[INFO] fetching crate rexif 0.7.3...
[INFO] testing rexif-0.7.3 against 1.55.0 for beta-1.56-2
[INFO] extracting crate rexif 0.7.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rexif 0.7.3 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 rexif 0.7.3
[INFO] finished tweaking crates.io crate rexif 0.7.3
[INFO] tweaked toml for crates.io crate rexif 0.7.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate rexif 0.7.3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d723209709dd2108df14953ba0825ee1cf80af489a3972cbf401d521fb9ab010
[INFO] running `Command { std: "docker" "start" "-a" "d723209709dd2108df14953ba0825ee1cf80af489a3972cbf401d521fb9ab010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d723209709dd2108df14953ba0825ee1cf80af489a3972cbf401d521fb9ab010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d723209709dd2108df14953ba0825ee1cf80af489a3972cbf401d521fb9ab010", kill_on_drop: false }`
[INFO] [stdout] d723209709dd2108df14953ba0825ee1cf80af489a3972cbf401d521fb9ab010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b99c6cb8c633a29f9ddb6860444bea48d4d8ae3b3d42fe9b4e359ad28c36a73c
[INFO] running `Command { std: "docker" "start" "-a" "b99c6cb8c633a29f9ddb6860444bea48d4d8ae3b3d42fe9b4e359ad28c36a73c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling rexif v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "b99c6cb8c633a29f9ddb6860444bea48d4d8ae3b3d42fe9b4e359ad28c36a73c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b99c6cb8c633a29f9ddb6860444bea48d4d8ae3b3d42fe9b4e359ad28c36a73c", kill_on_drop: false }`
[INFO] [stdout] b99c6cb8c633a29f9ddb6860444bea48d4d8ae3b3d42fe9b4e359ad28c36a73c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e4f52b48f71da9eacf209e937e206392ee5072c47c000ded6904bc8b29c11210
[INFO] running `Command { std: "docker" "start" "-a" "e4f52b48f71da9eacf209e937e206392ee5072c47c000ded6904bc8b29c11210", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling rexif v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "e4f52b48f71da9eacf209e937e206392ee5072c47c000ded6904bc8b29c11210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f52b48f71da9eacf209e937e206392ee5072c47c000ded6904bc8b29c11210", kill_on_drop: false }`
[INFO] [stdout] e4f52b48f71da9eacf209e937e206392ee5072c47c000ded6904bc8b29c11210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7feed4a8ce0a7fa44b5cb6e941e3b7d007740f1f735a394bf84e39ebc6e53d08
[INFO] running `Command { std: "docker" "start" "-a" "7feed4a8ce0a7fa44b5cb6e941e3b7d007740f1f735a394bf84e39ebc6e53d08", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rexif-85211aa9184ac182)
[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 (/opt/rustwide/target/debug/deps/rexiftool-f85cb2cb3c6f7da8)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rexif
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7feed4a8ce0a7fa44b5cb6e941e3b7d007740f1f735a394bf84e39ebc6e53d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7feed4a8ce0a7fa44b5cb6e941e3b7d007740f1f735a394bf84e39ebc6e53d08", kill_on_drop: false }`
[INFO] [stdout] 7feed4a8ce0a7fa44b5cb6e941e3b7d007740f1f735a394bf84e39ebc6e53d08