[INFO] cloning repository https://github.com/guydunigo/remove_old_arch_pkgs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guydunigo/remove_old_arch_pkgs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguydunigo%2Fremove_old_arch_pkgs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguydunigo%2Fremove_old_arch_pkgs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25b95d9e10a150ee02dfbbb2f8b3f4e46319a9ba
[INFO] testing guydunigo/remove_old_arch_pkgs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguydunigo%2Fremove_old_arch_pkgs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guydunigo/remove_old_arch_pkgs 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/guydunigo/remove_old_arch_pkgs
[INFO] finished tweaking git repo https://github.com/guydunigo/remove_old_arch_pkgs
[INFO] tweaked toml for git repo https://github.com/guydunigo/remove_old_arch_pkgs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/guydunigo/remove_old_arch_pkgs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2a13916e6ab553df7faa6295e9dd7d9c16aaa121f3f174b9928dabd2ec74a248
[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" "2a13916e6ab553df7faa6295e9dd7d9c16aaa121f3f174b9928dabd2ec74a248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a13916e6ab553df7faa6295e9dd7d9c16aaa121f3f174b9928dabd2ec74a248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a13916e6ab553df7faa6295e9dd7d9c16aaa121f3f174b9928dabd2ec74a248", kill_on_drop: false }`
[INFO] [stdout] 2a13916e6ab553df7faa6295e9dd7d9c16aaa121f3f174b9928dabd2ec74a248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 66ecda2b659a4b7b7cfd40418f5844df76a825e0c44ba7cd99b14ad965623153
[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" "66ecda2b659a4b7b7cfd40418f5844df76a825e0c44ba7cd99b14ad965623153", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_old_arch_pkgs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/package.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn extract_name_version(file_name: &str) -> Result<(String, String), (PackageParseError, String)> {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoPackageName`
[INFO] [stdout]   --> src/package.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     NoPackageName,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "66ecda2b659a4b7b7cfd40418f5844df76a825e0c44ba7cd99b14ad965623153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ecda2b659a4b7b7cfd40418f5844df76a825e0c44ba7cd99b14ad965623153", kill_on_drop: false }`
[INFO] [stdout] 66ecda2b659a4b7b7cfd40418f5844df76a825e0c44ba7cd99b14ad965623153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fe4a57e57e8ebff0c9ca4a0abcb7b65cd1b4460f52995877bcdbf5dabc27142b
[INFO] running `Command { std: "docker" "start" "-a" "fe4a57e57e8ebff0c9ca4a0abcb7b65cd1b4460f52995877bcdbf5dabc27142b", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_old_arch_pkgs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/package.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn extract_name_version(file_name: &str) -> Result<(String, String), (PackageParseError, String)> {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoPackageName`
[INFO] [stdout]   --> src/package.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     NoPackageName,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/package.rs:150:25
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn extract_name_version(file_name: &str) -> Result<(String, String), (PackageParseError, String)> {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoPackageName`
[INFO] [stdout]   --> src/package.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     NoPackageName,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "fe4a57e57e8ebff0c9ca4a0abcb7b65cd1b4460f52995877bcdbf5dabc27142b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4a57e57e8ebff0c9ca4a0abcb7b65cd1b4460f52995877bcdbf5dabc27142b", kill_on_drop: false }`
[INFO] [stdout] fe4a57e57e8ebff0c9ca4a0abcb7b65cd1b4460f52995877bcdbf5dabc27142b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 32e2b175395f205e4a7a232c2cf9a0510fb155ec7b1ec9361384263026a3b36b
[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" "32e2b175395f205e4a7a232c2cf9a0510fb155ec7b1ec9361384263026a3b36b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]    --> src/package.rs:150:25
[INFO] [stderr]     |
[INFO] [stderr] 150 | fn extract_name_version(file_name: &str) -> Result<(String, String), (PackageParseError, String)> {
[INFO] [stderr]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoPackageName`
[INFO] [stderr]   --> src/package.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     NoPackageName,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `remove_old_arch_pkgs` (lib) generated 2 warnings
[INFO] [stderr] warning: `remove_old_arch_pkgs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/remove_old_arch_pkgs-859c28cbb8aa4ad8)
[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 (/opt/rustwide/target/debug/deps/remove_old_arch_pkgs-79a59baf0ed98d95)
[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 remove_old_arch_pkgs
[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" "32e2b175395f205e4a7a232c2cf9a0510fb155ec7b1ec9361384263026a3b36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e2b175395f205e4a7a232c2cf9a0510fb155ec7b1ec9361384263026a3b36b", kill_on_drop: false }`
[INFO] [stdout] 32e2b175395f205e4a7a232c2cf9a0510fb155ec7b1ec9361384263026a3b36b