[INFO] cloning repository https://github.com/monikeo/file-compression-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monikeo/file-compression-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonikeo%2Ffile-compression-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonikeo%2Ffile-compression-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83c648493b2ce08b2026a72bc7cbb3aa2708c864
[INFO] testing monikeo/file-compression-rs against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonikeo%2Ffile-compression-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/monikeo/file-compression-rs on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/monikeo/file-compression-rs
[INFO] finished tweaking git repo https://github.com/monikeo/file-compression-rs
[INFO] tweaked toml for git repo https://github.com/monikeo/file-compression-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/monikeo/file-compression-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d6f0f085c3dc1645fa79269956643cace1935a48c943d09e7046940f98b16c
[INFO] running `Command { std: "docker" "start" "-a" "c3d6f0f085c3dc1645fa79269956643cace1935a48c943d09e7046940f98b16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d6f0f085c3dc1645fa79269956643cace1935a48c943d09e7046940f98b16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d6f0f085c3dc1645fa79269956643cace1935a48c943d09e7046940f98b16c", kill_on_drop: false }`
[INFO] [stdout] c3d6f0f085c3dc1645fa79269956643cace1935a48c943d09e7046940f98b16c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9c69ee4dbd8c7e3213e1970391334fe0114417a84c67aa9167a45a2db7ea467
[INFO] running `Command { std: "docker" "start" "-a" "b9c69ee4dbd8c7e3213e1970391334fe0114417a84c67aa9167a45a2db7ea467", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling file-compression-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `compress` should have an upper camel case name
[INFO] [stdout]   --> src/cli.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     compress,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Compress`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `decompress` should have an upper camel case name
[INFO] [stdout]   --> src/cli.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     decompress
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `Decompress`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]  --> src/error.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn map_to_error(err: std::io::Error) -> CompressionError {
[INFO] [stdout]   |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CompressionError` is never used
[INFO] [stdout]  --> src/error.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum CompressionError {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_to_error` is never used
[INFO] [stdout]  --> src/error.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn map_to_error(err: std::io::Error) -> CompressionError {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "b9c69ee4dbd8c7e3213e1970391334fe0114417a84c67aa9167a45a2db7ea467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c69ee4dbd8c7e3213e1970391334fe0114417a84c67aa9167a45a2db7ea467", kill_on_drop: false }`
[INFO] [stdout] b9c69ee4dbd8c7e3213e1970391334fe0114417a84c67aa9167a45a2db7ea467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8941a871dd9628d51fcb6472ed692d36fc37b2bc913d3a3e033773ed45b51e2b
[INFO] running `Command { std: "docker" "start" "-a" "8941a871dd9628d51fcb6472ed692d36fc37b2bc913d3a3e033773ed45b51e2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling file-compression-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `compress` should have an upper camel case name
[INFO] [stdout]   --> src/cli.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     compress,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Compress`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `decompress` should have an upper camel case name
[INFO] [stdout]   --> src/cli.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     decompress
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `Decompress`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]  --> src/error.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn map_to_error(err: std::io::Error) -> CompressionError {
[INFO] [stdout]   |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CompressionError` is never used
[INFO] [stdout]  --> src/error.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum CompressionError {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_to_error` is never used
[INFO] [stdout]  --> src/error.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn map_to_error(err: std::io::Error) -> CompressionError {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "8941a871dd9628d51fcb6472ed692d36fc37b2bc913d3a3e033773ed45b51e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8941a871dd9628d51fcb6472ed692d36fc37b2bc913d3a3e033773ed45b51e2b", kill_on_drop: false }`
[INFO] [stdout] 8941a871dd9628d51fcb6472ed692d36fc37b2bc913d3a3e033773ed45b51e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7aff45221286e0795893c1a1f37170c309b4067f7714c95a3eb24f2bc1ee8f77
[INFO] running `Command { std: "docker" "start" "-a" "7aff45221286e0795893c1a1f37170c309b4067f7714c95a3eb24f2bc1ee8f77", kill_on_drop: false }`
[INFO] [stderr] warning: variant `compress` should have an upper camel case name
[INFO] [stderr]   --> src/cli.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     compress,
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Compress`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `decompress` should have an upper camel case name
[INFO] [stderr]   --> src/cli.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     decompress
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `Decompress`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]  --> src/error.rs:8:21
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn map_to_error(err: std::io::Error) -> CompressionError {
[INFO] [stderr]   |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `CompressionError` is never used
[INFO] [stderr]  --> src/error.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum CompressionError {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `map_to_error` is never used
[INFO] [stderr]  --> src/error.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn map_to_error(err: std::io::Error) -> CompressionError {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `file-compression-rs` (bin "file-compression-rs" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/file_compression_rs-39c500fd3dae8a74)
[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" "7aff45221286e0795893c1a1f37170c309b4067f7714c95a3eb24f2bc1ee8f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aff45221286e0795893c1a1f37170c309b4067f7714c95a3eb24f2bc1ee8f77", kill_on_drop: false }`
[INFO] [stdout] 7aff45221286e0795893c1a1f37170c309b4067f7714c95a3eb24f2bc1ee8f77