[INFO] cloning repository https://github.com/Tarbetu/tararchiever-rb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tarbetu/tararchiever-rb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTarbetu%2Ftararchiever-rb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTarbetu%2Ftararchiever-rb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1863ca8c7b13a60f3cd56c0a20e94fb5b0f79194
[INFO] testing Tarbetu/tararchiever-rb against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTarbetu%2Ftararchiever-rb" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tarbetu/tararchiever-rb on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tarbetu/tararchiever-rb
[INFO] finished tweaking git repo https://github.com/Tarbetu/tararchiever-rb
[INFO] tweaked toml for git repo https://github.com/Tarbetu/tararchiever-rb written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Tarbetu/tararchiever-rb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xz2 v0.1.6
[INFO] [stderr]   Downloaded lzma-sys v0.1.17
[INFO] [stderr]   Downloaded rutie v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f38917acdbb9a6a270f0667ba755dea9c15fd988607bf5f7d06d5d238404d817
[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" "f38917acdbb9a6a270f0667ba755dea9c15fd988607bf5f7d06d5d238404d817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f38917acdbb9a6a270f0667ba755dea9c15fd988607bf5f7d06d5d238404d817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38917acdbb9a6a270f0667ba755dea9c15fd988607bf5f7d06d5d238404d817", kill_on_drop: false }`
[INFO] [stdout] f38917acdbb9a6a270f0667ba755dea9c15fd988607bf5f7d06d5d238404d817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--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] 4c2f8144ac79fb769209154fd1294dd0da3efafd2f1286024b44fd39c30dd3c3
[INFO] running `Command { std: "docker" "start" "-a" "4c2f8144ac79fb769209154fd1294dd0da3efafd2f1286024b44fd39c30dd3c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rutie v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling tar v0.4.33
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling zstd-sys v1.4.20+zstd.1.4.9
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling lz4 v1.23.2
[INFO] [stderr]    Compiling zstd v0.6.1+zstd.1.4.9
[INFO] [stderr]    Compiling tar_archiever v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rtself`
[INFO] [stdout]   --> src/ruby_binding.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     rtself,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rtself`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnreachableTarget`
[INFO] [stdout]  --> src/error.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 |    UnreachableTarget,
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SourceDoesNotExists`
[INFO] [stdout]  --> src/error.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 |    SourceDoesNotExists,
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_by_string`
[INFO] [stdout]   --> src/error.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new_by_string(symbol: &str) -> ErrorKind {
[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 1m 53s
[INFO] running `Command { std: "docker" "inspect" "4c2f8144ac79fb769209154fd1294dd0da3efafd2f1286024b44fd39c30dd3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c2f8144ac79fb769209154fd1294dd0da3efafd2f1286024b44fd39c30dd3c3", kill_on_drop: false }`
[INFO] [stdout] 4c2f8144ac79fb769209154fd1294dd0da3efafd2f1286024b44fd39c30dd3c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--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] 5f168600ae5604e54af76c6db68a4129b908a38b114710c98715d845c1289840
[INFO] running `Command { std: "docker" "start" "-a" "5f168600ae5604e54af76c6db68a4129b908a38b114710c98715d845c1289840", kill_on_drop: false }`
[INFO] [stderr]    Compiling tar_archiever v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rtself`
[INFO] [stdout]   --> src/ruby_binding.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     rtself,
[INFO] [stdout]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rtself`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnreachableTarget`
[INFO] [stdout]  --> src/error.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 |    UnreachableTarget,
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SourceDoesNotExists`
[INFO] [stdout]  --> src/error.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 |    SourceDoesNotExists,
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_by_string`
[INFO] [stdout]   --> src/error.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new_by_string(symbol: &str) -> ErrorKind {
[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 2.69s
[INFO] running `Command { std: "docker" "inspect" "5f168600ae5604e54af76c6db68a4129b908a38b114710c98715d845c1289840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f168600ae5604e54af76c6db68a4129b908a38b114710c98715d845c1289840", kill_on_drop: false }`
[INFO] [stdout] 5f168600ae5604e54af76c6db68a4129b908a38b114710c98715d845c1289840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b76833cad5f5d932986985b97cd6eae46e745d41a4951d202b3fe298d36a8ad
[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" "5b76833cad5f5d932986985b97cd6eae46e745d41a4951d202b3fe298d36a8ad", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `rtself`
[INFO] [stderr]   --> src/ruby_binding.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     rtself,
[INFO] [stderr]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rtself`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnreachableTarget`
[INFO] [stderr]  --> src/error.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 |    UnreachableTarget,
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SourceDoesNotExists`
[INFO] [stderr]  --> src/error.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 |    SourceDoesNotExists,
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_by_string`
[INFO] [stderr]   --> src/error.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new_by_string(symbol: &str) -> ErrorKind {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tar_archiever` (lib test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tar_archiever-204dc4c7fe571a94)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::compress_and_decompress_with_xz ... ok
[INFO] [stdout] test test::compress_and_decompress_with_lz4 ... ok
[INFO] [stdout] test test::compress_and_decompress_with_zstd ... ok
[INFO] [stdout] test test::compress_and_decompress_with_gzip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 15.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5b76833cad5f5d932986985b97cd6eae46e745d41a4951d202b3fe298d36a8ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b76833cad5f5d932986985b97cd6eae46e745d41a4951d202b3fe298d36a8ad", kill_on_drop: false }`
[INFO] [stdout] 5b76833cad5f5d932986985b97cd6eae46e745d41a4951d202b3fe298d36a8ad