[INFO] fetching crate healthy 0.0.0...
[INFO] testing healthy-0.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate healthy 0.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate healthy 0.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded app_dirs v1.2.1
[INFO] [stderr]   Downloaded email v0.0.21
[INFO] [stderr]   Downloaded shell32-sys v0.1.2
[INFO] [stderr]   Downloaded lettre v0.6.3
[INFO] [stderr]   Downloaded ole32-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3b18d2fa7cfa49f4584c76d60cdeda002d18c755bef4cbe99c4bd1825d33d78
[INFO] running `Command { std: "docker" "start" "-a" "b3b18d2fa7cfa49f4584c76d60cdeda002d18c755bef4cbe99c4bd1825d33d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3b18d2fa7cfa49f4584c76d60cdeda002d18c755bef4cbe99c4bd1825d33d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b18d2fa7cfa49f4584c76d60cdeda002d18c755bef4cbe99c4bd1825d33d78", kill_on_drop: false }`
[INFO] [stdout] b3b18d2fa7cfa49f4584c76d60cdeda002d18c755bef4cbe99c4bd1825d33d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e538f755df139966f19be82af087a94a4a7fa3a267a654df159d935aa990cf3
[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" "2e538f755df139966f19be82af087a94a4a7fa3a267a654df159d935aa990cf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling email v0.0.21
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling xdg v2.4.0
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[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 48.84s
[INFO] running `Command { std: "docker" "inspect" "2e538f755df139966f19be82af087a94a4a7fa3a267a654df159d935aa990cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e538f755df139966f19be82af087a94a4a7fa3a267a654df159d935aa990cf3", kill_on_drop: false }`
[INFO] [stdout] 2e538f755df139966f19be82af087a94a4a7fa3a267a654df159d935aa990cf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3563fab98aea2a6c0807bd02f8cca7bfe950f3a721214878f5b09ae0f670cbb
[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" "c3563fab98aea2a6c0807bd02f8cca7bfe950f3a721214878f5b09ae0f670cbb", 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 4.02s
[INFO] running `Command { std: "docker" "inspect" "c3563fab98aea2a6c0807bd02f8cca7bfe950f3a721214878f5b09ae0f670cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3563fab98aea2a6c0807bd02f8cca7bfe950f3a721214878f5b09ae0f670cbb", kill_on_drop: false }`
[INFO] [stdout] c3563fab98aea2a6c0807bd02f8cca7bfe950f3a721214878f5b09ae0f670cbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d7e25c421afe617fabcf0282a35b837ddea9a9ca385a20eb96df7fffb7d8cfb8
[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" "d7e25c421afe617fabcf0282a35b837ddea9a9ca385a20eb96df7fffb7d8cfb8", kill_on_drop: false }`
[INFO] [stdout] 
[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] [stdout] running 0 tests
[INFO] [stderr]  --> examples/read_env.rs:4:18
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 4 |     let u = env::home_dir().map(|dir| dir.join(std::path::PathBuf::from("foo"))).unwrap();
[INFO] [stdout] 
[INFO] [stderr]   |                  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[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: `healthy` (example "read_env") generated 1 warning
[INFO] [stderr] warning: `healthy` (example "read_file") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/healthy-fc02d803d990747f)
[INFO] running `Command { std: "docker" "inspect" "d7e25c421afe617fabcf0282a35b837ddea9a9ca385a20eb96df7fffb7d8cfb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e25c421afe617fabcf0282a35b837ddea9a9ca385a20eb96df7fffb7d8cfb8", kill_on_drop: false }`
[INFO] [stdout] d7e25c421afe617fabcf0282a35b837ddea9a9ca385a20eb96df7fffb7d8cfb8