[INFO] cloning repository https://github.com/arve0/foreground-cron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arve0/foreground-cron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farve0%2Fforeground-cron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farve0%2Fforeground-cron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe94f951688ad79115486a5cdfb6ced69dd49b56
[INFO] checking arve0/foreground-cron against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farve0%2Fforeground-cron" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arve0/foreground-cron on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arve0/foreground-cron
[INFO] finished tweaking git repo https://github.com/arve0/foreground-cron
[INFO] tweaked toml for git repo https://github.com/arve0/foreground-cron written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/arve0/foreground-cron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded job_scheduler v1.0.6
[INFO] [stderr]   Downloaded cron v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc0a7ceac64db54744ce4ea234117dea9c2bdc672158ff029e455f1570b017b1
[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" "cc0a7ceac64db54744ce4ea234117dea9c2bdc672158ff029e455f1570b017b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc0a7ceac64db54744ce4ea234117dea9c2bdc672158ff029e455f1570b017b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0a7ceac64db54744ce4ea234117dea9c2bdc672158ff029e455f1570b017b1", kill_on_drop: false }`
[INFO] [stdout] cc0a7ceac64db54744ce4ea234117dea9c2bdc672158ff029e455f1570b017b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] a6ddf9a8de47b83812b6bc6a45f8158c9888b04cc1653e89a75f8fc2fa932891
[INFO] running `Command { std: "docker" "start" "-a" "a6ddf9a8de47b83812b6bc6a45f8158c9888b04cc1653e89a75f8fc2fa932891", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking cron v0.6.0
[INFO] [stderr]     Checking job_scheduler v1.0.6
[INFO] [stderr]     Checking foreground-cron v0.1.1 (/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/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     error_chain! {
[INFO] [stdout] 7  | |         foreign_links {
[INFO] [stdout] 8  | |             Io(::std::io::Error);
[INFO] [stdout] 9  | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         }
[INFO] [stdout] 16 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     error_chain! {
[INFO] [stdout] 7  | |         foreign_links {
[INFO] [stdout] 8  | |             Io(::std::io::Error);
[INFO] [stdout] 9  | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         }
[INFO] [stdout] 16 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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: unreachable expression
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     loop {
[INFO] [stdout] 56 | |         scheduler.tick();
[INFO] [stdout] 57 | |         std::thread::sleep(Duration::from_millis(500));
[INFO] [stdout] 58 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 59 | 
[INFO] [stdout] 60 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | /     loop {
[INFO] [stdout] 56 | |         scheduler.tick();
[INFO] [stdout] 57 | |         std::thread::sleep(Duration::from_millis(500));
[INFO] [stdout] 58 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 59 | 
[INFO] [stdout] 60 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     error_chain! {
[INFO] [stdout] 7  | |         foreign_links {
[INFO] [stdout] 8  | |             Io(::std::io::Error);
[INFO] [stdout] 9  | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         }
[INFO] [stdout] 16 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[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: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | /     error_chain! {
[INFO] [stdout] 7  | |         foreign_links {
[INFO] [stdout] 8  | |             Io(::std::io::Error);
[INFO] [stdout] 9  | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |         }
[INFO] [stdout] 16 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.48s
[INFO] running `Command { std: "docker" "inspect" "a6ddf9a8de47b83812b6bc6a45f8158c9888b04cc1653e89a75f8fc2fa932891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ddf9a8de47b83812b6bc6a45f8158c9888b04cc1653e89a75f8fc2fa932891", kill_on_drop: false }`
[INFO] [stdout] a6ddf9a8de47b83812b6bc6a45f8158c9888b04cc1653e89a75f8fc2fa932891