[INFO] fetching crate doitlater 0.1.1...
[INFO] checking doitlater-0.1.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate doitlater 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate doitlater 0.1.1 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 doitlater 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate doitlater 0.1.1
[INFO] tweaked toml for crates.io crate doitlater 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate doitlater 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2b9b338032ee0df661c596a5c7ef3096c2c3cfad040a621f2bcd9bf4131710ba
[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" "2b9b338032ee0df661c596a5c7ef3096c2c3cfad040a621f2bcd9bf4131710ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9b338032ee0df661c596a5c7ef3096c2c3cfad040a621f2bcd9bf4131710ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9b338032ee0df661c596a5c7ef3096c2c3cfad040a621f2bcd9bf4131710ba", kill_on_drop: false }`
[INFO] [stdout] 2b9b338032ee0df661c596a5c7ef3096c2c3cfad040a621f2bcd9bf4131710ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ed746cb7efa5e7e30777603e484397c8a61109071b9dbfd1a44d297522ac842
[INFO] running `Command { std: "docker" "start" "-a" "7ed746cb7efa5e7e30777603e484397c8a61109071b9dbfd1a44d297522ac842", kill_on_drop: false }`
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking saffron v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking redis v0.21.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking typetag v0.1.7
[INFO] [stderr]     Checking doitlater v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/basics.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     scheduler.register_job("SayHelloOften", "* * * * *", || Box::new(HelloTask::new("our repeating world")));
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.30s
[INFO] running `Command { std: "docker" "inspect" "7ed746cb7efa5e7e30777603e484397c8a61109071b9dbfd1a44d297522ac842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed746cb7efa5e7e30777603e484397c8a61109071b9dbfd1a44d297522ac842", kill_on_drop: false }`
[INFO] [stdout] 7ed746cb7efa5e7e30777603e484397c8a61109071b9dbfd1a44d297522ac842