[INFO] fetching crate rexiv2 0.9.1...
[INFO] testing rexiv2-0.9.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rexiv2 0.9.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rexiv2 0.9.1 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 rexiv2 0.9.1
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate rexiv2 0.9.1
[INFO] tweaked toml for crates.io crate rexiv2 0.9.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rexiv2 0.9.1 already has a lockfile, it will not be regenerated
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] da24cd0978b70e4fe41df07f1fc29080f452df23234bdc34607b2e79b0f2908a
[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" "da24cd0978b70e4fe41df07f1fc29080f452df23234bdc34607b2e79b0f2908a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da24cd0978b70e4fe41df07f1fc29080f452df23234bdc34607b2e79b0f2908a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da24cd0978b70e4fe41df07f1fc29080f452df23234bdc34607b2e79b0f2908a", kill_on_drop: false }`
[INFO] [stdout] da24cd0978b70e4fe41df07f1fc29080f452df23234bdc34607b2e79b0f2908a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2127705563a34987a24371dc7d0f4bbc1575d10ab80a296176c3f7264a2b9842
[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" "2127705563a34987a24371dc7d0f4bbc1575d10ab80a296176c3f7264a2b9842", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling gexiv2-sys v1.1.1
[INFO] [stderr]    Compiling rexiv2 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "2127705563a34987a24371dc7d0f4bbc1575d10ab80a296176c3f7264a2b9842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2127705563a34987a24371dc7d0f4bbc1575d10ab80a296176c3f7264a2b9842", kill_on_drop: false }`
[INFO] [stdout] 2127705563a34987a24371dc7d0f4bbc1575d10ab80a296176c3f7264a2b9842
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 982584dc484e0b673e18bc4718a3b913bcd157c1ef4aa5050487b256771cd13e
[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" "982584dc484e0b673e18bc4718a3b913bcd157c1ef4aa5050487b256771cd13e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rexiv2 v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "982584dc484e0b673e18bc4718a3b913bcd157c1ef4aa5050487b256771cd13e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982584dc484e0b673e18bc4718a3b913bcd157c1ef4aa5050487b256771cd13e", kill_on_drop: false }`
[INFO] [stdout] 982584dc484e0b673e18bc4718a3b913bcd157c1ef4aa5050487b256771cd13e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 786d570db1e9f65e4798675bd3ef86acb31c9aefe78a24844336a27486cc1d7a
[INFO] running `Command { std: "docker" "start" "-a" "786d570db1e9f65e4798675bd3ef86acb31c9aefe78a24844336a27486cc1d7a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rexiv2-5e75a8757285a081)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rexiv2
[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 15 tests
[INFO] [stdout] test src/lib.rs - (line 26) - compile ... ok
[INFO] [stdout] test src/lib.rs - Metadata::new_from_path (line 272) - compile ... ok
[INFO] [stdout] test src/lib.rs - unregister_xmp_namespace (line 1072) ... ok
[INFO] [stdout] test src/lib.rs - Metadata::new_from_buffer (line 296) ... ok
[INFO] [stdout] test src/lib.rs - is_xmp_tag (line 933) ... ok
[INFO] [stdout] test src/lib.rs - set_log_level (line 1117) ... ok
[INFO] [stdout] test src/lib.rs - is_iptc_tag (line 921) ... ok
[INFO] [stdout] test src/lib.rs - get_tag_description (line 962) ... ok
[INFO] [stdout] test src/lib.rs - get_log_level (line 1105) ... ok
[INFO] [stdout] test src/lib.rs - get_tag_type (line 980) ... ok
[INFO] [stdout] test src/lib.rs - initialize (line 1028) ... ok
[INFO] [stdout] test src/lib.rs - unregister_all_xmp_namespaces (line 1091) ... ok
[INFO] [stdout] test src/lib.rs - is_exif_tag (line 909) ... ok
[INFO] [stdout] test src/lib.rs - get_tag_label (line 945) ... ok
[INFO] [stdout] test src/lib.rs - register_xmp_namespace (line 1050) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "786d570db1e9f65e4798675bd3ef86acb31c9aefe78a24844336a27486cc1d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786d570db1e9f65e4798675bd3ef86acb31c9aefe78a24844336a27486cc1d7a", kill_on_drop: false }`
[INFO] [stdout] 786d570db1e9f65e4798675bd3ef86acb31c9aefe78a24844336a27486cc1d7a