeze written to /workspace/builds/worker-111/source/Cargo.toml [INFO] crate git repo https://github.com/z78078/squeeze already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 410ec05a054f12d3fcfd2ffcba69789a9722180f40e29988618226ccfded9425 [INFO] running `Command { std: "docker" "start" "-a" "410ec05a054f12d3fcfd2ffcba69789a9722180f40e29988618226ccfded9425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "410ec05a054f12d3fcfd2ffcba69789a9722180f40e29988618226ccfded9425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "410ec05a054f12d3fcfd2ffcba69789a9722180f40e29988618226ccfded9425", kill_on_drop: false }` [INFO] [stdout] 410ec05a054f12d3fcfd2ffcba69789a9722180f40e29988618226ccfded9425 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ed908734afd6c44b3fc80ac34d200b1b1e9c8f6b1c92699c2e9a33103a5c5ad [INFO] running `Command { std: "docker" "start" "-a" "7ed908734afd6c44b3fc80ac34d200b1b1e9c8f6b1c92699c2e9a33103a5c5ad", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.88 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Compiling clap v3.1.6 [INFO] [stderr] Compiling squeeze v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn compress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn compress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 53.98s [INFO] running `Command { std: "docker" "inspect" "7ed908734afd6c44b3fc80ac34d200b1b1e9c8f6b1c92699c2e9a33103a5c5ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ed908734afd6c44b3fc80ac34d200b1b1e9c8f6b1c92699c2e9a33103a5c5ad", kill_on_drop: false }` [INFO] [stdout] 7ed908734afd6c44b3fc80ac34d200b1b1e9c8f6b1c92699c2e9a33103a5c5ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c23c5fcf773cd23d56942b79c08d764830dd1a29b79c2e884d55c63905dc23c [INFO] running `Command { std: "docker" "start" "-a" "3c23c5fcf773cd23d56942b79c08d764830dd1a29b79c2e884d55c63905dc23c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn compress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling squeeze v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn compress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn compress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | fn compress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/compressor/lz77.rs:11:26 [INFO] [stdout] | [INFO] [stdout] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 7.24s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/squeeze-3d36c5e9d439d294) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/squeeze-ac9ce4e1de1f7d7c) [INFO] [stderr] Executable tests/compressors_test.rs (/opt/rustwide/target/debug/deps/compressors_test-c18e71efeb6faf83) [INFO] running `Command { std: "docker" "inspect" "3c23c5fcf773cd23d56942b79c08d764830dd1a29b79c2e884d55c63905dc23c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c23c5fcf773cd23d56942b79c08d764830dd1a29b79c2e884d55c63905dc23c", kill_on_drop: false }` [INFO] [stdout] 3c23c5fcf773cd23d56942b79c08d764830dd1a29b79c2e884d55c63905dc23c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 27269955e5d2a16ad342b267e1fa52419456685c39052118bd4657b5fb8fae6f [INFO] running `Command { std: "docker" "start" "-a" "27269955e5d2a16ad342b267e1fa52419456685c39052118bd4657b5fb8fae6f", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/compressor/lz77.rs:5:24 [INFO] [stderr] | [INFO] [stderr] 5 | fn compress(&self, input: &[u8]) [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/compressor/lz77.rs:11:26 [INFO] [stderr] | [INFO] [stderr] 11 | fn uncompress(&self, input: &[u8]) [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stderr] [INFO] [stderr] warning: `squeeze` (lib) generated 2 warnings [INFO] [stderr] warning: `squeeze` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `squeeze` (bin "squeeze" test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `squeeze` (bin "squeeze") generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/squeeze-3d36c5e9d439d294) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test compressor::huffman::tests::symbol_frequency_table ... ok [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/squeeze-ac9ce4e1de1f7d7c) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test compressor::huffman::tests::symbol_frequency_table ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/compressors_test.rs (/opt/rustwide/target/debug/deps/compressors_test-c18e71efeb6faf83) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests squeeze [INFO] [stdout] test text_compression_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.34s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "27269955e5d2a16ad342b267e1fa52419456685c39052118bd4657b5fb8fae6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27269955e5d2a16ad342b267e1fa52419456685c39052118bd4657b5fb8fae6f", kill_on_drop: false }` [INFO] [stdout] 27269955e5d2a16ad342b267e1fa52419456685c39052118bd4657b5fb8fae6f