[INFO] fetching crate mailto 0.1.0...
[INFO] testing mailto-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mailto 0.1.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate mailto 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mailto 0.1.0
[INFO] finished tweaking crates.io crate mailto 0.1.0
[INFO] tweaked toml for crates.io crate mailto 0.1.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate mailto 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b466a0b435da1b5945af3839980509f9cbcadde2fbc83cbd0676ad7987e6db27
[INFO] running `Command { std: "docker" "start" "-a" "b466a0b435da1b5945af3839980509f9cbcadde2fbc83cbd0676ad7987e6db27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b466a0b435da1b5945af3839980509f9cbcadde2fbc83cbd0676ad7987e6db27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b466a0b435da1b5945af3839980509f9cbcadde2fbc83cbd0676ad7987e6db27", kill_on_drop: false }`
[INFO] [stdout] b466a0b435da1b5945af3839980509f9cbcadde2fbc83cbd0676ad7987e6db27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb4524f51f945eba8e3b6e9d83ffe4280396852111936ea9b1a464af4ead86c8
[INFO] running `Command { std: "docker" "start" "-a" "eb4524f51f945eba8e3b6e9d83ffe4280396852111936ea9b1a464af4ead86c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling quoted_printable v0.4.5
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling lettre v0.10.0-rc.4
[INFO] [stderr]    Compiling mailto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.94s
[INFO] running `Command { std: "docker" "inspect" "eb4524f51f945eba8e3b6e9d83ffe4280396852111936ea9b1a464af4ead86c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4524f51f945eba8e3b6e9d83ffe4280396852111936ea9b1a464af4ead86c8", kill_on_drop: false }`
[INFO] [stdout] eb4524f51f945eba8e3b6e9d83ffe4280396852111936ea9b1a464af4ead86c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcff5c2b4d32db7772f5a24fb39cbaf12a6d06f0034acbf6431239e4386e1ae6
[INFO] running `Command { std: "docker" "start" "-a" "fcff5c2b4d32db7772f5a24fb39cbaf12a6d06f0034acbf6431239e4386e1ae6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mailto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "fcff5c2b4d32db7772f5a24fb39cbaf12a6d06f0034acbf6431239e4386e1ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcff5c2b4d32db7772f5a24fb39cbaf12a6d06f0034acbf6431239e4386e1ae6", kill_on_drop: false }`
[INFO] [stdout] fcff5c2b4d32db7772f5a24fb39cbaf12a6d06f0034acbf6431239e4386e1ae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a16b3315efca7fab17269dde5e98bff907c120427c689d461a62e2cb14d3416
[INFO] running `Command { std: "docker" "start" "-a" "1a16b3315efca7fab17269dde5e98bff907c120427c689d461a62e2cb14d3416", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mailto-3acf44ef04e12f66)
[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" "1a16b3315efca7fab17269dde5e98bff907c120427c689d461a62e2cb14d3416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a16b3315efca7fab17269dde5e98bff907c120427c689d461a62e2cb14d3416", kill_on_drop: false }`
[INFO] [stdout] 1a16b3315efca7fab17269dde5e98bff907c120427c689d461a62e2cb14d3416