[INFO] updating cached repository https://github.com/uwumouse/cxmprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20fe86fe697059e9d868740a14a3d5aba92e3fa1
[INFO] testing uwumouse/cxmprs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuwumouse%2Fcxmprs" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uwumouse/cxmprs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uwumouse/cxmprs
[INFO] finished tweaking git repo https://github.com/uwumouse/cxmprs
[INFO] tweaked toml for git repo https://github.com/uwumouse/cxmprs written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c0b7d5c3a3b3811dfce5feeb3d2e50b561c98500b860fc6c9e2d3fb90dad74f
[INFO] running `Command { std: "docker" "start" "-a" "7c0b7d5c3a3b3811dfce5feeb3d2e50b561c98500b860fc6c9e2d3fb90dad74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c0b7d5c3a3b3811dfce5feeb3d2e50b561c98500b860fc6c9e2d3fb90dad74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c0b7d5c3a3b3811dfce5feeb3d2e50b561c98500b860fc6c9e2d3fb90dad74f", kill_on_drop: false }`
[INFO] [stdout] 7c0b7d5c3a3b3811dfce5feeb3d2e50b561c98500b860fc6c9e2d3fb90dad74f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d06a94f7bcb6c8e22703ed44b585c0e1889a7748a67af65c7fdb91a5f41a5ce9
[INFO] running `Command { std: "docker" "start" "-a" "d06a94f7bcb6c8e22703ed44b585c0e1889a7748a67af65c7fdb91a5f41a5ce9", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling wyz v0.4.0
[INFO] [stderr]    Compiling bitvec v0.22.3
[INFO] [stderr]    Compiling cxmprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `charmap`
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let charmap = header_to_charmap(&bytes);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_charmap`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_compressed`
[INFO] [stdout]   --> src/files/reading.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn read_compressed(path: &String) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `header_to_charmap`
[INFO] [stdout]   --> src/huffman/decoding.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn header_to_charmap(compress_bytes: &Vec<u8>) -> (CharMap, usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decompress`
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn decompress(path: &String) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.48s
[INFO] running `Command { std: "docker" "inspect" "d06a94f7bcb6c8e22703ed44b585c0e1889a7748a67af65c7fdb91a5f41a5ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06a94f7bcb6c8e22703ed44b585c0e1889a7748a67af65c7fdb91a5f41a5ce9", kill_on_drop: false }`
[INFO] [stdout] d06a94f7bcb6c8e22703ed44b585c0e1889a7748a67af65c7fdb91a5f41a5ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 746bd96186f45dba64673fb2a8bb270e6b47d9c0f6ca1ef38ae55fd0beb0bccb
[INFO] running `Command { std: "docker" "start" "-a" "746bd96186f45dba64673fb2a8bb270e6b47d9c0f6ca1ef38ae55fd0beb0bccb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cxmprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `charmap`
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let charmap = header_to_charmap(&bytes);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_charmap`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_compressed`
[INFO] [stdout]   --> src/files/reading.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn read_compressed(path: &String) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `header_to_charmap`
[INFO] [stdout]   --> src/huffman/decoding.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn header_to_charmap(compress_bytes: &Vec<u8>) -> (CharMap, usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decompress`
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn decompress(path: &String) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "746bd96186f45dba64673fb2a8bb270e6b47d9c0f6ca1ef38ae55fd0beb0bccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746bd96186f45dba64673fb2a8bb270e6b47d9c0f6ca1ef38ae55fd0beb0bccb", kill_on_drop: false }`
[INFO] [stdout] 746bd96186f45dba64673fb2a8bb270e6b47d9c0f6ca1ef38ae55fd0beb0bccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 140564dfdf5c0a49ab66d7dd4d2a1b611afcc5e5a385ed139e458a6498860608
[INFO] running `Command { std: "docker" "start" "-a" "140564dfdf5c0a49ab66d7dd4d2a1b611afcc5e5a385ed139e458a6498860608", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `charmap`
[INFO] [stderr]   --> src/main.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let charmap = header_to_charmap(&bytes);
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_charmap`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_compressed`
[INFO] [stderr]   --> src/files/reading.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn read_compressed(path: &String) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `header_to_charmap`
[INFO] [stderr]   --> src/huffman/decoding.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn header_to_charmap(compress_bytes: &Vec<u8>) -> (CharMap, usize) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decompress`
[INFO] [stderr]   --> src/main.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn decompress(path: &String) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cxmprs` (bin "cxmprs" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cxmprs-0eb82d149dccf21c)
[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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "140564dfdf5c0a49ab66d7dd4d2a1b611afcc5e5a385ed139e458a6498860608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140564dfdf5c0a49ab66d7dd4d2a1b611afcc5e5a385ed139e458a6498860608", kill_on_drop: false }`
[INFO] [stdout] 140564dfdf5c0a49ab66d7dd4d2a1b611afcc5e5a385ed139e458a6498860608