[INFO] updating cached repository https://github.com/matthiasbeyer/libical
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12643f9d8be002c501f102859cc5d40c218c2eb3
[INFO] checking matthiasbeyer/libical against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiasbeyer%2Flibical" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthiasbeyer/libical on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/matthiasbeyer/libical
[INFO] finished tweaking git repo https://github.com/matthiasbeyer/libical
[INFO] tweaked toml for git repo https://github.com/matthiasbeyer/libical written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06edecfb2f212150846f92de86abd52fb6818c315eaa33b46a33afd832d168b8
[INFO] running `"docker" "start" "-a" "06edecfb2f212150846f92de86abd52fb6818c315eaa33b46a33afd832d168b8"`
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking ignore v0.4.11
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking globwalk v0.7.1
[INFO] [stderr]     Checking assert_fs v0.13.1
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling libical-sys v0.1.3
[INFO] [stderr]     Checking libical v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `date_from_str`
[INFO] [stderr]  --> src/utils/dateutil.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn date_from_str(date_str: &str) -> ParseResult<Date<Local>> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `datetime_from_str`
[INFO] [stderr]   --> src/utils/dateutil.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn datetime_from_str(datetime_str: &str) -> ParseResult<DateTime<Local>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `week_from_str_begin`
[INFO] [stderr]   --> src/utils/dateutil.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn week_from_str_begin(date_str: &str) -> Result<Date<Local>, String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `week_from_str_end`
[INFO] [stderr]   --> src/utils/dateutil.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn week_from_str_end(date_str: &str) -> Result<Date<Local>, String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lock_file_exclusive`
[INFO] [stderr]   --> src/utils/lock.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn lock_file_exclusive(path: &Path) -> io::Result<FileLock> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `joinlines`
[INFO] [stderr]  --> src/utils/misc.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn joinlines(first: &str, second: &str) -> String {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `format_duration`
[INFO] [stderr]   --> src/utils/misc.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn format_duration(duration: &time::Duration) -> impl Display {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `datetime_from_str`
[INFO] [stderr]   --> src/utils/dateutil.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn datetime_from_str(datetime_str: &str) -> ParseResult<DateTime<Local>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "06edecfb2f212150846f92de86abd52fb6818c315eaa33b46a33afd832d168b8"`
[INFO] running `"docker" "rm" "-f" "06edecfb2f212150846f92de86abd52fb6818c315eaa33b46a33afd832d168b8"`
[INFO] [stdout] 06edecfb2f212150846f92de86abd52fb6818c315eaa33b46a33afd832d168b8