[INFO] cloning repository https://github.com/jlferrin/rst_filestat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jlferrin/rst_filestat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlferrin%2Frst_filestat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlferrin%2Frst_filestat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e92c08b9e45c0414ee4cbf56d9e5bc30b538b00b
[INFO] testing jlferrin/rst_filestat against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlferrin%2Frst_filestat" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlferrin/rst_filestat on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jlferrin/rst_filestat
[INFO] finished tweaking git repo https://github.com/jlferrin/rst_filestat
[INFO] tweaked toml for git repo https://github.com/jlferrin/rst_filestat written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/jlferrin/rst_filestat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.1.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f1127be25873eeb9dd0f994c90a2c4798257048608265950939cb97b31f27a7
[INFO] running `Command { std: "docker" "start" "-a" "1f1127be25873eeb9dd0f994c90a2c4798257048608265950939cb97b31f27a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f1127be25873eeb9dd0f994c90a2c4798257048608265950939cb97b31f27a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f1127be25873eeb9dd0f994c90a2c4798257048608265950939cb97b31f27a7", kill_on_drop: false }`
[INFO] [stdout] 1f1127be25873eeb9dd0f994c90a2c4798257048608265950939cb97b31f27a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ce6a9292864660a8d5b2fbbec6071d6cd061ad24da6a053c08da9768325d51a
[INFO] running `Command { std: "docker" "start" "-a" "7ce6a9292864660a8d5b2fbbec6071d6cd061ad24da6a053c08da9768325d51a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling rst_filestat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     { datetime.format("%d/%m/%Y %H:%M:%S").to_string() }
[INFO] [stdout]    |     ^^                                                ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     { datetime.format("%d/%m/%Y %H:%M:%S").to_string() }
[INFO] [stdout] 13 +     datetime.format("%d/%m/%Y %H:%M:%S").to_string()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.66s
[INFO] running `Command { std: "docker" "inspect" "7ce6a9292864660a8d5b2fbbec6071d6cd061ad24da6a053c08da9768325d51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce6a9292864660a8d5b2fbbec6071d6cd061ad24da6a053c08da9768325d51a", kill_on_drop: false }`
[INFO] [stdout] 7ce6a9292864660a8d5b2fbbec6071d6cd061ad24da6a053c08da9768325d51a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d34138f63b90573caeae4460b626140adb7b9a14d071577227671b3cf932636b
[INFO] running `Command { std: "docker" "start" "-a" "d34138f63b90573caeae4460b626140adb7b9a14d071577227671b3cf932636b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rst_filestat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     { datetime.format("%d/%m/%Y %H:%M:%S").to_string() }
[INFO] [stdout]    |     ^^                                                ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     { datetime.format("%d/%m/%Y %H:%M:%S").to_string() }
[INFO] [stdout] 13 +     datetime.format("%d/%m/%Y %H:%M:%S").to_string()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     { datetime.format("%d/%m/%Y %H:%M:%S").to_string() }
[INFO] [stdout]    |     ^^                                                ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 13 -     { datetime.format("%d/%m/%Y %H:%M:%S").to_string() }
[INFO] [stdout] 13 +     datetime.format("%d/%m/%Y %H:%M:%S").to_string()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "d34138f63b90573caeae4460b626140adb7b9a14d071577227671b3cf932636b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34138f63b90573caeae4460b626140adb7b9a14d071577227671b3cf932636b", kill_on_drop: false }`
[INFO] [stdout] d34138f63b90573caeae4460b626140adb7b9a14d071577227671b3cf932636b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 121f779e63b708e164201fb79df6e04d778b8937763543f6821f0beb19eaa7cb
[INFO] running `Command { std: "docker" "start" "-a" "121f779e63b708e164201fb79df6e04d778b8937763543f6821f0beb19eaa7cb", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     { datetime.format("%d/%m/%Y %H:%M:%S").to_string() }
[INFO] [stderr]    |     ^^                                                ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 13 -     { datetime.format("%d/%m/%Y %H:%M:%S").to_string() }
[INFO] [stderr] 13 +     datetime.format("%d/%m/%Y %H:%M:%S").to_string()
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rst_filestat` (lib) generated 1 warning
[INFO] [stderr] warning: `rst_filestat` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rst_filestat-20b0350fe67635bb)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rst_filestat-d761d2caf2eda713)
[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] [stderr]    Doc-tests rst_filestat
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:13:5
[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] 13 |     { datetime.format("%d/%m/%Y %H:%M:%S").to_string() }
[INFO] [stdout] 
[INFO] [stderr]    |     ^^                                                ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 13 -     { datetime.format("%d/%m/%Y %H:%M:%S").to_string() }
[INFO] [stderr] 13 +     datetime.format("%d/%m/%Y %H:%M:%S").to_string()
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "121f779e63b708e164201fb79df6e04d778b8937763543f6821f0beb19eaa7cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121f779e63b708e164201fb79df6e04d778b8937763543f6821f0beb19eaa7cb", kill_on_drop: false }`
[INFO] [stdout] 121f779e63b708e164201fb79df6e04d778b8937763543f6821f0beb19eaa7cb