[INFO] cloning repository https://github.com/fx-kirin/chrono-timestamp-bench
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fx-kirin/chrono-timestamp-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx-kirin%2Fchrono-timestamp-bench"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx-kirin%2Fchrono-timestamp-bench'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d1f05bf774d48e7207391d4575f128d854a544c3
[INFO] checking fx-kirin/chrono-timestamp-bench against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx-kirin%2Fchrono-timestamp-bench" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fx-kirin/chrono-timestamp-bench on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fx-kirin/chrono-timestamp-bench
[INFO] finished tweaking git repo https://github.com/fx-kirin/chrono-timestamp-bench
[INFO] tweaked toml for git repo https://github.com/fx-kirin/chrono-timestamp-bench written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/fx-kirin/chrono-timestamp-bench already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 4a788e2df5af985865eed07771de6b7944f8d93976baf8eb4e3e0170400e4ec9
[INFO] running `"docker" "start" "-a" "4a788e2df5af985865eed07771de6b7944f8d93976baf8eb4e3e0170400e4ec9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking easybench v1.0.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking chrono-utb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bench_env`
[INFO] [stderr]  --> src/main.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use easybench::{bench,bench_env};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::TimeZone`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use chrono::TimeZone;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> src/main.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Deserialize`
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bench_env`
[INFO] [stderr]  --> src/main.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 | use easybench::{bench,bench_env};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::TimeZone`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use chrono::TimeZone;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> src/main.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::{Deserialize, Serialize};
[INFO] [stderr]   |                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.11s
[INFO] running `"docker" "inspect" "4a788e2df5af985865eed07771de6b7944f8d93976baf8eb4e3e0170400e4ec9"`
[INFO] running `"docker" "rm" "-f" "4a788e2df5af985865eed07771de6b7944f8d93976baf8eb4e3e0170400e4ec9"`
[INFO] [stdout] 4a788e2df5af985865eed07771de6b7944f8d93976baf8eb4e3e0170400e4ec9