[INFO] fetching crate packer_derive 0.5.3...
[INFO] testing packer_derive-0.5.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate packer_derive 0.5.3 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate packer_derive 0.5.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate packer_derive 0.5.3
[INFO] finished tweaking crates.io crate packer_derive 0.5.3
[INFO] tweaked toml for crates.io crate packer_derive 0.5.3 written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8238fcaefe8ec9ca0b0f161d2b94a457c68f1cfc8a8c3180256a30d51b08699b
[INFO] running `Command { std: "docker" "start" "-a" "8238fcaefe8ec9ca0b0f161d2b94a457c68f1cfc8a8c3180256a30d51b08699b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8238fcaefe8ec9ca0b0f161d2b94a457c68f1cfc8a8c3180256a30d51b08699b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8238fcaefe8ec9ca0b0f161d2b94a457c68f1cfc8a8c3180256a30d51b08699b", kill_on_drop: false }`
[INFO] [stdout] 8238fcaefe8ec9ca0b0f161d2b94a457c68f1cfc8a8c3180256a30d51b08699b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82f8750acb37761a0c7ef69a5365f053e202c932035fd0964bc5dedf68fcf2a5
[INFO] running `Command { std: "docker" "start" "-a" "82f8750acb37761a0c7ef69a5365f053e202c932035fd0964bc5dedf68fcf2a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling packer_derive v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .map(|(key, (path, prefix))| {
[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 11.03s
[INFO] running `Command { std: "docker" "inspect" "82f8750acb37761a0c7ef69a5365f053e202c932035fd0964bc5dedf68fcf2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f8750acb37761a0c7ef69a5365f053e202c932035fd0964bc5dedf68fcf2a5", kill_on_drop: false }`
[INFO] [stdout] 82f8750acb37761a0c7ef69a5365f053e202c932035fd0964bc5dedf68fcf2a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56c682692635ff7a50dca4905fe5a5f20a694ac1a4c2184a0c2b537d37ea87b4
[INFO] running `Command { std: "docker" "start" "-a" "56c682692635ff7a50dca4905fe5a5f20a694ac1a4c2184a0c2b537d37ea87b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling packer_derive v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .map(|(key, (path, prefix))| {
[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/lib.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .map(|(key, (path, prefix))| {
[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 0.83s
[INFO] running `Command { std: "docker" "inspect" "56c682692635ff7a50dca4905fe5a5f20a694ac1a4c2184a0c2b537d37ea87b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c682692635ff7a50dca4905fe5a5f20a694ac1a4c2184a0c2b537d37ea87b4", kill_on_drop: false }`
[INFO] [stdout] 56c682692635ff7a50dca4905fe5a5f20a694ac1a4c2184a0c2b537d37ea87b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f32abc43e9fffaac548a5afd842a82d351e4db0628908417f9b01e7070c33a94
[INFO] running `Command { std: "docker" "start" "-a" "f32abc43e9fffaac548a5afd842a82d351e4db0628908417f9b01e7070c33a94", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/lib.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |         .map(|(key, (path, prefix))| {
[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: `packer_derive` (lib) generated 1 warning
[INFO] [stderr] warning: `packer_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/packer_derive-73e07e2ae4d1a623)
[INFO] [stderr]    Doc-tests packer_derive
[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] [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" "f32abc43e9fffaac548a5afd842a82d351e4db0628908417f9b01e7070c33a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32abc43e9fffaac548a5afd842a82d351e4db0628908417f9b01e7070c33a94", kill_on_drop: false }`
[INFO] [stdout] f32abc43e9fffaac548a5afd842a82d351e4db0628908417f9b01e7070c33a94