[INFO] cloning repository https://github.com/mklein994/datediff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mklein994/datediff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmklein994%2Fdatediff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmklein994%2Fdatediff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc6a6bc17ea1ed1fc50b9dd76ab5aac3d1582e5b
[INFO] checking mklein994/datediff against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmklein994%2Fdatediff" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mklein994/datediff on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mklein994/datediff
[INFO] finished tweaking git repo https://github.com/mklein994/datediff
[INFO] tweaked toml for git repo https://github.com/mklein994/datediff written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mklein994/datediff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8320324d57c51aeabe4dda5810ea8d5bce6bc5a0c7ed0234f872043a7f62f8d6
[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" "8320324d57c51aeabe4dda5810ea8d5bce6bc5a0c7ed0234f872043a7f62f8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8320324d57c51aeabe4dda5810ea8d5bce6bc5a0c7ed0234f872043a7f62f8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8320324d57c51aeabe4dda5810ea8d5bce6bc5a0c7ed0234f872043a7f62f8d6", kill_on_drop: false }`
[INFO] [stdout] 8320324d57c51aeabe4dda5810ea8d5bce6bc5a0c7ed0234f872043a7f62f8d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 9154bed4e3f3289c286a422239ec3fd972f3bd82112e425cd3a84a02baf6c4ca
[INFO] running `Command { std: "docker" "start" "-a" "9154bed4e3f3289c286a422239ec3fd972f3bd82112e425cd3a84a02baf6c4ca", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking clap v2.29.4
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking chrono-humanize v0.0.11
[INFO] [stderr]     Checking datediff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:24:43
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Error::Chrono(ref err) => err.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Error::ParseInt(ref err) => err.description(),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:24:43
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Error::Chrono(ref err) => err.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |             Error::ParseInt(ref err) => err.description(),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.13s
[INFO] running `Command { std: "docker" "inspect" "9154bed4e3f3289c286a422239ec3fd972f3bd82112e425cd3a84a02baf6c4ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9154bed4e3f3289c286a422239ec3fd972f3bd82112e425cd3a84a02baf6c4ca", kill_on_drop: false }`
[INFO] [stdout] 9154bed4e3f3289c286a422239ec3fd972f3bd82112e425cd3a84a02baf6c4ca