[INFO] fetching crate lts 0.3.1...
[INFO] testing lts-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate lts 0.3.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate lts 0.3.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lts 0.3.1
[INFO] finished tweaking crates.io crate lts 0.3.1
[INFO] tweaked toml for crates.io crate lts 0.3.1 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate lts 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e7de000f7947e882b928fbc141a15cf1f51fdea1fc6c406a7d5110be026021e
[INFO] running `Command { std: "docker" "start" "-a" "1e7de000f7947e882b928fbc141a15cf1f51fdea1fc6c406a7d5110be026021e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e7de000f7947e882b928fbc141a15cf1f51fdea1fc6c406a7d5110be026021e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7de000f7947e882b928fbc141a15cf1f51fdea1fc6c406a7d5110be026021e", kill_on_drop: false }`
[INFO] [stdout] 1e7de000f7947e882b928fbc141a15cf1f51fdea1fc6c406a7d5110be026021e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f8dc8fbb9f2bf55400ffb843529e6ce96851905891a9f597575eeac4e21e517
[INFO] running `Command { std: "docker" "start" "-a" "2f8dc8fbb9f2bf55400ffb843529e6ce96851905891a9f597575eeac4e21e517", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling lts v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/regfork.rs:318:21
[INFO] [stdout]     |
[INFO] [stdout] 318 |         if let Some(path) = CargoConfig::cargo_private_custom_git_repo_path(&self.git_checkout) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "2f8dc8fbb9f2bf55400ffb843529e6ce96851905891a9f597575eeac4e21e517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8dc8fbb9f2bf55400ffb843529e6ce96851905891a9f597575eeac4e21e517", kill_on_drop: false }`
[INFO] [stdout] 2f8dc8fbb9f2bf55400ffb843529e6ce96851905891a9f597575eeac4e21e517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b122e4a2a4a87d8e7ae44baf24e266583004db4b5e1adda674a76019ba6619b9
[INFO] running `Command { std: "docker" "start" "-a" "b122e4a2a4a87d8e7ae44baf24e266583004db4b5e1adda674a76019ba6619b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lts v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/regfork.rs:318:21
[INFO] [stdout]     |
[INFO] [stdout] 318 |         if let Some(path) = CargoConfig::cargo_private_custom_git_repo_path(&self.git_checkout) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/regfork.rs:318:21
[INFO] [stdout]     |
[INFO] [stdout] 318 |         if let Some(path) = CargoConfig::cargo_private_custom_git_repo_path(&self.git_checkout) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "b122e4a2a4a87d8e7ae44baf24e266583004db4b5e1adda674a76019ba6619b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b122e4a2a4a87d8e7ae44baf24e266583004db4b5e1adda674a76019ba6619b9", kill_on_drop: false }`
[INFO] [stdout] b122e4a2a4a87d8e7ae44baf24e266583004db4b5e1adda674a76019ba6619b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e08bc925598e3c97c6022286af0936b944f80b4d67345967c1ced343433fc380
[INFO] running `Command { std: "docker" "start" "-a" "e08bc925598e3c97c6022286af0936b944f80b4d67345967c1ced343433fc380", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/regfork.rs:318:21
[INFO] [stderr]     |
[INFO] [stderr] 318 |         if let Some(path) = CargoConfig::cargo_private_custom_git_repo_path(&self.git_checkout) {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lts` (lib) generated 1 warning
[INFO] [stderr] warning: `lts` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lts-f77e400d9b3ba68e)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_lts-4c592f136c9fb61c)
[INFO] [stdout] running 1 test
[INFO] [stdout] test cargo_repository_hash::hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lts
[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 0.01s
[INFO] [stdout] 
[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" "e08bc925598e3c97c6022286af0936b944f80b4d67345967c1ced343433fc380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08bc925598e3c97c6022286af0936b944f80b4d67345967c1ced343433fc380", kill_on_drop: false }`
[INFO] [stdout] e08bc925598e3c97c6022286af0936b944f80b4d67345967c1ced343433fc380