[INFO] fetching crate docker_credential 1.0.1...
[INFO] testing docker_credential-1.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate docker_credential 1.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate docker_credential 1.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0592b7e4bbf22f237d235b0542f35211cf7b0ee14c9ebaef84dbc653e1175153
[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" "0592b7e4bbf22f237d235b0542f35211cf7b0ee14c9ebaef84dbc653e1175153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0592b7e4bbf22f237d235b0542f35211cf7b0ee14c9ebaef84dbc653e1175153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0592b7e4bbf22f237d235b0542f35211cf7b0ee14c9ebaef84dbc653e1175153", kill_on_drop: false }`
[INFO] [stdout] 0592b7e4bbf22f237d235b0542f35211cf7b0ee14c9ebaef84dbc653e1175153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79967acd47066a943fffb084f649b42d4550418afaef45928c8da6b87a559a06
[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" "79967acd47066a943fffb084f649b42d4550418afaef45928c8da6b87a559a06", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling docker_credential v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "79967acd47066a943fffb084f649b42d4550418afaef45928c8da6b87a559a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79967acd47066a943fffb084f649b42d4550418afaef45928c8da6b87a559a06", kill_on_drop: false }`
[INFO] [stdout] 79967acd47066a943fffb084f649b42d4550418afaef45928c8da6b87a559a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f735fb73fb91df03c2700d6dbac3f4bf1c5b00e3794e5e71f814364dcc885f
[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" "f5f735fb73fb91df03c2700d6dbac3f4bf1c5b00e3794e5e71f814364dcc885f", kill_on_drop: false }`
[INFO] [stderr]    Compiling docker_credential v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "f5f735fb73fb91df03c2700d6dbac3f4bf1c5b00e3794e5e71f814364dcc885f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f735fb73fb91df03c2700d6dbac3f4bf1c5b00e3794e5e71f814364dcc885f", kill_on_drop: false }`
[INFO] [stdout] f5f735fb73fb91df03c2700d6dbac3f4bf1c5b00e3794e5e71f814364dcc885f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2c6b4868c5335bfc03534da3fe8aa25a0ee345276fdfdfc44cf5b71ab43d9bf
[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" "d2c6b4868c5335bfc03534da3fe8aa25a0ee345276fdfdfc44cf5b71ab43d9bf", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/docker_credential-2d8977bdcde14e50
[INFO] [stdout] test tests::decodes_auth_when_no_helpers ... ok
[INFO] [stderr]    Doc-tests docker_credential
[INFO] [stdout] test tests::gets_credential_from_helper ... ok
[INFO] [stdout] test tests::gets_credential_from_store ... ok
[INFO] [stdout] test tests::errors_when_no_relevant_config ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - get_credential (line 90) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d2c6b4868c5335bfc03534da3fe8aa25a0ee345276fdfdfc44cf5b71ab43d9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c6b4868c5335bfc03534da3fe8aa25a0ee345276fdfdfc44cf5b71ab43d9bf", kill_on_drop: false }`
[INFO] [stdout] d2c6b4868c5335bfc03534da3fe8aa25a0ee345276fdfdfc44cf5b71ab43d9bf