[INFO] fetching crate docker_credential 1.0.1...
[INFO] testing docker_credential-1.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate docker_credential 1.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate docker_credential 1.0.1 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 docker_credential 1.0.1
[INFO] finished tweaking crates.io crate docker_credential 1.0.1
[INFO] tweaked toml for crates.io crate docker_credential 1.0.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 65c8edbed3b0a812e13c35735b4e73435e3f9630fdfc6b8b2a93bd0510878014
[INFO] running `Command { std: "docker" "start" "-a" "65c8edbed3b0a812e13c35735b4e73435e3f9630fdfc6b8b2a93bd0510878014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65c8edbed3b0a812e13c35735b4e73435e3f9630fdfc6b8b2a93bd0510878014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c8edbed3b0a812e13c35735b4e73435e3f9630fdfc6b8b2a93bd0510878014", kill_on_drop: false }`
[INFO] [stdout] 65c8edbed3b0a812e13c35735b4e73435e3f9630fdfc6b8b2a93bd0510878014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a55bf027004e11a79e166b3a0b835286b4251305374705ec1d358a89aa6e09bc
[INFO] running `Command { std: "docker" "start" "-a" "a55bf027004e11a79e166b3a0b835286b4251305374705ec1d358a89aa6e09bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling docker_credential v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.67s
[INFO] running `Command { std: "docker" "inspect" "a55bf027004e11a79e166b3a0b835286b4251305374705ec1d358a89aa6e09bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55bf027004e11a79e166b3a0b835286b4251305374705ec1d358a89aa6e09bc", kill_on_drop: false }`
[INFO] [stdout] a55bf027004e11a79e166b3a0b835286b4251305374705ec1d358a89aa6e09bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9c2cbe6f71724e81c69235343a15f5b66b76aa49c6d302556046ef86f0ac06ee
[INFO] running `Command { std: "docker" "start" "-a" "9c2cbe6f71724e81c69235343a15f5b66b76aa49c6d302556046ef86f0ac06ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling docker_credential v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "9c2cbe6f71724e81c69235343a15f5b66b76aa49c6d302556046ef86f0ac06ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2cbe6f71724e81c69235343a15f5b66b76aa49c6d302556046ef86f0ac06ee", kill_on_drop: false }`
[INFO] [stdout] 9c2cbe6f71724e81c69235343a15f5b66b76aa49c6d302556046ef86f0ac06ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] eb024926f96789ea17fd2f83953a7d086ea36287784dd1cfc05ad9b91776403f
[INFO] running `Command { std: "docker" "start" "-a" "eb024926f96789ea17fd2f83953a7d086ea36287784dd1cfc05ad9b91776403f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/docker_credential-51ba48d5f6536be3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests docker_credential
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::decodes_auth_when_no_helpers ... ok
[INFO] [stdout] test tests::errors_when_no_relevant_config ... ok
[INFO] [stdout] test tests::gets_credential_from_store ... ok
[INFO] [stdout] test tests::gets_credential_from_helper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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 - get_credential (line 90) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb024926f96789ea17fd2f83953a7d086ea36287784dd1cfc05ad9b91776403f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb024926f96789ea17fd2f83953a7d086ea36287784dd1cfc05ad9b91776403f", kill_on_drop: false }`
[INFO] [stdout] eb024926f96789ea17fd2f83953a7d086ea36287784dd1cfc05ad9b91776403f