[INFO] updating cached repository https://github.com/harishym/excercise1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b31df793466d5de10ae804ba57f96eb744d1ac30
[INFO] testing harishym/excercise1 against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharishym%2Fexcercise1" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harishym/excercise1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/harishym/excercise1
[INFO] finished tweaking git repo https://github.com/harishym/excercise1
[INFO] tweaked toml for git repo https://github.com/harishym/excercise1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/harishym/excercise1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] c35af8c430c4454578a5ba47260eda7c65992cd68f1619fd1c31ee8cda1a783a
[INFO] running `Command { std: "docker" "start" "-a" "c35af8c430c4454578a5ba47260eda7c65992cd68f1619fd1c31ee8cda1a783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c35af8c430c4454578a5ba47260eda7c65992cd68f1619fd1c31ee8cda1a783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35af8c430c4454578a5ba47260eda7c65992cd68f1619fd1c31ee8cda1a783a", kill_on_drop: false }`
[INFO] [stdout] c35af8c430c4454578a5ba47260eda7c65992cd68f1619fd1c31ee8cda1a783a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6d74997756cb345c4ad8a339782d8b2170249c0e7e3910d3cf8cc13156c902d
[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" "b6d74997756cb345c4ad8a339782d8b2170249c0e7e3910d3cf8cc13156c902d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling try v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | let Y = now.format("%Y").to_string();
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | let D = now.format("%d").to_string();
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | let M = now.format("%m").to_string();
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Fin` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | Fin: String,
[INFO] [stdout]    | ^^^ help: convert the identifier to snake case (notice the capitalization): `fin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Lan` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | Lan: String,
[INFO] [stdout]    | ^^^ help: convert the identifier to snake case: `lan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:83:3
[INFO] [stdout]    |
[INFO] [stdout] 83 |   writeln!(f1, "{}, {}, {}", person.Fin, person.Lan, age);
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.79s
[INFO] running `Command { std: "docker" "inspect" "b6d74997756cb345c4ad8a339782d8b2170249c0e7e3910d3cf8cc13156c902d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d74997756cb345c4ad8a339782d8b2170249c0e7e3910d3cf8cc13156c902d", kill_on_drop: false }`
[INFO] [stdout] b6d74997756cb345c4ad8a339782d8b2170249c0e7e3910d3cf8cc13156c902d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8da5958107c27bd3c79c8ce79898ab27d7551bf9140622e4a74cfe092387e9d
[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" "d8da5958107c27bd3c79c8ce79898ab27d7551bf9140622e4a74cfe092387e9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling try v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | let Y = now.format("%Y").to_string();
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | let D = now.format("%d").to_string();
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | let M = now.format("%m").to_string();
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Fin` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | Fin: String,
[INFO] [stdout]    | ^^^ help: convert the identifier to snake case (notice the capitalization): `fin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Lan` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | Lan: String,
[INFO] [stdout]    | ^^^ help: convert the identifier to snake case: `lan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:83:3
[INFO] [stdout]    |
[INFO] [stdout] 83 |   writeln!(f1, "{}, {}, {}", person.Fin, person.Lan, age);
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | let Y = now.format("%Y").to_string();
[INFO] [stdout]    |     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `D` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | let D = now.format("%d").to_string();
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `M` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | let M = now.format("%m").to_string();
[INFO] [stdout]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Fin` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | Fin: String,
[INFO] [stdout]    | ^^^ help: convert the identifier to snake case (notice the capitalization): `fin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `Lan` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | Lan: String,
[INFO] [stdout]    | ^^^ help: convert the identifier to snake case: `lan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:83:3
[INFO] [stdout]    |
[INFO] [stdout] 83 |   writeln!(f1, "{}, {}, {}", person.Fin, person.Lan, age);
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "d8da5958107c27bd3c79c8ce79898ab27d7551bf9140622e4a74cfe092387e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8da5958107c27bd3c79c8ce79898ab27d7551bf9140622e4a74cfe092387e9d", kill_on_drop: false }`
[INFO] [stdout] d8da5958107c27bd3c79c8ce79898ab27d7551bf9140622e4a74cfe092387e9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 361abdeadc8a315b350e67ccf3c69aebb2af5ee2e3d77771e5fa988642a49c6e
[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" "361abdeadc8a315b350e67ccf3c69aebb2af5ee2e3d77771e5fa988642a49c6e", kill_on_drop: false }`
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | let Y = now.format("%Y").to_string();
[INFO] [stderr]    |     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | let D = now.format("%d").to_string();
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | let Y = now.format("%Y").to_string();
[INFO] [stderr]    |     ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `D` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | let D = now.format("%d").to_string();
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `M` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | let M = now.format("%m").to_string();
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `M` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | let M = now.format("%m").to_string();
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `m`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Fin` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | Fin: String,
[INFO] [stderr]    | ^^^ help: convert the identifier to snake case (notice the capitalization): `fin`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Fin` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | Fin: String,
[INFO] [stderr]    | ^^^ help: convert the identifier to snake case (notice the capitalization): `fin`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Lan` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | Lan: String,
[INFO] [stderr]    | ^^^ help: convert the identifier to snake case: `lan`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Lan` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | Lan: String,
[INFO] [stderr]    | ^^^ help: convert the identifier to snake case: `lan`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |   writeln!(f1, "{}, {}, {}", person.Fin, person.Lan, age);
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:83:3
[INFO] [stderr]    |
[INFO] [stderr] 83 |   writeln!(f1, "{}, {}, {}", person.Fin, person.Lan, age);
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-236f0c454cf0b340
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/try-ed2df854cd206cd1
[INFO] [stderr]    Doc-tests lib
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "361abdeadc8a315b350e67ccf3c69aebb2af5ee2e3d77771e5fa988642a49c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361abdeadc8a315b350e67ccf3c69aebb2af5ee2e3d77771e5fa988642a49c6e", kill_on_drop: false }`
[INFO] [stdout] 361abdeadc8a315b350e67ccf3c69aebb2af5ee2e3d77771e5fa988642a49c6e