[INFO] fetching crate healthy 0.0.0...
[INFO] testing healthy-0.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate healthy 0.0.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate healthy 0.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate healthy 0.0.0
[INFO] finished tweaking crates.io crate healthy 0.0.0
[INFO] tweaked toml for crates.io crate healthy 0.0.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0103b0077ccd0b106f1b5a9ec7425ce5a85fda104415a4a2f5c4f80a22f8798e
[INFO] running `Command { std: "docker" "start" "-a" "0103b0077ccd0b106f1b5a9ec7425ce5a85fda104415a4a2f5c4f80a22f8798e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0103b0077ccd0b106f1b5a9ec7425ce5a85fda104415a4a2f5c4f80a22f8798e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0103b0077ccd0b106f1b5a9ec7425ce5a85fda104415a4a2f5c4f80a22f8798e", kill_on_drop: false }`
[INFO] [stdout] 0103b0077ccd0b106f1b5a9ec7425ce5a85fda104415a4a2f5c4f80a22f8798e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7f2f1d325fc78f753c9575ae184f56b89a5b7fd4795ea52ac01861492600ead
[INFO] running `Command { std: "docker" "start" "-a" "a7f2f1d325fc78f753c9575ae184f56b89a5b7fd4795ea52ac01861492600ead", 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] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling email v0.0.21
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling xdg v2.4.1
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling lettre v0.6.3
[INFO] [stderr]    Compiling healthy v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.59s
[INFO] running `Command { std: "docker" "inspect" "a7f2f1d325fc78f753c9575ae184f56b89a5b7fd4795ea52ac01861492600ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f2f1d325fc78f753c9575ae184f56b89a5b7fd4795ea52ac01861492600ead", kill_on_drop: false }`
[INFO] [stdout] a7f2f1d325fc78f753c9575ae184f56b89a5b7fd4795ea52ac01861492600ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80aec87fde909f01065f2677ae7d26b5d0e032eb02a5547c39ceb3e4183681f7
[INFO] running `Command { std: "docker" "start" "-a" "80aec87fde909f01065f2677ae7d26b5d0e032eb02a5547c39ceb3e4183681f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling healthy v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> examples/read_env.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let u = env::home_dir().map(|dir| dir.join(std::path::PathBuf::from("foo"))).unwrap();
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/read_file.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     env_logger::init();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "80aec87fde909f01065f2677ae7d26b5d0e032eb02a5547c39ceb3e4183681f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80aec87fde909f01065f2677ae7d26b5d0e032eb02a5547c39ceb3e4183681f7", kill_on_drop: false }`
[INFO] [stdout] 80aec87fde909f01065f2677ae7d26b5d0e032eb02a5547c39ceb3e4183681f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4b57b06597bbe0bd415dbbafcc7ed1bfe14749cb0836b8fa20e94381d5ff376
[INFO] running `Command { std: "docker" "start" "-a" "f4b57b06597bbe0bd415dbbafcc7ed1bfe14749cb0836b8fa20e94381d5ff376", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/read_file.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     env_logger::init();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]  --> examples/read_env.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let u = env::home_dir().map(|dir| dir.join(std::path::PathBuf::from("foo"))).unwrap();
[INFO] [stderr]   |                  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `healthy` (example "read_file") generated 1 warning
[INFO] [stderr] warning: `healthy` (example "read_env") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/healthy-d191ef3dbc607eb2)
[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" "f4b57b06597bbe0bd415dbbafcc7ed1bfe14749cb0836b8fa20e94381d5ff376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b57b06597bbe0bd415dbbafcc7ed1bfe14749cb0836b8fa20e94381d5ff376", kill_on_drop: false }`
[INFO] [stdout] f4b57b06597bbe0bd415dbbafcc7ed1bfe14749cb0836b8fa20e94381d5ff376