[INFO] cloning repository https://github.com/wisechengyi/rust_tar_repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wisechengyi/rust_tar_repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwisechengyi%2Frust_tar_repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwisechengyi%2Frust_tar_repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b724825429f3ebb16d1e879dab39885a92173148
[INFO] testing wisechengyi/rust_tar_repro against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwisechengyi%2Frust_tar_repro" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wisechengyi/rust_tar_repro on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wisechengyi/rust_tar_repro
[INFO] finished tweaking git repo https://github.com/wisechengyi/rust_tar_repro
[INFO] tweaked toml for git repo https://github.com/wisechengyi/rust_tar_repro written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wisechengyi/rust_tar_repro 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.3
[INFO] [stderr]   Downloaded tar v0.4.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae835daaaa4095328899d9ef4231f3bbbf04b5308b9e6eca2fcb172745ab0bb5
[INFO] running `Command { std: "docker" "start" "-a" "ae835daaaa4095328899d9ef4231f3bbbf04b5308b9e6eca2fcb172745ab0bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae835daaaa4095328899d9ef4231f3bbbf04b5308b9e6eca2fcb172745ab0bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae835daaaa4095328899d9ef4231f3bbbf04b5308b9e6eca2fcb172745ab0bb5", kill_on_drop: false }`
[INFO] [stdout] ae835daaaa4095328899d9ef4231f3bbbf04b5308b9e6eca2fcb172745ab0bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aecd2ddd5f6a5d42f8df55347b8e53095e9c072a4cc49f8b16d21bff775d9ad
[INFO] running `Command { std: "docker" "start" "-a" "2aecd2ddd5f6a5d42f8df55347b8e53095e9c072a4cc49f8b16d21bff775d9ad", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling filetime v0.2.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling tar v0.4.19
[INFO] [stderr]    Compiling flate2 v1.0.4
[INFO] [stderr]    Compiling tar_api v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tar_api.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 |   tar.finish();
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |   let _ = tar.finish();
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `value_t`
[INFO] [stdout]  --> src/main.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use clap::{App, Arg, SubCommand, value_t};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/main.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
[INFO] [stdout]    |               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.89s
[INFO] running `Command { std: "docker" "inspect" "2aecd2ddd5f6a5d42f8df55347b8e53095e9c072a4cc49f8b16d21bff775d9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aecd2ddd5f6a5d42f8df55347b8e53095e9c072a4cc49f8b16d21bff775d9ad", kill_on_drop: false }`
[INFO] [stdout] 2aecd2ddd5f6a5d42f8df55347b8e53095e9c072a4cc49f8b16d21bff775d9ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 654116a5bc1b397f13806d4022000cd7e48478e83527cce9113d5d9ff075cc3b
[INFO] running `Command { std: "docker" "start" "-a" "654116a5bc1b397f13806d4022000cd7e48478e83527cce9113d5d9ff075cc3b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling tar_api v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tar_api.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 |   tar.finish();
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |   let _ = tar.finish();
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/tar_api.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 |   tar.finish();
[INFO] [stdout]    |   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |   let _ = tar.finish();
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `value_t`
[INFO] [stdout]  --> src/main.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use clap::{App, Arg, SubCommand, value_t};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/main.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_matches`
[INFO] [stdout]   --> src/main.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
[INFO] [stdout]    |               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "654116a5bc1b397f13806d4022000cd7e48478e83527cce9113d5d9ff075cc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654116a5bc1b397f13806d4022000cd7e48478e83527cce9113d5d9ff075cc3b", kill_on_drop: false }`
[INFO] [stdout] 654116a5bc1b397f13806d4022000cd7e48478e83527cce9113d5d9ff075cc3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70aa049ebde206795c109688d7934a3d6417dd9343d36ba65cd7051d5c4565e2
[INFO] running `Command { std: "docker" "start" "-a" "70aa049ebde206795c109688d7934a3d6417dd9343d36ba65cd7051d5c4565e2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/tar_api.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |   tar.finish();
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 29 |   let _ = tar.finish();
[INFO] [stderr]    |   +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `tar_api` (lib) generated 1 warning
[INFO] [stderr] warning: `tar_api` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused import: `value_t`
[INFO] [stderr]  --> src/main.rs:5:34
[INFO] [stderr]   |
[INFO] [stderr] 5 | use clap::{App, Arg, SubCommand, value_t};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/main.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub_matches`
[INFO] [stderr]   --> src/main.rs:47:15
[INFO] [stderr]    |
[INFO] [stderr] 47 |   if let Some(sub_matches) = matches.subcommand_matches("tar") {
[INFO] [stderr]    |               ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tar_api` (bin "rust-tar" test) generated 3 warnings (run `cargo fix --bin "rust-tar" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/tar_api.rs (/opt/rustwide/target/debug/deps/tar_api-8f445ad650911338)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tar-b686e18292a85c4e)
[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] [stderr]    Doc-tests tar_api
[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" "70aa049ebde206795c109688d7934a3d6417dd9343d36ba65cd7051d5c4565e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70aa049ebde206795c109688d7934a3d6417dd9343d36ba65cd7051d5c4565e2", kill_on_drop: false }`
[INFO] [stdout] 70aa049ebde206795c109688d7934a3d6417dd9343d36ba65cd7051d5c4565e2