[INFO] fetching crate tokio-cron-scheduler 0.2.1...
[INFO] checking tokio-cron-scheduler-0.2.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate tokio-cron-scheduler 0.2.1 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate tokio-cron-scheduler 0.2.1 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-cron-scheduler 0.2.1
[INFO] finished tweaking crates.io crate tokio-cron-scheduler 0.2.1
[INFO] tweaked toml for crates.io crate tokio-cron-scheduler 0.2.1 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate tokio-cron-scheduler 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cron v0.8.0
[INFO] [stderr]   Downloaded nom v4.1.1
[INFO] [stderr]   Downloaded syn v1.0.62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fed7fe2c7b39cc87450d600e7600b3036c7a25f5bb53a302eb350d47cadb75a3
[INFO] running `Command { std: "docker" "start" "-a" "fed7fe2c7b39cc87450d600e7600b3036c7a25f5bb53a302eb350d47cadb75a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fed7fe2c7b39cc87450d600e7600b3036c7a25f5bb53a302eb350d47cadb75a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed7fe2c7b39cc87450d600e7600b3036c7a25f5bb53a302eb350d47cadb75a3", kill_on_drop: false }`
[INFO] [stdout] fed7fe2c7b39cc87450d600e7600b3036c7a25f5bb53a302eb350d47cadb75a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35ad4bd06ff0e75525fc6ebaacbb050aa37c33031cb7773334fda6912c39a562
[INFO] running `Command { std: "docker" "start" "-a" "35ad4bd06ff0e75525fc6ebaacbb050aa37c33031cb7773334fda6912c39a562", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking cron v0.8.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking tokio-cron-scheduler v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/simple_job.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     sched.add(five_s_job);
[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: unused `Result` that must be used
[INFO] [stdout]   --> examples/simple_job.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     sched.add(
[INFO] [stdout] 16 | |         Job::new("1/30 * * * * *", |_uuid, _l| {
[INFO] [stdout] 17 | |             println!("{:?} I run every 30 seconds", chrono::Utc::now());
[INFO] [stdout] 18 | |         })
[INFO] [stdout] 19 | |         .unwrap(),
[INFO] [stdout] 20 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/simple_job.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     sched.add(
[INFO] [stdout] 23 | |         Job::new_one_shot(Duration::from_secs(18), |_uuid, _l| {
[INFO] [stdout] 24 | |             println!("{:?} I'm only run once", chrono::Utc::now());
[INFO] [stdout] 25 | |         }).unwrap()
[INFO] [stdout] 26 | |     );
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/simple_job.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     sched.add(jj);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/simple_job.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     sched.remove(&five_s_job_guid);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/simple_job.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     sched.remove(&jj_guid);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.61s
[INFO] running `Command { std: "docker" "inspect" "35ad4bd06ff0e75525fc6ebaacbb050aa37c33031cb7773334fda6912c39a562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ad4bd06ff0e75525fc6ebaacbb050aa37c33031cb7773334fda6912c39a562", kill_on_drop: false }`
[INFO] [stdout] 35ad4bd06ff0e75525fc6ebaacbb050aa37c33031cb7773334fda6912c39a562