[INFO] cloning repository https://github.com/wyhhh/leetcode-mt-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wyhhh/leetcode-mt-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhhh%2Fleetcode-mt-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhhh%2Fleetcode-mt-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cdd7a1019a11f1c4446ac8e8ccc13f2625bdd7a
[INFO] building wyhhh/leetcode-mt-rs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhhh%2Fleetcode-mt-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wyhhh/leetcode-mt-rs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wyhhh/leetcode-mt-rs
[INFO] finished tweaking git repo https://github.com/wyhhh/leetcode-mt-rs
[INFO] tweaked toml for git repo https://github.com/wyhhh/leetcode-mt-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wyhhh/leetcode-mt-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/wyhhh/conc.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 669156a3bcc58ef02c391bf565d5338917d772b4ad0f6e21f169e8869a7ff668
[INFO] running `Command { std: "docker" "start" "-a" "669156a3bcc58ef02c391bf565d5338917d772b4ad0f6e21f169e8869a7ff668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "669156a3bcc58ef02c391bf565d5338917d772b4ad0f6e21f169e8869a7ff668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669156a3bcc58ef02c391bf565d5338917d772b4ad0f6e21f169e8869a7ff668", kill_on_drop: false }`
[INFO] [stdout] 669156a3bcc58ef02c391bf565d5338917d772b4ad0f6e21f169e8869a7ff668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e0570f7a5f3562e92ad6ec9464d4aeceeadf619a98ea46be4149b47413e3b96
[INFO] running `Command { std: "docker" "start" "-a" "2e0570f7a5f3562e92ad6ec9464d4aeceeadf619a98ea46be4149b47413e3b96", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling std-semaphore v0.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling conc v0.1.0 (https://github.com/wyhhh/conc.git#70fa66c9)
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling leetcode-mt-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/bin/1226_the_dining_philosophers.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deadlock_error_demonstration_with_mutex` is never used
[INFO] [stdout]   --> src/bin/1226_the_dining_philosophers.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn deadlock_error_demonstration_with_mutex() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_mutexes_and_sema` is never used
[INFO] [stdout]   --> src/bin/1226_the_dining_philosophers.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn solution_with_mutexes_and_sema() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `soluation_with_first_do_once` is never used
[INFO] [stdout]    --> src/bin/1226_the_dining_philosophers.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn soluation_with_first_do_once() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_monitor` is never used
[INFO] [stdout]   --> src/bin/1114_print_in_order.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn solution_with_monitor() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_semaphore` is never used
[INFO] [stdout]   --> src/bin/1114_print_in_order.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn solution_with_semaphore() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_mutex` is never used
[INFO] [stdout]    --> src/bin/1114_print_in_order.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn solution_with_mutex() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_sleep` is never used
[INFO] [stdout]    --> src/bin/1114_print_in_order.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn solution_with_sleep() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_barrier` is never used
[INFO] [stdout]   --> src/bin/1115_print_foobar_alternately.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn solution_with_barrier() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "2e0570f7a5f3562e92ad6ec9464d4aeceeadf619a98ea46be4149b47413e3b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e0570f7a5f3562e92ad6ec9464d4aeceeadf619a98ea46be4149b47413e3b96", kill_on_drop: false }`
[INFO] [stdout] 2e0570f7a5f3562e92ad6ec9464d4aeceeadf619a98ea46be4149b47413e3b96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24b0078775aa780f72ab57be0e0fbf2286563dd2767903b659761f2a5d6231bf
[INFO] running `Command { std: "docker" "start" "-a" "24b0078775aa780f72ab57be0e0fbf2286563dd2767903b659761f2a5d6231bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode-mt-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/bin/1226_the_dining_philosophers.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_barrier` is never used
[INFO] [stdout]   --> src/bin/1115_print_foobar_alternately.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn solution_with_barrier() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deadlock_error_demonstration_with_mutex` is never used
[INFO] [stdout]   --> src/bin/1226_the_dining_philosophers.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn deadlock_error_demonstration_with_mutex() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_mutexes_and_sema` is never used
[INFO] [stdout]   --> src/bin/1226_the_dining_philosophers.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn solution_with_mutexes_and_sema() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `soluation_with_first_do_once` is never used
[INFO] [stdout]    --> src/bin/1226_the_dining_philosophers.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn soluation_with_first_do_once() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_monitor` is never used
[INFO] [stdout]   --> src/bin/1114_print_in_order.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn solution_with_monitor() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_semaphore` is never used
[INFO] [stdout]   --> src/bin/1114_print_in_order.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn solution_with_semaphore() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_mutex` is never used
[INFO] [stdout]    --> src/bin/1114_print_in_order.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn solution_with_mutex() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution_with_sleep` is never used
[INFO] [stdout]    --> src/bin/1114_print_in_order.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn solution_with_sleep() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "24b0078775aa780f72ab57be0e0fbf2286563dd2767903b659761f2a5d6231bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b0078775aa780f72ab57be0e0fbf2286563dd2767903b659761f2a5d6231bf", kill_on_drop: false }`
[INFO] [stdout] 24b0078775aa780f72ab57be0e0fbf2286563dd2767903b659761f2a5d6231bf