[INFO] fetching crate rrule 0.2.8...
[INFO] checking rrule-0.2.8 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate rrule 0.2.8 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rrule 0.2.8 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rrule 0.2.8
[INFO] finished tweaking crates.io crate rrule 0.2.8
[INFO] tweaked toml for crates.io crate rrule 0.2.8 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", 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] 6a24cddc0783c1a230fda309954e4b4119c1249e5e78aa7aa662cabe5ba9698c
[INFO] running `Command { std: "docker" "start" "-a" "6a24cddc0783c1a230fda309954e4b4119c1249e5e78aa7aa662cabe5ba9698c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a24cddc0783c1a230fda309954e4b4119c1249e5e78aa7aa662cabe5ba9698c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a24cddc0783c1a230fda309954e4b4119c1249e5e78aa7aa662cabe5ba9698c", kill_on_drop: false }`
[INFO] [stdout] 6a24cddc0783c1a230fda309954e4b4119c1249e5e78aa7aa662cabe5ba9698c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d38b226df796db5e12273f1365ced3a3b2d5c6a4666aff7f87c8d0981fadf4
[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" "09d38b226df796db5e12273f1365ced3a3b2d5c6a4666aff7f87c8d0981fadf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rrule v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `UTC`
[INFO] [stdout]  --> src/rruleset.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono_tz::{Tz, UTC};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Tz`, `UTC`
[INFO] [stdout]    --> src/rrulestr.rs:475:21
[INFO] [stdout]     |
[INFO] [stdout] 475 |     use chrono_tz::{Tz, UTC};
[INFO] [stdout]     |                     ^^  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lastyear`
[INFO] [stdout]   --> src/iter/iterinfo.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn lastyear(&self) -> Option<isize> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lastmonth`
[INFO] [stdout]   --> src/iter/iterinfo.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn lastmonth(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lastyear`
[INFO] [stdout]   --> src/iter/iterinfo.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn lastyear(&self) -> Option<isize> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lastmonth`
[INFO] [stdout]   --> src/iter/iterinfo.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn lastmonth(&self) -> Option<usize> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.84s
[INFO] running `Command { std: "docker" "inspect" "09d38b226df796db5e12273f1365ced3a3b2d5c6a4666aff7f87c8d0981fadf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d38b226df796db5e12273f1365ced3a3b2d5c6a4666aff7f87c8d0981fadf4", kill_on_drop: false }`
[INFO] [stdout] 09d38b226df796db5e12273f1365ced3a3b2d5c6a4666aff7f87c8d0981fadf4